GB2406147A - A rotor assembly - Google Patents

A rotor assembly Download PDF

Info

Publication number
GB2406147A
GB2406147A GB0321951A GB0321951A GB2406147A GB 2406147 A GB2406147 A GB 2406147A GB 0321951 A GB0321951 A GB 0321951A GB 0321951 A GB0321951 A GB 0321951A GB 2406147 A GB2406147 A GB 2406147A
Authority
GB
United Kingdom
Prior art keywords
rotor assembly
rotor
shaft
bearings
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.)
Withdrawn
Application number
GB0321951A
Other languages
English (en)
Other versions
GB0321951D0 (en
Inventor
Matthew John Childe
Peter Lee Crossley
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
Priority to GB0321951A priority Critical patent/GB2406147A/en
Priority to GB0322842A priority patent/GB2406223B/en
Publication of GB0321951D0 publication Critical patent/GB0321951D0/en
Priority to MYPI20043705A priority patent/MY137487A/en
Priority to US10/572,053 priority patent/US7786628B2/en
Priority to JP2006526698A priority patent/JP2007506399A/ja
Priority to JP2006526697A priority patent/JP4668196B2/ja
Priority to PCT/GB2004/004002 priority patent/WO2005029687A1/en
Priority to EP04768548A priority patent/EP1680858B1/en
Priority to AT04768548T priority patent/ATE367678T1/de
Priority to DE602004007679T priority patent/DE602004007679T2/de
Priority to CNA2004800271116A priority patent/CN1853331A/zh
Priority to EP04768550A priority patent/EP1680856A1/en
Priority to CN2004800268630A priority patent/CN1853333B/zh
Priority to PCT/GB2004/004004 priority patent/WO2005029680A1/en
Publication of GB2406147A publication Critical patent/GB2406147A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F04D29/66—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
    • 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
    • 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
    • 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
    • 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
    • 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
    • H02K5/24—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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (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)
GB0321951A 2003-09-19 2003-09-19 A rotor assembly Withdrawn GB2406147A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB0321951A GB2406147A (en) 2003-09-19 2003-09-19 A rotor assembly
GB0322842A GB2406223B (en) 2003-09-19 2003-09-30 A rotor assembly
MYPI20043705A MY137487A (en) 2003-09-19 2004-09-13 A rotor assembly
PCT/GB2004/004004 WO2005029680A1 (en) 2003-09-19 2004-09-17 A rotor assembly
PCT/GB2004/004002 WO2005029687A1 (en) 2003-09-19 2004-09-17 A rotor assembly
JP2006526698A JP2007506399A (ja) 2003-09-19 2004-09-17 ローターアセンブリ
JP2006526697A JP4668196B2 (ja) 2003-09-19 2004-09-17 ローターアセンブリ
US10/572,053 US7786628B2 (en) 2003-09-19 2004-09-17 Rotor assembly with balancing member
EP04768548A EP1680858B1 (en) 2003-09-19 2004-09-17 A rotor assembly
AT04768548T ATE367678T1 (de) 2003-09-19 2004-09-17 Rotorbaugruppe
DE602004007679T DE602004007679T2 (de) 2003-09-19 2004-09-17 Rotorbaugruppe
CNA2004800271116A CN1853331A (zh) 2003-09-19 2004-09-17 转子组件
EP04768550A EP1680856A1 (en) 2003-09-19 2004-09-17 A rotor assembly
CN2004800268630A CN1853333B (zh) 2003-09-19 2004-09-17 转子组件

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB0321951D0 GB0321951D0 (en) 2003-10-22
GB2406147A true GB2406147A (en) 2005-03-23

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 After (1)

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

Country Status (6)

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

Families Citing this family (11)

