JP2012067645A5 - - Google Patents

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Publication number
JP2012067645A5
JP2012067645A5 JP2010211682A JP2010211682A JP2012067645A5 JP 2012067645 A5 JP2012067645 A5 JP 2012067645A5 JP 2010211682 A JP2010211682 A JP 2010211682A JP 2010211682 A JP2010211682 A JP 2010211682A JP 2012067645 A5 JP2012067645 A5 JP 2012067645A5
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JP
Japan
Prior art keywords
passage
fuel control
evaporative fuel
valve body
control device
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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.)
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Application number
JP2010211682A
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Japanese (ja)
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JP5579554B2 (en
JP2012067645A (en
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Publication date
Application filed filed Critical
Priority to JP2010211682A priority Critical patent/JP5579554B2/en
Priority claimed from JP2010211682A external-priority patent/JP5579554B2/en
Priority to EP11175942.9A priority patent/EP2434136B1/en
Publication of JP2012067645A publication Critical patent/JP2012067645A/en
Publication of JP2012067645A5 publication Critical patent/JP2012067645A5/ja
Application granted granted Critical
Publication of JP5579554B2 publication Critical patent/JP5579554B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Description

さらに、連通部は、弁体の外周面において、軸線方向に沿った中央部に形成された環状の凹部からなり、前記凹部を介してパージ通路と下流側通路とを連通させるとよい。
Furthermore, the communication part is preferably formed of an annular recess formed in the central part along the axial direction on the outer peripheral surface of the valve body , and the purge passage and the downstream passage are communicated with each other via the recess.

さらにまた、連通部は、弁体の外周面において、軸線方向に沿って延在し、下流側通路の開口部に臨んで形成された溝部からなり、前記溝部を介してパージ通路と下流側通路とを連通させるとよい。
Furthermore, the communication portion is formed of a groove portion extending along the axial direction on the outer peripheral surface of the valve body and facing the opening portion of the downstream side passage, and the purge passage and the downstream side passage through the groove portion. It is good to communicate with.

Claims (3)

複数のシリンダ室に吸入空気を供給する吸気通路と、該吸気通路に設けられ前記吸入空気の流量を制御するスロットルバルブとを有した内燃機関に用いられ、気化した蒸発燃料を前記吸気通路を通じて前記シリンダ室へと供給する蒸発燃料制御装置において、
前記吸気通路における前記スロットルバルブの上流側に接続される上流側通路と、該吸気通路における前記スロットルバルブの下流側に接続される複数の下流側通路とからなるバイパス通路と、
前記バイパス通路に接続され、ボディと、該ボディの内部に変位自在に設けられる弁体と、該弁体を軸線方向に沿って変位させる駆動部とを有し、前記弁体の変位によって前記バイパス通路の連通状態を切換自在な切換弁と、
前記切換弁に接続され前記蒸発燃料の流通するパージ通路と、
を備え、
前記パージ通路及びバイパス通路は、前記ボディにおいて軸線方向に沿って互いに離間して接続され、前記弁体を変位させることによって該弁体に設けられた連通部を介して前記下流側通路に対する前記上流側通路、又は、前記パージ通路の連通状態を切り換えることを特徴とする内燃機関の蒸発燃料制御装置。
Used in an internal combustion engine having an intake passage that supplies intake air to a plurality of cylinder chambers, and a throttle valve that is provided in the intake passage and controls the flow rate of the intake air. In the evaporative fuel control device that supplies the cylinder chamber,
A bypass passage comprising an upstream passage connected to the upstream side of the throttle valve in the intake passage, and a plurality of downstream passages connected to the downstream side of the throttle valve in the intake passage;
A body connected to the bypass passage; a valve body provided inside the body so as to be displaceable; and a drive unit that displaces the valve body along an axial direction. A switching valve capable of switching the communication state of the passage,
A purge passage connected to the switching valve and through which the evaporated fuel flows;
With
The purge passage and the bypass passage are connected apart from each other along the axial direction in the body and displace the valve body to displace the upstream passage with respect to the downstream passage through a communication portion provided in the valve body. An evaporative fuel control device for an internal combustion engine, wherein the communication state of the side passage or the purge passage is switched.
請求項1記載の蒸発燃料制御装置において、
前記連通部は、前記弁体の外周面において、軸線方向に沿った中央部に形成された環状の凹部からなり、前記凹部を介して前記パージ通路と前記下流側通路とが連通可能に設けられることを特徴とする内燃機関の蒸発燃料制御装置。
The evaporative fuel control device according to claim 1,
The communication portion is formed of an annular recess formed in the central portion along the axial direction on the outer peripheral surface of the valve body , and is provided so that the purge passage and the downstream passage can communicate with each other via the recess. An evaporative fuel control apparatus for an internal combustion engine characterized by the above.
請求項1記載の蒸発燃料制御装置において、
前記連通部は、前記弁体の外周面において、軸線方向に沿って延在し、前記下流側通路の開口部に臨んで形成された溝部からなり、前記溝部を介して前記パージ通路と前記下流側通路とが連通可能に設けられることを特徴とする内燃機関の蒸発燃料制御装置。
The evaporative fuel control device according to claim 1,
The communication portion includes a groove portion that extends along the axial direction on the outer peripheral surface of the valve body and faces the opening portion of the downstream side passage, and the purge passage and the downstream side through the groove portion. An evaporative fuel control device for an internal combustion engine, characterized in that the side passage is provided so as to be able to communicate therewith.
JP2010211682A 2010-09-22 2010-09-22 Evaporative fuel control device for internal combustion engine Expired - Fee Related JP5579554B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010211682A JP5579554B2 (en) 2010-09-22 2010-09-22 Evaporative fuel control device for internal combustion engine
EP11175942.9A EP2434136B1 (en) 2010-09-22 2011-07-29 Evaporative fuel control apparatus for internal combustion engine

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
JP2012067645A JP2012067645A (en) 2012-04-05
JP2012067645A5 true JP2012067645A5 (en) 2013-07-25
JP5579554B2 JP5579554B2 (en) 2014-08-27

Family

ID=44993975

Family Applications (1)

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

Country Status (2)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107076060B (en) * 2014-08-08 2019-09-03 雅马哈发动机株式会社 Engine unit and Straddle riding type vehicle
WO2016021247A1 (en) * 2014-08-08 2016-02-11 ヤマハ発動機株式会社 Engine unit and saddled vehicle
EP3633178B1 (en) * 2014-08-08 2021-04-07 Yamaha Hatsudoki Kabushiki Kaisha Engine unit and saddled 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

Family Cites Families (10)

* 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
FR2704601B1 (en) * 1993-04-26 1995-07-13 Renault Air supply system for fuel injectors of the air mantle type fitted to an internal combustion engine.
DE4343654A1 (en) * 1993-12-21 1995-06-22 Bosch Gmbh Robert Process and plant for tank ventilation
DE4430971A1 (en) * 1994-08-31 1996-03-07 Bayerische Motoren Werke Ag Method and device for supplying fuel vapor into an intake manifold of an internal combustion engine in motor vehicles
JPH10259766A (en) * 1997-03-18 1998-09-29 Toyota Motor Corp Purge amount regulating mechanism for evaporated fuel gas
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 Evaporated-fuel treatment device of multi-cylinder internal combustion engine
JP2009097342A (en) * 2007-10-12 2009-05-07 Toyota Motor Corp Control device for internal combustion engine
JP2009167962A (en) * 2008-01-18 2009-07-30 Toyota Motor Corp Evaporated fuel treatment device for internal combustion engine

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