JP4709861B2 - 可変流量高圧ポンプを含む燃料噴射装置 - Google Patents
可変流量高圧ポンプを含む燃料噴射装置 Download PDFInfo
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- JP4709861B2 JP4709861B2 JP2008020572A JP2008020572A JP4709861B2 JP 4709861 B2 JP4709861 B2 JP 4709861B2 JP 2008020572 A JP2008020572 A JP 2008020572A JP 2008020572 A JP2008020572 A JP 2008020572A JP 4709861 B2 JP4709861 B2 JP 4709861B2
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- 239000000446 fuel Substances 0.000 title claims description 53
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 5
- 230000010355 oscillation Effects 0.000 description 12
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
-
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
-
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
- F02M59/06—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
-
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
- F02M59/205—Quantity of fuel admitted to pumping elements being metered by an auxiliary metering device
-
- 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
- F02M59/44—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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/04—Fuel pressure pulsation in common rails
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Feeding And Controlling Fuel (AREA)
Description
・高圧ポンプの不規則な瞬間流量
・吸い込みばねの設定が均一でないことによる、種々のポンプ要素によって吐出される燃料の量の非対称性
・噴射器の噴射イベントとポンプの吐出曲線に対するそのタイミング
・コモンレールの容積
・エンジンの運転点
・同じポンプ要素の上死点に対する計量電磁弁の作動開始または開放開始の瞬間のタイミング、つまり計量電磁弁の下流の負圧
・計量電磁弁の通路部分
・計量電磁弁の作動と考えられる他のポンプ要素の作動との相互作用(ここでは、電磁弁の吸い込み弁がポンプ要素の吸い込み弁と同時に開いていることを想定している)
・計量電磁弁の出口とポンプ要素の吸い込み弁との間に含まれる(燃料の)量
・低圧ポンプの排出ヘッドおよび/または
・計量電磁弁と並列に位置する考えられる圧力調整器によって調整される圧力
Claims (12)
- 吸い込み行程および排出行程によって往復運動するように動作し、吸い込みライン(10)と連通する吸い込み弁(25)と、吐出ライン(8)と連通する吐出弁(30)とが備えられた少なくとも1つのポンプ要素(18)を有する可変流量高圧ポンプと、前記吸い込みライン(10)上に位置し前記ポンプ要素(18)に供給される燃料の量を計る計量電磁弁(27)を含むポンプ(7)の流量のためのスロットル装置(31)と、前記ポンプ要素(18)の吸い込み相の際にエンジン(2)の運転状態に基づいて前記電磁弁(27)を制御可能な制御ユニット(16)とを含む内燃機関のための燃料噴射装置であって、
前記電磁弁(27)がポンプ要素(18)の吸い込み相の際に動作し、前記制御ユニット(16)が、0.90〜1.10の範囲にある1ではないファクタ(K)を乗じた前記ポンプ要素(18)の作動周波数の整数倍または整数の約数に等しい周波数で前記電磁弁(27)を動作させ、
前記高圧ポンプ(7)が、前記エンジン(2)の普通の駆動軸(4)と同期する回転軸(23)によって動作する2つまたはそれより多くのポンプ要素(18)を含み、前記吸い込みライン(10)が前記ポンプ要素(18)に共通で、前記電磁弁(27)が前記吸い込みライン(10)に位置する、
燃料噴射装置。 - 前記ファクタ(K)が1よりも少なくとも0.01大きいか小さい、請求項1記載の噴射装置。
- 前記高圧ポンプ(7)がポンプサイクル時に順に動作する2つまたはそれより多くのポンプ要素(18)を含み、予め設定されたポンプ周波数で動作する請求項1又は2に記載の噴射装置において、
前記電磁弁(27)が1ではないファクタ(K)を乗じたポンプ(7)の周波数の整数倍または整数の約数に等しい周波数で動作される、噴射装置。 - 前記整数倍が1である、請求項3記載の噴射装置。
- 前記高圧ポンプ(7)が逆位相で動作する2つのポンプ要素(18)を含む、請求項1記載の噴射装置。
- 前記高圧ポンプ(7)が互いに120°の位相ずれで動作する3つのポンプ要素(18)を含む、請求項1記載の噴射装置。
- 前記制御ユニット(16)は、対応する圧力センサ(17)によって検出されるある蓄積量(6)の高圧燃料の圧力に基づいて前記電磁弁(27)を制御可能である、請求項1から請求項6のいずれか1項に記載の噴射装置。
- 前記制御ユニット(16)は、周波数および/またはデューティーサイクル変調制御信号によって前記電磁弁(27)を制御可能である、請求項1から請求項7のいずれか1項に記載の噴射装置。
- 前記制御ユニット(16)は、一定の持続時間を持ち可変周波数で発せられる制御信号によって前記電磁弁(27)を制御可能である、請求項8記載の噴射装置。
- 前記制御ユニット(16)は、前記ポンプの回転速度に相関する周波数および/または可変デューティーサイクルの制御信号によって前記電磁弁(27)を制御可能である、請求項8記載の噴射装置。
- 各制御信号の持続時間は1000分の1秒であり、かつ/または前記デューティーサイクルは2%〜95%に及ぶ、請求項7から請求項10のいずれか1項に記載の噴射装置
。 - 前記高圧ポンプ(7)がポンプ駆動機構を収容するサンプ(33)を含み、
前記スロットル装置(31)が、前記計量電磁弁(27)と並列に位置し、前記電磁弁(27)の上流の圧力を一定に保ち余分な燃料を前記サンプ(33)に送って前記機構を冷却し潤滑することができる圧力調整器(32)を含む、請求項1から請求項11のいずれか1項に記載の噴射装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07425557.1 | 2007-09-11 | ||
EP07425557A EP2037117B1 (en) | 2007-09-11 | 2007-09-11 | Fuel injection system comprising a variable flow rate high-pressure pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009068484A JP2009068484A (ja) | 2009-04-02 |
JP4709861B2 true JP4709861B2 (ja) | 2011-06-29 |
Family
ID=38972995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008020572A Active JP4709861B2 (ja) | 2007-09-11 | 2008-01-31 | 可変流量高圧ポンプを含む燃料噴射装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7779815B2 (ja) |
