WO2024085349A1 - 청소기 - Google Patents
청소기 Download PDFInfo
- Publication number
- WO2024085349A1 WO2024085349A1 PCT/KR2023/009405 KR2023009405W WO2024085349A1 WO 2024085349 A1 WO2024085349 A1 WO 2024085349A1 KR 2023009405 W KR2023009405 W KR 2023009405W WO 2024085349 A1 WO2024085349 A1 WO 2024085349A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diffuser
- impeller
- main body
- filter
- radiating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/12—Dry filters
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/12—Dry filters
- A47L9/127—Dry filters tube- or sleeve-shaped
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
Definitions
- the present disclosure relates to a vacuum cleaner having a diffuser.
- a vacuum cleaner is a device that removes indoor dirt and cleans it, and vacuum cleaners are commonly used in homes.
- a vacuum cleaner cleans the room by sucking in air using the suction power of a fan motor device and then separating the dirt in the sucked air with a device such as a filter.
- robot vacuum cleaners are used to perform cleaning work by automatically traveling through the cleaning area without user intervention and sucking in dust and other impurities from the surface being cleaned. is becoming popular.
- the vacuum cleaner may include a fan motor device to generate suction force.
- the fan motor device may be configured to suck external air and dirt into the interior of the cleaner and then discharge the air with filtered dirt to the outside of the cleaner.
- the fan motor device may include an impeller and a diffuser to diffuse air discharged from the impeller.
- the diffuser can increase the efficiency of the fan motor device by diffusing the air discharged from the impeller. As the diffuser extends in the direction of the impeller's rotation axis, the length and/or weight of the cleaner may increase.
- One aspect of the present disclosure provides a vacuum cleaner capable of reducing length.
- One aspect of the present disclosure provides a vacuum cleaner capable of reducing weight.
- One aspect of the present disclosure provides a vacuum cleaner capable of improving efficiency.
- One aspect of the present disclosure provides a vacuum cleaner in which the heat dissipation efficiency of the motor can be increased.
- a vacuum cleaner includes a main body having a main body exhaust port, a filter installable inside the main body, and a fan motor device.
- the fan motor device includes an impeller configured to rotate to generate suction force inside the main body, a motor configured to provide power to rotate the impeller, and a diffuser device.
- the diffuser device includes a radiating diffuser extending in a radial direction from the rotation axis of the impeller and an axial diffuser extending from the radiating diffuser.
- the impeller rotates by power provided by the motor, so that air passes through the fan motor device and is discharged from the impeller, and the radiating diffuser is guided in a radial direction from the rotation axis of the impeller, is guided to be filtered by the axial diffuser to the filter, and is configured to be discharged through the main body exhaust port.
- the radiating diffuser may include radiating blades for diffusing air guided by the radiating diffuser.
- the axial diffuser may include an axial blade for diffusing air guided by the axial diffuser.
- the axial diffuser may include a first axial diffuser extending from the radiating diffuser and a second axial diffuser extending from the first axial diffuser.
- the first axis diffuser may include a first axis blade for diffusing the air guided by the first axis diffuser
- the second axis diffuser may include a first axis blade for diffusing the air guided by the second axis diffuser. It may include a second axis blade.
- the radiating diffuser may include a first radiating diffuser extending in a direction in which the impeller discharges air.
- the radiating diffuser may include a second radiating diffuser extending from the first radiating diffuser in a direction perpendicular to the rotation axis of the impeller.
- the axial diffuser may be configured to discharge air guided by the axial diffuser in a direction toward the filter when the filter is installed inside the main body.
- the motor may be placed on one side of the impeller opposite to the diffuser device and sucking in air.
- the filter may be formed to surround the fan motor device in a circumferential direction about the rotation axis of the impeller when the filter is installed inside the main body.
- the diffuser device may be configured to discharge air toward one side where the impeller sucks air.
- the diffuser device is an outlet for discharging air guided by the axial diffuser, and may include an outlet located adjacent to the first side of the filter when the filter is installed inside the main body.
- the exhaust port may be located adjacent to a second side opposite to the first side of the filter when the filter is installed inside the main body.
- the diffuser device may include an outlet for discharging air guided by the axial diffuser.
- the filter may extend from the outlet of the diffuser device to the main body exhaust port in a state in which the filter is installed inside the main body.
- the filter may be provided as a HEPA filter (high efficiency particulate air filter).
- the filter may be provided to be detachable from the main body.
- a vacuum cleaner includes a main body, a fan motor device configured to generate suction force inside the main body, and a filter disposed inside the main body to filter air passing through the fan motor device. do.
- the fan motor device includes an impeller for generating suction force, a motor disposed on one side of the impeller to suck air, and a motor for providing power to the impeller, and a motor for moving air discharged from the impeller in a radial direction from the rotation axis of the impeller. It includes a diffuser device including a radiating diffuser extending to guide the radiating diffuser and an axial diffuser extending to discharge air passing through the radiating diffuser toward one side where the impeller intakes air.
- the radiating diffuser may include a radiating blade for diffusing air passing through the radiating diffuser
- the axial diffuser may include an axial blade for diffusing air passing through the axial diffuser
- the axial diffuser extends from the radiating diffuser, a first axial diffuser having first axial blades for diffusing air passing through the first axial diffuser, and extending from the first axial diffuser, the second axial diffuser. It may include a second axis diffuser having second axis blades for diffusing the air passing through.
- the radiating diffuser may include a first radiating diffuser extending in a direction in which the impeller discharges air, and a second radiating diffuser extending from the first radiating diffuser in a direction perpendicular to the rotation axis of the impeller.
- the filter may be formed to surround the fan motor device in a circumferential direction about the rotation axis of the impeller.
- the diffuser of the vacuum cleaner has a portion extending radially from the rotation axis of the impeller, so the length along the direction of the rotation axis of the impeller can be reduced.
- the weight of the vacuum cleaner can be reduced as the length along the rotation axis direction of the impeller is reduced.
- the efficiency of the vacuum cleaner can be improved because the diffuser has a portion extending radially from the rotation axis of the impeller.
- a motor, an impeller, and a diffuser are sequentially arranged in the direction in which the air that has passed through the dust collection device is discharged to the outside of the cleaner, so that relatively low-temperature air can pass through the motor. , the heat dissipation efficiency of the motor can be increased.
- FIG. 1 shows a vacuum cleaner according to one embodiment.
- FIG. 2 shows an exploded view of some components of the vacuum cleaner shown in FIG. 1.
- FIG. 3 shows some configurations of the vacuum cleaner shown in FIG. 2 from a different direction than that in FIG. 2 .
- Figure 4 shows a cross section along line A-A' indicated in Figure 1.
- Figure 5 shows an exploded view of a portion of the main body shown in Figure 4.
- Figure 6 shows the impeller cover and diffuser device shown in Figure 5 combined according to an embodiment of the present disclosure.
- Figure 7 shows an enlarged view of part B shown in Figure 4.
- Figure 8 shows an impeller cover and a diffuser device combined according to one embodiment.
- Figure 9 shows a vacuum cleaner to which the diffuser device shown in Figure 8 is applied according to an embodiment of the present disclosure.
- Figure 10 shows an impeller cover and a diffuser device combined according to an embodiment.
- FIG. 11 shows a vacuum cleaner to which the diffuser device shown in FIG. 10 is applied according to an embodiment of the present disclosure.
- Figure 12 shows an impeller cover and a diffuser device combined according to an embodiment.
- Figure 13 shows a vacuum cleaner to which the diffuser device shown in Figure 12 is applied according to an embodiment of the present disclosure.
- Figure 14 shows a vacuum cleaner equipped with a diffuser device according to an embodiment.
- Figure 15 shows an impeller cover and a diffuser device combined according to an embodiment.
- Figure 16 shows a vacuum cleaner to which the diffuser device shown in Figure 15 is applied according to an embodiment of the present disclosure.
- Figure 17 shows a vacuum cleaner equipped with a diffuser device according to an embodiment.
- a or B “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed together in the corresponding phrase, or any possible combination thereof.
- One (e.g. first) component is said to be “coupled” or “connected” to another (e.g. second) component, with or without the terms “functionally” or “communicatively”.
- any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.
- a stick-type cleaner which is a type of vacuum cleaner
- the configuration of the present disclosure is not limited to a stick-type cleaner.
- the configuration of the present disclosure can also be applied to a canister-type vacuum cleaner or a robot vacuum cleaner.
- FIG. 1 shows a vacuum cleaner according to one embodiment.
- FIG. 2 shows an exploded view of some components of the vacuum cleaner shown in FIG. 1.
- FIG. 3 shows some configurations of the vacuum cleaner shown in FIG. 2 from a different direction than that in FIG. 2 .
- Figure 4 shows a cross section along line A-A' indicated in Figure 1.
- the cleaner 1 has a suction head 20 that is provided to suck in foreign substances such as dust from the surface being cleaned by the suction force of air, and is provided to collect foreign substances sucked through the suction head 20. It may include a main body 10.
- the cleaner 1 may include a connection pipe 30 provided to connect the suction head 20 and the main body 10.
- the suction head 20 includes a suction brush (not shown), and is in close contact with the surface to be cleaned, so that it can suction air and foreign substances from the surface to be cleaned.
- the suction head 20 may be rotatably coupled to the connector 30.
- connection pipe 30 may be formed of a pipe or flexible hose with a certain rigidity.
- the connector 30 can transmit the suction force generated through the motor 111 to the suction head 20 and guide foreign substances such as air and dust sucked through the suction head 20 to the main body 10.
- the connector 30 may further include a suction head connector 31.
- the suction head connector 31 may be provided to separate the suction head 20 from the main body 10 or to couple it to the main body 10.
- the main body 10 includes a fan motor device 100 configured to generate suction force on the surface to be cleaned, a dust collector 60 configured to separate and collect dust from the sucked air, and a handle provided so that the user can hold it. It may include (40) and a battery (50) provided to supply power necessary for driving the parts of the vacuum cleaner (1), such as the motor (111).
- the main body 10 may include a main body intake port 11a through which air and foreign substances are sucked into the main body 10, and a main body exhaust port 12a through which air and foreign substances are discharged to the outside of the main body 10.
- the main body 10 may include a main body suction duct 11 that communicates with one end of the connector 30, and one end of both ends of the main body suction duct 11 is connected to one end of the connector 30.
- a main body intake port 11a may be formed. Air and foreign matter sucked in by the suction head 20 may pass through the connection pipe 30 and flow into the interior of the main body 10 through the main body intake port 11a of the main body suction duct 11.
- the embodiments of the present disclosure are not limited to this, and for example, the main body 10 does not include a duct structure such as the main body suction duct 11, and the main body intake port 11a and the connection pipe 30 may be directly connected. there is.
- the main body 10 may include an exhaust case 12, and a main body exhaust port 12a may be formed on the outer peripheral surface of the exhaust case 12 to discharge air to the outside of the main body 10.
- the main body 10 may include a filter 15 to filter foreign substances in the air before the air inside the main body 10 is discharged to the outside of the main body 10 through the main body exhaust port 12a.
- the filter 15 may be a HEPA filter (high efficiency particulate air filter), but embodiments of the present disclosure are not limited thereto.
- the main body 10 may include an operating unit 17. The user can turn the vacuum cleaner 1 on/off or manipulate the suction strength by manipulating the power button provided on the control panel 17.
- a dust collection device 60 may be provided in the main body 10.
- the dust collector 60 is disposed upstream of the motor 111 along the flow direction of the air inside the main body 10 by the fan motor device 100 and separates foreign substances from the air flowing into the dust collector 60. , may be configured to collect separated foreign substances.
- the dust collection device 60 may include a dust collection case 61 provided to collect foreign substances separated from the air.
- the dust collection case 61 may form the exterior of the dust collection device 60.
- the dust collection case 61 may be formed with a dust collection chamber 62 inside which foreign substances separated from the air are collected.
- the dust collection chamber 62 is a space where foreign substances separated by the first dust collector (first cyclone) 70 are collected and may be referred to as the first dust collection chamber 62.
- the dust collection case 61 forming the first dust collection chamber 62 may be referred to as the first dust collection case 61.
- An inlet 63 through which air flows from the suction head 20 into the first dust collection chamber 62 may be formed on one side of the first dust collection case 61.
- the inlet 63 is formed to communicate with the main body intake duct 11, and the air flowing into the main body 10 through the main body intake port 11a flows into the inside of the dust collector 60 through the inlet 63. It can be.
- the inlet 63 may be referred to as the first cyclone inlet 63 in that it is provided to allow air and foreign substances to flow into the first cyclone 70.
- the dust collector 60 may be detachably coupled from other components of the main body 10.
- the dust collection device 60 is provided with a connection cover 66 that connects the dust collection device 60 to other components of the main body 10, and is provided on one side of the connection cover 66, and connects the dust collection device 60 to the main body 10. It may include a coupling button 67 that is detachably coupled from other components. More specifically, as shown in FIGS. 1 to 4, the connection cover 66 and the coupling button 67 may be located between the exhaust case 12 and the first dust collection case 61.
- the engagement button 67 may be provided to be engaged with one side of the main body 10. When the engaging button 67 is engaged with one side of the main body 10, the dust collector 60 can be mounted on the main body 10.
- the engagement button 67 When the user presses the engagement button 67 while the dust collector 60 is mounted on the main body 10, the engagement button 67 may be arranged to release the engagement button, and thus the dust collector 60 It can be separated from the main body 10.
- the user can remove foreign substances collected in the dust collector 60, clean the dust collector 60, or use the dust collector 60 to the main body 10. ) can perform various operations such as repairing or replacing parts.
- embodiments of the present disclosure are not limited to this, and the dust collector 60 may be separated from the main body 10 in various ways.
- the dust collection device 60 may include a dust collection case door 68 provided in the first dust collection case 61.
- the dust collection case door 68 may be provided on one side of the first dust collection case 61 to open and close the first dust collection chamber 62. Furthermore, the dust collection case door 68 may be provided to open and close the second dust collection chamber 81.
- the dust collection case door 68 may be rotatably provided on the first dust collection case 61 by a rotating shaft 68a.
- the dust collection case door 68 may include a door button 68b, and the door button 68b may be provided to be engaged with one side of the first dust collection case 61.
- the door button 68b When the door button 68b is engaged with one side of the first dust collection case 61, the dust collection case door 68 can remain closed.
- the door button 68b When the user presses the door button 68b while the dust collection case door 68 is closed, the door button 68b may be arranged to release the locking combination, and thus the dust collection case door 68 may be opened. .
- the user does not separate the dust collection device 60 from the main body 10 or disassemble the components of the dust collection device 60, such as the dust collection case 61, but the first dust collection chamber 62 and the second dust collection chamber (81) Foreign substances collected within can be easily removed.
- the above description of the dust collection case door 68 is only an example for removing foreign substances collected from the dust collection device 60 of the vacuum cleaner 1 according to the spirit of the present disclosure, and the spirit of the present disclosure is not limited thereto. No.
- the dust collector 60 includes a first dust collector 70 provided to primarily separate air and foreign substances introduced through the first cyclone inlet 63, and foreign substances are separated by the first dust collector 70. It may include a second dust collection device 80 through which discharged air flows in to secondarily separate foreign substances.
- the first dust collector 70 and the second dust collector 80 may each be a cyclone type dust collector.
- the cyclone-type dust collector separates foreign substances by centrifugal force generated as air and foreign substances rotate inside, and the inlet through which air flows is a helical inlet, tangential inlet, guide wing inlet, etc. It can be formed to have a structure that can guide.
- the first dust collector 70 may include a first cyclone guide 71 that guides the air and foreign substances introduced through the first cyclone inlet 63 to rotate.
- the second dust collector 80 guides the air and foreign matter discharged from the first dust collector 70 to flow into the second dust collector 80, and then allows the introduced air and foreign matter to rotate. May include an inlet duct.
- Foreign substances primarily separated by the first dust collection device 70 may include relatively large-sized foreign substances.
- the first dust collector 70 is provided so that the radius of rotation through which air flows is formed to be relatively large by the first cyclone guide 71, and the first dust collection chamber 62 can also be formed to be large to correspond to it. there is.
- the second dust collector 80 can separate relatively small-sized foreign substances that were not sufficiently separated by the first dust collector 70 from the air.
- a cyclone cover 90 may be disposed between the first dust collector 70 and the second dust collector 80.
- the cyclone cover 90 may be provided so that air and foreign substances discharged from the first dust collector 70 pass through the cyclone cover 90 and flow into the second dust collector 80.
- the cyclone cover 90 may function as an outlet of the first dust collector 70 and an inlet of the second dust collector 80.
- Air and foreign substances can be sucked into the suction head 20.
- Air and dust sucked into the suction head 20 can be sucked into the interior of the main body 10 through the connection pipe 30 and the main body intake port 11a.
- Air introduced into the main body 10 may flow into the dust collector 60 through the inlet (first cyclone inlet) 63.
- Foreign substances introduced into the dust collection device 60 may be initially separated by the first dust collection device 70 and collected in the first dust collection chamber 62.
- the air from which foreign substances have been separated by the first dust collector 70 may be discharged from the first dust collector 70 through the cyclone cover 90 and flow into the second dust collector 80.
- Foreign matter flowing into the second dust collection device 80 may be secondarily separated by the second dust collection device 80 and collected in the second dust collection chamber 81.
- the first dust collector 70 may not be configured as a cyclone type dust collector.
- the first dust collection device according to the spirit of the present disclosure is a dust collection device that primarily separates foreign substances from the air introduced from the suction head, for example, a dust collection device that separates foreign substances through a porous filter, etc. It can be configured as a dust collection device.
- the vacuum cleaner 1 may include a fan motor filter 19 for filtering foreign substances from the air while the air passing through the dust collection device 60 moves to the fan motor device 100.
- the fan motor filter 19 may include a plurality of holes.
- Figure 5 shows an exploded view of a portion of the main body shown in Figure 4.
- Figure 6 shows the impeller cover and diffuser device shown in Figure 5 combined.
- Figure 7 shows an enlarged view of part B shown in Figure 4.
- the main body 10 may include a main body 101.
- a fan motor device 110 may be accommodated inside the main body 101.
- the main body 101 may include a connector 102 for discharging air to the filter 15.
- the connector 102 may be formed along the outer peripheral surface of the main body 101. The connector 102 can guide the air that has passed through the fan motor device 100 to the filter 15.
- the main body 10 may include a main body cover 106 that is detachably mounted on the main body 101.
- the body cover 106 may be detachably mounted on the exhaust case 12.
- the handle 40 and the operating unit 17 may be provided on the main body cover 106.
- the main body cover 106 may cover one open side of the main body 101.
- the exhaust case 12 may be detachably coupled to the main body cover 106.
- the exhaust case 12 may include a main body exhaust port 12a for discharging air that has passed through the filter 15 to the outside of the main body 10.
- the internal air of the vacuum cleaner 1 may be discharged to the outside of the vacuum cleaner 1 through the main body exhaust port 12a.
- the main body exhaust port 12a may have a slit shape.
- the main body exhaust port 12a may have a hole shape.
- the main body exhaust port 12a may be formed along the outer peripheral surface of the exhaust case 12.
- the filter 15 may be accommodated inside the exhaust case 12.
- the filter 15 can filter foreign substances from the air discharged from the connector 102 of the main body 101.
- the filter 15 may be disposed inside the main body 10 to filter air that has passed through the fan motor device 100.
- the filter 15 may be formed to surround the fan motor device 100 in a circumferential direction about the rotation axis of the impeller 120.
- the filter 15 may be arranged so that at least one portion faces the connector 102.
- the filter 15 may extend along the outer peripheral surface of the main body 10 where the connector 102 is formed.
- the filter 15 may extend from the connector 102 to the main body exhaust port 12a.
- the filter 15 extends from the connector 102 to the main body exhaust port 12a, the air flowing into the space between the exhaust case 12 and the main body 101 through the connector 102 passes through the filter 15. After passing through and being filtered, it can be discharged through the main body exhaust port (12a).
- the filter 15 may be provided to surround the connector 102.
- the filter 15 may have a substantially cylindrical shape with both ends open.
- the filter 15 may be detachably mounted on the main body 10.
- the filter 15 may be detachably mounted on the main body 101 and/or the main body cover 106. The user can separate the filter 15 from the main body 10 to maintain and/or repair it.
- the exhaust case 12 may cover the filter 15.
- the exhaust case 12 may be detachably mounted on the main body cover 106 and/or the main body 101. As the exhaust case 12 is detachably mounted on the main cover 106 and/or the main body 101, the user can easily replace the filter 15.
- the filter 15 may be a HEPA filter (high efficiency particulate air filter).
- the filter 15 can filter fine-sized dirt such as fine dust from the air that has passed through the dust collector 60.
- the air in which fine dust has been filtered through the filter 15 may be discharged to the outside of the cleaner 1 through the main body exhaust port 12a of the exhaust case 12.
- the interior of the main body 10 may be provided with a fan motor device 100 that generates the suction force necessary to suck in dirt on the surface to be cleaned.
- the fan motor device 100 may be accommodated inside the main body 10.
- the fan motor device 100 may be configured to generate suction force inside the main body 10.
- the fan motor device 100 may include a motor 111 and a circuit board 112 for controlling the motor 111.
- the circuit board 112 may be disposed on one side and the opposite side of the motor 111 to which the impeller 120 is coupled.
- the motor 111 and/or the circuit board 112 may be located on one side where the impeller 120 sucks air.
- the motor 111 may perform the function of converting electromagnetic force into mechanical rotational force.
- the motor 111 may include a stator in which a coil is provided, a rotor that has magnetism and can rotate by electromagnetic force, and a motor shaft 111a that penetrates the rotor and is rotatable.
- An impeller 120 connected to the motor 111 through the motor shaft 111a of the motor 111 may be provided inside the main body 10.
- the motor 111 may be disposed on the other side opposite to one side of the impeller 120 where the diffuser device 130 is disposed.
- the motor 111, the impeller 120, and the diffuser device 130 may be sequentially arranged in the direction in which the air passing through the dust collector 60 is discharged to the outside of the cleaner 1.
- the motor 111, the impeller 120, and the diffuser device 130 are sequentially arranged in the direction in which the air passing through the dust collector 60 is discharged to the outside of the cleaner 1, the relatively low temperature Since air can pass through the motor 111, the heat dissipation efficiency of the motor 111 can be increased.
- the main body 10 may include a motor case 105 on which a motor 111 and/or a circuit board 112 are mounted.
- the motor 111 and/or the circuit board 112 may be accommodated inside the motor case 105.
- the motor case 105 may cover the motor 111 and/or the circuit board 112.
- the motor case 105 may be accommodated inside the body 101.
- the motor case 105 may be coupled to the main body 101.
- a fan motor filter 19 may be provided in the motor case 105.
- the fan motor filter 19 may include a portion provided in a mesh shape.
- the motor case 105 may include a fan motor inlet 105a through which air passing through the fan motor filter 19 flows into the fan motor device 100.
- the fan motor inlet 105a may include a plurality of holes.
- the fan motor device 100 may include an impeller 120 that is coupled to the motor 111 to generate a flow of air.
- the motor 111 may provide power to the impeller 120.
