JP2017180101A - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- JP2017180101A JP2017180101A JP2016063161A JP2016063161A JP2017180101A JP 2017180101 A JP2017180101 A JP 2017180101A JP 2016063161 A JP2016063161 A JP 2016063161A JP 2016063161 A JP2016063161 A JP 2016063161A JP 2017180101 A JP2017180101 A JP 2017180101A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 141
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 238000007599 discharging Methods 0.000 claims 1
- 230000005856 abnormality Effects 0.000 abstract description 53
- 238000009825 accumulation Methods 0.000 abstract description 9
- 230000002159 abnormal effect Effects 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/002—Electric control of rotation speed controlling air supply
- F02D31/003—Electric control of rotation speed controlling air supply for idle speed control
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- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
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- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/08—Introducing corrections for particular operating conditions for idling
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- 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
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- 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
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- 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
- F02D41/3854—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped with elements in the low pressure part, e.g. low pressure pump
-
- 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
- F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
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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
- 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
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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
- 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
- F02M63/023—Means for varying pressure in common rails
- F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
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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
- 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
- F02M63/023—Means for varying pressure in common rails
- F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
- F02M63/0245—Means for varying pressure in common rails by bleeding fuel pressure between the high pressure pump and the common rail
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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
- 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
- F02M63/023—Means for varying pressure in common rails
- F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
- F02M63/025—Means for varying pressure in common rails by bleeding fuel pressure from the common rail
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
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- 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
- F02D2250/31—Control of the fuel pressure
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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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
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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
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
【解決手段】内燃機関(10)の駆動軸(12)の回転により駆動され、加圧室(42)で加圧した燃料を吐出する高圧ポンプ(30)と、高圧ポンプにより吐出された燃料を加圧状態で蓄える蓄圧容器(60)と、蓄圧容器内の燃料の圧力が所定圧よりも高い場合に開いて、蓄圧容器内の燃料を加圧室内の燃料の圧力よりも低い圧力の燃料が存在する所定室(40)へ戻すリリーフ弁(80)と、を備える内燃機関に適用される制御装置(90)であって、蓄圧容器内の燃料の圧力が、所定圧よりも低く設定された判定圧よりも高い状態が第1期間よりも長く続いた場合に、内燃機関のアイドル回転速度を所定回転速度まで上昇させる。
【選択図】 図1
Description
プランジャ34が下降し、加圧室42内の圧力が低下することに基づいて、低圧室40から加圧室42へ燃料が吸入される。そして、ECU90により、開弁状態を保持するように調量弁36が制御される。
調量弁36が開いた状態では、プランジャ34が下死点から上死点に向かって上昇しても、プランジャ34により加圧された加圧室42内の燃料は、調量弁36を介して低圧室40へ戻される。
戻し行程中に、ECU90により、閉弁するように調量弁36が制御される。この状態でプランジャ34がさらに上死点に向けて上昇すると、加圧室42内の燃料が加圧され燃料の圧力が上昇する。そして、加圧室42内の燃料の圧力が所定の吐出圧以上になると吐出弁38が開く。吐出弁38から吐出された燃料は、デリバリパイプ60へ供給されて加圧状態で蓄えられ、燃料噴射弁62へ供給される。
・リリーフ弁80の開弁圧よりも低く設定された異常判定圧よりも高い状態が第1期間よりも長く続いた場合に、エンジン10のアイドル回転速度を800rpmや1200rpmまで上昇させてもよい。
Claims (5)
