FR2689784A1 - Dispositif de détection de colmatage de filtres. - Google Patents

Dispositif de détection de colmatage de filtres. Download PDF

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Publication number
FR2689784A1
FR2689784A1 FR9204684A FR9204684A FR2689784A1 FR 2689784 A1 FR2689784 A1 FR 2689784A1 FR 9204684 A FR9204684 A FR 9204684A FR 9204684 A FR9204684 A FR 9204684A FR 2689784 A1 FR2689784 A1 FR 2689784A1
Authority
FR
France
Prior art keywords
air
filter
air filter
duct
bypass pipe
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
FR9204684A
Other languages
English (en)
French (fr)
Other versions
FR2689784B1 (US06380249-20020430-C00008.png
Inventor
Robin Roger
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 DE69300790T priority patent/DE69300790T2/de
Priority to EP93400961A priority patent/EP0566479B1/fr
Priority to US08/047,099 priority patent/US5429649A/en
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)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (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.
DE69300790T DE69300790T2 (de) 1992-04-14 1993-04-13 Verschmutzungsdetektor für Luftfilter.
EP93400961A EP0566479B1 (fr) 1992-04-14 1993-04-13 Dispositif de détection d'encrassement d'un filtre à air
US08/047,099 US5429649A (en) 1992-04-14 1993-04-13 Device for the detection of the clogging of an air filter
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 true FR2689784A1 (fr) 1993-10-15
FR2689784B1 FR2689784B1 (US06380249-20020430-C00008.png) 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 (US06380249-20020430-C00008.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932394A1 (fr) * 2008-06-17 2009-12-18 Atlantic Climatisation & Venti Procede de determination du niveau de colmatage de filtres a air

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2932394A1 (fr) * 2008-06-17 2009-12-18 Atlantic Climatisation & Venti Procede de determination du niveau de colmatage de filtres a air
EP2135660A1 (fr) 2008-06-17 2009-12-23 Atlantic Climatisation et Ventilation Procédé de détermination du niveau de colmatage de filtres à air

Also Published As

Publication number Publication date
FR2689784B1 (US06380249-20020430-C00008.png) 1994-07-13

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