EP0795884A3 - Pressure switch - Google Patents

Pressure switch Download PDF

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Publication number
EP0795884A3
EP0795884A3 EP97103153A EP97103153A EP0795884A3 EP 0795884 A3 EP0795884 A3 EP 0795884A3 EP 97103153 A EP97103153 A EP 97103153A EP 97103153 A EP97103153 A EP 97103153A EP 0795884 A3 EP0795884 A3 EP 0795884A3
Authority
EP
European Patent Office
Prior art keywords
pressure switch
spider
switch
force
dishwashers
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
EP97103153A
Other languages
German (de)
French (fr)
Other versions
EP0795884B1 (en
EP0795884A2 (en
Inventor
Albert Dirnberger
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.)
Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
Original Assignee
Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
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 Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA filed Critical Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
Publication of EP0795884A2 publication Critical patent/EP0795884A2/en
Publication of EP0795884A3 publication Critical patent/EP0795884A3/en
Application granted granted Critical
Publication of EP0795884B1 publication Critical patent/EP0795884B1/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
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2657—Details with different switches operated at substantially different pressures
    • H01H35/2664—Details with different switches operated at substantially different pressures making use of a balance plate pivoting about different axes

Abstract

Ein Druckschalter für zum Beispiel Wasch- oder Geschirrspülmaschinen soll in der Lage sein, zumindest einen Schalter sehr genau mit hoher Kraft bei nur geringen Drücken zu betätigen. Der membranbetätigte Druckschalter weist eine Spinne (12) auf mit Hebelarmen (12a), (12c) und (12d). Ein Hebelarm (12d) stützt die Spinne (12) bei Schalterbetätigung in einer Richtung ab, die zumindest annähernd der Richtung entgegengesetzt ist, in der die Spinne (12) durch eine Kraft (M) niedergedrückt wird.

Figure 00000001
A pressure switch for washing machines or dishwashers, for example, should be able to actuate at least one switch very precisely with high force at only low pressures. The membrane-operated pressure switch has a spider (12) with lever arms (12a), (12c) and (12d). A lever arm (12d) supports the spider (12) when the switch is actuated in a direction which is at least approximately opposite to the direction in which the spider (12) is pressed down by a force (M).
Figure 00000001
EP97103153A 1996-03-15 1997-02-26 Pressure switch Expired - Lifetime EP0795884B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19610254A DE19610254C1 (en) 1996-03-15 1996-03-15 Pressure switch for washing machines, etc.
DE19610254 1996-03-15

Publications (3)

Publication Number Publication Date
EP0795884A2 EP0795884A2 (en) 1997-09-17
EP0795884A3 true EP0795884A3 (en) 1998-09-30
EP0795884B1 EP0795884B1 (en) 2003-10-15

Family

ID=7788421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103153A Expired - Lifetime EP0795884B1 (en) 1996-03-15 1997-02-26 Pressure switch

Country Status (3)

Country Link
EP (1) EP0795884B1 (en)
DE (2) DE19610254C1 (en)
ES (1) ES2208778T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004041403B3 (en) * 2004-08-26 2005-11-24 Elektromanufaktur Zangenstein Hanauer Gmbh & Co. Kgaa Integrated pressure dependent switch such as for pressure sensors in household appliances such as washing machines having a pressure sensing elastic element connected to one end of a lever

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493957A (en) * 1983-03-11 1985-01-15 Red Dot Corporation Multimodal pressure switch
GB2237933A (en) * 1989-11-01 1991-05-15 Mitsuku Denshi Kogyo An electrical switch
EP0347904B1 (en) * 1988-06-24 1992-09-02 Elektromanufaktur Zangenstein Hanauer GmbH & Co. Multiple pressure switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493957A (en) * 1983-03-11 1985-01-15 Red Dot Corporation Multimodal pressure switch
EP0347904B1 (en) * 1988-06-24 1992-09-02 Elektromanufaktur Zangenstein Hanauer GmbH & Co. Multiple pressure switch
GB2237933A (en) * 1989-11-01 1991-05-15 Mitsuku Denshi Kogyo An electrical switch

Also Published As

Publication number Publication date
EP0795884B1 (en) 2003-10-15
DE19610254C1 (en) 1997-05-28
EP0795884A2 (en) 1997-09-17
ES2208778T3 (en) 2004-06-16
DE59710843D1 (en) 2003-11-20

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