- the impeller 120 may rotate by receiving power from the motor 111.
- Impeller 120 may be connected to the motor shaft 111a.
- the impeller 120 may receive power through the motor shaft 111a of the motor 111.
- the impeller 120 When the impeller 120 is coupled to the motor shaft 111a, it may rotate together with the motor shaft 111a. Impeller 120 may generate suction force.
- the impeller 120 may include a hub 121 and a plurality of wings 122 that protrude from the hub 121 to form an air flow.
- the hub 121 may have a shape whose cross-section perpendicular to the rotation axis of the impeller 120 increases in the direction in which air flowing into the main body 10 is discharged.
- the impeller 120 may be provided to discharge air flowing in in the direction of the rotation axis of the impeller 120 in approximately the radial direction of the impeller 120.
- a plurality of wings 122 may extend from the hub 121. As the impeller 120 rotates, the plurality of wings 122 may form an airflow together with the hub 121. The plurality of wings 122 may extend from the surface of the hub 121 into which air flows.
- the fan motor device 100 may include an impeller cover 126 to cover the impeller 120.
- the impeller cover 126 may be provided to cover at least a portion of the motor 111.
- the impeller cover 126 may be coupled to one side of the motor 111.
- the impeller cover 126 may form a flow path that guides the air discharged from the impeller 120 together with the diffuser device 130.
- the impeller cover 126 may include an impeller receiving portion 126a corresponding to the impeller 120 to accommodate the impeller 120.
- the impeller receiving portion 126a may have a shape whose cross-sectional area increases in the direction in which air flows. According to this configuration, the fan motor device 100 can improve efficiency.
- the fan motor device 100 may include a diffuser device 130.
- the diffuser device 130 may be provided to guide the air discharged from the impeller 120.
- the diffuser device 130 can diffuse the air discharged from the impeller 120.
- the diffuser device 130 may be provided to discharge air in a direction parallel to the rotation axis of the impeller 120.
- the diffuser device 130 may have a substantially disk shape.
- the diffuser device 130 may extend in a radial direction from the rotation axis of the impeller 120.
- the diffuser device 130 includes a radiating diffuser 131 that extends to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and guides the air passing through the radiating diffuser to the filter 15. It may include an axial diffuser 132 extending to
- the radiating diffuser 131 may extend approximately in a radial direction from the rotation axis of the impeller 120. Air introduced into the diffuser device 130 by the radiating diffuser 131 may be guided in an approximately radial direction from the rotation axis of the impeller 120.
- the radiating diffuser 131 is formed so that its cross-section perpendicular to the rotation axis of the impeller 120 increases as it goes in the radial direction from the rotation axis of the impeller 120.
- the efficiency of the fan motor device 100 may be determined by the vacuum pressure of air passing through the diffuser device 130 when the air volume generated by the impeller 120 is constant. As the cross section of the radiating diffuser 131 perpendicular to the rotation axis of the impeller 120 increases in the radial direction from the rotation axis of the impeller 120, the air flow rate decreases. As the flow rate of air decreases while passing through the radiant diffuser 131, the vacuum pressure increases. As the vacuum pressure of air increases while passing through the radiating diffuser 131, the efficiency of the fan motor device 100 increases.
- the radiating diffuser 131 includes a first radiating diffuser 131a extending in the direction in which the impeller 120 discharges air, and extending from the first radiating diffuser 131a in a direction approximately perpendicular to the rotation axis of the impeller 120. It may include a second radiation diffuser (131b).
- the diffuser device 130 includes a first radiating diffuser 131a extending in the direction in which the impeller 120 discharges air, thereby reducing the occurrence of turbulence caused by high-speed air discharged from the impeller 120. there is. By reducing the generation of turbulence caused by air discharged from the impeller 120, the noise of the diffuser device 130 can be reduced.
- a portion of the impeller cover 126 adjacent to the discharge portion of the impeller 120 may extend in the direction of air discharged from the impeller 120.
- a portion of the impeller cover 126 adjacent to the discharge portion of the impeller 120 may guide the air discharged from the impeller 120 together with the first radiating diffuser 131a to minimize the occurrence of turbulence.
- the diffuser inlet 136 may be formed by the diffuser device 130 and the impeller cover 126.
- the impeller cover 126 may include a portion corresponding to the second radiation diffuser 131b.
- the impeller cover 126 may have a portion extending in a direction substantially parallel to the rotation axis direction of the impeller 120.
- the diffuser outlet 137 may be formed by the diffuser device 130 and the impeller cover 126.
- the diffuser outlet 137 may be formed by the second radiating diffuser 131b and the impeller cover 126.
- the axial diffuser 132 may extend from the radiating diffuser 131.
- the axial diffuser 132 may extend from the second radiating diffuser 131b.
- the axial diffuser 132 may extend in a direction approximately parallel to the rotation axis of the impeller 120.
- the axial diffuser 132 may guide air in a direction opposite to the direction in which the impeller 120 discharges air.
- the axial diffuser 132 may be formed to discharge air that has passed through the radiating diffuser 131 toward one side where the impeller 120 suctions air.
- the diffuser device 130 may be formed to discharge air toward one side where the impeller 120 suctions air.
- the diffuser device 130 is formed so that the diffuser inlet 136 through which air flows in through the impeller 120 and the diffuser outlet 137 through which air flowing in through the diffuser inlet 136 is discharged face approximately the same direction. You can.
- the diffuser outlet 137 may be located adjacent to one side of the filter 15.
- the main body exhaust port 12a may be located adjacent to one side of the filter 15 and opposite to the other side.
- the filter 15 may extend from the diffuser outlet 137 to the main body exhaust port 12a.
- the main body 10 can prevent the length from increasing in the direction of the rotation axis of the impeller 120. there is.
- the vacuum cleaner 1 according to one embodiment can reduce the length of the main body 10 along the rotation axis direction of the impeller 120, thereby reducing the overall length and overall weight.
