CN110242536B - Bidirectional electromagnetic driving air compressor - Google Patents
Bidirectional electromagnetic driving air compressor Download PDFInfo
- Publication number
- CN110242536B CN110242536B CN201910311667.6A CN201910311667A CN110242536B CN 110242536 B CN110242536 B CN 110242536B CN 201910311667 A CN201910311667 A CN 201910311667A CN 110242536 B CN110242536 B CN 110242536B
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- electromagnetic
- air
- cylinder body
- cylinder
- air outlet
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The invention belongs to the technical field of air compressors, and relates to a bidirectional electromagnetic driving air compressor, which comprises a cylinder body and pistons in the cylinder body, wherein openings at two ends of the cylinder body are respectively provided with a cylinder cover, each cylinder cover is provided with an air inlet channel with an air inlet one-way valve, an air outlet channel with an air outlet one-way valve and electromagnetic drivers, a piston rod connected to the pistons extends out of the cylinder covers at two ends of the cylinder body and extends into the corresponding electromagnetic drivers, the electromagnetic drivers at two sides of the cylinder body apply force to drive the piston rod and the pistons to reciprocate in the same direction after being electrified, so that air is admitted from the air inlet channel and compressed air is output from the air outlet channel, and the bidirectional electromagnetic driving air compressor has the advantages that: the air compressor has the advantages of high power, high efficiency, small volume, low noise and electric energy saving, is suitable for an air compressor, and provides compressed air for society.
Description
Technical Field
The invention belongs to the technical field of air compressors, and particularly relates to a bidirectional electromagnetic driving air compressor.
Background
Chinese patent CN 205025732U discloses an electromagnetic air compressor, which comprises a tank shell, an energy storage chamber shell, a gas conversion chamber, a powerful permanent magnet push plate, an electromagnetic chamber, a coil, a current controller, a platform, an iron core and a coil spring, wherein an air outlet is arranged at the upper part of the tank shell, a platform is arranged at the center of the upper part of the tank shell, the upper surface of the platform is provided with the current controller, the lower surface of the platform is provided with the energy storage chamber shell, the energy storage chamber shell is divided into the gas conversion chamber and the electromagnetic chamber, the electromagnetic chamber is internally provided with the iron core with an external winding coil, the two ends of a copper wire in the coil are connected with the output end of the current controller through a wire, a through hole is arranged at the bottom of the gas conversion chamber, a coil spring is arranged in the gas conversion chamber, one end of the coil spring is connected with the powerful permanent magnet push plate, and the center of the powerful permanent magnet push plate is provided with a through hole; air to be injected in the working process enters the energy storage chamber shell 2 through an air pipeline, and meanwhile, current is introduced, so that repulsive force is generated by the electromagnet and the powerful permanent magnet push plate 4, the air is pushed to enter the tank shell 1, and in addition, the check valve can effectively prevent air from flowing backwards; the defects are that: when the electromagnet pushes the powerful permanent magnet push plate 4 to move downwards to compress gas to do work, the elasticity of the spiral spring needs to be overcome, and the energy for overcoming the elasticity of the spiral spring to do work is consumed; secondly, the distance between the electromagnet and the strong permanent magnet push plate 4 is long, and the energy of the electromagnet cannot be effectively utilized to do work; thirdly, the power of a single electromagnet is limited, a high-power air compressor cannot be manufactured, and in order to manufacture the high-power air compressor, the electromagnet is required to be larger, so that the size is larger, and the carrying and the use are inconvenient; fourthly, the strong permanent magnet push plate 4 does work when moving unidirectionally, so that the efficiency of compressing the gas is low.
Disclosure of Invention
The invention aims to provide a bidirectional electromagnetic driving air compressor which has high power, high efficiency, small volume and small noise and can effectively utilize electric energy.
