GB2121546B - An explosion-or flame-proof cam-operated ganged switch - Google Patents

An explosion-or flame-proof cam-operated ganged switch

Info

Publication number
GB2121546B
GB2121546B GB08315335A GB8315335A GB2121546B GB 2121546 B GB2121546 B GB 2121546B GB 08315335 A GB08315335 A GB 08315335A GB 8315335 A GB8315335 A GB 8315335A GB 2121546 B GB2121546 B GB 2121546B
Authority
GB
United Kingdom
Prior art keywords
explosion
flame
ganged switch
operated
cam
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
GB08315335A
Other versions
GB2121546A (en
GB8315335D0 (en
Inventor
Gerhard Schwarz
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of GB8315335D0 publication Critical patent/GB8315335D0/en
Publication of GB2121546A publication Critical patent/GB2121546A/en
Application granted granted Critical
Publication of GB2121546B publication Critical patent/GB2121546B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
GB08315335A 1982-06-03 1983-06-03 An explosion-or flame-proof cam-operated ganged switch Expired GB2121546B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823220914 DE3220914C2 (en) 1982-06-03 1982-06-03 Package cam switch protected from explosion or firedamp

Publications (3)

Publication Number Publication Date
GB8315335D0 GB8315335D0 (en) 1983-07-06
GB2121546A GB2121546A (en) 1983-12-21
GB2121546B true GB2121546B (en) 1986-04-03

Family

ID=6165208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08315335A Expired GB2121546B (en) 1982-06-03 1983-06-03 An explosion-or flame-proof cam-operated ganged switch

Country Status (3)

Country Link
DE (1) DE3220914C2 (en)
FR (1) FR2528229A1 (en)
GB (1) GB2121546B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8628754U1 (en) * 1986-10-28 1988-09-15 Apag Elektronik AG, Grabs, Sankt Gallen Lighting switch device for the interior lighting of motor vehicles
DE3934218A1 (en) * 1989-10-13 1991-04-25 Barlian Reinhold ELECTROTECHNICAL DEVICE
GB2354557B (en) * 1999-09-16 2003-03-05 Ernest James Bransden Reciprocating electromagnetic pump
DE10245952A1 (en) * 2002-10-02 2004-04-15 Hilti Ag Module housing for machine-tool motor switch, has dividing sub-surface of module housing wall arranged e.g. between switching magnet and Hall sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617606C3 (en) * 1976-04-22 1980-05-14 Brown, Boveri & Cie Ag, 6800 Mannheim Explosion-proof package cam switch
DE3008072A1 (en) * 1980-03-03 1981-09-17 Robert Bosch Gmbh, 7000 Stuttgart Magnetic signal generator for electronic ignition system - employing ferromagnetic plate on rotor arm moving between permanent magnet and hall element

Also Published As

Publication number Publication date
GB2121546A (en) 1983-12-21
GB8315335D0 (en) 1983-07-06
FR2528229A1 (en) 1983-12-09
DE3220914C2 (en) 1986-09-04
DE3220914A1 (en) 1983-12-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee