CA998415A - Rotary actuators - Google Patents

Rotary actuators

Info

Publication number
CA998415A
CA998415A CA194,295A CA194295A CA998415A CA 998415 A CA998415 A CA 998415A CA 194295 A CA194295 A CA 194295A CA 998415 A CA998415 A CA 998415A
Authority
CA
Canada
Prior art keywords
rotary actuators
actuators
rotary
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
CA194,295A
Other versions
CA194295S (en
Inventor
Michael E. Walker
Peter F. Scott
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.)
CAV Ltd
Original Assignee
CAV 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 CAV Ltd filed Critical CAV Ltd
Application granted granted Critical
Publication of CA998415A publication Critical patent/CA998415A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/13—Electromagnets; Actuators including electromagnets with armatures characterised by pulling-force characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures
    • H01F7/145—Rotary electromagnets with variable gap
CA194,295A 1973-03-21 1974-03-07 Rotary actuators Expired CA998415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1357073A GB1461397A (en) 1973-03-21 1973-03-21 Electromagnetic rotary actuators

Publications (1)

Publication Number Publication Date
CA998415A true CA998415A (en) 1976-10-12

Family

ID=10025353

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,295A Expired CA998415A (en) 1973-03-21 1974-03-07 Rotary actuators

Country Status (12)

Country Link
US (1) US3949250A (en)
JP (1) JPS49121106A (en)
AR (1) AR207949A1 (en)
BR (1) BR7402206D0 (en)
CA (1) CA998415A (en)
DE (1) DE2413241A1 (en)
ES (1) ES424426A1 (en)
FR (1) FR2222782B1 (en)
GB (1) GB1461397A (en)
IN (1) IN140641B (en)
IT (1) IT1008453B (en)
ZA (1) ZA741485B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186360A (en) * 1982-04-26 1983-10-31 Nippon Soken Inc Rotary drive device
JPS58212361A (en) * 1982-06-01 1983-12-10 Nippon Soken Inc Rotary drive device
US4587971A (en) * 1984-11-29 1986-05-13 North American Philips Corporation Ultrasonic scanning apparatus
DE3522993A1 (en) * 1985-06-27 1987-01-08 Bosch Gmbh Robert ROTARY ANCHOR OF AN ELECTRIC ACTUATOR
US5304881A (en) * 1989-03-13 1994-04-19 Magnetic Revolutions, Inc. Means for producing rotary motion
US5038064A (en) * 1990-08-31 1991-08-06 Briggs & Stratton Corporation Limited angle rotary actuator
US5287835A (en) * 1992-07-10 1994-02-22 Briggs & Stratton Corporation Electronic governor with fast response time
GB2290911A (en) * 1994-06-28 1996-01-10 Dafydd Roberts Rotary electromagnetic actuator
US6246561B1 (en) 1998-07-31 2001-06-12 Magnetic Revolutions Limited, L.L.C Methods for controlling the path of magnetic flux from a permanent magnet and devices incorporating the same
EP3937357B1 (en) * 2018-12-20 2024-03-20 Abb Schweiz Ag Actuator for a medium voltage circuit breaker
SE544599C2 (en) * 2020-12-18 2022-09-20 Assa Abloy Ab Actuator and lock device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767357A (en) * 1952-09-10 1956-10-16 Molyneux & Aspinwall Inc Electromagnetic actuator
FR82903E (en) * 1962-02-05 1964-05-08 Improvements made to electric machines of the variable reluctance type
GB1076771A (en) * 1963-03-06 1967-07-19 Short Brothers & Harland Ltd Improvements in electric motors

Also Published As

Publication number Publication date
DE2413241A1 (en) 1974-09-26
AR207949A1 (en) 1976-11-22
JPS49121106A (en) 1974-11-19
ES424426A1 (en) 1976-06-01
GB1461397A (en) 1977-01-13
IN140641B (en) 1976-12-11
FR2222782A1 (en) 1974-10-18
US3949250A (en) 1976-04-06
AU6654874A (en) 1975-09-18
IT1008453B (en) 1976-11-10
ZA741485B (en) 1975-10-29
BR7402206D0 (en) 1974-11-19
FR2222782B1 (en) 1980-03-28

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