- 内燃機関(10)の駆動軸(12)の回転により駆動され、加圧室(42)で加圧した燃料を吐出する高圧ポンプ(30)と、前記高圧ポンプにより吐出された燃料を加圧状態で蓄える蓄圧容器(60)と、前記蓄圧容器内の燃料の圧力が所定圧よりも高い場合に開いて、前記蓄圧容器内の燃料を前記加圧室内の燃料の圧力よりも低い圧力の燃料が存在する所定室(40)へ戻すリリーフ弁(80)と、を備える内燃機関に適用される制御装置(90)であって、
前記蓄圧容器内の燃料の圧力が、前記所定圧よりも低く設定された判定圧よりも高い状態が第1期間よりも長く続いた場合に、前記内燃機関のアイドル回転速度を所定回転速度まで上昇させることを特徴とする内燃機関の制御装置。 - 前記内燃機関のアイドル回転速度を前記所定回転速度まで上昇させており且つ前記蓄圧容器内の燃料の圧力が前記判定圧よりも高い状態が、第2期間よりも長く続いた場合に、前記内燃機関の運転を停止させる請求項1に記載の内燃機関の制御装置。
- 前記内燃機関は、燃料を加圧して前記高圧ポンプへ吐出する低圧ポンプ(20)を備え、
前記所定室は、前記低圧ポンプにより吐出された燃料を蓄える低圧室(40)である請求項1又は2に記載の内燃機関の制御装置。 - 前記判定圧は、前記内燃機関が備える燃料噴射弁(62)による燃料の噴射を制御可能な上限圧よりも低く設定されている請求項1〜3のいずれか1項に記載の内燃機関の制御装置。
- 前記判定圧は、前記蓄圧容器が劣化した場合の耐圧よりも低く設定されている請求項1〜4のいずれか1項に記載の内燃機関の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016063161A JP6508104B2 (ja) | 2016-03-28 | 2016-03-28 | 内燃機関の制御装置 |
PCT/JP2017/011433 WO2017170031A1 (ja) | 2016-03-28 | 2017-03-22 | 内燃機関の制御装置 |
DE112017001596.0T DE112017001596B4 (de) | 2016-03-28 | 2017-03-22 | Steuervorrichtung für Maschine mit interner Verbrennung |
US16/086,114 US10519894B2 (en) | 2016-03-28 | 2017-03-22 | Control device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016063161A JP6508104B2 (ja) | 2016-03-28 | 2016-03-28 | 内燃機関の制御装置 |
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JP2017180101A true JP2017180101A (ja) | 2017-10-05 |
JP6508104B2 JP6508104B2 (ja) | 2019-05-08 |
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JP2016063161A Active JP6508104B2 (ja) | 2016-03-28 | 2016-03-28 | 内燃機関の制御装置 |
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US (1) | US10519894B2 (ja) |
JP (1) | JP6508104B2 (ja) |
DE (1) | DE112017001596B4 (ja) |
WO (1) | WO2017170031A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112017001596B4 (de) | 2016-03-28 | 2022-06-09 | Denso Corporation | Steuervorrichtung für Maschine mit interner Verbrennung |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6426689B2 (ja) * | 2016-12-22 | 2018-11-21 | トヨタ自動車株式会社 | 車載エンジンの制御装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010031816A (ja) * | 2008-07-31 | 2010-02-12 | Denso Corp | 蓄圧式燃料供給システムの制御装置 |
JP2011132941A (ja) * | 2009-11-26 | 2011-07-07 | Nippon Soken Inc | 圧力制御弁 |
JP2012229623A (ja) * | 2011-04-25 | 2012-11-22 | Denso Corp | 内燃機関の高圧燃料供給装置 |
JP5525760B2 (ja) * | 2009-06-01 | 2014-06-18 | 日立オートモティブシステムズ株式会社 | 内燃機関の高圧燃料供給装置 |
Family Cites Families (7)
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JPS5525760A (en) | 1978-08-16 | 1980-02-23 | Hitachi Ltd | De-frosting controller |
JP2007285235A (ja) * | 2006-04-18 | 2007-11-01 | Honda Motor Co Ltd | ディーゼルエンジンの燃料供給装置 |
US20080203347A1 (en) * | 2007-02-28 | 2008-08-28 | Santos Burrola | Control valve for a gas direct injection fuel system |
US8091530B2 (en) * | 2008-12-08 | 2012-01-10 | Ford Global Technologies, Llc | High pressure fuel pump control for idle tick reduction |
US9683512B2 (en) * | 2014-05-23 | 2017-06-20 | Ford Global Technologies, Llc | Pressure device to reduce ticking noise during engine idling |
JP6239473B2 (ja) | 2014-09-19 | 2017-11-29 | 株式会社東芝 | 光電変換素子、太陽電池および多接合型太陽電池 |
JP6508104B2 (ja) | 2016-03-28 | 2019-05-08 | 株式会社デンソー | 内燃機関の制御装置 |
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2016
- 2016-03-28 JP JP2016063161A patent/JP6508104B2/ja active Active
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2017
- 2017-03-22 DE DE112017001596.0T patent/DE112017001596B4/de active Active
- 2017-03-22 WO PCT/JP2017/011433 patent/WO2017170031A1/ja active Application Filing
- 2017-03-22 US US16/086,114 patent/US10519894B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010031816A (ja) * | 2008-07-31 | 2010-02-12 | Denso Corp | 蓄圧式燃料供給システムの制御装置 |
JP5525760B2 (ja) * | 2009-06-01 | 2014-06-18 | 日立オートモティブシステムズ株式会社 | 内燃機関の高圧燃料供給装置 |
JP2011132941A (ja) * | 2009-11-26 | 2011-07-07 | Nippon Soken Inc | 圧力制御弁 |
JP2012229623A (ja) * | 2011-04-25 | 2012-11-22 | Denso Corp | 内燃機関の高圧燃料供給装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112017001596B4 (de) | 2016-03-28 | 2022-06-09 | Denso Corporation | Steuervorrichtung für Maschine mit interner Verbrennung |
Also Published As
Publication number | Publication date |
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DE112017001596T5 (de) | 2018-12-13 |
US20190195164A1 (en) | 2019-06-27 |
WO2017170031A1 (ja) | 2017-10-05 |
US10519894B2 (en) | 2019-12-31 |
JP6508104B2 (ja) | 2019-05-08 |
DE112017001596B4 (de) | 2022-06-09 |
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