DE3161947D1 - Membrane switching element to actuate an indicator - Google Patents

Membrane switching element to actuate an indicator

Info

Publication number
DE3161947D1
DE3161947D1 DE8181104351T DE3161947T DE3161947D1 DE 3161947 D1 DE3161947 D1 DE 3161947D1 DE 8181104351 T DE8181104351 T DE 8181104351T DE 3161947 T DE3161947 T DE 3161947T DE 3161947 D1 DE3161947 D1 DE 3161947D1
Authority
DE
Germany
Prior art keywords
actuate
indicator
switching element
membrane switching
membrane
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
DE8181104351T
Other languages
English (en)
Inventor
Hellmuth Dipl Ing Gutjahr
Ditrich Dipl Ing Lenzen
Berthold Pscheidt
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.)
Knecht Filterwerk GmbH
Original Assignee
Knecht Filterwerk 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 Knecht Filterwerk GmbH filed Critical Knecht Filterwerk GmbH
Priority to DE8181104351T priority Critical patent/DE3161947D1/de
Application granted granted Critical
Publication of DE3161947D1 publication Critical patent/DE3161947D1/de
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/09—Clogging indicators ; Diagnosis or testing of air cleaners

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
DE8181104351T 1980-07-30 1981-06-05 Membrane switching element to actuate an indicator Expired DE3161947D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8181104351T DE3161947D1 (en) 1980-07-30 1981-06-05 Membrane switching element to actuate an indicator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803028858 DE3028858A1 (de) 1980-07-30 1980-07-30 Membran-schaltelement zur betaetigung einer anzeigevorrichtung
DE8181104351T DE3161947D1 (en) 1980-07-30 1981-06-05 Membrane switching element to actuate an indicator

Publications (1)

Publication Number Publication Date
DE3161947D1 true DE3161947D1 (en) 1984-02-23

Family

ID=6108457

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19803028858 Withdrawn DE3028858A1 (de) 1980-07-30 1980-07-30 Membran-schaltelement zur betaetigung einer anzeigevorrichtung
DE8181104351T Expired DE3161947D1 (en) 1980-07-30 1981-06-05 Membrane switching element to actuate an indicator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19803028858 Withdrawn DE3028858A1 (de) 1980-07-30 1980-07-30 Membran-schaltelement zur betaetigung einer anzeigevorrichtung

Country Status (2)

Country Link
EP (1) EP0044922B1 (de)
DE (2) DE3028858A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036698A (en) * 1990-05-04 1991-08-06 Allied-Signal Inc. Method and apparatus for predicting life of air filter cartridges
US7414207B2 (en) 2005-01-28 2008-08-19 Engineered Products Company Non-locking switch for filter monitoring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1232788B (de) * 1962-10-15 1967-01-19 Bacharach Ind Instr Company Saugdruckmesser
US3312187A (en) * 1966-02-02 1967-04-04 Ford Motor Co Fluid filter assembly having a warning indicator
US3556043A (en) * 1968-12-16 1971-01-19 Ambac Ind Filter gauge
DE7005833U (de) * 1970-02-19 1970-05-21 Vdo Schindling Membran fuer ein durch unterdruck betaetigbares schaltorgan.

Also Published As

Publication number Publication date
EP0044922A1 (de) 1982-02-03
DE3028858A1 (de) 1982-02-18
EP0044922B1 (de) 1984-01-18

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee