JP2008045485A - エンジンの燃料供給装置 - Google Patents
エンジンの燃料供給装置 Download PDFInfo
- Publication number
- JP2008045485A JP2008045485A JP2006222083A JP2006222083A JP2008045485A JP 2008045485 A JP2008045485 A JP 2008045485A JP 2006222083 A JP2006222083 A JP 2006222083A JP 2006222083 A JP2006222083 A JP 2006222083A JP 2008045485 A JP2008045485 A JP 2008045485A
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- JP
- Japan
- Prior art keywords
- fuel
- pressure
- chamber
- control means
- amount
- 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.)
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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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/38—Pumps characterised by adaptations to special uses or conditions
- F02M59/42—Pumps characterised by adaptations to special uses or conditions for starting of engines
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/0265—Pumps feeding common rails
- F02M63/027—More than one high pressure pump feeding a single common rail
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【解決手段】フィードポンプ16から複数のプランジャ5・5を備えるサプライポンプ3を介して蓄圧室2に燃料を圧送する燃料圧送経路に、蓄圧室2の燃料圧力を制御する圧力制御手段20・40を配設するエンジンの燃料供給装置において、前記フィードポンプ16から複数のプランジャ5・5を介して蓄圧室2に燃料を圧送する複数の燃料圧送経路のうち、少なくとも一つの燃料圧送経路には圧力制御手段20・40を設けず、その他の燃料圧送経路には圧力制御手段20・40を設けた。
【選択図】図1
Description
3 サプライポンプ
5 プランジャ
8 加圧室
8a 吸入用ポート
8b 吸入用ポート
14 吸入側経路
25A バイパス
25B バイパス
20 吸入量制御弁
40 圧力制御弁
Claims (6)
- フィードポンプから複数のプランジャを備えるサプライポンプを介して蓄圧室に燃料を圧送する燃料圧送経路に、蓄圧室の燃料圧力を制御する圧力制御手段を配設するエンジンの燃料供給装置において、前記フィードポンプから複数のプランジャを介して蓄圧室に燃料を圧送する複数の燃料圧送経路のうち、少なくとも一つの燃料圧送経路には圧力制御手段を設けず、その他の燃料圧送経路には圧力制御手段を設けたことを特徴とするエンジンの燃料供給装置。
- 前記圧力制御手段を設けない燃料圧送経路の圧送量は、圧力制御手段を設けた燃料圧送経路の圧送量よりも少なくなるように構成したことを特徴とする請求項1に記載のエンジンの燃料供給装置。
- 前記圧力制御手段を設けない燃料圧送経路の圧送量は、アイドル運転時に必要な燃料の圧送量よりも少なくなるように構成したことを特徴とする請求項1または請求項2に記載のエンジンの燃料供給装置。
- 前記圧力制御手段を設けない燃料圧送経路において、プランジャの加圧室への吸入側経路に逆止弁を介装するとともに、該プランジャの加圧室とフィードポンプ吐出側との間に逆止弁を迂回するバイパス経路を設けたことを特徴とする請求項1乃至請求項3の何れかに記載のエンジンの燃料供給装置。
- 前記各プランジャの加圧室への吸入側経路に逆止弁を介装するとともに、該各プランジャの加圧室とフィードポンプ吐出側との間に逆止弁を迂回するバイパス経路を設けたことを特徴とする請求項1乃至請求項4の何れかに記載のエンジンの燃料供給装置。
- フィードポンプから圧力制御手段を介して複数のプランジャを備えるサプライポンプに燃料を供給し、これをサプライポンプから蓄圧室に圧送するエンジンの燃料供給装置において、前記フィードポンプとサプライポンプとの間に圧力制御手段を迂回するバイパス経路を設け、該バイパス経路に開閉弁を設けたことを特徴とするエンジンの燃料供給装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006222083A JP4921886B2 (ja) | 2006-08-16 | 2006-08-16 | エンジンの燃料供給装置 |
PCT/JP2007/064451 WO2008020529A1 (fr) | 2006-08-16 | 2007-07-23 | Dispositif d'alimentation en carburant pour moteur |
EP07791183.2A EP2055932B1 (en) | 2006-08-16 | 2007-07-23 | Fuel supply device for engine |
KR1020097005369A KR101031422B1 (ko) | 2006-08-16 | 2007-07-23 | 엔진의 연료 공급 장치 |
CN2007800345950A CN101517224B (zh) | 2006-08-16 | 2007-07-23 | 发动机的燃料供给装置 |
US12/377,507 US7921826B2 (en) | 2006-08-16 | 2007-07-23 | Fuel supply device for engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006222083A JP4921886B2 (ja) | 2006-08-16 | 2006-08-16 | エンジンの燃料供給装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008045485A true JP2008045485A (ja) | 2008-02-28 |
JP4921886B2 JP4921886B2 (ja) | 2012-04-25 |
Family
ID=39082056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006222083A Expired - Fee Related JP4921886B2 (ja) | 2006-08-16 | 2006-08-16 | エンジンの燃料供給装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7921826B2 (ja) |
EP (1) | EP2055932B1 (ja) |
JP (1) | JP4921886B2 (ja) |
KR (1) | KR101031422B1 (ja) |
CN (1) | CN101517224B (ja) |
WO (1) | WO2008020529A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015526647A (ja) * | 2012-09-04 | 2015-09-10 | デルファイ・インターナショナル・オペレーションズ・ルクセンブルク・エス・アー・エール・エル | 燃料ポンプ装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2063093A1 (en) * | 2007-11-26 | 2009-05-27 | Delphi Technologies, Inc. | Fuel injection system |
DE102008021384B3 (de) * | 2008-04-29 | 2009-11-26 | Continental Aktiengesellschaft | Überlagerte Druckregelung des Common-Rail-Systems |
US9383228B2 (en) | 2012-12-03 | 2016-07-05 | Hamilton Sundstrand Corporation | Control voltage signal synthesis system and method |
DE102014225982A1 (de) * | 2014-12-16 | 2016-06-16 | Robert Bosch Gmbh | Pumpe, insbesondere Kraftstoffhochdruckpumpe |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08334076A (ja) * | 1995-05-26 | 1996-12-17 | Robert Bosch Gmbh | 内燃機関の燃料供給のための燃料供給装置及び内燃機関を運転する方法 |
JPH11190263A (ja) * | 1997-12-25 | 1999-07-13 | Toyota Motor Corp | 内燃機関の燃料噴射装置 |
JP2000265928A (ja) * | 1999-03-18 | 2000-09-26 | Keihin Corp | 燃料噴射装置における燃料圧力制御装置 |
JP2002349389A (ja) * | 2001-05-22 | 2002-12-04 | Toyota Motor Corp | 内燃機関高圧燃料ポンプ及び制御装置 |
JP2002364490A (ja) * | 2001-05-29 | 2002-12-18 | Robert Bosch Gmbh | 内燃機関のための燃料噴射システム |
JP2005351135A (ja) * | 2004-06-09 | 2005-12-22 | Toyota Motor Corp | 内燃機関の燃料供給装置 |
Family Cites Families (15)
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US5678521A (en) * | 1993-05-06 | 1997-10-21 | Cummins Engine Company, Inc. | System and methods for electronic control of an accumulator fuel system |
DE4407166C1 (de) * | 1994-03-04 | 1995-03-16 | Daimler Benz Ag | Kraftstoffeinspritzanlage für eine Brennkraftmaschine |
JP3842331B2 (ja) * | 1995-05-26 | 2006-11-08 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関の燃料供給のための燃料供給装置及び内燃機関を運転する方法 |
JPH11200990A (ja) * | 1998-01-07 | 1999-07-27 | Unisia Jecs Corp | 燃料噴射制御装置 |
US6694950B2 (en) * | 1999-02-17 | 2004-02-24 | Stanadyne Corporation | Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds |
JP3794205B2 (ja) | 1999-06-15 | 2006-07-05 | いすゞ自動車株式会社 | コモンレール式燃料噴射装置 |
JP2001304067A (ja) * | 2000-04-20 | 2001-10-31 | Bosch Automotive Systems Corp | 高圧燃料供給ポンプ |
WO2002038941A1 (fr) * | 2000-11-09 | 2002-05-16 | Yanmar Co.,Ltd. | Pompe d'injection distributrice a chambre d'accumulation |
DE10236314B4 (de) * | 2001-09-08 | 2005-06-16 | Robert Bosch Gmbh | Einspritzanlage für Brennkraftmaschinen mit verbesserten Starteigenschaften |
JP4110065B2 (ja) * | 2003-09-01 | 2008-07-02 | 三菱電機株式会社 | 内燃機関の燃料供給制御装置 |
JP4453028B2 (ja) * | 2005-03-30 | 2010-04-21 | 株式会社デンソー | 高圧燃料ポンプ |
US20080078362A1 (en) * | 2006-09-29 | 2008-04-03 | Caterpillar Inc. | Variable discharge pump having single control valve |
JP4297160B2 (ja) * | 2006-12-22 | 2009-07-15 | トヨタ自動車株式会社 | 内燃機関 |
US7690361B2 (en) * | 2007-09-28 | 2010-04-06 | Cummins Inc. | System and method for metering fuel in a high pressure pump system |
JP4433043B2 (ja) * | 2007-12-05 | 2010-03-17 | 株式会社デンソー | 燃料供給装置 |
-
2006
- 2006-08-16 JP JP2006222083A patent/JP4921886B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-23 CN CN2007800345950A patent/CN101517224B/zh not_active Expired - Fee Related
- 2007-07-23 EP EP07791183.2A patent/EP2055932B1/en not_active Not-in-force
- 2007-07-23 WO PCT/JP2007/064451 patent/WO2008020529A1/ja active Search and Examination
- 2007-07-23 KR KR1020097005369A patent/KR101031422B1/ko not_active IP Right Cessation
- 2007-07-23 US US12/377,507 patent/US7921826B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08334076A (ja) * | 1995-05-26 | 1996-12-17 | Robert Bosch Gmbh | 内燃機関の燃料供給のための燃料供給装置及び内燃機関を運転する方法 |
JPH11190263A (ja) * | 1997-12-25 | 1999-07-13 | Toyota Motor Corp | 内燃機関の燃料噴射装置 |
JP2000265928A (ja) * | 1999-03-18 | 2000-09-26 | Keihin Corp | 燃料噴射装置における燃料圧力制御装置 |
JP2002349389A (ja) * | 2001-05-22 | 2002-12-04 | Toyota Motor Corp | 内燃機関高圧燃料ポンプ及び制御装置 |
JP2002364490A (ja) * | 2001-05-29 | 2002-12-18 | Robert Bosch Gmbh | 内燃機関のための燃料噴射システム |
JP2005351135A (ja) * | 2004-06-09 | 2005-12-22 | Toyota Motor Corp | 内燃機関の燃料供給装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015526647A (ja) * | 2012-09-04 | 2015-09-10 | デルファイ・インターナショナル・オペレーションズ・ルクセンブルク・エス・アー・エール・エル | 燃料ポンプ装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2055932B1 (en) | 2013-07-17 |
CN101517224A (zh) | 2009-08-26 |
KR20090046942A (ko) | 2009-05-11 |
EP2055932A4 (en) | 2010-03-31 |
KR101031422B1 (ko) | 2011-04-26 |
WO2008020529A1 (fr) | 2008-02-21 |
US20100275882A1 (en) | 2010-11-04 |
US7921826B2 (en) | 2011-04-12 |
EP2055932A1 (en) | 2009-05-06 |
CN101517224B (zh) | 2011-04-13 |
JP4921886B2 (ja) | 2012-04-25 |
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