WO2012103053A3 - Diffuser for a vacuum cleaner motor-fan assembly - Google Patents

Diffuser for a vacuum cleaner motor-fan assembly Download PDF

Info

Publication number
WO2012103053A3
WO2012103053A3 PCT/US2012/022301 US2012022301W WO2012103053A3 WO 2012103053 A3 WO2012103053 A3 WO 2012103053A3 US 2012022301 W US2012022301 W US 2012022301W WO 2012103053 A3 WO2012103053 A3 WO 2012103053A3
Authority
WO
WIPO (PCT)
Prior art keywords
diffuser
fan assembly
vacuum cleaner
fan
motor
Prior art date
Application number
PCT/US2012/022301
Other languages
French (fr)
Other versions
WO2012103053A2 (en
Inventor
Steven W. Kegg
Original Assignee
Techtronic Floor Care Technology Limited
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 Techtronic Floor Care Technology Limited filed Critical Techtronic Floor Care Technology Limited
Priority to CN201280002463.0A priority Critical patent/CN103533872A/en
Priority to GB1300728.1A priority patent/GB2495047A/en
Publication of WO2012103053A2 publication Critical patent/WO2012103053A2/en
Publication of WO2012103053A3 publication Critical patent/WO2012103053A3/en

Links

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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto

Abstract

A motor-fan assembly for a vacuum cleaner configured to remove debris from a surface. The motor-fan assembly includes a fan, a motor including an output shaft coupled to the fan, the motor operable to rotate the fan, and a diffuser. The diffuser includes a disc, a wall that surrounds the disc, and a plurality of vanes that are coupled to an outer surface of the wall and extend radially outward from the outer surface of the wall.
PCT/US2012/022301 2011-01-25 2012-01-24 Diffuser for a vacuum cleaner motor-fan assembly WO2012103053A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280002463.0A CN103533872A (en) 2011-01-25 2012-01-24 Diffuser for a vacuum cleaner motor-fan assembly
GB1300728.1A GB2495047A (en) 2011-01-25 2012-01-24 Diffuser for a vacuum cleaner motor-fan assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/013,530 2011-01-25
US13/013,530 US20120186036A1 (en) 2011-01-25 2011-01-25 Diffuser for a vacuum cleaner motor-fan assembly

Publications (2)

Publication Number Publication Date
WO2012103053A2 WO2012103053A2 (en) 2012-08-02
WO2012103053A3 true WO2012103053A3 (en) 2012-11-29

Family

ID=46543010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/022301 WO2012103053A2 (en) 2011-01-25 2012-01-24 Diffuser for a vacuum cleaner motor-fan assembly

Country Status (4)

Country Link
US (1) US20120186036A1 (en)
CN (1) CN103533872A (en)
GB (1) GB2495047A (en)
WO (1) WO2012103053A2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2765893B1 (en) * 2011-10-13 2016-11-30 Aktiebolaget Electrolux Vacuum cleaner
CN104088812B (en) * 2013-04-01 2017-05-17 苏州三星电子有限公司 Axial-flow fan
KR102171271B1 (en) * 2013-12-24 2020-10-28 삼성전자주식회사 Cleaner
US9757000B2 (en) 2013-12-24 2017-09-12 Samsung Electronics Co., Ltd. Cleaning device
US10517448B2 (en) * 2015-05-29 2019-12-31 Nidec Corporation Blower apparatus and vacuum cleaner
JP6717315B2 (en) * 2015-09-10 2020-07-01 日本電産株式会社 Blower and vacuum cleaner
WO2017181331A1 (en) * 2016-04-19 2017-10-26 邢皓宇 Vehicle mounted vacuum cleaner
CN105725914A (en) * 2016-04-19 2016-07-06 邢皓宇 Vehicle-mounted dust collector
DE102017215261B4 (en) * 2017-08-31 2020-12-24 BSH Hausgeräte GmbH BLOWER FOR AN ELECTRICAL DEVICE
CN114040698A (en) * 2019-07-08 2022-02-11 伊莱克斯公司 Hand-held vacuum cleaner and vacuum cleaner comprising a hand-held vacuum cleaner
US20210175772A1 (en) * 2019-12-05 2021-06-10 Sharkninja Operating Llc Techniques for sub-micron radial alignment of electric motor components and air flow management to extend motor lifespan
CN113074144B (en) * 2020-01-06 2023-01-20 广东威灵电机制造有限公司 Diffuser, axial air supply device and dust collector
US20230011063A1 (en) * 2021-07-09 2023-01-12 Techtronic Cordless Gp Vacuum cleaner impeller and diffuser
KR20230105100A (en) * 2022-01-03 2023-07-11 삼성전자주식회사 Vacuum cleaner
GB2622028A (en) * 2022-08-31 2024-03-06 Dyson Technology Ltd Drive system for a floor cleaner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148473A (en) * 1999-04-06 2000-11-21 Oreck Holdings, Llc Balanced flow vacuum cleaner
US20030147747A1 (en) * 2002-02-07 2003-08-07 Tam Siu Chun Blower motor
US20040231090A1 (en) * 2003-05-20 2004-11-25 Toshiba Tec Kabushiki Kaisha Electric blower and electric apparatus equipped therewith
KR20060007637A (en) * 2004-07-20 2006-01-26 엘지전자 주식회사 Guide vane structure of fan-motor for vacuum cleaner
JP2011229746A (en) * 2010-04-28 2011-11-17 Sanyo Electric Co Ltd Electric fan and vacuum cleaner

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123284A (en) * 1964-03-03 greenawalt
US3675268A (en) * 1970-05-19 1972-07-11 Whirlpool Co Vacuum cleaner
US3883264A (en) * 1971-04-08 1975-05-13 Gadicherla V R Rao Quiet fan with non-radial elements
JPS6229799A (en) * 1985-07-30 1987-02-07 Mitsubishi Electric Corp Electrically-driven blower
JPH11193798A (en) * 1997-12-26 1999-07-21 Matsushita Electric Ind Co Ltd Fan unit
GB2344778A (en) * 1998-12-18 2000-06-21 Notetry Ltd Cyclonic separator and fan combination
US6457955B1 (en) * 2001-01-10 2002-10-01 Yen Sun Technology Corp. Composite heat dissipation fan
US7293324B2 (en) * 2003-09-19 2007-11-13 Techtronic Industries Co., Ltd. Vacuum cleaner with level control
US7725223B2 (en) * 2003-09-30 2010-05-25 Techtronic Floor Care Technology Limited Control arrangement for a propulsion unit for a self-propelled floor care appliance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148473A (en) * 1999-04-06 2000-11-21 Oreck Holdings, Llc Balanced flow vacuum cleaner
US20030147747A1 (en) * 2002-02-07 2003-08-07 Tam Siu Chun Blower motor
US20040231090A1 (en) * 2003-05-20 2004-11-25 Toshiba Tec Kabushiki Kaisha Electric blower and electric apparatus equipped therewith
KR20060007637A (en) * 2004-07-20 2006-01-26 엘지전자 주식회사 Guide vane structure of fan-motor for vacuum cleaner
JP2011229746A (en) * 2010-04-28 2011-11-17 Sanyo Electric Co Ltd Electric fan and vacuum cleaner

Also Published As

Publication number Publication date
CN103533872A (en) 2014-01-22
US20120186036A1 (en) 2012-07-26
GB2495047A (en) 2013-03-27
WO2012103053A2 (en) 2012-08-02
GB201300728D0 (en) 2013-02-27

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