EP0858091A3 - Device for protecting an apparatus - Google Patents

Device for protecting an apparatus Download PDF

Info

Publication number
EP0858091A3
EP0858091A3 EP97117930A EP97117930A EP0858091A3 EP 0858091 A3 EP0858091 A3 EP 0858091A3 EP 97117930 A EP97117930 A EP 97117930A EP 97117930 A EP97117930 A EP 97117930A EP 0858091 A3 EP0858091 A3 EP 0858091A3
Authority
EP
European Patent Office
Prior art keywords
switch
protecting
mechanisms
temperature dependent
external connection
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
EP97117930A
Other languages
German (de)
French (fr)
Other versions
EP0858091B1 (en
EP0858091A2 (en
Inventor
Michael Becher
Edwin Güttinger
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.)
Thermik Geraetebau GmbH
Original Assignee
Thermik Geraetebau GmbH
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 Thermik Geraetebau GmbH filed Critical Thermik Geraetebau GmbH
Publication of EP0858091A2 publication Critical patent/EP0858091A2/en
Publication of EP0858091A3 publication Critical patent/EP0858091A3/en
Application granted granted Critical
Publication of EP0858091B1 publication Critical patent/EP0858091B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/006—Thermally-actuated switches with different switches operated at substantially different temperatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • 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
    • H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing

Landscapes

  • Thermally Actuated Switches (AREA)
  • Protection Of Static Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Generators And Motors (AREA)
  • Electronic Switches (AREA)
  • Noodles (AREA)
  • Surgical Instruments (AREA)

Abstract

The apparatus for protecting a device (11) has two temperature dependent switch mechanisms (12,13) each having two temperature dependent switch points. The apparatus also has at least two external connectors (15,16,17). The two switch mechanisms (12,13) are arranged directly in a single housing (21) such that each switch mechanism connects an associated first or second external connection (16,17) directly with a middle connection (15) in dependence on its temperature. The middle terminal is common to both switch mechanisms and is preferably provided as the third external connection. Preferably each switch mechanism is in the form of a bimetal snap strip.
EP97117930A 1997-02-07 1997-10-16 Device for protecting an apparatus Expired - Lifetime EP0858091B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19704563 1997-02-07
DE19704563A DE19704563B4 (en) 1997-02-07 1997-02-07 Device for protecting a device

Publications (3)

Publication Number Publication Date
EP0858091A2 EP0858091A2 (en) 1998-08-12
EP0858091A3 true EP0858091A3 (en) 1999-05-26
EP0858091B1 EP0858091B1 (en) 2006-10-11

Family

ID=7819530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117930A Expired - Lifetime EP0858091B1 (en) 1997-02-07 1997-10-16 Device for protecting an apparatus

Country Status (4)

Country Link
US (1) US5905620A (en)
EP (1) EP0858091B1 (en)
AT (1) ATE342576T1 (en)
DE (2) DE19704563B4 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19938638C2 (en) * 1999-08-14 2003-04-24 Thermik Geraetebau Gmbh Thermal protector
DE10260149A1 (en) 2002-12-20 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Device for determining the conductivity of laundry, clothes dryer and method for preventing layer formation on electrodes
DE10301803B4 (en) * 2003-01-20 2010-12-09 Hofsaess, Marcel P. Switch with a temperature-dependent rear derailleur
DE10325761A1 (en) 2003-06-05 2004-12-23 Behr Gmbh & Co. Kg A series resistor assembly for an electric motor and circuitry comprising a series resistor assembly for operating an electric motor and use of a bias resistor assembly
CN100446148C (en) * 2005-11-07 2008-12-24 徐佳义 A temperature controller with manual reset
US20080169897A1 (en) * 2007-01-17 2008-07-17 Yu-Kang Yang Temperature switch
EP1983319A1 (en) * 2007-04-20 2008-10-22 Siemens Aktiengesellschaft Temperature measuring device
JP5274155B2 (en) * 2008-08-25 2013-08-28 三洋電機株式会社 Overcurrent protection device
EP2159812A1 (en) 2008-08-25 2010-03-03 SANYO Electric Co., Ltd. Over current protection device
CN102721146A (en) * 2012-07-03 2012-10-10 海信科龙电器股份有限公司 Electric controller for air conditioners
DE102012112487A1 (en) * 2012-12-18 2014-06-18 Thermik Gerätebau GmbH Temperature protection circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1745290U (en) * 1956-09-29 1957-05-23 Siemens Ag THERMOSTAT WITH SEVERAL SWITCH POSITIONS AS THERMAL OVERLOAD PROTECTION FOR MACHINE WINDINGS.
DE1058606B (en) * 1951-04-10 1959-06-04 Huber & Cie A G J Electrical, temperature-dependent miniature switch
US4414524A (en) * 1981-12-07 1983-11-08 Texas Instruments Incorporated Thermally responsive switch
EP0342441A2 (en) * 1988-05-20 1989-11-23 Erbengemeinschaft Peter Hofsäss: Hofsäss, U. Hofsäss, M.P. Hofsäss, D.P. Hofsäss, H.P. Hofsäss, C.R. Hofsäss, B.M. Temperature sensitive commutation device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487062A (en) * 1966-11-16 1969-12-30 Du Pont Synergistic accelerator for t-butyl permaleic acid in methacrylate polymerization
FR2606929B1 (en) * 1986-11-14 1989-02-10 Telemecanique Electrique SWITCHING DEVICE FOR PROTECTIVE APPARATUS
DE4428226C1 (en) * 1994-08-10 1995-10-12 Thermik Geraetebau Gmbh Temp. monitoring switch e.g. for electric motor or transformer
US5708553A (en) * 1996-07-18 1998-01-13 Hung; Je Automatic switching-off structure for protecting electronic device from burning

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058606B (en) * 1951-04-10 1959-06-04 Huber & Cie A G J Electrical, temperature-dependent miniature switch
DE1745290U (en) * 1956-09-29 1957-05-23 Siemens Ag THERMOSTAT WITH SEVERAL SWITCH POSITIONS AS THERMAL OVERLOAD PROTECTION FOR MACHINE WINDINGS.
US4414524A (en) * 1981-12-07 1983-11-08 Texas Instruments Incorporated Thermally responsive switch
EP0342441A2 (en) * 1988-05-20 1989-11-23 Erbengemeinschaft Peter Hofsäss: Hofsäss, U. Hofsäss, M.P. Hofsäss, D.P. Hofsäss, H.P. Hofsäss, C.R. Hofsäss, B.M. Temperature sensitive commutation device

Also Published As

Publication number Publication date
EP0858091B1 (en) 2006-10-11
DE19704563B4 (en) 2005-07-21
EP0858091A2 (en) 1998-08-12
ATE342576T1 (en) 2006-11-15
DE59712747D1 (en) 2006-11-23
US5905620A (en) 1999-05-18
DE19704563A1 (en) 1998-08-13

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