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EP2434136A3 - Evaporative fuel control apparatus for internal combustion engine - Google Patents

Evaporative fuel control apparatus for internal combustion engine Download PDF

Info

Publication number
EP2434136A3
EP2434136A3 EP11175942.9A EP11175942A EP2434136A3 EP 2434136 A3 EP2434136 A3 EP 2434136A3 EP 11175942 A EP11175942 A EP 11175942A EP 2434136 A3 EP2434136 A3 EP 2434136A3
Authority
EP
European Patent Office
Prior art keywords
evaporative fuel
passages
combustion engine
internal combustion
control apparatus
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
EP11175942.9A
Other languages
German (de)
French (fr)
Other versions
EP2434136A2 (en
EP2434136B1 (en
Inventor
Junji Shirai
Kuniaki Takahashi
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.)
Hitachi Astemo Ltd
Original Assignee
Keihin Corp
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 Keihin Corp filed Critical Keihin Corp
Publication of EP2434136A2 publication Critical patent/EP2434136A2/en
Publication of EP2434136A3 publication Critical patent/EP2434136A3/en
Application granted granted Critical
Publication of EP2434136B1 publication Critical patent/EP2434136B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
    • F02D9/1095—Rotating on a common axis, e.g. having a common shaft
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0872—Details of the fuel vapour pipes or conduits
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/089—Layout of the fuel vapour installation
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M2025/0845—Electromagnetic valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)

Abstract

In an evaporative fuel control apparatus (10), a first passage (48) of a bypass conduit (40) is connected between an upstream side of an intake passage (24b) and a switching valve (42), and second passages (50a to 50d) interconnect the switching valve (42) and downstream sides of respective intake passages (24a to 24d), whereas a purge conduit (46) to which the evaporative fuel is supplied is connected with respect to the switching valve (42). The switching valve (42) is operated responsive to a driven state of the internal combustion engine (12), thus switching between a communication state between the first passage (48) and the second passages (50a to 50d), and a communication state between the purge conduit (46) and the second passages (50a to 50d), such that intake air or evaporative fuel is made to flow to the intake passages (24a to 24d).
EP11175942.9A 2010-09-22 2011-07-29 Evaporative fuel control apparatus for internal combustion engine Not-in-force EP2434136B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010211682A JP5579554B2 (en) 2010-09-22 2010-09-22 Evaporative fuel control device for internal combustion engine

Publications (3)

Publication Number Publication Date
EP2434136A2 EP2434136A2 (en) 2012-03-28
EP2434136A3 true EP2434136A3 (en) 2014-09-17
EP2434136B1 EP2434136B1 (en) 2016-04-27

Family

ID=44993975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11175942.9A Not-in-force EP2434136B1 (en) 2010-09-22 2011-07-29 Evaporative fuel control apparatus for internal combustion engine

Country Status (2)

Country Link
EP (1) EP2434136B1 (en)
JP (1) JP5579554B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112017002531B1 (en) * 2014-08-08 2021-12-07 Yamaha Hatsudoki Kabushiki Kaisha ENGINE AND VEHICLE UNIT TO BE ASSEMBLED
WO2016021247A1 (en) * 2014-08-08 2016-02-11 ヤマハ発動機株式会社 Engine unit and saddled vehicle
BR112017002534B8 (en) * 2014-08-08 2022-09-06 Yamaha Motor Co Ltd ENGINE UNIT AND CARRIER VEHICLE
JP6869150B2 (en) * 2017-09-13 2021-05-12 日立Astemo株式会社 Evaporative fuel processing device for internal combustion engine with supercharger
JP2024132580A (en) * 2023-03-17 2024-10-01 株式会社ミクニ Air flow control valve and multiple throttle device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2704601A1 (en) * 1993-04-26 1994-11-04 Renault Air supply system for fuel injectors of the air-shrouded type equipping internal combustion engines
EP0699832A2 (en) * 1994-08-31 1996-03-06 Bayerische Motoren Werke Aktiengesellschaft Method of and device for admitting fuel vapour in a suction tube of an engine in a vehicle
US20090183500A1 (en) * 2008-01-18 2009-07-23 Toyota Jidosha Kabushiki Kaisha Evaporative fuel treatment apparatus for internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2830505B2 (en) * 1991-05-21 1998-12-02 トヨタ自動車株式会社 Evaporative fuel purge system in a multi-cylinder internal combustion engine
DE4343654A1 (en) * 1993-12-21 1995-06-22 Bosch Gmbh Robert Process and plant for tank ventilation
JPH10259766A (en) * 1997-03-18 1998-09-29 Toyota Motor Corp Fuel evaporation gas purge amount adjustment mechanism
JP2000186653A (en) * 1998-12-22 2000-07-04 Sanshin Ind Co Ltd Engine
JP2001027217A (en) * 1999-07-16 2001-01-30 Cosmo Industry:Kk Nut with stopper
JP2007198131A (en) * 2006-01-23 2007-08-09 Toyota Motor Corp Evaporative fuel treatment device for multi-cylinder internal combustion engine
JP2009097342A (en) * 2007-10-12 2009-05-07 Toyota Motor Corp Control device for internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2704601A1 (en) * 1993-04-26 1994-11-04 Renault Air supply system for fuel injectors of the air-shrouded type equipping internal combustion engines
EP0699832A2 (en) * 1994-08-31 1996-03-06 Bayerische Motoren Werke Aktiengesellschaft Method of and device for admitting fuel vapour in a suction tube of an engine in a vehicle
US20090183500A1 (en) * 2008-01-18 2009-07-23 Toyota Jidosha Kabushiki Kaisha Evaporative fuel treatment apparatus for internal combustion engine

Also Published As

Publication number Publication date
EP2434136A2 (en) 2012-03-28
JP5579554B2 (en) 2014-08-27
EP2434136B1 (en) 2016-04-27
JP2012067645A (en) 2012-04-05

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