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EP0051474A3 - Thermostatic switch and method of making - Google Patents

Thermostatic switch and method of making Download PDF

Info

Publication number
EP0051474A3
EP0051474A3 EP81305182A EP81305182A EP0051474A3 EP 0051474 A3 EP0051474 A3 EP 0051474A3 EP 81305182 A EP81305182 A EP 81305182A EP 81305182 A EP81305182 A EP 81305182A EP 0051474 A3 EP0051474 A3 EP 0051474A3
Authority
EP
European Patent Office
Prior art keywords
making
thermostatic switch
thermostatic
switch
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.)
Granted
Application number
EP81305182A
Other versions
EP0051474A2 (en
EP0051474B1 (en
Inventor
Henry J. Boulanger
Andrew C. Mcguirk
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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
Priority claimed from US06/203,790 external-priority patent/US4349806A/en
Priority claimed from US06/203,071 external-priority patent/US4334210A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of EP0051474A2 publication Critical patent/EP0051474A2/en
Publication of EP0051474A3 publication Critical patent/EP0051474A3/en
Application granted granted Critical
Publication of EP0051474B1 publication Critical patent/EP0051474B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • H01H2037/5454—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting with separate spring biasing the bimetal snap element against the heat transfer surface

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
EP19810305182 1980-11-03 1981-10-30 Thermostatic switch Expired EP0051474B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/203,790 US4349806A (en) 1980-11-03 1980-11-03 Snap-acting thermostatic switch using inflexible, spring biased contact arm
US203071 1980-11-03
US06/203,071 US4334210A (en) 1980-11-03 1980-11-03 Thermostatic switch and method of making
US203790 1988-06-07

Publications (3)

Publication Number Publication Date
EP0051474A2 EP0051474A2 (en) 1982-05-12
EP0051474A3 true EP0051474A3 (en) 1983-02-23
EP0051474B1 EP0051474B1 (en) 1985-12-18

Family

ID=26898288

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810305182 Expired EP0051474B1 (en) 1980-11-03 1981-10-30 Thermostatic switch

Country Status (4)

Country Link
EP (1) EP0051474B1 (en)
JP (2) JPH02265138A (en)
AR (1) AR227945A1 (en)
DE (1) DE3173274D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4570148A (en) * 1984-01-23 1986-02-11 Therm-O-Disc, Incorporated Snap disc condition sensor and method for producing the same
US5003282A (en) * 1989-07-19 1991-03-26 Texas Instruments Incorporated Trip free/reset free manual reset

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164701A (en) * 1961-05-29 1965-01-05 Texas Instruments Inc Method of assembling thermostatic switches
US3882440A (en) * 1972-08-01 1975-05-06 Inter Control Koehler Hermann Thermostat and method of adjusting the same
US4079348A (en) * 1976-05-27 1978-03-14 Texas Instruments Incorporated Thermally responsive electrical switch
US4101861A (en) * 1976-03-15 1978-07-18 Texas Instruments Incorporated Thermostatic switch and method of assembly
DE2721949A1 (en) * 1977-05-14 1978-11-23 Microtherm Gmbh Thermo-switch for monitoring electrical equipment - has snap-action bimetallic disc linked via post to snap-action contact system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164701A (en) * 1961-05-29 1965-01-05 Texas Instruments Inc Method of assembling thermostatic switches
US3882440A (en) * 1972-08-01 1975-05-06 Inter Control Koehler Hermann Thermostat and method of adjusting the same
US4101861A (en) * 1976-03-15 1978-07-18 Texas Instruments Incorporated Thermostatic switch and method of assembly
US4079348A (en) * 1976-05-27 1978-03-14 Texas Instruments Incorporated Thermally responsive electrical switch
DE2721949A1 (en) * 1977-05-14 1978-11-23 Microtherm Gmbh Thermo-switch for monitoring electrical equipment - has snap-action bimetallic disc linked via post to snap-action contact system

Also Published As

Publication number Publication date
JPH047054B2 (en) 1992-02-07
JPH02276123A (en) 1990-11-13
EP0051474A2 (en) 1982-05-12
JPH02265138A (en) 1990-10-29
EP0051474B1 (en) 1985-12-18
AR227945A1 (en) 1982-12-30
DE3173274D1 (en) 1986-01-30

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