EP2109126A3 - Explosionssichere Steueranordnung mit einem explosionssicheren Gehäuse - Google Patents

Explosionssichere Steueranordnung mit einem explosionssicheren Gehäuse Download PDF

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Publication number
EP2109126A3
EP2109126A3 EP09157308.9A EP09157308A EP2109126A3 EP 2109126 A3 EP2109126 A3 EP 2109126A3 EP 09157308 A EP09157308 A EP 09157308A EP 2109126 A3 EP2109126 A3 EP 2109126A3
Authority
EP
European Patent Office
Prior art keywords
explosion
proof
housing
control arrangement
plungers
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
EP09157308.9A
Other languages
English (en)
French (fr)
Other versions
EP2109126B1 (de
EP2109126A2 (de
Inventor
Hans Dr. Krause
Erich Wombacher
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.)
Emerson Process Management GmbH and Co OHG
Original Assignee
Emerson Process Management GmbH and Co OHG
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 Emerson Process Management GmbH and Co OHG filed Critical Emerson Process Management GmbH and Co OHG
Publication of EP2109126A2 publication Critical patent/EP2109126A2/de
Publication of EP2109126A3 publication Critical patent/EP2109126A3/de
Application granted granted Critical
Publication of EP2109126B1 publication Critical patent/EP2109126B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanical Control Devices (AREA)

Abstract

Bei einer explosionssicheren Steueranordnung mit einem explosionssicheren Gehäuse, das eine elektrische Steuereinheit mit einer mechanisch zu betätigenden Eingabevorrichtung enthält, ist eine äußere Wand (2) des Gehäuses von mehreren in einem Abstand voneinander angeordneten Durchführungen (3) durchdrungen, die flammendurchschlagsfest ausgeführt sind und einen in einer Bohrung (5) längsbeweglich geführten Stößel (6) enthalten. Die Stößel (6) weisen auf der Innenseite des Gehäuses einen Kopf (8) auf, der die Bewegbarkeit der Stößel (6) nach außen als Anschlag begrenzt und die inneren Enden der Köpfe (8) liegen an einem auf der Innenseite der Wand angeordneten, federnd nachgiebigen Element (10) an, welches eine nach innen gerichtete Bewegung der Stößel (6) auf die Eingabevorrichtung überträgt.
EP09157308.9A 2008-04-09 2009-04-03 Explosionssichere Steueranordnung mit einem explosionssicheren Gehäuse Active EP2109126B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008018074A DE102008018074A1 (de) 2008-04-09 2008-04-09 Explosionssichere Steueranordnung mit einem explosionssicheren Gehäuse

Publications (3)

Publication Number Publication Date
EP2109126A2 EP2109126A2 (de) 2009-10-14
EP2109126A3 true EP2109126A3 (de) 2014-03-05
EP2109126B1 EP2109126B1 (de) 2017-06-07

Family

ID=40823336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09157308.9A Active EP2109126B1 (de) 2008-04-09 2009-04-03 Explosionssichere Steueranordnung mit einem explosionssicheren Gehäuse

Country Status (2)

Country Link
EP (1) EP2109126B1 (de)
DE (1) DE102008018074A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112012003210T5 (de) 2011-08-03 2014-08-21 Rosemount Analytical, Inc. Flammenlöschende Tastaturblockeinheit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617965A1 (de) * 1976-04-24 1977-10-27 Bbc Brown Boveri & Cie Druckfestes gehaeuse ohne spalt
DE3406295A1 (de) * 1983-02-23 1984-08-30 Karl 7108 Möckmühl Kapfer Explosionssicherer leuchtschalter und leuchttaster
DE19757023A1 (de) * 1997-12-20 1999-06-24 Eao Esa Elektro Zweigniederlas Schalteinrichtung mit Explosionsschutz

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9021188D0 (en) * 1990-09-28 1990-11-14 Telektron Ltd Membranes keyboard for pressurisation protection systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617965A1 (de) * 1976-04-24 1977-10-27 Bbc Brown Boveri & Cie Druckfestes gehaeuse ohne spalt
DE3406295A1 (de) * 1983-02-23 1984-08-30 Karl 7108 Möckmühl Kapfer Explosionssicherer leuchtschalter und leuchttaster
DE19757023A1 (de) * 1997-12-20 1999-06-24 Eao Esa Elektro Zweigniederlas Schalteinrichtung mit Explosionsschutz

Also Published As

Publication number Publication date
EP2109126B1 (de) 2017-06-07
DE102008018074A1 (de) 2009-10-15
EP2109126A2 (de) 2009-10-14

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