- Figure 8 shows an impeller cover and a diffuser device combined according to one embodiment.
- Figure 9 shows a vacuum cleaner to which the diffuser device shown in Figure 8 is applied.
- the diffuser device 230 of the fan motor device 200 of the vacuum cleaner 2 will be described.
- the same components as those of the vacuum cleaner 1 shown in FIGS. 1 to 7 are assigned the same reference numerals, and detailed descriptions may be omitted. there is.
- the fan motor device 200 of the vacuum cleaner 2 may include a diffuser device 230.
- the diffuser device 230 includes a radiating diffuser 231 that extends to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and filters 15 for air passing through the radiating diffuser 231.
- the second radiation diffuser 131b of the radiation diffuser 131 of the diffuser device 130 shown in FIG. 7 may be omitted.
- the radiating diffuser 231 of the diffuser device 230 may include a first radiating diffuser 231a extending in the direction in which the impeller 120 discharges air.
- the axial diffuser 132 may extend from the first radiating diffuser 231a.
- the diffuser device 230 includes a first radiating diffuser 231a in which the radiating diffuser 231 extends along the direction of air discharged from the impeller 120, and in the direction of the rotation axis of the impeller 120. Since the portion extending approximately perpendicular to is omitted, turbulence and/or noise caused by air discharged from the impeller 120 can be more effectively reduced.
- FIG. 10 shows an impeller cover and a diffuser device combined according to an embodiment.
- FIG. 11 shows a vacuum cleaner to which the diffuser device shown in FIG. 10 is applied.
- the diffuser device 330 of the fan motor device 300 of the vacuum cleaner 3 will be described.
- the same components as those of the vacuum cleaner 1 shown in FIGS. 1 to 7 are assigned the same reference numerals, and detailed descriptions may be omitted. there is.
- the fan motor device 300 of the vacuum cleaner 3 may include a diffuser device 330.
- the diffuser device 330 includes a radiating diffuser 331 that extends to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and filters 15 for air passing through the radiating diffuser 331.
- the second radiation diffuser 131b of the radiation diffuser 131 of the diffuser device 130 shown in FIG. 7 may be omitted.
- the radiating diffuser 331 of the diffuser device 330 may include a first radiating diffuser 331a extending in the direction in which the impeller 120 discharges air.
- the axial diffuser 332 of the diffuser device 330 may extend from the first radiating diffuser 331a toward the filter 15.
- the axial diffuser 332 of the diffuser device 330 may extend such that the diffuser outlet 337 faces the filter 15.
- the axial diffuser 332 of the diffuser device 330 shown in FIG. 11 is inclined with respect to the rotation axis direction of the impeller 120. It can be.
- the diffuser device 330 is provided so that the axial diffuser 332 extends from the radiating diffuser 331 toward the filter 15, so that the air discharged from the diffuser device 330 is used in the filter 15. Turbulence and/or noise that may occur can be reduced.
- Figure 12 shows an impeller cover and a diffuser device combined according to an embodiment.
- FIG. 13 shows a vacuum cleaner to which the diffuser device shown in FIG. 12 is applied.
- the fan motor device 400 of the vacuum cleaner 4 may include a diffuser device 430.
- the diffuser device 430 includes a radiating diffuser 131 extending to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and a filter 15 for air passing through the radiating diffuser 131.
- the radiating diffuser 131 includes a first radiating diffuser 131a extending in the direction in which the impeller 120 discharges air, and extending from the first radiating diffuser 131a in a direction approximately perpendicular to the rotation axis of the impeller 120. It may include a second radiation diffuser (131b).
- the diffuser device 430 of the fan motor device 400 of the vacuum cleaner 4 may include a shaft blade 433 provided inside the shaft diffuser 132.
- the axial blade 433 is formed to diffuse the air passing through the axial diffuser 132.
- the axial blade 433 is provided on the axial diffuser 132, so the efficiency can be improved.
- Figure 14 shows a vacuum cleaner equipped with a diffuser device according to an embodiment.
- the diffuser device 530 of the fan motor device 500 of the vacuum cleaner 5 will be described.
- the same configuration as the vacuum cleaner 1 shown in FIGS. 1 to 7 or the vacuum cleaner 4 shown in FIG. 13 is assigned the same member number. , detailed description can be omitted.
- the fan motor device 500 of the vacuum cleaner 5 may include a diffuser device 530.
- the diffuser device 530 includes a radiating diffuser 131 that extends to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and filters 15 for air passing through the radiating diffuser 131.
- the radiating diffuser 131 includes a first radiating diffuser 131a extending in the direction in which the impeller 120 discharges air, and extending from the first radiating diffuser 131a in a direction approximately perpendicular to the rotation axis of the impeller 120. It may include a second radiation diffuser (131b).
- the diffuser device 530 of the fan motor device 500 of the vacuum cleaner 5 may include an axial blade 433 provided inside the axial diffuser 132.
- the diffuser device 530 of the fan motor device 500 of the vacuum cleaner 5 may include a radiating blade 534 provided inside the radiating diffuser 131.
- the radiation blade 534 may be located in the second radiation diffuser 131b of the radiation diffuser 131.
- the radiating blade 534 is formed to diffuse the air passing through the radiating diffuser 131.
- an axial blade 433 is provided on the axial diffuser 132 and a radiating blade 534 is provided on the radiating diffuser 131, so efficiency can be improved.
- Figure 15 shows an impeller cover and a diffuser device combined according to an embodiment.
- Figure 16 shows a vacuum cleaner to which the diffuser device shown in Figure 15 is applied.
- the diffuser device 630 of the fan motor device 600 of the vacuum cleaner 6 will be described.
- the same configuration as the vacuum cleaner 1 shown in FIGS. 1 to 7 or the vacuum cleaner 4 shown in FIG. 13 is indicated by the same reference numeral. is given, and detailed explanation can be omitted.
- the fan motor device 600 of the vacuum cleaner 6 may include a diffuser device 630.
