GB1524686A - Temperature responsive swotching device - Google Patents

Temperature responsive swotching device

Info

Publication number
GB1524686A
GB1524686A GB39255/75A GB3925575A GB1524686A GB 1524686 A GB1524686 A GB 1524686A GB 39255/75 A GB39255/75 A GB 39255/75A GB 3925575 A GB3925575 A GB 3925575A GB 1524686 A GB1524686 A GB 1524686A
Authority
GB
United Kingdom
Prior art keywords
blade
diaphragm
switch
lever
temperature
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
GB39255/75A
Other languages
English (en)
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.)
Robertshaw US Holding Corp
Original Assignee
Ranco 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 Ranco Inc filed Critical Ranco Inc
Publication of GB1524686A publication Critical patent/GB1524686A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • H01H35/343—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm by snap acting diaphragm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H01H37/70—Resetting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/64—Contacts
    • H01H37/70—Resetting means
    • H01H2037/705—Resetting means wherein the switch cannot be closed when the temperature is above a certain value

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermally Actuated Switches (AREA)
  • Control Of Temperature (AREA)
GB39255/75A 1974-09-30 1975-09-25 Temperature responsive swotching device Expired GB1524686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US510700A US3924213A (en) 1974-09-30 1974-09-30 Thermostat

Publications (1)

Publication Number Publication Date
GB1524686A true GB1524686A (en) 1978-09-13

Family

ID=24031813

Family Applications (2)

Application Number Title Priority Date Filing Date
GB39255/75A Expired GB1524686A (en) 1974-09-30 1975-09-25 Temperature responsive swotching device
GB310/78A Expired GB1524687A (en) 1974-09-30 1975-09-25 Resettable thermally responsive switching device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB310/78A Expired GB1524687A (en) 1974-09-30 1975-09-25 Resettable thermally responsive switching device

Country Status (7)

Country Link
US (1) US3924213A (https=)
JP (1) JPS5922332B2 (https=)
CA (1) CA1044289A (https=)
DE (1) DE2538332C2 (https=)
FR (1) FR2286431A1 (https=)
GB (2) GB1524686A (https=)
SE (2) SE410662B (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8413912D0 (en) * 1984-05-31 1984-07-04 Elmwood Sensors Electrical switches
JPS6218940U (https=) * 1985-07-18 1987-02-04
GB2185629B (en) * 1986-01-17 1989-01-25 Ranco Controls Ltd Trip-free resetting machanism for an on-off unit
US5101188A (en) * 1989-10-02 1992-03-31 General Electric Company Condition responsive switching apparatus
US4937549A (en) * 1989-10-02 1990-06-26 General Electric Company Condition responsive switching apparatus
US5790009A (en) * 1997-01-21 1998-08-04 Black & Decker Inc. Thermostat reset with additional electrical switch
US5929742A (en) * 1997-03-27 1999-07-27 Elmwood Sensors, Inc. Trip-free, manual reset thermostat
US5854585A (en) * 1997-04-10 1998-12-29 Texas Instruments Incorporated Manual reset electrical equipment protector apparatus
US5861794A (en) * 1998-05-04 1999-01-19 Texas Instruments Incorporated Thermal circuit breaker apparatus
US5950811A (en) * 1998-06-18 1999-09-14 Johnson Controls Technology Co. Electrical switch with user selectable manual/automatic reset
US20050231318A1 (en) * 2004-04-15 2005-10-20 James Bullington Trip-free limit switch and reset mechanism
JP4339750B2 (ja) * 2004-06-10 2009-10-07 ワコー電子株式会社 手動復帰型サーモスタット
US7405645B2 (en) * 2006-04-20 2008-07-29 Sensata Technologies, Inc. Thermally activated circuit interrupter
GB2520572A (en) * 2013-11-26 2015-05-27 Johnson Electric Sa Electrical Contactor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668889A (en) * 1950-12-30 1954-02-09 Paul Henry Snap-action thermostatic switch
US3018345A (en) * 1960-12-15 1962-01-23 Honeywell Regulator Co Switch apparatus
US3405380A (en) * 1965-12-06 1968-10-08 Mc Graw Edison Co Thermal relay having separate heater means to open or close the relay
US3573700A (en) * 1968-11-29 1971-04-06 Therm O Disc Inc Adjustable thermostat
ES211334Y (es) * 1970-03-13 1976-10-16 Elve Electrotecnica, S. A. Termostato bimetalico de disparo rapido.
DE2130004A1 (de) * 1970-06-19 1971-12-30 Electrovac Thermischer Schalter mit kleiner Schalttemperaturdifferenz

Also Published As

Publication number Publication date
SE7508969L (sv) 1976-03-31
FR2286431B1 (https=) 1981-10-23
JPS5922332B2 (ja) 1984-05-25
SE436954B (sv) 1985-01-28
DE2538332C2 (de) 1986-02-06
JPS5162366A (https=) 1976-05-29
CA1044289A (en) 1978-12-12
US3924213A (en) 1975-12-02
FR2286431A1 (fr) 1976-04-23
DE2538332A1 (de) 1976-04-15
SE7813464L (sv) 1978-12-29
SE410662B (sv) 1979-10-22
GB1524687A (en) 1978-09-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee