[go: up one dir, main page]

EP2808553A2 - Roue de ventilateur - Google Patents

Roue de ventilateur Download PDF

Info

Publication number
EP2808553A2
EP2808553A2 EP14169375.4A EP14169375A EP2808553A2 EP 2808553 A2 EP2808553 A2 EP 2808553A2 EP 14169375 A EP14169375 A EP 14169375A EP 2808553 A2 EP2808553 A2 EP 2808553A2
Authority
EP
European Patent Office
Prior art keywords
impeller
axis
radially
blades
impeller blades
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
EP14169375.4A
Other languages
German (de)
English (en)
Other versions
EP2808553A3 (fr
EP2808553B1 (fr
Inventor
Mathias Varnhorst
Thomas Erner
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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 Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Publication of EP2808553A2 publication Critical patent/EP2808553A2/fr
Publication of EP2808553A3 publication Critical patent/EP2808553A3/fr
Application granted granted Critical
Publication of EP2808553B1 publication Critical patent/EP2808553B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/706—Humidity separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/70—Shape

Definitions

  • the invention relates to an impeller attached to the rotor of an electric motor, the impeller having an impeller axis and, covered by a co-rotating ceiling part impeller blades, further wherein the impeller blades have an extension direction in the axial direction.
  • Blower wheels of the type in question are known. These are preferably driven by an electric motor, wherein the impeller is further preferably non-rotatably attached to the rotor axis of the electric motor.
  • an air flow is achieved via the rotating fan wheel, in particular for cooling the electric motor, more preferably in the arrangement of the electric motor and fan wheel, for example in a vacuum cleaner or the like, for building up a suction air flow.
  • the impeller blades are covered by a co-rotating ceiling part. This essentially serves for the targeted direction of flow in the area of the fan wheel, so on, in particular for achieving a radial fan.
  • the air is preferably sucked in the axial direction, more preferably centrally of the impeller, more preferably passing through a corresponding opening of the ceiling portion, and passed at least according to the arrangement of the impeller blades radially outward.
  • An electric motor with such an impeller is, for example, from the DE 10 2008 014 624 A1 known.
  • a possible solution of the problem is given according to a first inventive concept in an impeller in which it is geared to that the cover part covers the impeller blades radially outward in the direction of the axis to half or more of the axial extent of the impeller blades.
  • the radially outwardly directed opening areas between the impeller blades are at least partially covered radially on the outside, so that at least a partial deflection of the air flow and optionally entrained by the air flow particles results in this area.
  • the ceiling part extends from an axial overlap of the impeller blades into an at least partially radial overlap, which results in a preferred embodiment, a ceiling part with one, the radially outwardly facing end edges of the impeller blades overlapping, circumferential wall area.
  • the cover part radially covers the impeller blades in the inflow direction of the air or in the direction of extent of the axis to a given in this direction end of the impeller blades.
  • the cover part extends at least in a region comprising the impeller blades radially outward, more preferably with respect to a cutting plane extending in the axial direction of the impeller at least approximately parallel to the inflow direction of the air, further approximately parallel to the axis of rotation of the impeller. More preferably takes such, the fan blades radially outwardly overlapping Section of the ceiling part an acute angle to the impeller axis, is oriented accordingly at an acute angle along an axis parallel.
  • the ceiling part further preferably extends with the fan blades radially outwardly surrounding portion at least up to an axial end of the impeller blades, in particular an axial end of the radially outward preferably free existing front edge of the impeller blades, which end is further preferably opposite to the covered by the ceiling part axial end , More preferably, this section of the ceiling part extends beyond the axial end, in particular the free end edge of the edge of the impeller blades, more preferably also via a, the impeller blades carrying bottom part of the impeller.
  • the impeller blades are formed in a further preferred embodiment in a radial overlap area with the ceiling part at least over a part of the given length in the axial direction with respect to a radially outer end of an impeller with radial clearance to an inner surface of the ceiling part.
  • a gap portion in particular a circumferential gap portion with respect to the axis of rotation between the radially outer ends of the impeller blades and the facing inner surface of the ceiling portion.
  • the ceiling part in a radial covering area to the fan wheel blades, extends widening radially outward in the direction of the axis. It results in this respect preferred - with respect to a vertical section through the impeller - an example. Conical expansion. In preferably parallel to the rotational axis of the impeller extending free end edge edges of the impeller blades results here further preferred an example. Wedge-shaped enlargement of the gap between the edge edge edge and facing inner surface of the ceiling part.
  • the radial extension over the length of the axis is formed, including different angles with the axis.
  • the area of the ceiling part formed in radial overlap with the impeller blades is rectilinear with respect to a cross-section, evenly spaced from the axis, while an adjoining, preferably free-terminating end portion of the ceiling part encloses an altered acute angle with respect to the axis , This end region further preferably extends below the impeller, in particular in the region of a formed diffuser.
  • the radially free end region of the ceiling part preferably encloses a larger angle with the axis than a middle region of the ceiling part, in particular as a region formed in radial overlap with the fan wheel blades.
  • this range preferably includes an acute angle of 5 ° to 30 °, more preferably 10 ° to 20 °, while the free end portion of the ceiling portion preferably includes an angle of 30 ° to 75 °, more preferably 45 ° to 60 ° to the rotation axis ,
  • the ceiling portion extends in a preferred embodiment in the direction of the axis of the impeller blades by an amount beyond, which preferably corresponds to half or more of the axial height of the impeller blades, more preferably half or more of the largest axial height of the impeller blades in the course of their radial extent. More preferably, the ceiling part extends up to a three times the axial height of the impeller blades in the direction of the axis on the impeller blades.
  • a radially free end region of the ceiling part passes through a motor housing of the electric motor in a plane transverse to the axis.
  • enforcement of a partial region of the motor housing is furthermore preferably provided, more preferably such that the co-rotating cover part is at least further covered by a section of the motor housing at least in the region extending radially beyond the fan wheel blades in the axial direction.
  • a radial free end region of the ceiling part in particular an end region of the ceiling part which extends beyond the fan wheel blades in the direction of the axes, is surrounded in a preferred embodiment by an annular receiving space such that optionally conveyed liquid is supplied to the receiving space on an inner side of the ceiling part.
  • Any fluid particles entrained with the air flow or solid particles are first, in particular due to the design of the ceiling part, further derived from the resulting centrifugal forces along the inside of the ceiling part in the direction of the free end region and delivered into the receiving space adjoining this end region.
  • the end region can end here with a small distance to the receiving space. In a further embodiment, it is provided that the end region extends into the receiving space.
  • the receiving space in any case has an outlet opening extending in the direction of the axis. More preferably, the outlet opening, in particular a central axis of the outlet opening, extends oriented parallel to the axis of rotation of the impeller. About this outlet opening can in the Receiving room supplied liquid or the like can be specifically removed. For example. can connect to the outlet opening a drain line, for example. In the form of a hose. More preferably, the outlet opening is associated with a bottom of the receiving space, which latter is designed in a trough-like manner in a preferred embodiment with respect to a cross section.
  • the outlet opening is associated with a Abteilausformung, which protrudes at a distance radially inward to an outer wall of the receiving space and the outlet opening.
  • this Abteilausformung is formed out of a radially outer annular wall of the receiving space. Due to the stagnation-like Abteilausformung the liquid phase is directed to the outlet opening. As a result, a multiple orbiting of the liquid phase is counteracted, which would otherwise lead to a reduction of the spin energy. Due to the selected measure, the system can be used regardless of location.
  • the compartment formation ends projecting freely in the projection in a projection corresponding to a center axis of the outlet opening.
  • the compartment formation preferably extends from an edge of the outlet opening over 20% to 80% of the largest cross-sectional dimension of the outlet opening freely into the outlet opening.
  • the ceiling part is preferably covered by a fixed motor housing section. More preferably, the ceiling part is completely covered by the fixed motor housing section rotates accordingly in the operation of the Blower in a hiding position.
  • the motor housing portion in cooperation with areas of the ceiling part form a barrier against in particular liquids between the ceiling part and the motor housing portion. In a preferred embodiment, this is achieved by a labyrinthine interaction of the ceiling part and the motor housing section.
  • the ceiling part preferably forms, at least in a covering area, seen transversely to the axis, to the electric motor or motor housing, in cooperation with the motor housing, a radially directed channel between an upper side of the motor housing and an underside of the ceiling part.
  • a radially directed channel between an upper side of the motor housing and an underside of the ceiling part.
  • the channel is in this case further preferably formed circumferentially with respect to the axis. Essentially projects into this channel, the free end portion of the ceiling part, which includes a larger angle with the axis.
  • the upper side of the motor housing and the underside of the cover part extend at least approximately parallel, so that the channel formed thereby has a constant extent over its entire (tendency) radial length.
  • the channel width of the channel corresponds in a preferred embodiment a third or less of the given radially outside at the free end free height of the impeller blades. More preferably, the width corresponds to 0.2 to 1 times the radially outside given free height of the impeller blades. In a further embodiment, the gap dimension selected (width of the channel) corresponds to about 1% to 5%, more preferably about 2% of the maximum diameter of the channel considered in a plane oriented transversely to the axis.
  • the given in the flow direction length of the channel preferably corresponds to 0.1 to 0.3 times the diameter of the impeller at the free end of an impeller blade, here possibly based on the largest diameter of the impeller if it changes over the axial height of the impeller blades ,
  • the gap length of the channel given thereby corresponds to approximately 5% to 15%, more preferably approximately 9% of the largest channel diameter with respect to the axis.
  • the length of the channel at least approximately corresponds to the given in cross-section length of the region of the ceiling part, which includes a larger acute angle with the axis.
  • the liquid phase is optionally conveyed away in a preferred embodiment with a partial air flow against gravity.
  • This partial air flow results from the total air flow, which is constructed by the activated impeller.
  • the partial air flow in this case preferably corresponds to up to 10% of the intake air volume and is preferably guided through the channel and the receiving space to the outlet opening, with the preferred support of the removal of the liquid phase from the receiving space.
  • the ranges and / or ranges of values or multiple ranges given above also include all intermediate values, in particular in 1/10 increments of the respective dimension, if necessary also dimensionless, in particular 1.01 times etc., on the one hand for delimitation the aforementioned range limits from below and / or above, alternatively or additionally, but also with regard to the disclosure of one or more singular values from the respectively specified range.
  • an electric motor 1 with an impeller 3 arranged on a rotor shaft 2 and a guide stage in the form of a diffuser 4.
  • the impeller 3 is rotatably mounted on the rotor shaft 2 and is rotated about this, wherein the rotor shaft 2 rotatably with a rotor of the Electric motor 1 is connected.
  • the rotor interacts with a stator, not shown, of the electric motor.
  • the diffuser 4 is not rotatably mounted in a, the electric motor 1 substantially receiving the motor housing 5.
  • the fan wheel 3 further preferably has an initially substantially perpendicular to the axis of rotation x aligned fan base 6. This is in particular hub-thickened in the central region, for rotationally fixed connection to the rotor shaft. 2
  • impeller blades 7 are formed on the impeller bottom 6, in particular facing away from the electric motor 1. These are further preferred in particular in the embodiment of the impeller 3 from a plastic injection molded part in one piece and of the same material formed with the impeller bottom 6.
  • the Fan blades 7 extend substantially from radially inward to radially outward, in particular up to the edge of the fan wheel base 6, more preferably in this case with respect to a floor plan or a projection on the impeller bottom 6 curved in a circular segment.
  • the impeller blades 7 preferably have a constant height h over their radial longitudinal extent. This preferably corresponds to about 0.1 to 0.3 times the impeller diameter.
  • the impeller blades 7 are further preferably at least largely covered on the side facing away from the impeller bottom 6 by a ceiling part 8.
  • This ceiling part 8 initially has a preferably parallel or substantially parallel to the blower bottom 6 extending ceiling portion 9, in which a central inlet opening 10 is left.
  • the ceiling part 8 is rotatably connected to the impeller 3, rotates accordingly in operation of the electric motor 1 with.
  • the ceiling part 8 further extends at least in radial overlap to the radially outer ends of the fan wheel blades 7, more preferably starting from the ceiling section 9 to beyond the plane of the fan wheel base 6 addition.
  • This radial extension 11 extends with respect to a cross section according to FIG. 2 at an acute angle ⁇ of 5 ° to 15 °, more preferably about 10 ° to an axis parallel. More preferably, the radial extension 11 extends from the ceiling portion 9 to above a level on the impeller bottom 6 addition, which corresponds to about 0.5 to 1 times the impeller blade height h.
  • the radial extension 11 extends in cross section starting from the ceiling portion 9 towards the free end region radially widening.
  • the radial extension 11 merges into a free end region 12.
  • This is, as well as the radial extension 11, in cross section according to FIG. 2 formed elongated rectilinearly, in this case more preferably an angle ⁇ of 40 ° to 60 °, more preferably about 45 ° to 50 ° to an axis parallel enclosing.
  • the free end region 12 extends radially widening starting from the radial extension 11 in the direction of the free end.
  • the length l of the free end region 12 in cross section preferably corresponds to 0.8 to 1.2 times the fan blade height h.
  • the ceiling part 8 with its radial extension 11 and the free end area 12 is designed to be rotationally symmetrical with respect to the axis of rotation x.
  • the free end region 12, moreover also the section of the radial extension 11 projecting beyond the blower bottom 6, are arranged in a preferred embodiment in radial overlap with the diffuser 4, whereby the diffuser 4 can directly also be part of the motor housing 5.
  • the free end portion 12 facing surface of the Motor housing 5 preferably parallel to the facing inner surface of the free end portion 12, whereby substantially the channel 13 extends at an acute angle corresponding to the angle ⁇ sloping radially outward.
  • the resultant gap height in the channel 13 or the width b given thereby transversely to the longitudinal extension of the free end region 12 preferably corresponds to approximately 2% of the largest diameter d of the channel 13
  • FIG. 2 considered length of the channel 13 preferably corresponds to the length of the free end portion 12, more preferably about 9% of the diameter d of the channel thirteenth
  • the channel 13 is designed to be open both radially inward in the direction of the impeller 3 receiving space, as well as circumferentially radially outward. This is followed by the channel 13 an annular, correspondingly circumferential receiving space 14 at.
  • Whose receiving space floor extends in a direction transverse to the axis of rotation x extending plane, which is further spaced from the ceiling portion 9 than the circumferential free edge of the free end portion 12th
  • the receiving space 14 is limited in cross-section on the one hand by the motor housing 5 and an extension of the diffuser 4, further by the hereby preferably integrally formed and uniform material receiving space floor 15 and more preferably by a foot portion of a further preferably fixed motor housing portion 16.
  • This motor housing portion 16 cup-like over the It is further preferred with the other motor housing 5 and / or the diffuser 4 and rotatably connected thereto to the electric motor 1.
  • the motor housing portion 16 further preferably extends the free end portion 12, the radial extension 11 as well as the ceiling portion 9 each substantially (with respect to the inner wall) extending parallel thereto covering, more preferably in vertical projection to the inlet opening 10 of the ceiling part 8 and in the motor housing portion 16, a corresponding inlet opening 17 is formed.
  • the cover part 8 engages with preferably two concentric with each other, the cover part upper side shaped ribs 18 in correspondingly positioned grooves 19 of the motor housing portion 16 a.
  • an outlet opening 20 is further preferably provided, with a preferably circular opening edge edge.
  • the outlet channel 21 is open in the representations to the environment. It may continue to connect to the outlet 21, a hose or the like.
  • a stowage wall-shaped Abteilausformung 22 is provided.
  • This Abteilausformung 22 is preferably made of the radially outer wall of the receiving space 14, protrudes here with the free end radially inward - with respect to the axis of rotation x - before, so that the free end portion a radial distance to the outer wall or to an extension of Outside wall occupies.
  • the compartment formation 22 projects freely into the outlet opening 20, more preferably approximately in the area of an outlet opening central axis, with a preferred diameter of the outlet opening 20 that is at least 1.5 times the radial extent of the receiving room floor 15 corresponds.
  • the radial outer wall of the receiving space 14 extends here correspondingly different from the otherwise concentric alignment with the axis of rotation x (see. FIG. 3 ).
  • the liquid phase is thrown off from the co-rotating, in the flow direction twice conically radially expanded portion 11 into the receiving space 14, wherein the impressed swirl energy is used to promote the liquid phase at the periphery of the receiving space 14 along the outlet opening 20.
  • the liquid phase is deflected by the counter to the flow direction within the receiving space 14 directed Abteilausformung 22 to the outlet opening 20.
  • a multiple orbiting of the liquid phase within the receiving space 14 is counteracted.
  • a multiple circling would lead to a reduction of the swirl energy, whereby the desired position independence of the system would be disturbed.
  • the liquid phase with a relatively small partial air flow (preferably less than 10% of the total sucked
  • the twist is kept so high by the co-rotating cover part 8 that water is prevented from flowing back in the direction of the diffuser 4 along the motor housing side wall of the channel 13.
  • the receiving space 14 is formed spirally with a further preferred embodiment. Further, distributed over the circumference of the receiving space 14 a plurality of outlet openings 20 may be assigned, so for example, two, three, four or more, which may also be radially aligned with respect to the axis of rotation x, beyond preferably also tangentially.
  • the bladed diffuser 4 provided axially behind the fan wheel bottom 6 has an axial distance to the ceiling section 9 which is approximately 0.2 times the fan wheel diameter. It is also preferable to provide an overlap of diffuser 4 and co-rotating cover part 8 present in the axial direction, which overlap preferably corresponds to approximately 0.1 times the fan wheel diameter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP14169375.4A 2013-05-29 2014-05-22 Moteur électrique avec roue de ventilateur Active EP2808553B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013105536.2A DE102013105536A1 (de) 2013-05-29 2013-05-29 Gebläserad

Publications (3)

Publication Number Publication Date
EP2808553A2 true EP2808553A2 (fr) 2014-12-03
EP2808553A3 EP2808553A3 (fr) 2014-12-10
EP2808553B1 EP2808553B1 (fr) 2017-11-22

Family

ID=50774652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14169375.4A Active EP2808553B1 (fr) 2013-05-29 2014-05-22 Moteur électrique avec roue de ventilateur

Country Status (5)

Country Link
EP (1) EP2808553B1 (fr)
JP (1) JP2014231836A (fr)
CN (1) CN104214134B (fr)
DE (1) DE102013105536A1 (fr)
ES (1) ES2654626T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020118595A1 (de) 2020-07-14 2022-01-20 Alfred Kärcher SE & Co. KG Saug-Reinigungsgerät und Verfahren zum Betreiben eines Saug-Reinigungsgeräts

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015213006A1 (de) * 2015-07-10 2017-01-12 Mahle International Gmbh Gebläseanordnung
CN112867869B (zh) * 2018-11-23 2023-09-29 依必安-派特圣乔根有限责任两合公司 径流式风扇
WO2020253093A1 (fr) * 2019-06-20 2020-12-24 苏州工业园区星德胜电机有限公司 Ventilateur à double usage sec et humide à haut rendement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014624A1 (de) 2008-03-17 2009-09-24 Vorwerk & Co. Interholding Gmbh Elektromotor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353672U (fr) * 1976-10-11 1978-05-09
JPS57137689A (en) * 1981-02-18 1982-08-25 Matsushita Electric Ind Co Ltd Blower
JPS61101698U (fr) * 1984-12-10 1986-06-28
JPH0353693Y2 (fr) * 1985-04-01 1991-11-25
JPS63192988A (ja) * 1987-02-05 1988-08-10 Tokyo Electric Co Ltd 電動送風機
JPS63215897A (ja) * 1987-03-03 1988-09-08 Matsushita Electric Ind Co Ltd 電動送風機
JPH08219091A (ja) * 1995-02-17 1996-08-27 Matsushita Electric Ind Co Ltd 電動ポンプ装置
JP4419204B2 (ja) * 1999-02-04 2010-02-24 パナソニック株式会社 電動送風機
JP4669165B2 (ja) * 2001-07-03 2011-04-13 株式会社クラコ オイルミスト除去装置
US7191613B2 (en) * 2002-05-08 2007-03-20 Lg Electronics Inc. Turbo fan and air conditioner having the same applied thereto
JP3984598B2 (ja) * 2004-02-20 2007-10-03 株式会社クラコ ファン装置
DE102005047457A1 (de) * 2004-10-01 2006-04-13 Wss Gmbh Vorrichtung zur Garraum-Klimareinigung in Form eines Lüfterrades
JP4700414B2 (ja) * 2005-06-02 2011-06-15 本田技研工業株式会社 空冷内燃機関用多翼ファン
KR20090127353A (ko) * 2007-04-05 2009-12-10 보르그워너 인코퍼레이티드 링 팬 및 쉬라우드 에어 가이드 시스템
DE102007019264A1 (de) * 2007-04-24 2008-11-06 Man Turbo Ag Filtervorrichtung
DE102008014642A1 (de) 2008-03-17 2009-09-24 Linde Material Handling Gmbh Flurförderzeug
EP2143958A1 (fr) * 2008-07-07 2010-01-13 Josip Pavetic Ventilateur installé dans un tuyau
JP5600877B2 (ja) * 2009-02-06 2014-10-08 パナソニック株式会社 電動送風機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014624A1 (de) 2008-03-17 2009-09-24 Vorwerk & Co. Interholding Gmbh Elektromotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020118595A1 (de) 2020-07-14 2022-01-20 Alfred Kärcher SE & Co. KG Saug-Reinigungsgerät und Verfahren zum Betreiben eines Saug-Reinigungsgeräts
WO2022012957A1 (fr) 2020-07-14 2022-01-20 Alfred Kärcher SE & Co. KG Appareil de nettoyage par aspiration et son procédé de fonctionnement

