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EP2000070A3 - Motor blower and electric vacuum cleaner using same - Google Patents

Motor blower and electric vacuum cleaner using same Download PDF

Info

Publication number
EP2000070A3
EP2000070A3 EP08251979A EP08251979A EP2000070A3 EP 2000070 A3 EP2000070 A3 EP 2000070A3 EP 08251979 A EP08251979 A EP 08251979A EP 08251979 A EP08251979 A EP 08251979A EP 2000070 A3 EP2000070 A3 EP 2000070A3
Authority
EP
European Patent Office
Prior art keywords
blower
motor
end portion
vacuum cleaner
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
EP08251979A
Other languages
German (de)
French (fr)
Other versions
EP2000070A2 (en
EP2000070B1 (en
Inventor
Go c/o Intellectual Property Division Oshikiri
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.)
Toshiba Corp
Toshiba Lifestyle Products and Services Corp
Original Assignee
Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
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 Toshiba Corp, Toshiba Consumer Electronics Holdings Corp, Toshiba Home Appliances Corp filed Critical Toshiba Corp
Publication of EP2000070A2 publication Critical patent/EP2000070A2/en
Publication of EP2000070A3 publication Critical patent/EP2000070A3/en
Application granted granted Critical
Publication of EP2000070B1 publication Critical patent/EP2000070B1/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • 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
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • 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
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • 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
    • F04D29/288—Part of the wheel having an ejecting effect, e.g. being bladeless diffuser
    • 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
    • F04D29/30—Vanes
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electric Suction Cleaners (AREA)

Abstract

A motor blower (1) includes an electric motor (4) having a rotating shaft (3), a centrifugal blower (2) having a plurality of blower blades (34) and attached to the rotating shaft (3) of the electric motor (4), and a diffuser (21) having a plurality of diffuser blades (25) each of which is positioned at an outer peripheral portion of the centrifugal blower (21) so as to be opposed to air outlet portions formed to a circumferential surface of the centrifugal blower (21). Each of the blower blades (34) has a front end portion (34b) which is formed to almost linearly incline from one end portion toward another end portion of the blower blade (34). Due to the above structure, the motor blower (2) and the electric vacuum cleaner using the motor blower (2) can suppress or reduce a generation of abnormal noise even under operational conditions of low airflow rate and high frequency region.
EP08251979A 2007-06-07 2008-06-06 Motor blower and electric vacuum cleaner using same Ceased EP2000070B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007151937A JP2008303793A (en) 2007-06-07 2007-06-07 Electric blower, electric vacuum cleaner using the same

Publications (3)

Publication Number Publication Date
EP2000070A2 EP2000070A2 (en) 2008-12-10
EP2000070A3 true EP2000070A3 (en) 2009-10-14
EP2000070B1 EP2000070B1 (en) 2012-02-01

Family

ID=39711952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08251979A Ceased EP2000070B1 (en) 2007-06-07 2008-06-06 Motor blower and electric vacuum cleaner using same

Country Status (5)

Country Link
EP (1) EP2000070B1 (en)
JP (1) JP2008303793A (en)
KR (1) KR20080108021A (en)
CN (1) CN101319682A (en)
RU (1) RU2388400C2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9089248B2 (en) * 2009-02-16 2015-07-28 Samsung Electronics Co., Ltd. Fan motor apparatus having diffuser unit for vacuum cleaner
JP5316192B2 (en) * 2009-04-16 2013-10-16 パナソニック株式会社 Electric blower and electric vacuum cleaner using the same.
DE102012211250A1 (en) * 2012-06-29 2014-01-02 BSH Bosch und Siemens Hausgeräte GmbH Vacuum cleaner fan and vacuum cleaner with a vacuum cleaner fan
WO2017003134A1 (en) * 2015-06-30 2017-01-05 삼성전자주식회사 Cleaner
JP2017012731A (en) 2015-06-30 2017-01-19 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． Electric vacuum cleaner
CN105065323A (en) * 2015-07-23 2015-11-18 韦江华 Whirly impeller with sealing structure
US10448797B2 (en) 2016-10-19 2019-10-22 Tti (Macao Commercial Offshore) Limited Vacuum cleaner
PL247115B1 (en) * 2022-09-09 2025-05-19 Wroblewski Andrzej Przed Techniczno Handlowe Energowent Radial fan

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7015615A (en) * 1970-10-24 1972-04-26
JPS52112507U (en) * 1976-02-24 1977-08-26
US20050169750A1 (en) * 2004-02-03 2005-08-04 Lg Electronics Inc. Air-blowing apparatus of cleaner
EP1669014A2 (en) * 2004-12-09 2006-06-14 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner impeller and motor assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224078A (en) * 1963-09-30 1965-12-21 Ruth D Mayne Method of making a turbine type blower wheel
JP2002115698A (en) 2000-10-10 2002-04-19 Matsushita Electric Ind Co Ltd Electric blower and vacuum cleaner using the same
KR100457551B1 (en) * 2001-12-19 2004-11-17 엘지전자 주식회사 The centrifugal blower for a cleaner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7015615A (en) * 1970-10-24 1972-04-26
JPS52112507U (en) * 1976-02-24 1977-08-26
US20050169750A1 (en) * 2004-02-03 2005-08-04 Lg Electronics Inc. Air-blowing apparatus of cleaner
EP1669014A2 (en) * 2004-12-09 2006-06-14 Samsung Gwangju Electronics Co., Ltd. Vacuum cleaner impeller and motor assembly

Also Published As

Publication number Publication date
RU2008122877A (en) 2009-12-20
KR20080108021A (en) 2008-12-11
JP2008303793A (en) 2008-12-18
EP2000070A2 (en) 2008-12-10
RU2388400C2 (en) 2010-05-10
CN101319682A (en) 2008-12-10
EP2000070B1 (en) 2012-02-01

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