* 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
WO2010042187A1 (en) 2008-10-06 2010-04-15 Shop Vac Corporation System and method of controlling start-up of a switched reluctance motor
CN101697432B (zh) * 2009-10-30 2011-10-05 上海博泽电机有限公司 用于电机轴向间隙调整的弹性件
JP5993569B2 (ja) * 2011-11-14 2016-09-14 ミネベア株式会社 リニアアクチュエータ
JP5973839B2 (ja) * 2012-08-21 2016-08-23 株式会社荏原製作所 真空ポンプ用モータ及びこれを備える真空ポンプ
DE102014204608A1 (de) 2014-03-12 2015-09-17 BSH Hausgeräte GmbH Staubsaugergebläse
DE102014215275A1 (de) * 2014-08-04 2016-02-04 Volkswagen Aktiengesellschaft Verfahren zur Verringerung oder Beseitigung von Unwuchten elektrischer Maschinen
DE102018133290A1 (de) * 2018-12-21 2020-06-25 Bühler Motor GmbH Elektromotor
DE102019110714B3 (de) * 2019-04-25 2020-07-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Läufer einer elektrischen Maschine und Verfahren zum Herstellen desselben
CN110307262B (zh) * 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 一种陶瓷轴承
GB2608836B (en) * 2021-07-13 2024-05-15 Dyson Technology Ltd A brushless motor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB1500955A (en) * 1974-04-11 1978-02-15 Teldix Gmbh Electrical machine
JPS6253154A (ja) * 1985-03-29 1987-03-07 Hitachi Ltd 高速回転体の軸支持構造
US5089736A (en) * 1991-04-29 1992-02-18 Ford Motor Company Automatic end play adjustment of motor armature assembly
JPH1037950A (ja) * 1996-07-26 1998-02-13 Nippon Electric Ind Co Ltd 電動工具の軸受け構造
US5802837A (en) * 1996-03-05 1998-09-08 Sfk Textilmaschinen-Komponenten Gmbh Driving bearing device for spinning rotors of open end spinning machines
WO2000011360A1 (en) * 1998-08-19 2000-03-02 Corac Group Plc Hydrodynamic journal bearing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1320919A (fr) * 1962-02-02 1963-03-15 Dispositif de suspension pour rotor de moteur électrique
US3264503A (en) * 1965-04-05 1966-08-02 Sandoz Ltd High speed electric motors
US3998505A (en) * 1974-08-19 1976-12-21 C. L. Frost & Son, Inc. Bearing housing assembly and method thereof
JPS5730924A (en) * 1980-08-02 1982-02-19 Kokusai Keisokki Kk Device for automatically positioning unbalanced point
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
US4969797A (en) * 1989-03-22 1990-11-13 Matsushita Electric Industrial Co., Ltd. Fan motor
JPH04340353A (ja) * 1991-05-16 1992-11-26 Nippon Densan Corp 周波数発電機付きモータ装置
JPH10311375A (ja) * 1997-05-07 1998-11-24 Fanuc Ltd 回転体構造
US5831358A (en) * 1997-09-30 1998-11-03 General Electric Company Rotor end cap
DE19930602A1 (de) * 1999-07-02 2001-01-11 Interelectric Ag Sachseln Dynamisch ausgewuchteter Elektrokleinmotor
GB0202841D0 (en) * 2002-02-07 2002-03-27 Johnson Electric Sa Blower motor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB1500955A (en) * 1974-04-11 1978-02-15 Teldix Gmbh Electrical machine
JPS6253154A (ja) * 1985-03-29 1987-03-07 Hitachi Ltd 高速回転体の軸支持構造
US5089736A (en) * 1991-04-29 1992-02-18 Ford Motor Company Automatic end play adjustment of motor armature assembly
US5802837A (en) * 1996-03-05 1998-09-08 Sfk Textilmaschinen-Komponenten Gmbh Driving bearing device for spinning rotors of open end spinning machines
JPH1037950A (ja) * 1996-07-26 1998-02-13 Nippon Electric Ind Co Ltd 電動工具の軸受け構造
WO2000011360A1 (en) * 1998-08-19 2000-03-02 Corac Group Plc Hydrodynamic journal bearing

Also Published As

Publication number Publication date
WO2005029680A1 (en) 2005-03-31
GB0322842D0 (en) 2003-10-29
MY137487A (en) 2009-02-27
CN1853333A (zh) 2006-10-25
EP1680856A1 (en) 2006-07-19
CN1853333B (zh) 2011-05-25
JP2007506399A (ja) 2007-03-15
GB2406223B (en) 2006-11-29
GB2406223A (en) 2005-03-23
CN1853331A (zh) 2006-10-25
GB0321951D0 (en) 2003-10-22

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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

WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)