The invention aims to solve the following problems:
The two-way electromagnetic driving air compressor comprises a cylinder body and pistons in the cylinder body, cylinder covers are arranged on openings at two ends of the cylinder body, an air inlet channel with an air inlet one-way valve, an air outlet channel with an air outlet one-way valve and electromagnetic drivers are arranged on each cylinder cover, piston rods connected to the pistons extend out of the cylinder covers at two ends of the cylinder body and extend into the corresponding electromagnetic drivers, and the electromagnetic drivers at two sides of the cylinder body apply force to drive the piston rods and the pistons to reciprocate in the same direction after being electrified, so that compressed air is inlet from the air inlet channel and compressed air is output from the air outlet channel.
The piston rod extending into the electromagnetic driver is a driving rod, and the driving rod is soft iron or moving iron or strong magnet with magnetic metal or electromagnet.
The inner end of the air inlet channel is communicated with the inner cavity of the cylinder body, the outer end of the air inlet channel is communicated with the inner cavity of the air filter, and the air filter is arranged on the outer surface of the electromagnetic driver.
The air filters are arranged on the outer surfaces of the electromagnetic drivers on the two sides of the cylinder body respectively.
One end of each air outlet channel on the cylinder cover is communicated with the inner cavity of the cylinder body at the corresponding end, and the other end of each air outlet channel is connected with the corresponding cylinder body to form an air outlet main pipe for outputting high-pressure air.
The electromagnetic driver comprises an electromagnetic coil and a driving rod, wherein the electromagnetic coil is arranged in the electromagnetic driver shell, the circumference of the electromagnetic coil is electrified to form axial magnetic force, the driving rod is movably arranged in an axial through hole in the center of the electromagnetic coil, the driving rod is coaxially connected with a piston rod on the corresponding side, and the driving rod is soft iron or moving iron with magnetic metal or electromagnet.
The electromagnetic coils of the electromagnetic drivers at the two ends of the cylinder body are connected in series or in parallel and led out of the electromagnetic drivers through a group of power lines.
The electromagnetic driver comprises a shell, an electromagnetic coil and a driving rod penetrating through a central through hole of the electromagnetic coil, wherein the electromagnetic coil is arranged on the side, close to the cylinder, in an inner cavity of the shell, a movable cavity of the driving rod is arranged on the side, far away from the cylinder, of the electromagnetic coil, and more than one pressure equalizing hole communicated with a filter cavity of an air filter arranged on the outer surface of the electromagnetic driver is arranged on the side wall of the shell of the movable cavity.
The piston rod or/and the cylinder body are provided with a sensor for detecting the movement position of the piston rod, and the sensor is a photoelectric sensor or a displacement sensor or a proximity switch or a Hall sensor.
The sensor is electrically connected with a controller for controlling the power supply commutation or a power supply commutation switch.
Compared with the prior art, the invention has the outstanding advantages that:
1. The power is high: because the invention adopts double electromagnetic homodromous driving, the driving force is large and the power is large.
2. The efficiency is high: because the invention adopts the pressure to compress air to apply work when the piston moves to two directions, the efficiency of the work application is high.
3. The volume is small: the electromagnetic coils are arranged at the two ends of the cylinder body, so that the installation and layout of accessories are facilitated, the air filters are respectively arranged on the outer cylindrical surfaces of the shells of the electromagnetic drivers at the two ends of the cylinder body, the air inlet area is large, the whole of the bidirectional electromagnetic driving air compressor is cylindrical, the packaging and the transportation are facilitated, the space is saved, the size is small, the materials are saved, the weight is light, the structure is symmetrical about the central axis, and the acting force is balanced.
4. Energy saving: because the invention does not adopt a spring as a reset original, and does not have an original or component for doing negative work, the electric energy is completely converted into electromagnetic energy to drive the piston to compress air for doing work, and the energy-saving effect is good.
5. The noise is small: the invention omits a conventional crank-link mechanism, does not use lubricating oil, and has stable transmission, low noise and low failure rate.