- the diffuser device 630 includes a radiating diffuser 131 extending to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and a filter 15 for air passing through the radiating diffuser 131.
- the radiating diffuser 131 includes a first radiating diffuser 131a extending in the direction in which the impeller 120 discharges air, and extending from the first radiating diffuser 131a in a direction approximately perpendicular to the rotation axis of the impeller 120. It may include a second radiation diffuser (131b).
- the axial diffuser 632 of the diffuser device 630 of the fan motor device 600 of the vacuum cleaner 6 includes a first axial diffuser 632a extending from the radiating diffuser 131 and a first axial diffuser ( It may include a second axis diffuser 632b extending from 632a).
- the first axial diffuser 632a and the second axial diffuser 632b may extend in a direction parallel to the rotation axis direction of the impeller 120.
- the first axis diffuser 632a and the second axis diffuser 632b may be stacked along the rotation axis direction of the impeller 120.
- the first axis diffuser 632a and the second axis diffuser 632b may be arranged in series along the rotation axis direction of the impeller 120.
- the diffuser device 630 of the fan motor device 600 of the vacuum cleaner 6 may include an axial blade 633 provided inside the axial diffuser 632.
- the axial blade 633 is formed to diffuse the air passing through the axial diffuser 632.
- the shaft blade 633 may include a first shaft blade 633a provided on the first shaft diffuser 632a and a second shaft blade 633b provided on the second shaft diffuser 632b.
- the first axis blade 633a may diffuse the air passing through the first axis diffuser 632a.
- the second axis blade 633b may diffuse the air passing through the second axis diffuser 632b.
- the vacuum cleaner 6 includes an axial diffuser 632 including a first axial diffuser 632a and a second axial diffuser 632b, and the first axial diffuser 632a includes a first axial diffuser 632a. Since the axial blade 633a is provided and the second axial blade 633b is provided in the second axial diffuser 632b, efficiency can be improved.
- Figure 17 shows a vacuum cleaner equipped with a diffuser device according to an embodiment.
- the diffuser device 730 of the fan motor device 700 of the vacuum cleaner 7 will be described.
- the cleaner 1 shown in FIGS. 1 to 7, the cleaner 5 shown in FIG. 14, or the cleaner 6 shown in FIG. 16 Configurations that are identical to each other are assigned the same member numbers, and detailed descriptions can be omitted.
- the fan motor device 700 of the vacuum cleaner 7 may include a diffuser device 730.
- the diffuser device 730 includes a radiating diffuser 131 that extends to guide the air discharged from the impeller 120 in a radial direction from the rotation axis of the impeller 120, and filters 15 for air passing through the radiating diffuser 131.
- the radiating diffuser 131 includes a first radiating diffuser 131a extending in the direction in which the impeller 120 discharges air, and extending from the first radiating diffuser 131a in a direction approximately perpendicular to the rotation axis of the impeller 120. It may include a second radiation diffuser (131b).
- the axial diffuser 632 may include a first axial diffuser 632a extending from the radiating diffuser 131 and a second axial diffuser 632b extending from the first axial diffuser 632a.
- the diffuser device 730 of the fan motor device 700 of the vacuum cleaner 7 may include a radiating blade 534 provided inside the radiating diffuser 131.
- the radiating blade 534 is formed to diffuse the air passing through the radiating diffuser 131.
- the diffuser device 730 of the fan motor device 700 of the vacuum cleaner 7 may include an axial blade 633 provided inside the axial diffuser 632.
- the axial blade 633 is formed to diffuse the air passing through the axial diffuser 632.
- the shaft blade 633 may include a first shaft blade 633a provided on the first shaft diffuser 632a and a second shaft blade 633b provided on the second shaft diffuser 632b.
- the first axis blade 633a may diffuse the air passing through the first axis diffuser 632a.
- the second axis blade 633b may diffuse the air passing through the second axis diffuser 632b.
- the vacuum cleaner 7 is provided with a cleaning blade 534 inside the radiating diffuser 131, and the axial diffuser 632 includes the first axis diffuser 632a and the second axis diffuser. It includes (632b), and since the first axis blade (633a) is provided in the first axis diffuser (632a) and the second axis blade (633b) is provided in the second axis diffuser (632b), efficiency can be improved. there is.
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Abstract
Description
Claims (15)
- 본체 배기구를 갖는 본체;상기 본체의 내부에 설치 가능한 필터; 및팬모터 장치;를 포함하며, 상기 팬모터 장치는,상기 본체의 내부에 흡입력을 발생시키기 위해 회전 가능하도록 구성되는 임펠러;상기 임펠러를 회전시키기 위한 동력을 제공하도록 구성되는 모터; 및디퓨저 장치;를 포함하고, 상기 디퓨터 장치는,상기 임펠러의 회전 축으로부터 방사 방향으로 연장되는 방사 디퓨저; 및상기 방사 디퓨저로부터 연장되는 축 디퓨저;를 포함하고,상기 팬모터 장치는, 상기 필터가 상기 본체의 내부에 설치된 상태에서,상기 모터에 의해 제공되는 동력에 의한 상기 임펠러가 회전하여 공기가 상기 팬모터 장치를 통과하여 상기 임펠러로부터 배출되고, 상기 방사 디퓨저에 의해 상기 임펠러의 상기 회전 축으로부터 방사 방향으로 가이드되며, 상기 축 디퓨저에 의해 상기 필터로 여과되도록 가이드되고, 상기 본체 배기구를 통해 배출되도록 구성되는 청소기.
- 제1항에 있어서,상기 방사 디퓨저는 상기 방사 디퓨저에 의해 가이드되는 공기를 확산시키기 위한 방사 블레이드를 포함하는 청소기.
- 제1항에 있어서,상기 축 디퓨저는 상기 축 디퓨저에 의해 가이드되는 공기를 확산시키기 위한 축 블레이드를 포함하는 청소기.
