CA989936A - Brushless variable speed drive for a.c. synchronous motor - Google Patents

Brushless variable speed drive for a.c. synchronous motor

Info

Publication number
CA989936A
CA989936A CA179,970A CA179970A CA989936A CA 989936 A CA989936 A CA 989936A CA 179970 A CA179970 A CA 179970A CA 989936 A CA989936 A CA 989936A
Authority
CA
Canada
Prior art keywords
variable speed
synchronous motor
speed drive
brushless variable
brushless
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
CA179,970A
Other languages
English (en)
Other versions
CA179970S (en
Inventor
John J. Allard
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.)
AMF Inc
Original Assignee
AMF 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 AMF Inc filed Critical AMF Inc
Application granted granted Critical
Publication of CA989936A publication Critical patent/CA989936A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022—Synchronous motors
    • H02P25/024—Synchronous motors controlled by supply frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Control Of Stepping Motors (AREA)
CA179,970A 1973-04-10 1973-08-30 Brushless variable speed drive for a.c. synchronous motor Expired CA989936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34968973A 1973-04-10 1973-04-10

Publications (1)

Publication Number Publication Date
CA989936A true CA989936A (en) 1976-05-25

Family

ID=23373538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,970A Expired CA989936A (en) 1973-04-10 1973-08-30 Brushless variable speed drive for a.c. synchronous motor

Country Status (6)

Country Link
US (1) US3801887A (it)
CA (1) CA989936A (it)
DE (1) DE2349924C2 (it)
FR (1) FR2225866B1 (it)
GB (1) GB1387534A (it)
IT (1) IT1000065B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132838A (en) * 1982-12-15 1984-07-11 Griffiths Mavis Synchronous electric motor control
GB2150772B (en) * 1983-12-01 1987-08-05 Barry Wayne Williams Motor drive circuits
US5220258A (en) * 1990-06-18 1993-06-15 Papst-Motoren Gmbh & Co. Kg Drive circuit for a brushless direct-current motor
US5343129A (en) * 1990-06-18 1994-08-30 Papst Licensing Gmbh Drive circuit for a brushless direct-current motor
EP1107441A3 (de) * 1999-12-01 2002-09-25 Papst-Motoren GmbH & Co. KG Elektronisch kommunierter Gleichstrommotor
EP1107447B1 (de) * 1999-12-08 2009-12-23 EMB-Papst St. Georgen GmbH & Co. KG Elektonisch kommutierter Gleichstrommotor
US12021464B2 (en) * 2018-02-19 2024-06-25 Tyco Fire & Security Gmbh Adaptive logic board for variable speed drive

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898533A (en) * 1955-12-12 1959-08-04 Aseptic Thermo Indicator Compa Compensating timer
US2995690A (en) * 1958-09-22 1961-08-08 Reed And Reese Inc D. c.-operated constant speed motor
US3098958A (en) * 1959-04-07 1963-07-23 Katz Leonhard Direct-current motor and the like
US3250066A (en) * 1963-08-12 1966-05-10 Philco Corp Electronic clock utilizing oscillator to switch bistable circuit at subharmonic of oscillator frequency
US3489968A (en) * 1966-01-11 1970-01-13 Astro Dynamics Inc Apparatus for producing alternating current from brushless dc motor
US3473069A (en) * 1966-06-29 1969-10-14 Tri Tech System for translating electrical pulses into incremental mechanical motions
US3613391A (en) * 1967-09-12 1971-10-19 White Consolidated Ind Inc Head pressure control system

Also Published As

Publication number Publication date
AU5999073A (en) 1975-03-06
GB1387534A (en) 1975-03-19
US3801887A (en) 1974-04-02
FR2225866B1 (it) 1977-03-11
DE2349924A1 (de) 1974-10-17
IT1000065B (it) 1976-03-30
FR2225866A1 (it) 1974-11-08
DE2349924C2 (de) 1985-09-19

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