Drawings
Fig. 1 is a schematic view of the structural principle of the present invention.
Detailed Description
The invention is further described in the following embodiments with reference to the accompanying drawings, see fig. 1:
the two-way electromagnetic driving air compressor comprises a cylinder body 24 and pistons 26 in the cylinder body 24, cylinder covers 22 are arranged on openings at two ends of the cylinder body 24, an air inlet channel 27 with an air inlet one-way valve 28, an air outlet channel 13 with an air outlet one-way valve 12 and electromagnetic drivers are arranged on each cylinder cover 22, piston rods 25 connected to the pistons 26 extend out of the cylinder covers 22 at two ends of the cylinder body 24 and extend into corresponding electromagnetic drivers, and after the electromagnetic drivers at two sides of the cylinder body 24 are electrified, the piston rods 25 and the pistons 26 are driven to reciprocate by applying force in the same direction, so that air is fed from the air inlet channel 27 and compressed air is output from the air outlet channel 13.
The piston rod 25 extending into the electromagnetic driver is a driving rod 18, the driving rod 18 is soft iron or moving iron with magnetic metal or electromagnet or strong magnet, and the driving force of the strong magnet matched with the electromagnetic coil 19 is maximum.
The inner end of the air inlet 27 is communicated with the inner cavity of the cylinder 24, the outer end of the air inlet is communicated with the inner cavity of the air filter 17 through an inner channel 29, the air filter 17 is arranged on the outer surface of the electromagnetic driver (namely, the outer cylinder of the electromagnetic driver shell 20), air filtering materials such as sponge or non-woven fabrics are arranged in the cavity of the air filter 17, and a reinforcing net is arranged on the outer surface of the air filtering materials so as to prevent external force from striking and the air filtering materials from falling out.
The air filter 17 is provided with two electromagnetic drivers which are respectively arranged on the outer surfaces of the two sides of the cylinder 24.
One end of the air outlet channel 13 on each cylinder cover 22 is communicated with the inner cavity of the cylinder body 24 at the corresponding end, and the other end of the air outlet channel is connected with the inner cavity of the cylinder body 24 to form an air outlet header pipe 15 for outputting high-pressure air.
The joint of the cylinder body 24, the cylinder cover 22 and the shell 20 is provided with a sealing ring 14 to prevent air leakage.
The electromagnetic driver comprises an electromagnetic coil 19 (the electromagnetic coil 19 is a coil capable of forming axial magnetic force) and a driving rod 18, wherein the electromagnetic coil 19 is arranged in the shell 20 of the electromagnetic driver, the electromagnetic coil is electrified to form axial magnetic force, the driving rod 18 is movably arranged in an axial through hole in the center of the electromagnetic coil 19, the driving rod 18 is coaxially connected with a piston rod 25 on the corresponding side, and the driving rod 18 is the moving iron of an electromagnet.
The electromagnetic coils 19 of the electromagnetic drivers at both ends of the cylinder 24 are connected in series or in parallel and led out of the electromagnetic drivers by a set of power lines.
The electromagnetic driver comprises a shell 20, an electromagnetic coil 19 and a driving rod 18 penetrating through a central through hole of the electromagnetic coil 19, wherein the electromagnetic coil 19 is arranged on the side, close to a cylinder body 24, in an inner cavity of the shell 20, a driving rod movable cavity 16 is arranged on the side, far away from the cylinder body 24, of the electromagnetic coil, more than one pressure equalizing hole 10 communicated with a filter cavity of an air filter 17 arranged on the outer surface of the electromagnetic driver is arranged on the side wall of the shell 20 of the driving rod movable cavity 16, and normal reciprocating motion of a piston rod 25 and the driving rod 18 is prevented from being influenced.
