EP2123204A2 - Dispositif de régulation du flux d'air aspiré d'un aspirateur - Google Patents

Dispositif de régulation du flux d'air aspiré d'un aspirateur Download PDF

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Publication number
EP2123204A2
EP2123204A2 EP20090004933 EP09004933A EP2123204A2 EP 2123204 A2 EP2123204 A2 EP 2123204A2 EP 20090004933 EP20090004933 EP 20090004933 EP 09004933 A EP09004933 A EP 09004933A EP 2123204 A2 EP2123204 A2 EP 2123204A2
Authority
EP
European Patent Office
Prior art keywords
suction
false air
opening
false
air
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.)
Granted
Application number
EP20090004933
Other languages
German (de)
English (en)
Other versions
EP2123204B1 (fr
EP2123204A3 (fr
Inventor
Holger Siegfried Lepold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sprintus GmbH
Original Assignee
Sprintus GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sprintus GmbH filed Critical Sprintus GmbH
Publication of EP2123204A2 publication Critical patent/EP2123204A2/fr
Publication of EP2123204A3 publication Critical patent/EP2123204A3/fr
Application granted granted Critical
Publication of EP2123204B1 publication Critical patent/EP2123204B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action

Definitions

  • the present invention relates to a device for regulating the suction air flow of a nipple by means of false air.
  • a sucker usually comprises a suction nozzle, a suction channel and a suction device.
  • the suction air flow enters the suction channel through the suction nozzle and continues to flow into the suction device.
  • the suction air flow is passed through a filter device, so that dust and dirt are collected in a collecting container provided in the suction device.
  • a different strong suction air flow is required for different surfaces to be cleaned (parquet, carpets, furniture, etc.) a different strong suction air flow is required. It should be avoided that the suction nozzle is stuck to the surface to be cleaned and that sensitive surfaces are damaged.
  • the DE 10 2005 010 983 B3 describes an air flow regulator in the suction channel of a vacuum cleaner whose noise is reduced because the false air is supplied parallel to the flow direction of the suction air.
  • the suction channel in an extension section to false air openings which by means of a suction channel surrounding the rotatable sleeve steplessly can be opened and closed.
  • this solution is structurally complex and therefore associated with comparatively high production costs.
  • the DE 1 879 398 U suggests, however, to arrange the air flow regulator in the suction nozzle itself.
  • the air flow regulator is designed as a continuously adjustable slide, which is associated with a provided in the bottom of the suction nozzle opening through which the false air enters the suction nozzle.
  • this solution has the disadvantage that the air flow regulator when changing the suction nozzle (eg. From a carpet nozzle to a furniture nozzle) is lost and can not be realized constructively in all suction nozzles.
  • the object of the present invention is therefore to provide a device for regulating the suction air flow of a nipple, which is structurally simple and allows the regulation of the suction air flow with the lowest possible additional noise.
  • a suction device for the sucker having at least one false air opening, the opening cross-section is controlled by a control such that false air is supplied to the suction air stream.
  • the suction air flow is regulated neither in the suction nozzle nor in the suction channel, but by means of a false air opening arranged in the suction device.
  • the noise associated with the intake of false air is effectively damped by the housing of the suction device.
  • the suction device in contrast to the suction channel, is located at some distance from the cleaner cleaning power, which further reduces the noise load.
  • the device of the invention operates purely mechanically, is structurally simple and can thus be realized inexpensively. Existing suction devices can be retrofitted.
  • the control can be configured as desired, with a configuration as a slider or thumbwheel is particularly useful. It is also advantageous if the opening cross section of the false air opening by means of the control element is steplessly controlled to allow optimum adaptation to the surface to be cleaned.
  • the device according to the invention can be realized with suction devices of all kinds.
  • Conventional suction devices have a lower part designed as a collecting container and an upper part, even if theoretically a device according to the invention with a one-piece suction device is conceivable.
  • the fan motor can be arranged in any part of the housing (eg. In the upper part or in the lower part).
  • the false air opening may be provided in the upper part, so that a flow connection between 0berteil and lower part is formed. Since the inlet nozzle for the suction channel is arranged on the lower part designed as a collecting container, it is ensured in this way that the false air can be supplied to the suction air stream.
  • a preferred development consists in that the secondary air opening is arranged in a pre-chamber formed in the upper part.
  • the pre-chamber causes additional damping of noise.
  • the suction device has a lower part designed as a collecting container and an upper part and a middle part arranged between lower part and upper part, and that the false air opening is provided in the middle part, such that a flow connection is formed between central part and lower part.
  • the false air is fed to the suction air stream in this embodiment, the middle part and the lower part.
  • an antechamber may also be provided for additional noise damping in the middle part, in which the false air opening is arranged.
  • a preferred embodiment is characterized in that the false air opening is provided in the middle part and that an inlet opening for the false air is provided in the upper part, such that a flow connection between upper part and lower part is formed.
  • the spatial separation of the false air opening of a separate inlet opening for the false air in the upper part has the advantage that retrofitting already located in the production of suction devices is particularly easy.
  • an antechamber may also be provided for additional noise damping in the middle part, in which the false air opening is arranged.
  • FIGS. 1 and 2 show an embodiment of the device according to the invention in the form of a suction device 10 for a nipple.
  • a suction device 10 for a nipple.
  • the suction device 10 comprises a lower part 11 designed as a collecting container, a middle part 12 and an upper part 13, which are bolted together in the assembled state.
  • an inlet pipe 14 for a suction channel for example.
  • a known per se suction hose (not shown).
  • the middle part 12 has a bottom 15. Below the bottom 15 ribs 16 are formed for mounting and / or air duct, on which a blower motor 17 known per se is provided. As well as out FIG. 3 can be seen, a prechamber 18 is formed above a portion of the bottom 15. The pre-chamber 18 is formed from the bottom 15 and a cover 19. The cover 19 has a passage 21 which connects the interior of the upper part 13 with the pre-chamber 18. Like from the Figures 2 and 3 can be seen, the bottom 15 in the region of the prechamber 18 on a false air opening 22, which connects the prechamber 18 with the interior of the lower part 11. The opening cross section of the false air opening 22 is continuously adjustable in the embodiment by means of a control element 23 in the form of a setting wheel (see in particular FIG. 3 ). The thumbwheel 23 is rotatably mounted on the underside of the cover 19.
  • the upper part 13 forms with a further portion of the bottom 15 an outlet opening 24 for the suction air flow S and an inlet opening 35 for false air.
  • a known switch 25 is also pivotally mounted for switching on and off of the operating current.
  • the suction device 10 generates in operation in a conventional manner by means of the blower motor 17, a suction air flow S, starting from a suction nozzle (not shown) via a suction channel, for example.
  • a suction pipe and / or a suction hose (not shown) until the suction air flow S enters through the inlet port 14 into the interior of the lower part 11.
  • the suction air flow S is then passed as usual through a seal 36 sealed against the lower part 11 by means of a filter 26 and passed on the blower motor 17 past into the interior of the upper part 13 and from there to the outside.
  • the suction air flow S exits through the outlet opening 24 from the upper part 13.
  • the false air opening 22 is at least partially opened by means of the setting wheel 23, false air is sucked through the inlet opening 35 into the interior of the upper part 13.
  • the false air flow F thus produced enters through the passage opening 21 in the cover 19 in the pre-chamber 18 and is then passed through the more or less open false air opening 22 into the interior of the lower part 11.
  • the predetermined by the performance of the blower motor 17 suction power is reduced, whereby the suction air flow S is attenuated at the suction nozzle.
  • This regulation of the suction air flow prevents the suction nozzle from becoming trapped or damaging the surface to be cleaned.
  • the upper part 13 exerts an additional insulating effect, on the one hand by the acoustic shielding caused by the housing and on the other hand due to the large flow cross section within the upper part 13 made available by the false airflow F. This causes the flow velocity of the secondary air flow F and thus also of the False airflow F generated noise can be substantially reduced.
  • the thumbwheel 23 is formed in the embodiment as a cylindrical hollow body, with a cylinder wall 27 and an upper wall portion 28 and a lower wall portion 29.
  • the upper wall portion 28 and the lower wall portion 29 are provided with aligned bearing bores 31 for receiving a bearing shaft 32 (see. FIG. 5 ).
  • the thumbwheel 23 is rotatably mounted by means of the bearing axis 32 on the cover 19 of the antechamber 18 (see. FIG. 5 ).
  • the thumbwheel 23 also has in the cylinder wall 27 and in the lower wall portion 27 each have an access opening 33 and an outlet opening 34 for the entering into the prechamber 18 false air.
  • the outlet opening 34 is brought more or less into coincidence by turning the setting wheel 23 with the false air opening 22.
  • the false air opening 22 can be completely closed by the lower wall part 29 of the setting wheel 23 or completely brought into coincidence with the outlet opening 34, ie be completely open.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Exhaust Gas After Treatment (AREA)
EP09004933.9A 2008-05-21 2009-04-03 Dispositif de régulation du flux d'air aspiré d'un aspirateur Active EP2123204B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810024605 DE102008024605A1 (de) 2008-05-21 2008-05-21 Vorrichtung zur Regulierung des Saugluftstroms eines Saugers

