JP5579554B2 - 内燃機関の蒸発燃料制御装置 - Google Patents
内燃機関の蒸発燃料制御装置 Download PDFInfo
- Publication number
- JP5579554B2 JP5579554B2 JP2010211682A JP2010211682A JP5579554B2 JP 5579554 B2 JP5579554 B2 JP 5579554B2 JP 2010211682 A JP2010211682 A JP 2010211682A JP 2010211682 A JP2010211682 A JP 2010211682A JP 5579554 B2 JP5579554 B2 JP 5579554B2
- Authority
- JP
- Japan
- Prior art keywords
- passage
- valve body
- intake
- internal combustion
- combustion engine
- 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.)
- Expired - Fee Related
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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)
Description
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複数の下流側通路を開閉制御し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。
16…本体部 18…吸気マニホールド
20…スロットルバルブ 22…インジェクタ
24a〜24d…吸気通路 34…燃料タンク
38…キャニスタ 40…バイパス配管
42、100…切換弁 44…駆動部
46…パージ配管 48…第1通路部
50a〜50d…第2通路部 52…連通室
54…ボディ 56、102…弁体
58…駆動シャフト 60…環状凹部
104a〜104d…溝部
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複数の下流側通路を開閉制御し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。 - 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。 - 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。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010211682A JP5579554B2 (ja) | 2010-09-22 | 2010-09-22 | 内燃機関の蒸発燃料制御装置 |
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 (ja) | 2010-09-22 | 2010-09-22 | 内燃機関の蒸発燃料制御装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012067645A JP2012067645A (ja) | 2012-04-05 |
JP2012067645A5 JP2012067645A5 (ja) | 2013-07-25 |
JP5579554B2 true JP5579554B2 (ja) | 2014-08-27 |
Family
ID=44993975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010211682A Expired - Fee Related JP5579554B2 (ja) | 2010-09-22 | 2010-09-22 | 内燃機関の蒸発燃料制御装置 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2434136B1 (ja) |
JP (1) | JP5579554B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107076060B (zh) * | 2014-08-08 | 2019-09-03 | 雅马哈发动机株式会社 | 发动机单元和骑乘式车辆 |
BR112017002530B1 (pt) * | 2014-08-08 | 2021-12-28 | Yamaha Hatsudoki Kabushiki Kaisha | Unidade de motor e veículo do tipo sela |
CN110529271B (zh) * | 2014-08-08 | 2022-08-09 | 雅马哈发动机株式会社 | 发动机单元和骑乘式车辆 |
JP6869150B2 (ja) * | 2017-09-13 | 2021-05-12 | 日立Astemo株式会社 | 過給機付内燃機関の蒸発燃料処理装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2830505B2 (ja) * | 1991-05-21 | 1998-12-02 | トヨタ自動車株式会社 | 多気筒内燃機関における蒸発燃料のパージシステム |
FR2704601B1 (fr) * | 1993-04-26 | 1995-07-13 | Renault | Système d'alimentation d'air pour injecteurs de carburant du type à manteau d'air équipant un moteur à combustion interne. |
DE4343654A1 (de) * | 1993-12-21 | 1995-06-22 | Bosch Gmbh Robert | Verfahren und Anlage zur Tankentlüftung |
DE4430971A1 (de) * | 1994-08-31 | 1996-03-07 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zur Zufuhr von Kraftstoffdampf in ein Saugrohr einer Brennkraftmaschine in Kraftfahrzeugen |
JPH10259766A (ja) * | 1997-03-18 | 1998-09-29 | Toyota Motor Corp | 燃料蒸発ガスのパージ量調整機構 |
JP2000186653A (ja) * | 1998-12-22 | 2000-07-04 | Sanshin Ind Co Ltd | エンジン |
JP2001027217A (ja) * | 1999-07-16 | 2001-01-30 | Cosmo Industry:Kk | ストッパー付ナット |
JP2007198131A (ja) * | 2006-01-23 | 2007-08-09 | Toyota Motor Corp | 多気筒内燃機関の蒸発燃料処理装置 |
JP2009097342A (ja) * | 2007-10-12 | 2009-05-07 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2009167962A (ja) * | 2008-01-18 | 2009-07-30 | Toyota Motor Corp | 内燃機関の蒸発燃料処理装置 |
-
2010
- 2010-09-22 JP JP2010211682A patent/JP5579554B2/ja not_active Expired - Fee Related
-
2011
- 2011-07-29 EP EP11175942.9A patent/EP2434136B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2434136B1 (en) | 2016-04-27 |
JP2012067645A (ja) | 2012-04-05 |
EP2434136A2 (en) | 2012-03-28 |
EP2434136A3 (en) | 2014-09-17 |
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