Also Published As

Publication number Publication date
DE102013105536A1 (de) 2014-12-04
ES2654626T3 (es) 2018-02-14
JP2014231836A (ja) 2014-12-11
CN104214134B (zh) 2018-04-10
EP2808553A3 (fr) 2014-12-10
EP2808553B1 (fr) 2017-11-22
CN104214134A (zh) 2014-12-17

Similar Documents

Publication Publication Date Title
DE69925071T2 (de) Kreisellüftereinheit für ein Kraftfahrzeug
EP2677174B1 (fr) Roue de ventilateur et moteur électrique
DE69023699T2 (de) Selbstansaugende Kreiselpumpe.
DE102012110765A1 (de) Saugreinigungsgerät, Flüssigkeitsabscheider und Verfahren zur Flüssigkeitsabscheidung
DE2551614A1 (de) Axial kurzer axialventilator
DE19946187A1 (de) Transportables Gebläse für fliessfähige Medien
EP2495444A2 (fr) Pompe
EP2808553B1 (fr) Moteur électrique avec roue de ventilateur
EP0215476B1 (fr) Meuleur rotatif avec dispositif d'aspiration de la poussière
DE60006427T2 (de) Trennvorrichtung für staubsauger
DE2035380A1 (de) Staubsauger mit einem von einem Elektro motor angetriebenen Sauggeblase
DE3315477C2 (de) Staubabscheider
WO2014090559A2 (fr) Dispositif de pompage comportant un élément de guidage d'écoulement
AT514319B1 (de) Unterwasserreiniger
EP2740942A2 (fr) Ventilateur médical ou dentaire
DE2950060C2 (fr)
WO2001012298A1 (fr) Dispositif destine a separer des particules d'un fluide
EP2458225A1 (fr) Plaque de recouvrement pour une pompe de roue centrifuge à vis et pompe de roue centrifuge à vis comprenant une telle plaque de recouvrement
EP2940311B1 (fr) Ventilateur radial présentant une géométrie de bord d'attaque améliorée
DE19626896C2 (de) Lüfter
DE1503854B1 (de) Motorgeblaeseeinheit,vorzugsweise fuer Staubsauger
DE19612923B4 (de) Lüfter
DE19709193B4 (de) Radialventilator
AT408525B (de) Vorrichtung zum trocknen und reinigen von kleinstückigem gut, insbesondere von zerkleinertenkunststoffabfällen
DE102011087453A1 (de) Staubsauger

Legal Events

Date Code Title Description
PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140522

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/70 20060101ALI20141104BHEP

Ipc: F04D 31/00 20060101ALN20141104BHEP

Ipc: F04D 29/28 20060101AFI20141104BHEP

R17P Request for examination filed (corrected)

Effective date: 20150515

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 31/00 20060101ALN20170531BHEP

Ipc: F04D 29/70 20060101ALI20170531BHEP

Ipc: F04D 29/28 20060101AFI20170531BHEP

INTG Intention to grant announced

Effective date: 20170616

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 948679

Country of ref document: AT

Kind code of ref document: T

Effective date: 20171215

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502014006300

Country of ref document: DE

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2654626

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20180214

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20171122

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180222

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180223

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180222

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502014006300

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20180823

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20180522

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20180531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180522

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180522

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180522

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20140522

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171122

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180322

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CZ

Payment date: 20200515

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20200515

Year of fee payment: 7

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 948679

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210522

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210522

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210522

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230517

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230531

Year of fee payment: 10

Ref country code: FR

Payment date: 20230517

Year of fee payment: 10

Ref country code: ES

Payment date: 20230621

Year of fee payment: 10

Ref country code: DE

Payment date: 20230519

Year of fee payment: 10

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502014006300

Country of ref document: DE