The piston rod 25 and/or the cylinder 24 are/is provided with a sensor for detecting the movement position of the piston rod 25, and the sensor is a photoelectric sensor or a displacement sensor or a proximity switch 30 or a hall sensor, for example: the sensor of the sensor is that a detection disc 31 (or a touch arm) is arranged at the end part of a driving rod, a proximity switch 30 is respectively arranged at two end positions of the inner wall of a shell 20 corresponding to the movement of a piston 26, when an electromagnetic coil is electrified to drive the piston and a piston rod to move towards one direction, the detection disc 31 is moved to be close to the proximity switch 30, the proximity switch 30 sends a signal to a controller, the controller controls a power supply to reversely supply power, so that the piston and the piston rod move towards the opposite direction, an air chamber in front of the piston is compressed, an air inlet one-way valve 28 on a cylinder cover in front of the piston is closed, the pressure is higher than the pressure in an air outlet main pipe 15, then the air outlet one-way valve 12 on an air outlet channel 13 is opened to supply compressed air, meanwhile, the air chamber behind the piston is increased, and the air inlet one-way valve 28 at the side is opened for air inlet; when the piston moves to the detection disc 31 and approaches to the other proximity switch 30, the proximity switch 30 sends a signal to the controller, the controller controls the power supply to supply power in the forward direction, so that the piston and the piston rod move in the forward direction, at the moment, the air chamber in front of the piston moving direction is compressed, the air inlet one-way valve 28 on the front cylinder cover of the piston moving direction is closed, when the pressure is higher than the pressure in the air outlet main pipe 15, the air outlet one-way valve 12 on the air outlet channel 13 is opened to provide compressed air, meanwhile, the air chamber behind the piston is increased, the pressure is reduced, the air inlet one-way valve 28 on the side is opened to supply air, the air inlet and the air outlet process are realized for each direction movement of the piston, and electromagnetic driving and bidirectional compressed air are realized.
The sensor is electrically connected with a controller for controlling the power supply commutation or a power supply commutation switch.
The cylinder body 24 is connected with the base 21 with a mounting hole and the handle 11 through the screw rod 23 so as to conveniently mount and move the bidirectional electromagnetic driving air compressor, and radiating fins are arranged on the outer surface of the cylinder body 24 at intervals.
The piston rings arranged at the joint of the piston rod, the cylinder body and the shell and on the cylindrical surface of the piston are oil-free lubrication rings or oil-containing linear bearings, so that the friction force is small, and the transmission noise is smaller; the oil-free lubrication ring is made of polyimide filled polytetrafluoroethylene which is wear-resistant, high-temperature resistant, self-lubricating, long in service life and free of damaging a cylinder body.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical schemes or technical features described in the foregoing embodiments can be simply replaced or modified in similar technology, and the simple replacement or modification does not make the essence of the corresponding technical schemes deviate from the spirit and the essence of the technical schemes of the embodiments of the present invention, and still is within the protection scope of the present invention.
Claims (5)
1. The utility model provides a two-way electromagnetic drive air compressor, includes cylinder body and the piston in the cylinder body of barrel type, its characterized in that: the cylinder body is characterized in that openings at two ends of the cylinder body are respectively provided with a cylinder cover, each cylinder cover is provided with an air inlet channel with an air inlet one-way valve, an air outlet channel with an air outlet one-way valve and an electromagnetic driver, a piston rod connected to the piston extends out of the cylinder covers at two ends of the cylinder body and extends into the corresponding electromagnetic drivers, and the electromagnetic drivers at two sides of the cylinder body apply force in the same direction after being electrified to drive the piston rod and the piston to reciprocate, so that air is inlet from the air inlet channel and compressed air is output from the air outlet channel;
the electromagnetic driver comprises an electromagnetic coil and a driving rod, wherein the electromagnetic coil is arranged in the electromagnetic driver shell, the circumference of the electromagnetic coil can form axial magnetic force, the driving rod is movably arranged in an axial through hole in the center of the electromagnetic coil, the driving rod is coaxially connected with a piston rod on the corresponding side, the electromagnetic coil is arranged in a shell cavity of the electromagnetic driver, the side, close to the cylinder, of the electromagnetic driver is provided with a driving rod movable cavity, the side, far away from the cylinder, of the electromagnetic driver is provided with more than one pressure equalizing hole communicated with a filter cavity of the air filter, and the side wall of the shell of the driving rod movable cavity, which is respectively arranged on the two sides of the cylinder, is provided with a pressure equalizing hole; the inner end of the air inlet channel is communicated with the inner cavity of the cylinder body the outer end is communicated with the inner cavity of the air filter;
and a set of sensors for detecting the movement position of the piston rod are respectively arranged in each driving rod movable cavity.
2. The bi-directional electromagnetic drive air compressor of claim 1 wherein: one end of each air outlet channel on the cylinder cover is communicated with the inner cavity of the cylinder body at the corresponding end, and the other end of each air outlet channel is connected with the corresponding cylinder body to form an air outlet main pipe for outputting high-pressure air.
3. The bi-directional electromagnetic drive air compressor of claim 1 wherein: the electromagnetic coils of the electromagnetic drivers at the two ends of the cylinder body are connected in series and led out of the electromagnetic drivers through a group of power lines.
4. The bi-directional electromagnetic drive air compressor of claim 1 wherein: the sensor is a photoelectric sensor or a Hall sensor.
5. The bi-directional electromagnetic drive air compressor of claim 1 wherein: the sensor is electrically connected with a controller for controlling the commutation of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311667.6A CN110242536B (en) | 2019-04-12 | 2019-04-12 | Bidirectional electromagnetic driving air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311667.6A CN110242536B (en) | 2019-04-12 | 2019-04-12 | Bidirectional electromagnetic driving air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242536A CN110242536A (en) | 2019-09-17 |
| CN110242536B true CN110242536B (en) | 2024-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910311667.6A Active CN110242536B (en) | 2019-04-12 | 2019-04-12 | Bidirectional electromagnetic driving air compressor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113401B (en) * | 2019-12-25 | 2021-07-06 | 浙江清华柔性电子技术研究院 | Driving system and soft robot with same |
| CN111502957A (en) * | 2020-05-21 | 2020-08-07 | 安慕科技(深圳)有限公司 | One-pump multi-head air outlet pump |
| CN115479013B (en) * | 2022-10-08 | 2023-06-27 | 萨震压缩机（上海）有限公司 | Dry-type oil-free air compressor adopting high-speed direct drive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004003408A (en) * | 2002-04-25 | 2004-01-08 | Kazumasa Ikuta | Suction and discharge device for fluid |
| KR101635371B1 (en) * | 2015-06-25 | 2016-07-08 | 한국원자력연구원 | Groundwater sampling device using a double acting piston |
| CN210371068U (en) * | 2019-04-12 | 2020-04-21 | 赵光天 | Bidirectional electromagnetic drive air compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006070734A (en) * | 2004-08-31 | 2006-03-16 | Hitachi Ltd | Reciprocating pump |
| KR101588686B1 (en) * | 2013-12-26 | 2016-02-12 | 한국원자력연구원 | Dual acting electromagnetic pump |
| CN105257505A (en) * | 2015-10-12 | 2016-01-20 | 珠海格力电器股份有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
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2019
- 2019-04-12 CN CN201910311667.6A patent/CN110242536B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004003408A (en) * | 2002-04-25 | 2004-01-08 | Kazumasa Ikuta | Suction and discharge device for fluid |
| KR101635371B1 (en) * | 2015-06-25 | 2016-07-08 | 한국원자력연구원 | Groundwater sampling device using a double acting piston |
| CN210371068U (en) * | 2019-04-12 | 2020-04-21 | 赵光天 | Bidirectional electromagnetic drive air compressor |
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| CN110242536A (en) | 2019-09-17 |
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