JPH05507136A - 内燃機関の燃料噴射ポンプ - Google Patents
内燃機関の燃料噴射ポンプInfo
- Publication number
- JPH05507136A JPH05507136A JP91507677A JP50767791A JPH05507136A JP H05507136 A JPH05507136 A JP H05507136A JP 91507677 A JP91507677 A JP 91507677A JP 50767791 A JP50767791 A JP 50767791A JP H05507136 A JPH05507136 A JP H05507136A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pump
- fuel
- fuel injection
- passage
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims description 76
- 238000002347 injection Methods 0.000 title claims description 37
- 239000007924 injection Substances 0.000 title claims description 37
- 238000002485 combustion reaction Methods 0.000 title claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000007849 functional defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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
- 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
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
- F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
- F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
- F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
- F02M41/125—Variably-timed valves controlling fuel 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
- F02M59/44—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)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.内燃機関の燃料噴射弁であって、ポンプ作業室(10)をポンプシリンダ( 2)内に閉ぢ込めているポンプピストン(1)と、ポンプピストンの往復運動を 制御しているカム駆動部(6,4)と、ポンプ作業室に接続可能で燃料噴射弁の 方へ通じている燃料噴射通路(7)と、ポンプ作業室(10)と燃料貯蔵室(1 7)とを接続して電気的に作動する弁34によって制御されている燃料通路(3 3)と、ポンプ作業室(10)と燃料貯蔵室(17)とを接続してポンプ作業室 の方向に開く逆止弁(16)を内包している充填通路(15)と、から成ってい る形式のものにおいて、弁(34)が電気的に制御されて開放されている場合、 燃料通路(33)は夫々のポンプピストンの運動に応じて充填方向と放圧方向と の両方向に貫流可能であることを特徴とする、内燃機関の燃料噴射ポンプ。 2.燃料通路(33)が同時に、逆止弁(16)の上流側に位置している充填通 路(15)の部分を形成していることを特徴とする、請求項1記載の燃料噴射ポ ンプ。 3.充填通路(15)が、電気的に作動する弁(34)に並列に位置し、かつ弁 (34)の上流側及び下流側に位置している燃料通路(33)の部分を互いに接 続させていることを特徴とする、請求項2記載の燃料噴射ポンプ。 4.電気的に制御される弁(34)と逆止弁(16)とが、共通の弁ケーシング を有していることを特徴とする、請求項2又は3記載の燃料噴射ポンプ。 5.電気的に制御される弁(34)がシート弁として形成されていて、電磁石( 60)により戻しばね(48)の力に抗して作動可能な弁部材(40)を備えて おり、該弁部材(40)は、弁ケーシングを貫いて案内されている燃料通路(1 33,41,4658)を制限している弁座(44)と協働しており、また充填 通路(46,50,51,56)が、燃料通路の燃料側部分から弁ケーシング内 で分岐し、かつ弁ケーシング内に配置された逆止弁(52)を介してポンプ作業 室(10)に開口していることを特徴とする、請求項2記載の燃料噴射ポンプ。 6.弁ケーシング(36)がその端面(37)でポンプ作業室(10)に隣接し 、かつ弁部材(40)がその電磁石から離れた側で戻しばね(48)によって負 荷されており、該戻しばね48は、弁ケーシング内の弁部材(40)に同軸的な 孔(46)内で支持され、該孔(46)は逆止弁(52)を介し軸方向でポンプ 作業室に開口しており、また他方で燃料通路(133)は、ポンプ作業室(10 )から弁座(44)を介して前記孔内に、かつ燃料通路(58)は燃料貯蔵室( 17)から前記孔内に、夫々開口していることを特徴とする、請求項5記載の燃 料噴射ポンプ。 7.ポンプピストンの運動は、カム枢動部によって、往復動のポンピング運動と 回転運動との両方に置換可能であり、更にポンプピストンは、ポンプピストンに よって複数の燃料噴射通路(7)の夫々1つの通路内に押しのけられる燃料量の 分配器として使用されていることを特徴とする、請求項1又は2記載の燃料噴射 弁。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4016309A DE4016309A1 (de) | 1990-05-21 | 1990-05-21 | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen |
DE4016309,1 | 1990-05-21 | ||
PCT/DE1991/000341 WO1991018200A1 (de) | 1990-05-21 | 1991-04-25 | Kraftstoffeinspritzpumpe für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05507136A true JPH05507136A (ja) | 1993-10-14 |
JP3027185B2 JP3027185B2 (ja) | 2000-03-27 |
Family
ID=6406874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3507677A Expired - Lifetime JP3027185B2 (ja) | 1990-05-21 | 1991-04-25 | 内燃機関の燃料噴射ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US5343845A (ja) |
EP (1) | EP0530206B1 (ja) |
JP (1) | JP3027185B2 (ja) |
DE (2) | DE4016309A1 (ja) |
ES (1) | ES2059135T3 (ja) |
WO (1) | WO1991018200A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19648690A1 (de) * | 1996-11-25 | 1998-05-28 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem |
US6128653A (en) * | 1997-03-17 | 2000-10-03 | Microsoft Corporation | Method and apparatus for communication media commands and media data using the HTTP protocol |
JPH11200990A (ja) * | 1998-01-07 | 1999-07-27 | Unisia Jecs Corp | 燃料噴射制御装置 |
JP2000345901A (ja) * | 1999-05-31 | 2000-12-12 | Isuzu Motors Ltd | 電子燃料噴射装置 |
US6298826B1 (en) | 1999-12-17 | 2001-10-09 | Caterpillar Inc. | Control valve with internal flow path and fuel injector using same |
US6647966B2 (en) | 2001-09-21 | 2003-11-18 | Caterpillar Inc | Common rail fuel injection system and fuel injector for same |
US9422898B2 (en) * | 2013-02-12 | 2016-08-23 | Ford Global Technologies, Llc | Direct injection fuel pump |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2942010A1 (de) * | 1979-10-17 | 1981-05-07 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen |
JPS5741462A (en) * | 1980-08-25 | 1982-03-08 | Mazda Motor Corp | Fuel injection device for diesel engine |
JPS57193729A (en) * | 1981-05-25 | 1982-11-29 | Nissan Motor Co Ltd | Fuel shutoff device of fuel injection pump |
DE3144361A1 (de) * | 1981-11-07 | 1983-05-19 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen |
JPS59128967A (ja) * | 1983-01-11 | 1984-07-25 | Nissan Motor Co Ltd | デイ−ゼルエンジンの燃料噴射ポンプ |
DE3429129C2 (de) * | 1984-08-08 | 1995-01-19 | Bosch Gmbh Robert | Dosiervorrichtung zur Zumessung von Flüssigkeitsmengen |
US4643155A (en) * | 1984-10-05 | 1987-02-17 | Olin Corporation | Variable stroke, electronically controlled fuel injection control system |
DE3436768A1 (de) * | 1984-10-06 | 1986-04-10 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur steuerung der kraftstoffeinspritzung bei brennkraftmaschinen und kraftstoffeinspritzsystem zur durchfuehrung des verfahrens |
US4884549A (en) * | 1986-04-21 | 1989-12-05 | Stanadyne Automotive Corp. | Method and apparatus for regulating fuel injection timing and quantity |
DE3711744A1 (de) * | 1987-04-07 | 1988-10-27 | Bosch Gmbh Robert | Verfahren und vorrichtung zur steuerung der kraftstoffeinspritzmenge |
DE3722151A1 (de) * | 1987-07-04 | 1989-01-12 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe |
DE4119467C2 (de) * | 1991-06-13 | 1996-10-17 | Daimler Benz Ag | Nach dem Verdrängerprinzip arbeitende Vorrichtung zur Kraft- und Hubübersetzung bzw. -übertragung |
-
1990
- 1990-05-21 DE DE4016309A patent/DE4016309A1/de not_active Withdrawn
-
1991
- 1991-04-25 JP JP3507677A patent/JP3027185B2/ja not_active Expired - Lifetime
- 1991-04-25 US US07/946,485 patent/US5343845A/en not_active Expired - Lifetime
- 1991-04-25 WO PCT/DE1991/000341 patent/WO1991018200A1/de active IP Right Grant
- 1991-04-25 EP EP91907821A patent/EP0530206B1/de not_active Expired - Lifetime
- 1991-04-25 DE DE59102657T patent/DE59102657D1/de not_active Expired - Fee Related
- 1991-04-25 ES ES91907821T patent/ES2059135T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4016309A1 (de) | 1991-11-28 |
JP3027185B2 (ja) | 2000-03-27 |
ES2059135T3 (es) | 1994-11-01 |
DE59102657D1 (de) | 1994-09-29 |
EP0530206B1 (de) | 1994-08-24 |
US5343845A (en) | 1994-09-06 |
EP0530206A1 (de) | 1993-03-10 |
WO1991018200A1 (de) | 1991-11-28 |
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