DE3504249C2 - Vorrichtung zur Anzeige der Verschmutzung eines Luftfilters an einem Motor - Google Patents

Vorrichtung zur Anzeige der Verschmutzung eines Luftfilters an einem Motor

Info

Publication number
DE3504249C2
DE3504249C2 DE19853504249 DE3504249A DE3504249C2 DE 3504249 C2 DE3504249 C2 DE 3504249C2 DE 19853504249 DE19853504249 DE 19853504249 DE 3504249 A DE3504249 A DE 3504249A DE 3504249 C2 DE3504249 C2 DE 3504249C2
Authority
DE
Germany
Prior art keywords
chamber
leaf spring
membrane
housing
contact shoe
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
DE19853504249
Other languages
German (de)
English (en)
Other versions
DE3504249A1 (de
Inventor
Jean-Pierre Leon Herer
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.)
Sogefi Filtration SA
Original Assignee
Labinal SA
Precision Mecanique Labinal 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 Labinal SA, Precision Mecanique Labinal SA filed Critical Labinal SA
Publication of DE3504249A1 publication Critical patent/DE3504249A1/de
Application granted granted Critical
Publication of DE3504249C2 publication Critical patent/DE3504249C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
DE19853504249 1984-02-16 1985-02-08 Vorrichtung zur Anzeige der Verschmutzung eines Luftfilters an einem Motor Expired - Fee Related DE3504249C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8402368A FR2559833B1 (fr) 1984-02-16 1984-02-16 Dispositif indicateur du colmatage d'un filtre a air d'un moteur

Publications (2)

Publication Number Publication Date
DE3504249A1 DE3504249A1 (de) 1985-08-22
DE3504249C2 true DE3504249C2 (de) 1993-10-07

Family

ID=9301105

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853504249 Expired - Fee Related DE3504249C2 (de) 1984-02-16 1985-02-08 Vorrichtung zur Anzeige der Verschmutzung eines Luftfilters an einem Motor
DE19858503444 Expired DE8503444U1 (de) 1984-02-16 1985-02-08 Vorrichtung zur Anzeige der Verschmutzung eines Luftfilters an einem Motor

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19858503444 Expired DE8503444U1 (de) 1984-02-16 1985-02-08 Vorrichtung zur Anzeige der Verschmutzung eines Luftfilters an einem Motor

Country Status (2)

Country Link
DE (2) DE3504249C2 (fr)
FR (1) FR2559833B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19630985A1 (de) * 1995-08-30 1997-03-06 Gen Motors Corp Luftfilterinstandhaltungsanzeigevorrichtung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506453A1 (de) * 1995-02-24 1996-08-29 Mann & Hummel Filter Anzeigevorrichtung zur Anzeige des Unterdrucks
US5653207A (en) * 1996-01-31 1997-08-05 James Clifford Sterling Diesel engine emergency shutoff device
DE19751942A1 (de) * 1997-11-24 1999-05-27 Mann & Hummel Filter Anzeigevorrichtung für den Verschmutzungsgrad eines Filterelements

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1389639A (fr) * 1964-01-10 1965-02-19 Dispositif de contrôle du colmatage des filtres à air de véhicules automobiles
US3939457A (en) * 1974-11-07 1976-02-17 Richard Donald Nelson Air filter restriction indicating device
FR2298097A1 (fr) * 1975-01-17 1976-08-13 Lautrette & Cie Sa Indicateur de depression maximale
FR2338395A2 (fr) * 1976-01-19 1977-08-12 Poelman Sofiltra Detecteur de colmatage pour epurateur d'air

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19630985A1 (de) * 1995-08-30 1997-03-06 Gen Motors Corp Luftfilterinstandhaltungsanzeigevorrichtung

Also Published As

Publication number Publication date
FR2559833A1 (fr) 1985-08-23
DE8503444U1 (de) 1985-08-14
DE3504249A1 (de) 1985-08-22
FR2559833B1 (fr) 1988-05-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FILTRAUTO, MONTIGNY LE BRETONNEUX, FR

8328 Change in the person/name/address of the agent

Free format text: FINKENER UND KOLLEGEN, 44795 BOCHUM

8328 Change in the person/name/address of the agent

Free format text: H. BARTELS UND KOLLEGEN, 70174 STUTTGART

8339 Ceased/non-payment of the annual fee