Publications (3)

Publication Number Publication Date
EP2123204A2 true EP2123204A2 (fr) 2009-11-25
EP2123204A3 EP2123204A3 (fr) 2012-07-04
EP2123204B1 EP2123204B1 (fr) 2016-11-16

Family

ID=41050876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09004933.9A Active EP2123204B1 (fr) 2008-05-21 2009-04-03 Dispositif de régulation du flux d'air aspiré d'un aspirateur

Country Status (2)

Country Link
EP (1) EP2123204B1 (fr)
DE (1) DE102008024605A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113729547A (zh) * 2020-05-29 2021-12-03 优联沃森(苏州)智能技术有限公司 一种恒压式家用清洁吸尘器
USD1128876S1 (en) 2023-12-18 2026-06-02 Husqvarna Ab Filter for dust extractor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1879398U (de) 1963-04-27 1963-09-19 Kicherer Fakir Werk Saugdruckregler fuer stielstaubsauger.
DE102005010983B3 (de) 2005-03-03 2006-08-31 Alfred Kärcher Gmbh & Co. Kg Luftstromregler für Staubsauger

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005017568B4 (de) * 2005-04-11 2024-04-25 Alfred Kärcher SE & Co. KG Saugreinigungsgerät
KR100730232B1 (ko) * 2006-03-06 2007-06-19 삼성광주전자 주식회사 진공청소기의 흡입브러쉬
DE102006030227B3 (de) * 2006-06-30 2008-03-27 BSH Bosch und Siemens Hausgeräte GmbH Nebenluftventil
DE202006017191U1 (de) * 2006-11-10 2007-01-04 Vorwerk & Co. Interholding Gmbh Staubsauger mit einem Elektromotor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1879398U (de) 1963-04-27 1963-09-19 Kicherer Fakir Werk Saugdruckregler fuer stielstaubsauger.
DE102005010983B3 (de) 2005-03-03 2006-08-31 Alfred Kärcher Gmbh & Co. Kg Luftstromregler für Staubsauger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113729547A (zh) * 2020-05-29 2021-12-03 优联沃森(苏州)智能技术有限公司 一种恒压式家用清洁吸尘器
USD1128876S1 (en) 2023-12-18 2026-06-02 Husqvarna Ab Filter for dust extractor

Also Published As

Publication number Publication date
DE102008024605A1 (de) 2009-11-26
EP2123204B1 (fr) 2016-11-16
EP2123204A3 (fr) 2012-07-04

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