CA1029073A - Speed responsive switching device for electric motor - Google Patents

Speed responsive switching device for electric motor

Info

Publication number
CA1029073A
CA1029073A CA228,772A CA228772A CA1029073A CA 1029073 A CA1029073 A CA 1029073A CA 228772 A CA228772 A CA 228772A CA 1029073 A CA1029073 A CA 1029073A
Authority
CA
Canada
Prior art keywords
electric motor
switching device
speed responsive
responsive switching
speed
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
CA228,772A
Other languages
English (en)
French (fr)
Other versions
CA228772S (en
Inventor
Eric Whiteley
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co 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 Canadian General Electric Co Ltd filed Critical Canadian General Electric Co Ltd
Priority to CA228,772A priority Critical patent/CA1029073A/en
Priority to US05/686,912 priority patent/US4054764A/en
Priority to GB20475/76A priority patent/GB1511417A/en
Priority to SE7606315A priority patent/SE7606315L/xx
Priority to CH699476A priority patent/CH608305A5/xx
Priority to FR7616884A priority patent/FR2313761A1/fr
Priority to JP51064687A priority patent/JPS51149571A/ja
Priority to IT23963/76A priority patent/IT1079522B/it
Priority to DE19762625235 priority patent/DE2625235A1/de
Application granted granted Critical
Publication of CA1029073A publication Critical patent/CA1029073A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/56—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using electromagnetic clutch

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Dc Machiner (AREA)
CA228,772A 1975-06-05 1975-06-05 Speed responsive switching device for electric motor Expired CA1029073A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA228,772A CA1029073A (en) 1975-06-05 1975-06-05 Speed responsive switching device for electric motor
US05/686,912 US4054764A (en) 1975-06-05 1976-05-17 Speed responsive switching device
GB20475/76A GB1511417A (en) 1975-06-05 1976-05-18 Motor overspeed switching mechanism
CH699476A CH608305A5 (cs) 1975-06-05 1976-06-03
SE7606315A SE7606315L (sv) 1975-06-05 1976-06-03 Hastighetskenslig omkopplingsanordning
FR7616884A FR2313761A1 (fr) 1975-06-05 1976-06-03 Dispositif de commutation sensible a la vitesse
JP51064687A JPS51149571A (en) 1975-06-05 1976-06-04 Overspeed changeeover device for prime mover
IT23963/76A IT1079522B (it) 1975-06-05 1976-06-04 Dispositivo commutatore sensibile alla velocita
DE19762625235 DE2625235A1 (de) 1975-06-05 1976-06-04 Drehzahlueberwachungsschalter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA228,772A CA1029073A (en) 1975-06-05 1975-06-05 Speed responsive switching device for electric motor

Publications (1)

Publication Number Publication Date
CA1029073A true CA1029073A (en) 1978-04-04

Family

ID=4103266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,772A Expired CA1029073A (en) 1975-06-05 1975-06-05 Speed responsive switching device for electric motor

Country Status (9)

Country Link
US (1) US4054764A (cs)
JP (1) JPS51149571A (cs)
CA (1) CA1029073A (cs)
CH (1) CH608305A5 (cs)
DE (1) DE2625235A1 (cs)
FR (1) FR2313761A1 (cs)
GB (1) GB1511417A (cs)
IT (1) IT1079522B (cs)
SE (1) SE7606315L (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1066381A (en) * 1976-07-30 1979-11-13 Herbert Hollitscher Permanent magnet latch for speed switching device
GB9506460D0 (en) * 1995-03-29 1995-05-17 Switched Reluctance Drives Ltd Apparatus and method for starting a single-phase variable reluctance motor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1193137B (de) * 1965-05-20 Siemens-Schuckertwerke Aktienge Seilschaft, Berlin und Erlangen Elektrisches Schaltgerät
US2718567A (en) * 1952-01-09 1955-09-20 Cutler Hammer Inc Plugging switch mechanism
US2816187A (en) * 1955-02-28 1957-12-10 Jones And Lamson Machine Compa Indicating device
GB855331A (en) * 1956-03-16 1960-11-30 Smith & Sons Ltd S Improvements in or relating to speed-responsive electric switching devices
US3012157A (en) * 1959-03-25 1961-12-05 American Radiator & Standard Rate of change and incremental change alarm
US3021402A (en) * 1959-11-30 1962-02-13 Warre Robert W La Speed responsive switch
US3025369A (en) * 1959-11-30 1962-03-13 Stewart Warner Corp Speed responsive device
FR1555961A (cs) * 1968-02-09 1969-01-31

Also Published As

Publication number Publication date
FR2313761A1 (fr) 1976-12-31
DE2625235A1 (de) 1976-12-23
IT1079522B (it) 1985-05-13
JPS51149571A (en) 1976-12-22
SE7606315L (sv) 1976-12-06
US4054764A (en) 1977-10-18
GB1511417A (en) 1978-05-17
CH608305A5 (cs) 1978-12-29

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