- 제1항에 있어서,상기 축 디퓨저는,상기 방사 디퓨저로부터 연장되는 제1 축 디퓨저; 및상기 제1 축 디퓨저로부터 연장되는 제2 축 디퓨저;를 포함하는 청소기.
- 제4항에 있어서,상기 제1 축 디퓨저는 상기 제1 축 디퓨저에 의해 가이드되는 공기를 확산시키기 위한 제1 축 블레이드를 포함하며,상기 제2 축 디퓨저는 상기 제2 축 디퓨저에 의해 가이드되는 공기를 확산시키기 위한 제2 축 블레이드를 포함하는 청소기.
- 제1항에 있어서,상기 방사 디퓨저는 상기 임펠러가 공기를 배출하는 방향으로 연장되는 제1 방사 디퓨저를 포함하는 청소기.
- 제6항에 있어서,상기 방사 디퓨저는 상기 제1 방사 디퓨저로부터 상기 임펠러의 회전 축에 수직한 방향으로 연장되는 제2 방사 디퓨저를 포함하는 청소기.
- 제1항에 있어서,상기 축 디퓨저는 상기 필터가 상기 본체의 내부에 설치된 상태에서, 상기 필터를 향하는 방향으로 상기 축 디퓨저에 의해 가이드되는 공기를 배출하도록 구성되는 청소기.
- 제1항에 있어서,상기 모터는 상기 임펠러의 상기 디퓨저 장치에 반대되며 공기를 흡입하는 일 측에 배치되는 청소기.
- 제1항에 있어서,상기 필터는 상기 필터가 상기 본체의 내부에 설치된 상태에서, 상기 임펠러의 회전 축에 대한 둘레 방향으로 상기 팬모터 장치를 둘러싸도록 형성되는 청소기.
- 제1항에 있어서,상기 디퓨저 장치는 상기 임펠러가 공기를 흡입하는 일 측을 향해 공기를 배출하도록 형성되는 청소기.
- 제1항에 있어서,상기 디퓨저 장치는,상기 축 디퓨저에 의해 가이드되는 공기를 배출하기 위한 배출구로서, 상기 필터가 상기 본체의 내부에 설치된 상태에서 상기 필터의 제1 측에 인접하게 위치하는 배출구를 포함하며,상기 본체 배기구는 상기 필터가 상기 본체의 내부에 설치된 상태에서 상기 필터의 상기 제1 측에 반대되는 제2 측에 인접하게 위치하는 청소기.
- 제1항에 있어서,상기 디퓨저 장치는,상기 축 디퓨저에 의해 가이드되는 공기를 배출하기 위한 배출구를 포함하며,상기 필터는 상기 필터가 상기 본체의 내부에 설치된 상태에서 상기 디퓨저 장치의 상기 배출구로부터 상기 본체 배기구까지 연장되는 청소기.
- 제1항에 있어서,상기 필터는 HEPA 필터(high efficiency particulate air filter)로 마련되는 청소기.
- 제1항에 있어서,상기 필터는 상기 본체로부터 분리 가능하도록 마련되는 청소기.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23879934.0A EP4509026A4 (en) | 2022-10-17 | 2023-07-04 | CLEANING DEVICE |
| CN202380040504.3A CN119255737A (zh) | 2022-10-17 | 2023-07-04 | 清洁器 |
| US18/236,017 US20240122420A1 (en) | 2022-10-17 | 2023-08-21 | Cleaner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220133624A KR20240053473A (ko) | 2022-10-17 | 2022-10-17 | 청소기 |
| KR10-2022-0133624 | 2022-10-17 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/236,017 Continuation US20240122420A1 (en) | 2022-10-17 | 2023-08-21 | Cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024085349A1 true WO2024085349A1 (ko) | 2024-04-25 |
Family
ID=90737977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/009405 Ceased WO2024085349A1 (ko) | 2022-10-17 | 2023-07-04 | 청소기 |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20240053473A (ko) |
| WO (1) | WO2024085349A1 (ko) |
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| KR20090026919A (ko) * | 2007-09-11 | 2009-03-16 | 엘지전자 주식회사 | 진공 청소기의 팬모터 |
| KR20190003260A (ko) * | 2017-06-30 | 2019-01-09 | 엘지전자 주식회사 | 팬 모터 |
| US20190113045A1 (en) * | 2017-10-13 | 2019-04-18 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| KR20220045717A (ko) * | 2020-10-06 | 2022-04-13 | 삼성전자주식회사 | 청소 시스템과 도킹장치 |
| KR20220058602A (ko) * | 2019-09-05 | 2022-05-09 | 다이슨 테크놀러지 리미티드 | 공기 유입구 내에 배치된 유동 가이드를 포함하는 컴프레서 |
| KR20220111968A (ko) * | 2021-02-03 | 2022-08-10 | 삼성전자주식회사 | 진공청소기 |
-
2022
- 2022-10-17 KR KR1020220133624A patent/KR20240053473A/ko active Pending
-
2023
- 2023-07-04 WO PCT/KR2023/009405 patent/WO2024085349A1/ko not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090026919A (ko) * | 2007-09-11 | 2009-03-16 | 엘지전자 주식회사 | 진공 청소기의 팬모터 |
| KR20190003260A (ko) * | 2017-06-30 | 2019-01-09 | 엘지전자 주식회사 | 팬 모터 |
| US20190113045A1 (en) * | 2017-10-13 | 2019-04-18 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| KR20220058602A (ko) * | 2019-09-05 | 2022-05-09 | 다이슨 테크놀러지 리미티드 | 공기 유입구 내에 배치된 유동 가이드를 포함하는 컴프레서 |
| KR20220045717A (ko) * | 2020-10-06 | 2022-04-13 | 삼성전자주식회사 | 청소 시스템과 도킹장치 |
| KR20220111968A (ko) * | 2021-02-03 | 2022-08-10 | 삼성전자주식회사 | 진공청소기 |
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| Publication number | Publication date |
|---|---|
| KR20240053473A (ko) | 2024-04-24 |
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