JP5719444B2 - 内燃機関の燃料噴射システム - Google Patents
内燃機関の燃料噴射システム Download PDFInfo
- Publication number
- JP5719444B2 JP5719444B2 JP2013534230A JP2013534230A JP5719444B2 JP 5719444 B2 JP5719444 B2 JP 5719444B2 JP 2013534230 A JP2013534230 A JP 2013534230A JP 2013534230 A JP2013534230 A JP 2013534230A JP 5719444 B2 JP5719444 B2 JP 5719444B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pipe
- injection system
- pressure
- pump
- 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
Links
- 239000000446 fuel Substances 0.000 title claims description 69
- 238000002347 injection Methods 0.000 title claims description 21
- 239000007924 injection Substances 0.000 title claims description 21
- 238000002485 combustion reaction Methods 0.000 title claims description 11
- 239000002245 particle Substances 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
-
- 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
-
- 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
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
- F02M69/54—Arrangement of fuel pressure regulators
-
- 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
- F02M2200/27—Fuel-injection apparatus with filters
-
- 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
- F02M2200/28—Details of throttles in fuel-injection apparatus
-
- 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
- F02M59/44—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
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating 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)
- Filtering Materials (AREA)
Description
2 貯留容器
3 高圧燃料ポンプ
4 低圧領域
5 高圧領域
6 供給部
7 調量ユニット
8 供給管
11 オーバーフロー管
12 オーバーフロー弁
13 戻し管
14 還路
15 供給管
16 絞り個所
18 ゼロデリベリ管
19 ベンチュリー絞り
20 狭隘個所
21 供給部
22、23 フィルタ
Claims (5)
- 高圧燃料ポンプ(3)を含み、その高圧領域(5)の前に調量ユニット(7)が接続され、該調量ユニットが貯留容器(2)から搬送される燃料量を供給管(8)を介して前記高圧領域(5)に調量して供給し、前記供給管(8)から、ベンチュリー絞り(19)の狭隘個所(20)の領域で還路(14)に開口しているゼロデリベリ管(18)が分岐している内燃機関用燃料噴射システムにおいて、
前記ベンチュリー絞り(19)が、供給部(21)に、および/または、前記狭隘個所(20)への開口部分に、それぞれ1つのフィルタ(22,23)を有しており、
燃料を前記貯留容器(2)から前記高圧燃料ポンプ(3)の低圧領域(4)と前記調量ユニット(7)の供給部(6)とへ搬送する搬送ポンプ(1)が設けられていて、
前記調量ユニット(7)の供給部(6)から、オーバーフロー弁(12)のオーバーフロー管(11)が分岐していて、
前記オーバーフロー弁(12)が、前記オーバーフロー管(11)内の第1の圧力レベル以降、戻し管(13)を介して前記搬送ポンプ(1)の供給管(15)へ返送し、第2の圧力レベル以降、前記還路(14)へ逆送することを特徴とする前記燃料噴射システム。 - 前記それぞれ1つのフィルタ(22,23)がメッシュスクリーンであることを特徴とする、請求項1に記載の燃料噴射システム。
- 前記それぞれ1つのフィルタ(22,23)がレーザーで作製したスクリーンであることを特徴とする、請求項1に記載の燃料噴射システム。
- 前記戻し管(13)の開口部と前記搬送ポンプ(1)の供給部との間に絞り個所(16)が設けられていることを特徴とする、請求項1から3のいずれか一つに記載の燃料噴射システム。
- 前記搬送ポンプ(1)が歯車ポンプであることを特徴とする、請求項1から4のいずれか一つに記載の燃料噴射システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010043531.7 | 2010-11-08 | ||
DE102010043531A DE102010043531A1 (de) | 2010-11-08 | 2010-11-08 | Kraftstoffeinspritzsystem einer Brennkraftmaschine |
PCT/EP2011/066410 WO2012062508A2 (de) | 2010-11-08 | 2011-09-21 | Kraftstoffeinspritzsystem einer brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013545914A JP2013545914A (ja) | 2013-12-26 |
JP5719444B2 true JP5719444B2 (ja) | 2015-05-20 |
Family
ID=44674797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013534230A Expired - Fee Related JP5719444B2 (ja) | 2010-11-08 | 2011-09-21 | 内燃機関の燃料噴射システム |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2638276B1 (ja) |
JP (1) | JP5719444B2 (ja) |
KR (1) | KR20130139985A (ja) |
CN (1) | CN103201496B (ja) |
DE (1) | DE102010043531A1 (ja) |
RU (1) | RU2013126194A (ja) |
WO (1) | WO2012062508A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013208707A1 (de) * | 2013-05-13 | 2014-11-13 | Robert Bosch Gmbh | Überstromventil für eine Hochdruckpumpe in einem Kraftstoffeinspritzsystem |
DE102013226649A1 (de) * | 2013-12-19 | 2015-06-25 | Robert Bosch Gmbh | Kraftstoffversorgungseinrichtung eines Kraftstoffeinspritzsystems einer Brennkraftmaschine sowie Überströmventil dazu |
DE102015212121A1 (de) * | 2015-06-30 | 2017-01-05 | Robert Bosch Gmbh | Verfahren zum Ermitteln von Betriebsparametern einer Kraftstoffpumpe |
WO2018048740A1 (en) * | 2016-09-09 | 2018-03-15 | Walbro Llc | Throttle body with fluid flow control |
CN106640449B (zh) * | 2016-12-27 | 2018-05-29 | 清华大学 | 用于内燃机的自吸式电控低压燃料计量器 |
CN108150324B (zh) * | 2017-12-27 | 2020-01-03 | 潍柴动力股份有限公司 | 用于发动机燃油系统的高压油泵及发动机燃油系统 |
CN111878272B (zh) * | 2020-06-30 | 2021-10-29 | 潍柴动力股份有限公司 | 高压油泵的排气装置及排气方法 |
CN114017223B (zh) * | 2021-11-03 | 2023-03-24 | 南岳电控(衡阳)工业技术股份有限公司 | 一种排油结构及供油系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11257188A (ja) * | 1998-03-10 | 1999-09-21 | Hitachi Ltd | 燃料リターンバルブ |
IT1310754B1 (it) * | 1999-11-30 | 2002-02-22 | Elasis Sistema Ricerca Fiat | Sistema di valvole per il controllo della pressione di ingresso di unliquido in una pompa ad alta pressione, e relativa valvola di |
DE10154133C1 (de) | 2001-11-03 | 2003-02-13 | Bosch Gmbh Robert | Kraftstoffsystem |
JP2007239684A (ja) * | 2006-03-10 | 2007-09-20 | Bosch Corp | 燃料供給用ポンプ |
DE102009027335A1 (de) * | 2009-06-30 | 2011-01-05 | Robert Bosch Gmbh | Kraftstoffsystem für eine Brennkraftmaschine |
-
2010
- 2010-11-08 DE DE102010043531A patent/DE102010043531A1/de not_active Withdrawn
-
2011
- 2011-09-21 CN CN201180053426.8A patent/CN103201496B/zh active Active
- 2011-09-21 RU RU2013126194/06A patent/RU2013126194A/ru not_active Application Discontinuation
- 2011-09-21 JP JP2013534230A patent/JP5719444B2/ja not_active Expired - Fee Related
- 2011-09-21 EP EP11760478.5A patent/EP2638276B1/de active Active
- 2011-09-21 KR KR1020137011844A patent/KR20130139985A/ko not_active Application Discontinuation
- 2011-09-21 WO PCT/EP2011/066410 patent/WO2012062508A2/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
RU2013126194A (ru) | 2014-12-20 |
JP2013545914A (ja) | 2013-12-26 |
CN103201496B (zh) | 2016-07-13 |
EP2638276B1 (de) | 2016-08-17 |
CN103201496A (zh) | 2013-07-10 |
KR20130139985A (ko) | 2013-12-23 |
DE102010043531A1 (de) | 2012-05-10 |
EP2638276A2 (de) | 2013-09-18 |
WO2012062508A3 (de) | 2012-07-12 |
WO2012062508A2 (de) | 2012-05-18 |
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