EP2052660A2 - Appareil d'aspiration - Google Patents

Appareil d'aspiration Download PDF

Info

Publication number: EP2052660A2
Authority: EP; European Patent Office
Prior art keywords: suction device; filter; opening; plunger; suction
Prior art date: 2007-10-26
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

EP08017768A

Other languages

German (de)

English (en)

Other versions

EP2052660A3 (fr

EP2052660B1 (fr

Inventor

Eugen Bruntner

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.)

Electrostar GmbH

Original Assignee

Electrostar Schottle & Co KG 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.)

2007-10-26

Filing date

2008-10-10

Publication date

2009-04-29

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38860026&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2052660(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2008-10-10 Application filed by Electrostar Schottle & Co KG GmbH filed Critical Electrostar Schottle & Co KG GmbH

2008-10-10 Priority to PL08017768T priority Critical patent/PL2052660T3/pl

2009-04-29 Publication of EP2052660A2 publication Critical patent/EP2052660A2/fr

2009-07-01 Publication of EP2052660A3 publication Critical patent/EP2052660A3/fr

2012-02-29 Application granted granted Critical

2012-02-29 Publication of EP2052660B1 publication Critical patent/EP2052660B1/fr

Status Revoked legal-status Critical Current

2028-10-10 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
- A47L9/20—Means for cleaning filters

Definitions

the invention relates to a suction device according to the preamble of claim 1.
a suction device in whose housing two suction motors are housed, each associated with a filter.
Each suction motor has an air outlet opening, which can be closed by a shut-off valve when the respective filter needs to be cleaned. Then the associated suction motor is switched off and closed with the shut-off valve, the air outlet opening of this shut-off suction motor.
the two naturally aspirated engines require a correspondingly large-volume housing. The cleaning of the filter can only begin when the switched-off naturally-aspirated engine has reduced its speed so far that a suction effect no longer occurs.
the flow time of the suction motor is in the range of seconds.
the invention has for its object to form the generic suction device so that in a compact design of the cleaning process of the filter when needed can be started immediately without idle times occur.
suction device only a single suction motor is provided, so that the housing of the suction device can be made very compact.
the suction motor remains switched on both during the suction process and during the cleaning process, so that idle times Do not occur when cleaning the respective filter.
the associated valve device is actuated, which blocks the flow path of the clean air from the filter to the suction motor. This blocking process can take place abruptly, so that the cleaning process can be carried out immediately afterwards.
the suction motor remains switched on and operates at full power, so that it can be sucked on with the suction device.
the dirty air then flows only through the one filter in which the flow path to the air outlet opening is not shut off.
valve device is switched back to the initial position and thus released the flow path from the cleaned filter to the air outlet opening. In this way, the filters can be alternately cleaned if necessary. As long as the two filters are not yet added, the sucked dirty air flows through both filters.
a flow space which lies downstream of the filter in the flow direction, separated during cleaning of the filter from a subsequent flow channel, which is fluidically connected to the suction motor.
the flow space and the downstream flow channel allow easy and reliable shut off of the flow path when the filter needs to be cleaned.
valve means comprises a displaceable plunger, which is provided with a valve element.
the flow path can be interrupted or released in a simple manner and within a very short time.
the plunger is electromagnetically, in particular by a solenoid, moved.
the plunger protrudes through an opening in a wall of the flow space.
the opening width of this opening is greater than the diameter of the plunger. During the cleaning process, this opening is not sealed, so that the negative pressure in the flow direction behind the filter to be cleaned immediately collapses and the cleaning can be initiated immediately.
this opening is closed by a seated on the plunger sealing element, so that the vacuum necessary for the suction in the flow direction behind the filter can build up immediately.
the plunger of the valve device advantageously protrudes through a further opening in a further wall of the flow space. About this further opening of the flow space is connected to the flow channel.
the diameter of the plunger is several times smaller than the width of this further opening. This ensures that during the suction process, the sucked air can flow quickly into the flow channel and from there in the direction of the air outlet opening after passing through the filter.
the valve element is seated at the free end of the plunger, preferably in the flow channel. This ensures that when moving the plunger, the valve element closes the further opening and at the same time the sealing element on the plunger releases the other opening.
the valve element does not have to ensure a 100% seal at the further opening during the cleaning process of the filter. Possibly on the valve element located in the closed position entering leakage air does not adversely affect, since the free opening cross-section of the opposite opening, which is released by the sealing element, is substantially larger than the leakage cross-section.
the suction motor is advantageously located centrally in the housing, wherein the filters are arranged in the area next to the suction motor.
the suction device has a container 1, on which a hood 2 is detachably mounted.
a suction motor 3 is preferably housed centrally.
the suction device is provided with an intake 5, to which a suction hose can be connected.
the hood 2 is provided with at least one air outlet opening 6 through which the filtered air exits the suction device.
the suction motor 3 is seated in a support unit 11.
the suction device has two filters 16, 17, which are advantageously identical and each have a folded filter medium.
the two filters 16, 17 advantageously extend perpendicular to the plane of the drawing.
Each filter 16, 17 is associated with a cleaning device 20, 21, with which the respective filter 16, 17 can be cleaned when it is added by dust / dirt particles.
the cleaning means 20, 21 are known per se vibrating means with a Rüttelmagneten 22, 23, with which the filters 16, 17 are placed in vertical vibrations, as indicated in the drawing for the filter 17 by the double arrow 24.
the shaking movements in the vertical direction cause the adhering to the filter medium dust / dirt particles 25 are shaken off and fall down into the dirt container 1.
Each filter 16, 17 is associated with a valve device 26, 27, with the flow path from the intake manifold 5 to the air outlet opening 6 can be closed during the cleaning phase of the filter 16 and 17, respectively.
Both valve devices 26, 27 are advantageously the same design and provided on the support unit 11.
the valve devices 26, 27 each have a lifting magnet 28, 29, with which a plunger 30, 31 can be moved axially.
a valve disc 32, 33 is provided, with which an opening 34, 35 of the support unit 11 can be closed.
the opening 34, 35 connects flow channels 14, 15, each with a flow space 36, 37, in which the Rüttelmagnet 22, 23 of the cleaning device 20, 21 is located.
the plunger 30, 31 protrudes through an opening provided in a wall 40, 41 opening 38, 39 which is opposite to the opening 34, 35 at a distance.
the wall 40, 41 limits the respective flow space 36, 37 to the outside.
the free opening cross section of the openings 38, 39 is substantially smaller than the free opening cross section of the openings 34,35.
a sealing element 42, 43 which may be formed for example by a short piece of hose.
the two lifting magnets 28, 29 are located outside the flow spaces 36, 37.
the lifting magnets 28, 29 may be encapsulated.
the plunger 30 of the valve device 26 is extended, so that the valve disc 32, the opening 34 of the support unit 11 releases.
the sealing element 42 abuts against the outside of the wall 40 and seals the opening 38 in the wall 40 properly.
the plunger 31 of the valve device 27 is extended, so that the valve disc 33, the opening 35 releases and the sealing element 43, the opening 39 in the wall 41 seals.
the suction motor 3 the offset with dust / dirt particles 25 air is sucked in via the intake manifold 5 and flows through the filters 16, 17 in the flow chambers 36, 37.
the dust / dirt particles 25 are in the Filtering 16, 17 retained so that purified exhaust air flows into the flow spaces 36, 37.
the exhaust air enters the flow channels 14, 15.
the exhaust air then flows through an air passage opening 9 and from there through the air outlet opening 6 into the open.
the flow pattern is shown by a dashed line for the filter 16.
the valve disc 33 does not have to seal the opening 35 100%.
a cost-effective sealing element can be used for the valve disk 33, without causing disadvantages in the cleaning of the filter 16, 17 with it.
the opening 39 whose diameter is slightly larger than the diameter of the plunger 31, is open when the opening 35 is closed, so that leakage air reaching via this opening 35 into the flow space 37 can be compensated quickly.
the passage cross-section in the region of the opening 39 is greater than the leakage cross-section in the region of the valve disk 33, so that the leakage air entering the flow space 37 can be reliably compensated.
the vacuum generated by the suction motor 3 is reliably degraded through the opening 39, as described in the The way the free flow cross-section of the opening 39 is substantially larger than the leakage cross-section in the region of the valve disc 33rd
the suction device can continue to work, since the filter disk 32 of the plunger 30 of the valve device 26 does not close the opening 34.
the sucked by the suction motor 3 exhaust air can therefore, as shown in the drawing by the flow arrows, through the filter 16 into the flow chamber 36, through the opening 34 into the flow chamber 14, through the air passage opening 9 and through the air outlet opening 6 to flow outward.
the suction motor 3 operates at full power, so that the suction effect is not affected by the cleaning of the filter 17.
the solenoid 29 is turned off and the plunger 31 extended by the negative pressure generated by the vacuum motor 3, so that the valve disc 33, the opening 35 releases and at the same time the sealing element 43, the opening 39 seals. This switching process takes place abruptly. Thus, the filter 17 is switched back into the flow path for the dust / dirty air, so that they can flow through the filter 17.
the solenoid 28 is turned on and the plunger 30 is moved back.
the valve disk 32 then closes the opening 34, while the sealing element 42, the opening 38 releases.
the sealing element 16 can be cleaned in the manner described.
the filter 17 operates, so that even during the cleaning of the filter 16, the suction power of the suction device is not impaired.
the two filters 16, 17 can thus be cleaned alternately.
the suction motor 3 operates continuously with a constant high power, so that the suction power of the suction device remains unchanged even when cleaning the filter 16 and 17 respectively.
the suction device is characterized by a compact design, since only a suction motor 3 is used, the centrally in the container 1 is arranged.
the support unit 11 is detachably inserted into the container 1, so that it can be easily removed if necessary.
the suction device can be used for a long time until the container 1 has to be emptied. Since the filters 16, 17 are cleaned alternately, no idle times occur during the suction process, since a filter 16 or 17 is always ready for use.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manipulator (AREA)
Cleaning In General (AREA)
Filtering Of Dispersed Particles In Gases (AREA)
Filters For Electric Vacuum Cleaners (AREA)
Branching, Merging, And Special Transfer Between Conveyors (AREA)
Massaging Devices (AREA)
Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

