GB2406223B - A rotor assembly - Google Patents

A rotor assembly

Info

Publication number
GB2406223B
GB2406223B GB0322842A GB0322842A GB2406223B GB 2406223 B GB2406223 B GB 2406223B GB 0322842 A GB0322842 A GB 0322842A GB 0322842 A GB0322842 A GB 0322842A GB 2406223 B GB2406223 B GB 2406223B
Authority
GB
United Kingdom
Prior art keywords
rotor assembly
rotor
assembly
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.)
Expired - Fee Related
Application number
GB0322842A
Other versions
GB2406223A (en
GB0322842D0 (en
Inventor
Peter Lee Crossley
Matthew John Childe
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.)
Dyson Technology Ltd
Original Assignee
Dyson Technology Ltd
Dyson Ltd
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 Dyson Technology Ltd, Dyson Ltd filed Critical Dyson Technology Ltd
Publication of GB0322842D0 publication Critical patent/GB0322842D0/en
Priority to MYPI20043705A priority Critical patent/MY137487A/en
Priority to PCT/GB2004/004002 priority patent/WO2005029687A1/en
Priority to CN2004800268630A priority patent/CN1853333B/en
Priority to US10/572,053 priority patent/US7786628B2/en
Priority to EP04768548A priority patent/EP1680858B1/en
Priority to AT04768548T priority patent/ATE367678T1/en
Priority to JP2006526697A priority patent/JP4668196B2/en
Priority to DE602004007679T priority patent/DE602004007679T2/en
Publication of GB2406223A publication Critical patent/GB2406223A/en
Application granted granted Critical
Publication of GB2406223B publication Critical patent/GB2406223B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
    • F16C27/066—Ball or roller bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16—Centering rotors within the stator; Balancing rotors
    • H02K15/165—Balancing the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/10—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using light effect devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04—Balancing 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
    • F04D29/66—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
    • F04D29/662—Balancing of rotors
    • 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
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2314/00—Personal or domestic articles, e.g. household appliances such as washing machines, dryers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16—Centering rotors within the stator; Balancing rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Brushless Motors (AREA)
  • Synchronous Machinery (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB0322842A 2003-09-19 2003-09-30 A rotor assembly Expired - Fee Related GB2406223B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
MYPI20043705A MY137487A (en) 2003-09-19 2004-09-13 A rotor assembly
EP04768548A EP1680858B1 (en) 2003-09-19 2004-09-17 A rotor assembly
CN2004800268630A CN1853333B (en) 2003-09-19 2004-09-17 A rotor assembly
US10/572,053 US7786628B2 (en) 2003-09-19 2004-09-17 Rotor assembly with balancing member
PCT/GB2004/004002 WO2005029687A1 (en) 2003-09-19 2004-09-17 A rotor assembly
AT04768548T ATE367678T1 (en) 2003-09-19 2004-09-17 ROTOR ASSEMBLY
JP2006526697A JP4668196B2 (en) 2003-09-19 2004-09-17 Rotor assembly
DE602004007679T DE602004007679T2 (en) 2003-09-19 2004-09-17 ROTOR ASSEMBLY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0321951A GB2406147A (en) 2003-09-19 2003-09-19 A rotor assembly

Publications (3)

Publication Number Publication Date
GB0322842D0 GB0322842D0 (en) 2003-10-29
GB2406223A GB2406223A (en) 2005-03-23
GB2406223B true GB2406223B (en) 2006-11-29

Family

ID=29266280

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0321951A Withdrawn GB2406147A (en) 2003-09-19 2003-09-19 A rotor assembly
GB0322842A Expired - Fee Related GB2406223B (en) 2003-09-19 2003-09-30 A rotor assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0321951A Withdrawn GB2406147A (en) 2003-09-19 2003-09-19 A rotor assembly

Country Status (6)

Country Link
EP (1) EP1680856A1 (en)
JP (1) JP2007506399A (en)
CN (2) CN1853333B (en)
GB (2) GB2406147A (en)
MY (1) MY137487A (en)
WO (1) WO2005029680A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080276413A1 (en) * 2007-03-06 2008-11-13 Kurt Clarence Adelman Integral Vacuum Fan Housing
WO2010042563A2 (en) 2008-10-06 2010-04-15 Shop Vac Corporation Vacuum assembly for automobile
CN101697432B (en) * 2009-10-30 2011-10-05 上海博泽电机有限公司 Elastic component for adjusting axial clearance of motor
JP5993569B2 (en) * 2011-11-14 2016-09-14 ミネベア株式会社 Linear actuator
JP5973839B2 (en) 2012-08-21 2016-08-23 株式会社荏原製作所 Vacuum pump motor and vacuum pump equipped with the same
DE102014204608A1 (en) 2014-03-12 2015-09-17 BSH Hausgeräte GmbH vacuum cleaner fan
DE102014215275A1 (en) * 2014-08-04 2016-02-04 Volkswagen Aktiengesellschaft Method for reducing or eliminating imbalances of electrical machines
DE102018133290A1 (en) * 2018-12-21 2020-06-25 Bühler Motor GmbH Electric motor
DE102019110714B3 (en) * 2019-04-25 2020-07-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Electric machine rotor and method of manufacturing the same
CN110307262B (en) * 2019-07-12 2020-10-16 安徽省华腾农业科技有限公司经开区分公司 Ceramic bearing
GB2608836C (en) * 2021-07-13 2024-06-05 Dyson Technology Ltd A brushless motor
US20240245190A1 (en) 2023-01-19 2024-07-25 Sharkninja Operating Llc Identification of hair care appliance attachments

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419894A (en) * 1980-08-02 1983-12-13 Kokusai Company, Ltd. Detection of angular location of unbalance of a rotor and positioning of the location to a predetermined angular position
US4969797A (en) * 1989-03-22 1990-11-13 Matsushita Electric Industrial Co., Ltd. Fan motor
JPH04340353A (en) * 1991-05-16 1992-11-26 Nippon Densan Corp Motor with frequency generator
EP0905862A2 (en) * 1997-09-30 1999-03-31 General Electric Company Rotor end cap
EP0911537A1 (en) * 1997-05-07 1999-04-28 Fanuc Ltd Rotary body construction
US6351043B1 (en) * 1999-07-02 2002-02-26 Interelectric Ag Dynamically balanced small electric motor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1320919A (en) * 1962-02-02 1963-03-15 Suspension device for electric motor rotor
US3264503A (en) * 1965-04-05 1966-08-02 Sandoz Ltd High speed electric motors
US3897985A (en) * 1972-12-04 1975-08-05 Sperry Rand Corp Aligning means for bearings
GB1458047A (en) * 1973-11-20 1976-12-08 Atomic Energy Authority Uk Bearings and journal assemblies process for preparing aryl-substituted pyridones
IT1034733B (en) * 1974-04-11 1979-10-10 Teldix Gmbh ELECTRIC MACHINE
US3998505A (en) * 1974-08-19 1976-12-21 C. L. Frost & Son, Inc. Bearing housing assembly and method thereof
JPS6253154A (en) * 1985-03-29 1987-03-07 Hitachi Ltd Support structure of shaft for rotary body revolving at high speed
GB2211897B (en) * 1987-10-30 1991-06-12 Volkswagen Ag Eccentric drive for a rotary mass
US4893044A (en) * 1987-11-20 1990-01-09 Copeland Corporation Rotor balancing
US5089736A (en) * 1991-04-29 1992-02-18 Ford Motor Company Automatic end play adjustment of motor armature assembly
DE19608267C1 (en) * 1996-03-05 1997-03-06 Skf Textilmasch Komponenten Open-end spinning rotor direct driven by axial field motor
JPH1037950A (en) * 1996-07-26 1998-02-13 Nippon Electric Ind Co Ltd Bearing structure for electric tool
GB9818098D0 (en) * 1998-08-19 1998-10-14 Corac Group Plc Improvements in or relating to bearings
GB0202841D0 (en) * 2002-02-07 2002-03-27 Johnson Electric Sa Blower motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419894A (en) * 1980-08-02 1983-12-13 Kokusai Company, Ltd. Detection of angular location of unbalance of a rotor and positioning of the location to a predetermined angular position
US4969797A (en) * 1989-03-22 1990-11-13 Matsushita Electric Industrial Co., Ltd. Fan motor
JPH04340353A (en) * 1991-05-16 1992-11-26 Nippon Densan Corp Motor with frequency generator
EP0911537A1 (en) * 1997-05-07 1999-04-28 Fanuc Ltd Rotary body construction
EP0905862A2 (en) * 1997-09-30 1999-03-31 General Electric Company Rotor end cap
US6351043B1 (en) * 1999-07-02 2002-02-26 Interelectric Ag Dynamically balanced small electric motor

Also Published As

Publication number Publication date
CN1853333A (en) 2006-10-25
CN1853333B (en) 2011-05-25
GB0321951D0 (en) 2003-10-22
MY137487A (en) 2009-02-27
WO2005029680A1 (en) 2005-03-31
CN1853331A (en) 2006-10-25
EP1680856A1 (en) 2006-07-19
JP2007506399A (en) 2007-03-15
GB2406223A (en) 2005-03-23
GB2406147A (en) 2005-03-23
GB0322842D0 (en) 2003-10-29

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: DYSON TECHNOLOGY LIMITED

Free format text: FORMER APPLICANT(S): DYSON LIMITED

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080930