DE59304417D1 - Thermal and electromagnetic release - Google Patents

Thermal and electromagnetic release

Info

Publication number
DE59304417D1
DE59304417D1 DE59304417T DE59304417T DE59304417D1 DE 59304417 D1 DE59304417 D1 DE 59304417D1 DE 59304417 T DE59304417 T DE 59304417T DE 59304417 T DE59304417 T DE 59304417T DE 59304417 D1 DE59304417 D1 DE 59304417D1
Authority
DE
Germany
Prior art keywords
magnet
bimetallic element
thermal
arms
coil
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 - Fee Related
Application number
DE59304417T
Other languages
German (de)
Inventor
Erhard Runtsch
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.)
ABB Patent GmbH
Original Assignee
ABB Patent 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 ABB Patent GmbH filed Critical ABB Patent GmbH
Application granted granted Critical
Publication of DE59304417D1 publication Critical patent/DE59304417D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H01H71/402—Combined electrothermal and electromagnetic mechanisms in which the thermal mechanism influences the magnetic circuit of the electromagnetic mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermally Actuated Switches (AREA)
  • Adhesive Tapes (AREA)
  • Breakers (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

A thermal and electromagnetic tripping mechanism has a magnet core (25) and a magnet armature (26), a coil (23) and a magnet yoke (29) surrounding the coil. A supporting member (30, 31) for a bimetallic element (40) is arranged at the end face in front of the magnet yoke (29) and joined thereto. The bimetallic element heats up in the event of an overcurrent (excess current) and is moved in the process from a first stable position into a second stable position and back, thereby actuating the magnet armature (26) to release a latching mechanism. The bimetallic element (40) is fixed between two arms (30, 31) which form the supporting member. It is expedient to construct the bimetallic element as a bimetallic snap-action strip (40). The arms (30, 31; 46, 47; 52, 53), which consist of a material which is an effective thermal conductor, are mounted on the magnet yoke (29) so as to conduct heat effectively. <IMAGE>
DE59304417T 1992-12-16 1993-12-09 Thermal and electromagnetic release Expired - Fee Related DE59304417D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4242516A DE4242516A1 (en) 1992-12-16 1992-12-16 Thermal and electromagnetic release

Publications (1)

Publication Number Publication Date
DE59304417D1 true DE59304417D1 (en) 1996-12-12

Family

ID=6475468

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4242516A Withdrawn DE4242516A1 (en) 1992-12-16 1992-12-16 Thermal and electromagnetic release
DE59304417T Expired - Fee Related DE59304417D1 (en) 1992-12-16 1993-12-09 Thermal and electromagnetic release

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4242516A Withdrawn DE4242516A1 (en) 1992-12-16 1992-12-16 Thermal and electromagnetic release

Country Status (4)

Country Link
EP (1) EP0603663B1 (en)
AT (1) ATE145088T1 (en)
DE (2) DE4242516A1 (en)
ES (1) ES2096188T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772980B1 (en) * 1997-12-19 2000-01-21 Schneider Electric Sa MAGNETO-THERMAL TRIGGER DEVICE AND CIRCUIT BREAKER EQUIPPED WITH THIS DEVICE
DE19942694C2 (en) * 1999-09-07 2002-06-27 Eti Elektroelement Dd Triggers for electrical circuit breakers
DE102004056282A1 (en) * 2004-11-22 2006-05-24 Abb Patent Gmbh Switching device for an electronic assembly comprises a thermal and electromagnetic circuit breaker having a snap-on mounting interacting with an impact anchor
DE102004056279A1 (en) * 2004-11-22 2006-05-24 Abb Patent Gmbh Protective switch with magnetic and thermal release for e.g. motor or circuit protection, is made from alloy with combined thermal- and magnetic shape memory
WO2013075726A1 (en) 2011-11-22 2013-05-30 Ellenberger & Poensgen Gmbh Electric switching device
DE202011110187U1 (en) 2011-11-22 2013-01-18 Ellenberger & Poensgen Gmbh Electrical switching device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE469878C (en) * 1925-03-25 1929-01-02 Aeg Trip device for automatic switch
US2170412A (en) * 1936-12-17 1939-08-22 Westinghouse Electric & Mfg Co Circuit breaker
DE1033308B (en) * 1956-09-11 1958-07-03 Licentia Gmbh Small electrical thermal switch
DE1822570U (en) * 1956-10-27 1960-12-01 Theodor Kiepe Elektrotechnisch SELF-ACTING DISCONNECTING DEVICE EQUIPPED WITH THERMAL AND ELECTROMAGNETIC RELEASE.
DE1884376U (en) * 1963-06-12 1963-12-12 Licentia Gmbh BIMETAL ARRANGEMENT FOR SWITCHING DEVICES.
DE3637275C1 (en) * 1986-11-03 1988-05-05 Flohr Peter Overcurrent trip device for protection switching apparatuses
DE3738795A1 (en) * 1987-11-14 1989-05-24 Asea Brown Boveri SELF-SWITCH

Also Published As

Publication number Publication date
EP0603663B1 (en) 1996-11-06
ES2096188T3 (en) 1997-03-01
DE4242516A1 (en) 1994-06-23
EP0603663A1 (en) 1994-06-29
ATE145088T1 (en) 1996-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ABB PATENT GMBH, 68526 LADENBURG, DE

8339 Ceased/non-payment of the annual fee