CH537088A - Snap-action switch for a thermal release, especially for motor protection - Google Patents

Snap-action switch for a thermal release, especially for motor protection

Info

Publication number
CH537088A
CH537088A CH1402172A CH1402172A CH537088A CH 537088 A CH537088 A CH 537088A CH 1402172 A CH1402172 A CH 1402172A CH 1402172 A CH1402172 A CH 1402172A CH 537088 A CH537088 A CH 537088A
Authority
CH
Switzerland
Prior art keywords
snap
motor protection
thermal release
action switch
switch
Prior art date
Application number
CH1402172A
Other languages
German (de)
Inventor
Hufschmid Max Dipl-El-Ing
Original Assignee
Sprecher & Schuh Ag
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 Sprecher & Schuh Ag filed Critical Sprecher & Schuh Ag
Priority to CH1402172A priority Critical patent/CH537088A/en
Priority to DE2324295A priority patent/DE2324295A1/en
Publication of CH537088A publication Critical patent/CH537088A/en
Priority to GB3676773A priority patent/GB1421565A/en
Priority to US392784A priority patent/US3872417A/en
Priority to ES418911A priority patent/ES418911A1/en
Priority to JP48108310A priority patent/JPS4976083A/ja

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
    • 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
    • H01H2037/5445—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting with measures for avoiding slow break of contacts during the creep phase of the snap bimetal
    • 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
    • H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset
CH1402172A 1972-09-26 1972-09-26 Snap-action switch for a thermal release, especially for motor protection CH537088A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1402172A CH537088A (en) 1972-09-26 1972-09-26 Snap-action switch for a thermal release, especially for motor protection
DE2324295A DE2324295A1 (en) 1972-09-26 1973-05-14 SNAP SWITCH FOR A THERMAL RELEASE, IN PARTICULAR FOR MOTOR PROTECTION
GB3676773A GB1421565A (en) 1972-09-26 1973-08-02 Thermally actuated snap action switch
US392784A US3872417A (en) 1972-09-26 1973-08-29 Snap-action switch for a thermal trigger, especially for a motor protection device
ES418911A ES418911A1 (en) 1972-09-26 1973-09-20 Snap-action switch for a thermal trigger, especially for a motor protection device
JP48108310A JPS4976083A (en) 1972-09-26 1973-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1402172A CH537088A (en) 1972-09-26 1972-09-26 Snap-action switch for a thermal release, especially for motor protection

Publications (1)

Publication Number Publication Date
CH537088A true CH537088A (en) 1973-05-15

Family

ID=4397276

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1402172A CH537088A (en) 1972-09-26 1972-09-26 Snap-action switch for a thermal release, especially for motor protection

Country Status (6)

Country Link
US (1) US3872417A (en)
JP (1) JPS4976083A (en)
CH (1) CH537088A (en)
DE (1) DE2324295A1 (en)
ES (1) ES418911A1 (en)
GB (1) GB1421565A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0360215A2 (en) * 1988-09-20 1990-03-28 Fuji Electric Co., Ltd. Inversion spring for thermal overload relay and method for making the same

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1542253A (en) * 1976-05-07 1979-03-14 Taylor J Electric switches
US4431884A (en) * 1982-08-09 1984-02-14 Gulf & Western Manufacturing Company Snap action switch
US4796355A (en) * 1987-09-15 1989-01-10 B/K Patent Development, Inc. Snap action devices and methods and apparatus for making same
US5585774A (en) * 1994-09-01 1996-12-17 General Electric Company Condition-responsive electric switch mechanism
US5467523A (en) * 1994-09-01 1995-11-21 General Electric Company Method for assembling and calibrating a condition-responsive electric switch mechanism
FR2785717B1 (en) * 1998-11-05 2000-12-08 Schneider Electric Sa THERMAL RELAY WITH SPRING BLADE MECHANISM
US6018286A (en) * 1998-11-20 2000-01-25 Therm-O-Disc, Incorporated Thermal switch
US6252492B1 (en) 1999-03-18 2001-06-26 James P. Frank Condition-responsive electric switch mechanism
US6563414B2 (en) * 2001-04-19 2003-05-13 Tsung-Mou Yu Switch having a bimetal plate with two legs
US6538553B2 (en) * 2001-07-13 2003-03-25 Tsung-Mou Yu Switching element for electric switch
US6550832B2 (en) * 2001-07-30 2003-04-22 Mentor Group, Llc Actuator
US20050134424A1 (en) * 2003-12-19 2005-06-23 Albert Huang Bimetallic strip for a circuit breaker
WO2006082749A1 (en) * 2005-02-02 2006-08-10 Uchiya Thermostat Co., Ltd. Thermostat
DE102009061050B4 (en) * 2009-06-05 2019-09-05 Marcel P. HOFSAESS Bimetal part and thus equipped temperature-dependent switch
US8402663B2 (en) 2010-08-11 2013-03-26 William J. McHenry Two-piece hand tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2584460A (en) * 1947-12-24 1952-02-05 Acro Mfg Co Snap action switch
NL83239C (en) * 1950-09-16
US3382336A (en) * 1962-09-20 1968-05-07 Ite Circuit Breaker Ltd Manual operator and lock means therefor for overload protective device
US3153708A (en) * 1963-05-29 1964-10-20 George G Guthrie Snap action switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0360215A2 (en) * 1988-09-20 1990-03-28 Fuji Electric Co., Ltd. Inversion spring for thermal overload relay and method for making the same
EP0360215A3 (en) * 1988-09-20 1991-11-13 Fuji Electric Co., Ltd. Inversion spring for thermal overload relay and method for making the same

Also Published As

Publication number Publication date
JPS4976083A (en) 1974-07-23
US3872417A (en) 1975-03-18
GB1421565A (en) 1976-01-21
ES418911A1 (en) 1976-03-01
DE2324295A1 (en) 1974-03-28

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Legal Events

Date Code Title Description
PL Patent ceased