CA1010484A - Current responsive thermal expansion switch actuator - Google Patents

Current responsive thermal expansion switch actuator

Info

Publication number
CA1010484A
CA1010484A CA203,938A CA203938A CA1010484A CA 1010484 A CA1010484 A CA 1010484A CA 203938 A CA203938 A CA 203938A CA 1010484 A CA1010484 A CA 1010484A
Authority
CA
Canada
Prior art keywords
thermal expansion
switch actuator
current responsive
expansion switch
responsive thermal
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
CA203,938A
Inventor
Eric W. Bayer
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 Co
Original Assignee
General Electric Co
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 to US00384985A priority Critical patent/US3849752A/en
Application filed by General Electric Co filed Critical General Electric Co
Priority to CA203,938A priority patent/CA1010484A/en
Priority to GB36237/74A priority patent/GB1484631A/en
Priority to DE2439444A priority patent/DE2439444A1/en
Priority to FR7430739A priority patent/FR2284972A1/en
Application granted granted Critical
Publication of CA1010484A publication Critical patent/CA1010484A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/18—Electrothermal mechanisms with expanding rod, strip, or wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
    • H01H73/24—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by lever
CA203,938A 1973-08-02 1974-07-03 Current responsive thermal expansion switch actuator Expired CA1010484A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US00384985A US3849752A (en) 1973-08-02 1973-08-02 Current responsive actuator
CA203,938A CA1010484A (en) 1973-08-02 1974-07-03 Current responsive thermal expansion switch actuator
GB36237/74A GB1484631A (en) 1973-08-02 1974-08-16 Circuit breaker
DE2439444A DE2439444A1 (en) 1973-08-02 1974-08-16 ELECTRICAL SWITCHING DEVICE WITH A CURRENT CONTROLLED TRIP DEVICE
FR7430739A FR2284972A1 (en) 1973-08-02 1974-09-11 CURRENT SENSITIVE TRIGGER FOR ELECTRIC CIRCUIT BREAKER OR OTHER SIMILAR APPLICATIONS

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US00384985A US3849752A (en) 1973-08-02 1973-08-02 Current responsive actuator
CA203,938A CA1010484A (en) 1973-08-02 1974-07-03 Current responsive thermal expansion switch actuator
GB36237/74A GB1484631A (en) 1973-08-02 1974-08-16 Circuit breaker
DE2439444A DE2439444A1 (en) 1973-08-02 1974-08-16 ELECTRICAL SWITCHING DEVICE WITH A CURRENT CONTROLLED TRIP DEVICE
FR7430739A FR2284972A1 (en) 1973-08-02 1974-09-11 CURRENT SENSITIVE TRIGGER FOR ELECTRIC CIRCUIT BREAKER OR OTHER SIMILAR APPLICATIONS

Publications (1)

Publication Number Publication Date
CA1010484A true CA1010484A (en) 1977-05-17

Family

ID=27508027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,938A Expired CA1010484A (en) 1973-08-02 1974-07-03 Current responsive thermal expansion switch actuator

Country Status (5)

Country Link
US (1) US3849752A (en)
CA (1) CA1010484A (en)
DE (1) DE2439444A1 (en)
FR (1) FR2284972A1 (en)
GB (1) GB1484631A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2387480B (en) * 2002-04-09 2005-04-13 Microsaic Systems Ltd Micro-engineered self-releasing switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1610552A (en) * 1919-12-22 1926-12-14 Westinghouse Electric & Mfg Co Relay
US2559372A (en) * 1948-12-10 1951-07-03 Howard A Rike Thermostatic switch
US3117203A (en) * 1960-05-17 1964-01-07 Gen Electric Circuit protective devices and circuits
US3463008A (en) * 1968-02-07 1969-08-26 Controls Co Of America Thermostat with anticipator remote from ambient temperature sensor

Also Published As

Publication number Publication date
DE2439444A1 (en) 1976-02-26
FR2284972A1 (en) 1976-04-09
US3849752A (en) 1974-11-19
GB1484631A (en) 1977-09-01

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