EP3485556A4 - Axial gap electric machine with permanent magnets arranged between posts - Google Patents

Axial gap electric machine with permanent magnets arranged between posts Download PDF

Info

Publication number
EP3485556A4
EP3485556A4 EP17826733.2A EP17826733A EP3485556A4 EP 3485556 A4 EP3485556 A4 EP 3485556A4 EP 17826733 A EP17826733 A EP 17826733A EP 3485556 A4 EP3485556 A4 EP 3485556A4
Authority
EP
European Patent Office
Prior art keywords
posts
electric machine
permanent magnets
axial gap
magnets arranged
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Withdrawn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
EP17826733.2A
Other languages
German (de)
French (fr)
Other versions
EP3485556A1 (en
Inventor
James Brent Klassen
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.)
Genesis Robotics and Motion Technologies Canada ULC
Original Assignee
Genesis Robotics and Motion Technologies Canada ULC
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
Priority claimed from US15/235,088 external-priority patent/US10476323B2/en
Application filed by Genesis Robotics and Motion Technologies Canada ULC filed Critical Genesis Robotics and Motion Technologies Canada ULC
Publication of EP3485556A1 publication Critical patent/EP3485556A1/en
Publication of EP3485556A4 publication Critical patent/EP3485556A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/04Machines with one rotor and two stators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/086Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H02K7/088Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2793Rotors axially facing stators
    • H02K1/2795Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/188Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with at least one row for radial load in combination with at least one row for axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/061Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing mounting a plurality of bearings side by side
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16Centering rotors within the stator; Balancing rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49Bearings with both balls and rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54Systems consisting of a plurality of bearings with rolling friction
    • F16C19/545Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00Apparatus used in shaping articles
    • F16C2322/50Hand tools, workshop equipment or manipulators
    • F16C2322/59Manipulators, e.g. robot arms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00Electrical apparatus
    • F16C2380/26Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067Fixing them in a housing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Frames (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Rolling Contact Bearings (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
EP17826733.2A 2016-07-15 2017-07-14 Axial gap electric machine with permanent magnets arranged between posts Withdrawn EP3485556A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662363202P 2016-07-15 2016-07-15
US15/235,088 US10476323B2 (en) 2015-08-11 2016-08-11 Electric machine
US201762460086P 2017-02-16 2017-02-16
PCT/CA2017/050857 WO2018010031A1 (en) 2016-07-15 2017-07-14 Axial gap electric machine with permanent magnets arranged between posts

Publications (2)

Publication Number Publication Date
EP3485556A1 EP3485556A1 (en) 2019-05-22
EP3485556A4 true EP3485556A4 (en) 2020-07-29

Family

ID=60952293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17826733.2A Withdrawn EP3485556A4 (en) 2016-07-15 2017-07-14 Axial gap electric machine with permanent magnets arranged between posts

Country Status (6)

Country Link
EP (1) EP3485556A4 (en)
JP (1) JP6823174B2 (en)
KR (1) KR102208324B1 (en)
CN (1) CN109565188B (en)
CA (1) CA3030311A1 (en)
WO (2) WO2018010031A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018529302A (en) 2015-08-11 2018-10-04 ジェネシス ロボティクス エルエルピー Electric machine
US11139707B2 (en) 2015-08-11 2021-10-05 Genesis Robotics And Motion Technologies Canada, Ulc Axial gap electric machine with permanent magnets arranged between posts
US11043885B2 (en) 2016-07-15 2021-06-22 Genesis Robotics And Motion Technologies Canada, Ulc Rotary actuator
WO2020232066A1 (en) * 2019-05-15 2020-11-19 Essam Abdelrahman Ammar Apparatus and methods for a spherical assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002093720A1 (en) * 2001-05-16 2002-11-21 Trinity Motors Inc. Universal motor/generator/alternator apparatus
EP1734645A2 (en) * 2005-06-16 2006-12-20 Fujitsu General Limited Axial air gap-type electric motor
US20080224558A1 (en) * 2007-03-15 2008-09-18 A. O. Smith Corporation Interior permanent magnet motor including rotor with flux barriers
US8026626B1 (en) * 2010-11-23 2011-09-27 Moshe Meller Axial flux alternator with air gap maintaining arrangement

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04131179U (en) * 1991-05-20 1992-12-02 テイアツク株式会社 spindle motor
US5445456A (en) * 1992-11-26 1995-08-29 Sony Corporation Bearing assembly
US6259180B1 (en) * 1996-07-02 2001-07-10 Schlenker Enterprises, Ltd. Motor including embedded permanent magnet rotor and method for making the same
DE4423620A1 (en) * 1994-07-06 1996-01-11 Philips Patentverwaltung Electric motor excitable by means of permanent magnets, in particular internal rotor or external rotor motor
JP2005045868A (en) * 2003-07-23 2005-02-17 Sankyo Seiki Mfg Co Ltd Vibrating motor
JP2005151725A (en) * 2003-11-17 2005-06-09 Equos Research Co Ltd Axial gap rotary electric machine
JP2008278551A (en) * 2007-04-25 2008-11-13 Toyota Motor Corp Stator core and motor
JP5329902B2 (en) * 2008-10-10 2013-10-30 アスモ株式会社 Rotor structure of rotating electrical machine
GB0821815D0 (en) * 2008-11-28 2009-01-07 Cummins Generator Technologies Rotating electrical machine
US20120212085A1 (en) * 2011-02-17 2012-08-23 The Hong Kong Polytechnic University Axial-flux electric machine
JP5954865B2 (en) * 2012-03-29 2016-07-20 株式会社日本製鋼所 Motor rotor support and manufacturing method thereof
JP6345918B2 (en) * 2013-08-06 2018-06-20 株式会社ダイナックス Axial gap motor
JP6255231B2 (en) * 2013-12-11 2017-12-27 株式会社ダイナックス Axial gap motor
JP6315790B2 (en) * 2014-04-30 2018-04-25 マブチモーター株式会社 Brushless motor
EP2961044B1 (en) * 2014-06-27 2017-09-13 Samsung Electronics Co., Ltd. Motor and its permanent magnet rotor
CN105196889A (en) * 2015-08-22 2015-12-30 成都佰世成科技有限公司 Explosion composite induction plate device for linear motor rails
CN205105071U (en) * 2015-11-11 2016-03-23 南京康尼电子科技有限公司 A rotor structure for tangential formula permanent magnet brushless DC motor and motor thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002093720A1 (en) * 2001-05-16 2002-11-21 Trinity Motors Inc. Universal motor/generator/alternator apparatus
EP1734645A2 (en) * 2005-06-16 2006-12-20 Fujitsu General Limited Axial air gap-type electric motor
US20080224558A1 (en) * 2007-03-15 2008-09-18 A. O. Smith Corporation Interior permanent magnet motor including rotor with flux barriers
US8026626B1 (en) * 2010-11-23 2011-09-27 Moshe Meller Axial flux alternator with air gap maintaining arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018010031A1 *

Also Published As

Publication number Publication date
JP6823174B2 (en) 2021-01-27
KR20190029668A (en) 2019-03-20
EP3485556A1 (en) 2019-05-22
CA3030311A1 (en) 2018-01-18
CN109565188B (en) 2022-12-06
CN109565188A (en) 2019-04-02
JP2019525720A (en) 2019-09-05
KR102208324B1 (en) 2021-01-28
WO2018010030A1 (en) 2018-01-18
WO2018010031A1 (en) 2018-01-18

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Inventor name: KLASSEN, JAMES BRENT

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