JPS64348A - Plugging detection device in air cleaner for internal combustion engine - Google Patents

Plugging detection device in air cleaner for internal combustion engine

Info

Publication number
JPS64348A
JPS64348A JP15415387A JP15415387A JPS64348A JP S64348 A JPS64348 A JP S64348A JP 15415387 A JP15415387 A JP 15415387A JP 15415387 A JP15415387 A JP 15415387A JP S64348 A JPS64348 A JP S64348A
Authority
JP
Japan
Prior art keywords
pressure
stream side
air cleaner
fluctuation
plugging
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
JP15415387A
Other languages
Japanese (ja)
Other versions
JPH01348A (en
JP2513235B2 (en
Inventor
Kazuyuki Horie
Yasushi Shiroi
Kenichi Kubota
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.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP15415387A priority Critical patent/JP2513235B2/en
Publication of JPS64348A publication Critical patent/JPS64348A/en
Publication of JPH01348A publication Critical patent/JPH01348A/en
Application granted granted Critical
Publication of JP2513235B2 publication Critical patent/JP2513235B2/en
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

Abstract

PURPOSE:To enable the effect of fluctuation in intake air to be eliminated by arranging a valve body energized by springs to the direction of a pressure detector in a pressure introduction pipe where the plugging of an air cleaner is detected by connecting the pressure detector to the pressure introduction pipe extended from an intake pipe. CONSTITUTION:Pressure introduction pipes 2a and 2b are extended from an intake pipe 4 at the down-stream side and the up-stream side of an air cleaner 3 respectively for allowing a pressure detecting section 1 to be connected. The aforesaid pressure detecting section 1 is equipped with a cylindrical holding member 13 at the center of the inner cylinder of a main body housing 11 in a form of a double cylinder so as to let the aforesaid holding section 13 hold a semi-conductor pressure sensing chip 14 in such a way that the inner cylinder is crossed over thereby at its center, and is also so constituted that the valve bodies 6a and 6b energized by coil springs 5a and 5b are arranged at the right and left inner cylinders of the holding member 13. And the opening/closing motion of the valve bodies 6a and 6b interlocked with the fluctuation of exhaust gas thereby allows the fluctuation of exhaust gas to be rectified, and when the difference in negative pressure within the intake pipe between the up-stream side and the down-stream side exceeds a preset value, the detection thereof is made by the pressure sensing chip 14 for letting a warning light for plugging be lighted.
JP15415387A 1987-06-19 1987-06-19 Clogging detection device for air cleaner for internal combustion engine Expired - Fee Related JP2513235B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15415387A JP2513235B2 (en) 1987-06-19 1987-06-19 Clogging detection device for air cleaner for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15415387A JP2513235B2 (en) 1987-06-19 1987-06-19 Clogging detection device for air cleaner for internal combustion engine

Publications (3)

Publication Number Publication Date
JPS64348A true JPS64348A (en) 1989-01-05
JPH01348A JPH01348A (en) 1989-01-05
JP2513235B2 JP2513235B2 (en) 1996-07-03

Family

ID=15578012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15415387A Expired - Fee Related JP2513235B2 (en) 1987-06-19 1987-06-19 Clogging detection device for air cleaner for internal combustion engine

Country Status (1)

Country Link
JP (1) JP2513235B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019595A1 (en) * 1993-02-23 1994-09-01 Motorenfabrik Hatz Gmbh & Co. Kg Reciprocating piston engine
DE202013101812U1 (en) * 2013-04-26 2014-08-06 Makita Corporation Air filter condition measuring device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103899452A (en) * 2014-04-17 2014-07-02 中国北车集团大连机车车辆有限公司 Method for monitoring air filter of diesel engine applicable to plateau and locomotive applicable to plateau

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019595A1 (en) * 1993-02-23 1994-09-01 Motorenfabrik Hatz Gmbh & Co. Kg Reciprocating piston engine
US5562076A (en) * 1993-02-23 1996-10-08 Motorenfabrik Hatz-Gmbh & Co. Kg Reciprocating piston engine
DE202013101812U1 (en) * 2013-04-26 2014-08-06 Makita Corporation Air filter condition measuring device

Also Published As

Publication number Publication date
JP2513235B2 (en) 1996-07-03

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees