JP5448872B2 - 直噴内燃エンジンの燃料システム - Google Patents
直噴内燃エンジンの燃料システム Download PDFInfo
- Publication number
- JP5448872B2 JP5448872B2 JP2010010544A JP2010010544A JP5448872B2 JP 5448872 B2 JP5448872 B2 JP 5448872B2 JP 2010010544 A JP2010010544 A JP 2010010544A JP 2010010544 A JP2010010544 A JP 2010010544A JP 5448872 B2 JP5448872 B2 JP 5448872B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel rail
- fuel
- clamp
- internal combustion
- direct injection
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- 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
-
- 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
- F02M63/0275—Arrangement of common rails
-
- 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
- F02M63/0275—Arrangement of common rails
- F02M63/0285—Arrangement of common rails having more than one common rail
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
- F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
また、第1燃料レール及び第2燃料レールの一端に渡って固定され、第1燃料レール及び第2燃料レールの一端にそれぞれ嵌合する凹部を有する剛体からなるクランプにより、簡潔な構成で確実にクランプを燃料レールに固定することができる。
26:燃料噴射器
28:燃料噴射器穴
44、104:運動質量
46:弾性部材
30:燃料レール
32:燃料室
40、50、80、100:クランプ
60:バンド状クランプ
70:エラストマー部材
110:流体管
120:固定部材
122:リブ
124:固定部材溝
125:外部ネジ部
126:内部ネジ部
Claims (4)
- エンジンブロックを有する直噴内燃エンジンの燃料システムに加わる機械的応力を低減する応力低減装置において、
前記エンジンブロックに取り付けられた第1燃料レール及び第2燃料レールと、前記エンジンブロックに連動した前記第1燃料レール及び第2燃料レールの運動を低減させる運動低減手段とを有し、前記運動低減手段は前記第1燃料レール及び第2燃料レールの少なくとも一部の周囲又は前記第1燃料レール及び第2燃料レールの一端に配置されたクランプを有し、前記クランプは前記第1燃料レール及び第2燃料レールに渡って延び、前記第1燃料レール及び第2燃料レールの周囲に堅固に固定され、前記クランプに弾性部材を介して設けられた運動質量を有することを特徴とする直噴内燃エンジンの応力低減装置。 - 請求項1において、前記弾性部材はバネを有することを特徴とする直噴内燃エンジンの応力低減装置。
- エンジンブロックを有する直噴内燃エンジンの燃料システムに加わる機械的応力を低減する応力低減装置において、
前記エンジンブロックに取り付けられた第1燃料レール及び第2燃料レールと、前記エンジンブロックに連動した前記第1燃料レール及び第2燃料レールの運動を低減させる運動低減手段とを有し、前記運動低減手段は前記第1燃料レール及び第2燃料レールの少なくとも一部の周囲又は前記第1燃料レール及び第2燃料レールの一端に配置されたクランプを有し、前記第1燃料レール及び第2燃料レールは細長く互いに並んで配置されており、且つ、前記クランプは前記第1燃料レール及び第2燃料レールの一端にそれぞれ嵌合する凹部を有する剛体からなることを特徴とする直噴内燃エンジンの応力低減装置。 - 請求項3において、前記第1燃料レール及び第2燃料レールの他端に渡って固定された第2のクランプを有することを特徴とする直噴内燃エンジンの応力低減装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/414,151 | 2009-03-30 | ||
US12/414,151 US7980226B2 (en) | 2009-03-30 | 2009-03-30 | Fuel system for a direct injection engine |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010236535A JP2010236535A (ja) | 2010-10-21 |
JP2010236535A5 JP2010236535A5 (ja) | 2012-10-04 |
JP5448872B2 true JP5448872B2 (ja) | 2014-03-19 |
Family
ID=42333447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010010544A Active JP5448872B2 (ja) | 2009-03-30 | 2010-01-21 | 直噴内燃エンジンの燃料システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US7980226B2 (ja) |
EP (1) | EP2236808B1 (ja) |
JP (1) | JP5448872B2 (ja) |
CN (1) | CN101852154B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012206937A1 (de) * | 2012-04-26 | 2013-10-31 | Robert Bosch Gmbh | Anordnung mit einem Brennstoffverteiler und einem Halter |
DE102012206931A1 (de) * | 2012-04-26 | 2013-10-31 | Robert Bosch Gmbh | Anordnung mit einem Brennstoffverteiler und einem Halter |
US9644753B2 (en) | 2013-07-17 | 2017-05-09 | Norgren Limited | Flapper exhaust diverter valve |
US10220700B2 (en) * | 2015-02-09 | 2019-03-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Protection and support for vehicle engine components |
US10208723B2 (en) | 2016-05-25 | 2019-02-19 | Hi-Vol Products | Threaded fuel rails |
CN107524520B (zh) * | 2017-08-18 | 2022-05-03 | 奇瑞汽车股份有限公司 | 喷油器的降噪结构 |
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JP4428607B2 (ja) * | 2000-10-25 | 2010-03-10 | 臼井国際産業株式会社 | コモンレール式ディーゼルエンジン用燃料噴射管 |
JP4240835B2 (ja) * | 2001-03-29 | 2009-03-18 | 株式会社日本自動車部品総合研究所 | 内燃機関の燃料噴射装置 |
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JP4006956B2 (ja) * | 2001-05-24 | 2007-11-14 | 日産自動車株式会社 | V型エンジンの燃料配管構造 |
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JP4152294B2 (ja) * | 2003-10-22 | 2008-09-17 | 臼井国際産業株式会社 | フューエルデリバリパイプ |
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-
2009
- 2009-03-30 US US12/414,151 patent/US7980226B2/en active Active
-
2010
- 2010-01-21 JP JP2010010544A patent/JP5448872B2/ja active Active
- 2010-02-08 CN CN201010113789.3A patent/CN101852154B/zh active Active
- 2010-02-17 EP EP10153878.3A patent/EP2236808B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101852154B (zh) | 2013-05-01 |
US20100242916A1 (en) | 2010-09-30 |
EP2236808B1 (en) | 2014-11-12 |
CN101852154A (zh) | 2010-10-06 |
EP2236808A3 (en) | 2011-03-09 |
EP2236808A2 (en) | 2010-10-06 |
JP2010236535A (ja) | 2010-10-21 |
US7980226B2 (en) | 2011-07-19 |
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