FR2689784B1 - - Google Patents

Info

Publication number
FR2689784B1
FR2689784B1 FR9204684A FR9204684A FR2689784B1 FR 2689784 B1 FR2689784 B1 FR 2689784B1 FR 9204684 A FR9204684 A FR 9204684A FR 9204684 A FR9204684 A FR 9204684A FR 2689784 B1 FR2689784 B1 FR 2689784B1
Authority
FR
France
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
FR9204684A
Other languages
French (fr)
Other versions
FR2689784A1 (fr
Inventor
Roger Robin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9204684A priority Critical patent/FR2689784A1/fr
Priority to US08/047,099 priority patent/US5429649A/en
Priority to EP93400961A priority patent/EP0566479B1/fr
Priority to DE69300790T priority patent/DE69300790T2/de
Priority to JP5087553A priority patent/JPH0671124A/ja
Publication of FR2689784A1 publication Critical patent/FR2689784A1/fr
Application granted granted Critical
Publication of FR2689784B1 publication Critical patent/FR2689784B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using thermal variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/0066—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using differences of pressure in the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
FR9204684A 1992-04-14 1992-04-14 Dispositif de détection de colmatage de filtres. Granted FR2689784A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9204684A FR2689784A1 (fr) 1992-04-14 1992-04-14 Dispositif de détection de colmatage de filtres.
US08/047,099 US5429649A (en) 1992-04-14 1993-04-13 Device for the detection of the clogging of an air filter
EP93400961A EP0566479B1 (fr) 1992-04-14 1993-04-13 Dispositif de détection d'encrassement d'un filtre à air
DE69300790T DE69300790T2 (de) 1992-04-14 1993-04-13 Verschmutzungsdetektor für Luftfilter.
JP5087553A JPH0671124A (ja) 1992-04-14 1993-04-14 空気ろ過器の目詰まり検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204684A FR2689784A1 (fr) 1992-04-14 1992-04-14 Dispositif de détection de colmatage de filtres.

Publications (2)

Publication Number Publication Date
FR2689784A1 FR2689784A1 (fr) 1993-10-15
FR2689784B1 true FR2689784B1 (nl) 1994-07-13

Family

ID=9428933

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204684A Granted FR2689784A1 (fr) 1992-04-14 1992-04-14 Dispositif de détection de colmatage de filtres.

Country Status (1)

Country Link
FR (1) FR2689784A1 (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932394B1 (fr) 2008-06-17 2010-07-30 Atlantic Climatisation & Venti Procede de determination du niveau de colmatage de filtres a air

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790931A (en) * 1972-06-30 1974-02-05 Allis Chalmers Filter bypass warning circuit on a motor vehicle
DE3642992A1 (de) * 1986-12-17 1988-06-30 Otto Dipl Ing Klein Verfahren zur feststellung des verschmutzungsgrades eines reinigunselementes

Also Published As

Publication number Publication date
FR2689784A1 (fr) 1993-10-15

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Legal Events

Date Code Title Description
CL Concession to grant licenses
CL Concession to grant licenses
ST Notification of lapse