CA1025922A - Unidirectional self-starting synchronous motor - Google Patents

Unidirectional self-starting synchronous motor

Info

Publication number
CA1025922A
CA1025922A CA221,578A CA221578A CA1025922A CA 1025922 A CA1025922 A CA 1025922A CA 221578 A CA221578 A CA 221578A CA 1025922 A CA1025922 A CA 1025922A
Authority
CA
Canada
Prior art keywords
synchronous motor
starting synchronous
unidirectional self
unidirectional
self
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
Application number
CA221,578A
Other languages
French (fr)
Inventor
Arthur W. Haydon
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.)
Tri Tech Inc
Original Assignee
Tri Tech 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 Tri Tech Inc filed Critical Tri Tech Inc
Application granted granted Critical
Publication of CA1025922A publication Critical patent/CA1025922A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/12—Transversal flux machines
CA221,578A 1974-08-08 1975-03-07 Unidirectional self-starting synchronous motor Expired CA1025922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/495,928 US4004168A (en) 1974-08-08 1974-08-08 Electric rotating machine

Publications (1)

Publication Number Publication Date
CA1025922A true CA1025922A (en) 1978-02-07

Family

ID=23970541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA221,578A Expired CA1025922A (en) 1974-08-08 1975-03-07 Unidirectional self-starting synchronous motor

Country Status (2)

Country Link
US (1) US4004168A (en)
CA (1) CA1025922A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162418A (en) * 1976-12-14 1979-07-24 Niles Parts Co., Ltd. Stepping motor for electronic clock
US4274026A (en) * 1977-12-27 1981-06-16 Tri-Tech, Inc. Electric rotating machine
US4241270A (en) * 1977-12-27 1980-12-23 Tri-Tech, Inc. Synchronous electric motor
US4277841A (en) * 1979-03-14 1981-07-07 General Time Corporation Elapsed time indicator
US4250420A (en) * 1979-06-05 1981-02-10 Emhart Industries, Inc. Sandwich structure for a combination motor and gear train with a timing mechanism
US4404484A (en) * 1981-03-06 1983-09-13 Tri-Tech, Inc. Electric rotating machine
US4532460A (en) * 1982-07-12 1985-07-30 Eaton Corporation Pre-start rotor positioner for an electric vehicle
AT377871B (en) * 1982-09-07 1985-05-10 Philips Nv ELECTRICALLY DRIVEN DEVICE
SE437203B (en) * 1982-10-01 1985-02-11 Electrolux Ab RELUCTANCE
JPS6079277U (en) * 1983-11-08 1985-06-01 株式会社三協精機製作所 Coil bobbin assembly for small motor
GB8500751D0 (en) * 1985-01-11 1985-02-13 Smiths Industries Plc Electric motors
JPS6264248A (en) * 1985-09-13 1987-03-23 Toubishi Kogyo Kk Thin type dc brushless motor
DE8805514U1 (en) * 1988-04-26 1988-06-16 Gerhard Berger Gmbh & Co Kg Fabrik Elektrischer Geraete, 7630 Lahr, De
FR2632465A1 (en) * 1988-06-03 1989-12-08 Ventilation Electricite Appliq ELECTRICALLY SWITCHED ELECTRIC MOTOR, ESPECIALLY FOR DRIVING A MACHINE FOR DISPLACING A FLUID, IN PARTICULAR A HAIRDRYER, EQUIPPED WITH SUCH A MOTOR
EP0655823B1 (en) * 1992-08-12 1999-01-27 Seiko Epson Corporation Method of driving a brushless dc motor
US6057613A (en) * 1998-02-04 2000-05-02 Pacific Scientific Company Hybrid stepper motor having optimized torque density
US6400055B1 (en) * 1998-04-20 2002-06-04 Canon Kabushiki Kaisha Motor
US6465916B2 (en) * 1998-12-04 2002-10-15 Canon Kabushiki Kaisha Motor
US6316851B1 (en) * 1998-12-07 2001-11-13 Canon Kabushiki Kaisha Motor
JP4275320B2 (en) * 2001-02-22 2009-06-10 三菱電機株式会社 Stepping motor
US7098562B2 (en) * 2003-02-10 2006-08-29 Siemens Vdo Automotive Corporation Ambidextrous electronic window lift motor
JP4874564B2 (en) * 2005-03-31 2012-02-15 日本電産コパル株式会社 Electromagnetic actuator and camera blade drive device
JP4920322B2 (en) * 2006-06-23 2012-04-18 株式会社Ｉｈｉ Inductor type synchronous machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB678526A (en) * 1950-01-13 1952-09-03 British Vacuum Cleaner And Eng Improvements in or relating to synchronous electric motors
US3370189A (en) * 1966-10-14 1968-02-20 Tri Tech Stepper motor having a stator biasing magnet
US3475630A (en) * 1967-07-19 1969-10-28 American Mach & Foundry Synchronous motor with permanent magnet rotor
US3495107A (en) * 1969-04-28 1970-02-10 Tri Tech Cylindrical stepper motor having a stator biasing magnet
JPS4977117A (en) * 1972-11-30 1974-07-25

Also Published As

Publication number Publication date
US4004168A (en) 1977-01-18

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