GB2417616B - A motor without bearing - Google Patents

A motor without bearing

Info

Publication number
GB2417616B
GB2417616B GB0523430A GB0523430A GB2417616B GB 2417616 B GB2417616 B GB 2417616B GB 0523430 A GB0523430 A GB 0523430A GB 0523430 A GB0523430 A GB 0523430A GB 2417616 B GB2417616 B GB 2417616B
Authority
GB
United Kingdom
Prior art keywords
bearing
motor
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
GB0523430A
Other versions
GB0523430D0 (en
GB2417616A (en
Inventor
Leelong Chen
Shihming Huang
Sean Chang
Wenshi Huang
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.)
Delta Electronics Inc
Original Assignee
Delta Electronics Inc
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 Delta Electronics Inc filed Critical Delta Electronics Inc
Publication of GB0523430D0 publication Critical patent/GB0523430D0/en
Publication of GB2417616A publication Critical patent/GB2417616A/en
Application granted granted Critical
Publication of GB2417616B publication Critical patent/GB2417616B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • 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
    • H02K7/08—Structural association with bearings
    • 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
    • H02K7/08—Structural association with bearings
    • H02K7/083—Structural association with 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
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic 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
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
GB0523430A 2003-09-22 2003-09-22 A motor without bearing Expired - Fee Related GB2417616B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2003/000804 WO2005029684A1 (en) 2003-09-22 2003-09-22 A motor without bearing

Publications (3)

Publication Number Publication Date
GB0523430D0 GB0523430D0 (en) 2005-12-28
GB2417616A GB2417616A (en) 2006-03-01
GB2417616B true GB2417616B (en) 2008-01-02

Family

ID=34318857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0523430A Expired - Fee Related GB2417616B (en) 2003-09-22 2003-09-22 A motor without bearing

Country Status (6)

Country Link
JP (1) JP2007507193A (en)
CN (1) CN100472916C (en)
AU (1) AU2003272842A1 (en)
DE (1) DE10394240B4 (en)
GB (1) GB2417616B (en)
WO (1) WO2005029684A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11187248B2 (en) 2018-04-26 2021-11-30 Acer Incorporated Fan and balance ring for fan

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7478574B2 (en) * 2005-04-26 2009-01-20 Igarashi Electric Works, Ltd. Electric actuator
EP2354557B1 (en) * 2010-01-22 2013-09-18 Micronel AG Device with a stator and a rotor laid within the stator
DE102010051262A1 (en) * 2010-11-12 2012-05-31 Secop Gmbh Refrigeration compressor i.e. hermetically-sealed refrigeration compressor, for use in e.g. freezer, has stator provided with bundle of laminations, where axial center of bundle of laminations is located higher than axial center of magnets
CN103618422B (en) * 2013-12-23 2016-08-17 中国航天空气动力技术研究院 Electromagnetic drive fan device
CN108204873B (en) * 2016-12-20 2020-05-22 陈恰 Magnetic capture non-inductive torque sensor
CN110552915A (en) * 2018-06-01 2019-12-10 宏碁股份有限公司 Fan and balance ring for fan
TWI761937B (en) 2020-09-02 2022-04-21 利愛電氣股份有限公司 Generator having outer-rotor structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134991A (en) * 1983-01-13 1984-08-22 Bosch Gmbh Robert Circulating pump
GB2178247A (en) * 1985-07-17 1987-02-04 Philips Nv Electric machine comprising magnetic bearing means
US5528096A (en) * 1992-10-29 1996-06-18 Kabushiki Kaisha Sankyo Seiki Seisakusho Small brush-use DC motor
CN2324693Y (en) * 1998-01-21 1999-06-16 王文阁 Magnetic suspension type bearing electric motor
CN1284778A (en) * 1999-08-11 2001-02-21 台达电子工业股份有限公司 Magnetic-bearing motor
US6420810B1 (en) * 2000-03-29 2002-07-16 Samsung Electro-Mechanics Co., Ltd. Non-contact driving motor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT182443B (en) * 1953-04-22 1955-06-25 Roulements A Billes Miniatures Magnetic bearing for a rotating part of a measuring instrument, in particular an electricity meter
DE2457783C2 (en) * 1974-12-06 1986-10-09 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar Magnetic storage
JP2000046043A (en) * 1998-07-28 2000-02-15 Tokyo Parts Ind Co Ltd Bearing structure for small-size motor
DE29820982U1 (en) * 1998-11-24 1999-09-30 Jagmann Vladimir Mechanical arrangement
JP2003092852A (en) * 2001-09-18 2003-03-28 Nippon Keiki Works Ltd Thrust bearing structure of motor
US6700241B1 (en) * 2002-11-27 2004-03-02 Sunonwealth Electric Machine Industry Co., Ltd. Positioning device for prestressing magnet of spindle motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134991A (en) * 1983-01-13 1984-08-22 Bosch Gmbh Robert Circulating pump
GB2178247A (en) * 1985-07-17 1987-02-04 Philips Nv Electric machine comprising magnetic bearing means
US5528096A (en) * 1992-10-29 1996-06-18 Kabushiki Kaisha Sankyo Seiki Seisakusho Small brush-use DC motor
CN2324693Y (en) * 1998-01-21 1999-06-16 王文阁 Magnetic suspension type bearing electric motor
CN1284778A (en) * 1999-08-11 2001-02-21 台达电子工业股份有限公司 Magnetic-bearing motor
US6420810B1 (en) * 2000-03-29 2002-07-16 Samsung Electro-Mechanics Co., Ltd. Non-contact driving motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11187248B2 (en) 2018-04-26 2021-11-30 Acer Incorporated Fan and balance ring for fan

Also Published As

Publication number Publication date
GB0523430D0 (en) 2005-12-28
AU2003272842A1 (en) 2005-04-11
WO2005029684A1 (en) 2005-03-31
DE10394240T5 (en) 2010-04-29
CN100472916C (en) 2009-03-25
CN1771651A (en) 2006-05-10
GB2417616A (en) 2006-03-01
JP2007507193A (en) 2007-03-22
DE10394240B4 (en) 2014-07-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190922