EP08017768A 2007-10-26 2008-10-10 Appareil d'aspiration Revoked EP2052660B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PL08017768T PL2052660T3 (pl)	2007-10-26	2008-10-10	Urządzenie ssące

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE202007015242U DE202007015242U1 (de)	2007-10-26	2007-10-26	Sauggerät

Publications (3)

Publication Number	Publication Date
EP2052660A2 true EP2052660A2 (fr)	2009-04-29
EP2052660A3 EP2052660A3 (fr)	2009-07-01
EP2052660B1 EP2052660B1 (fr)	2012-02-29

Family

ID=38860026

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08017768A Revoked EP2052660B1 (fr)	2007-10-26	2008-10-10	Appareil d'aspiration

Country Status (6)

Country	Link
US (1)	US8015660B2 (fr)
EP (1)	EP2052660B1 (fr)
AT (1)	ATE547037T1 (fr)
DE (1)	DE202007015242U1 (fr)
DK (1)	DK2052660T3 (fr)
PL (1)	PL2052660T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104000538A (zh) *	2013-02-27	2014-08-27	天佑电器（苏州）有限公司	清洁工具
EP3753464A1 (fr) *	2019-06-18	2020-12-23	Hilti Aktiengesellschaft	Agencement d'une unité de nettoyage dans un dispositif d'aspiration et dispositif d'aspiration doté d'un tel agencement
CN112228259A (zh) *	2020-10-21	2021-01-15	马鞍山市常立发机械制造有限公司	一种农业机械用柴油机导风装置

Families Citing this family (19)

* 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
EP2046183B1 (fr)	2006-07-29	2010-09-01	Alfred Kärcher GmbH & Co. KG	Procédé pour nettoyer le filtre d'un aspirateur et aspirateur pour mettre en oeuvre le procédé
DE102008047047B4 (de)	2008-09-13	2012-09-20	Alto Deutschland Gmbh	Filterabreinigung in einem Schmutzsauger mit Klappenelement
EP2421630B1 (fr)	2009-04-22	2013-03-13	Alfred Kärcher GmbH & Co. KG	Procédé pour décrasser les deux filtres d'un aspirateur à des fins de nettoyage et aspirateur pour mettre en oeuvre le procédé
DE102009020769A1 (de)	2009-04-30	2010-11-04	Alfred Kärcher Gmbh & Co. Kg	Saugreinigungsgerät
WO2011003441A1 (fr)	2009-07-07	2011-01-13	Alfred Kärcher Gmbh & Co. Kg	Dispositif d'aspiration à des fins de nettoyage
DE102010045979A1 (de) *	2010-09-18	2012-03-22	Nilfisk-Advance A/S	Filterabreinigung für Schmutzsauger mit externem Gebläse
US20130219652A1 (en) *	2012-02-28	2013-08-29	Steve Martel	Valve system and method
EP2662011B8 (fr) *	2012-05-07	2015-10-07	IP Cleaning S.p.A.	Aspirateur
US9107550B2 (en)	2013-09-27	2015-08-18	Black & Decker Inc.	Compact vacuum and sander
US10118236B2 (en)	2014-09-26	2018-11-06	Kennametal Inc.	Rotary cutting tool
DE102016100780A1 (de)	2016-01-19	2017-07-20	Festool Gmbh	Sauggerät
US20220369881A1 (en) *	2016-12-12	2022-11-24	Skybest Electric Appliance (Suzhou) Co., Ltd.	Dust Collector and Self-Cleaning Method for Filter Thereof
GB201700637D0 (en)	2017-01-13	2017-03-01	Black & Decker Inc	Dust collection box
EP3420874A1 (fr)	2017-06-29	2019-01-02	HILTI Aktiengesellschaft	Nettoyage de filtre
EP4247228A4 (fr)	2020-11-19	2025-08-27	Milwaukee Electric Tool Corp	Dépoussiéreur portatif
IT202100027068A1 (it)	2021-10-21	2023-04-21	Elsea S R L	Dispositivo per la pulizia dei filtri di aspirazione di un’aspirapolvere
US20240108185A1 (en) *	2022-10-04	2024-04-04	Makita Corporation	Dust collector
DE102023123077A1 (de)	2023-08-28	2025-03-06	Electrostar Gmbh	Schalteinrichtung für eine Staubsaugvorrichtung und Staubsaugvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10101219A1 (de)	2001-01-12	2002-07-25	Wap Reinigungssysteme	Abreinigungssteuerung für die Filter von Schmutzsaugern mit zwei Ventilen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202004012911U1 (de)	2004-08-18	2004-10-21	Electrostar Schöttle GmbH & Co. KG	Sauggerät mit mehreren Saugmotoren
EP1813180B2 (fr) *	2006-01-27	2013-05-01	Black & Decker Inc.	Mècanismes de nettoyage du filtre d'aspirateur
DE102006000310A1 (de) *	2006-06-26	2008-01-10	Hilti Ag	Staubsaugvorrichtung
ITMI20071121A1 (it) *	2007-06-01	2008-12-02	Guido Valentini	"aspiratore per polveri con pulizia automatica dei filtri"

2007
- 2007-10-26 DE DE202007015242U patent/DE202007015242U1/de not_active Expired - Lifetime
2008
- 2008-10-10 EP EP08017768A patent/EP2052660B1/fr not_active Revoked
- 2008-10-10 DK DK08017768.6T patent/DK2052660T3/da active
- 2008-10-10 AT AT08017768T patent/ATE547037T1/de active
- 2008-10-10 PL PL08017768T patent/PL2052660T3/pl unknown
- 2008-10-25 US US12/258,385 patent/US8015660B2/en active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10101219A1 (de)	2001-01-12	2002-07-25	Wap Reinigungssysteme	Abreinigungssteuerung für die Filter von Schmutzsaugern mit zwei Ventilen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104000538A (zh) *	2013-02-27	2014-08-27	天佑电器（苏州）有限公司	清洁工具
EP3753464A1 (fr) *	2019-06-18	2020-12-23	Hilti Aktiengesellschaft	Agencement d'une unité de nettoyage dans un dispositif d'aspiration et dispositif d'aspiration doté d'un tel agencement
WO2020254167A1 (fr) *	2019-06-18	2020-12-24	Hilti Aktiengesellschaft	Agencement d'une unité de nettoyage dans un aspirateur et aspirateur avec un tel agencement
US12611080B2 (en)	2019-06-18	2026-04-28	Hilti Aktiengesellschaft	Arrangement of a de-dusting unit in a vacuuming device and vacuuming device with such an arrangement
CN112228259A (zh) *	2020-10-21	2021-01-15	马鞍山市常立发机械制造有限公司	一种农业机械用柴油机导风装置

Also Published As

Publication number	Publication date
US20090106933A1 (en)	2009-04-30
PL2052660T3 (pl)	2012-07-31
ATE547037T1 (de)	2012-03-15
EP2052660A3 (fr)	2009-07-01
US8015660B2 (en)	2011-09-13
DE202007015242U1 (de)	2007-12-27
EP2052660B1 (fr)	2012-02-29
DK2052660T3 (da)	2012-06-25

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