EP (1) | EP2037117B1 (ja) |
JP (1) | JP4709861B2 (ja) |
KR (1) | KR100955391B1 (ja) |
CN (1) | CN101387250B (ja) |
AT (1) | ATE457423T1 (ja) |
DE (1) | DE602007004729D1 (ja) |
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EP1657430B1 (en) * | 2004-11-12 | 2008-05-07 | C.R.F. Società Consortile per Azioni | An accumulation volume fuel injection system for an internal combustion engine |
DE102006054316A1 (de) * | 2006-07-18 | 2008-01-24 | Robert Bosch Gmbh | Verfahren zur Ermittlung eines Fehlers in einer Kraftstoffzumesseinheit eines Einspritzsystems |
DE102010001834A1 (de) * | 2010-02-11 | 2011-08-11 | Robert Bosch GmbH, 70469 | Verfahren zur Versorgung einer Hochdruckpumpe in einem Kraftstoffeinspritzsystem einer Brennkraftmaschine mit Kraftstoff sowie Kraftstoffeinspritzsystem |
JP5591559B2 (ja) * | 2010-02-16 | 2014-09-17 | ザマ・ジャパン株式会社 | 燃料噴射装置 |
JP2011169169A (ja) | 2010-02-16 | 2011-09-01 | Zama Japan Co Ltd | 燃料噴射装置 |
DE102010041487A1 (de) * | 2010-09-27 | 2012-03-29 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem |
DE102010043923A1 (de) * | 2010-11-15 | 2012-05-16 | Robert Bosch Gmbh | Niederdruckkreislauf für ein Kraftstoffeinspritzsystem sowie Kraftstoffeinspritzsystem |
CN102062010A (zh) * | 2011-01-21 | 2011-05-18 | 上海交通大学 | 柴油机高压共轨分段喷射压力控制*** |
FR2975436B1 (fr) * | 2011-05-20 | 2015-08-07 | Continental Automotive France | Systeme d'injection directe de carburant adaptatif |
DE102011077991A1 (de) | 2011-06-22 | 2012-12-27 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Kraftstofffördereinrichtung einer Brennkraftmaschine |
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JP2013155682A (ja) * | 2012-01-31 | 2013-08-15 | Denso Corp | 燃料供給ポンプおよび燃料供給装置 |
US9587581B2 (en) * | 2013-06-20 | 2017-03-07 | GM Global Technology Operations LLC | Wideband diesel fuel rail control using active pressure control valve |
DE102013214083B3 (de) * | 2013-07-18 | 2014-12-24 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Kraftstoffeinspritzsystems eines Verbrennungsmotors |
CN103487254B (zh) * | 2013-07-29 | 2015-09-30 | 中国人民解放军装备学院 | 一种具有可控频压力振荡机构的试验装置 |
JP2018536142A (ja) | 2015-09-01 | 2018-12-06 | ベクトン・ディキンソン・アンド・カンパニーBecton, Dickinson And Company | 試料の相を分離するためのデプスフィルトレーションデバイス |
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2007
- 2007-09-11 AT AT07425557T patent/ATE457423T1/de not_active IP Right Cessation
- 2007-09-11 EP EP07425557A patent/EP2037117B1/en active Active
- 2007-09-11 DE DE602007004729T patent/DE602007004729D1/de active Active
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2008
- 2008-01-29 US US12/022,078 patent/US7779815B2/en active Active
- 2008-01-30 CN CN2008100050679A patent/CN101387250B/zh active Active
- 2008-01-31 KR KR1020080010016A patent/KR100955391B1/ko active IP Right Grant
- 2008-01-31 JP JP2008020572A patent/JP4709861B2/ja active Active
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JP2003314394A (ja) * | 2002-04-23 | 2003-11-06 | Robert Bosch Gmbh | 内燃機関に用いられる燃料噴射装置 |
JP2004011629A (ja) * | 2002-06-12 | 2004-01-15 | Denso Corp | 内燃機関用燃料噴射装置 |
JP2006177336A (ja) * | 2004-12-23 | 2006-07-06 | Crf Soc Consortile Per Azioni | 高圧可変吐出量ポンプを備える燃料噴射システム |
JP2007016782A (ja) * | 2005-07-05 | 2007-01-25 | Dr Ing H C F Porsche Ag | 車両の内燃機関用の燃料噴射システムを制御するための方法及び装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2037117A1 (en) | 2009-03-18 |
US20090064971A1 (en) | 2009-03-12 |
EP2037117B1 (en) | 2010-02-10 |
KR100955391B1 (ko) | 2010-05-03 |
US7779815B2 (en) | 2010-08-24 |
KR20090027131A (ko) | 2009-03-16 |
DE602007004729D1 (de) | 2010-03-25 |
CN101387250A (zh) | 2009-03-18 |
CN101387250B (zh) | 2011-06-08 |
JP2009068484A (ja) | 2009-04-02 |
ATE457423T1 (de) | 2010-02-15 |
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