KR102203587B1 - 내연 기관의 작동 - Google Patents
내연 기관의 작동 Download PDFInfo
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- KR102203587B1 KR102203587B1 KR1020140102182A KR20140102182A KR102203587B1 KR 102203587 B1 KR102203587 B1 KR 102203587B1 KR 1020140102182 A KR1020140102182 A KR 1020140102182A KR 20140102182 A KR20140102182 A KR 20140102182A KR 102203587 B1 KR102203587 B1 KR 102203587B1
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 57
- 239000000446 fuel Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 230000007423 decrease Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
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- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
- F02D1/16—Adjustment of injection timing
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0223—Variable control of the intake valves only
- F02D13/0234—Variable control of the intake valves only changing the valve timing only
- F02D13/0238—Variable control of the intake valves only changing the valve timing only by shifting the phase, i.e. the opening periods of the valves are constant
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0269—Controlling the valves to perform a Miller-Atkinson cycle
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- 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
- F02D41/0002—Controlling intake air
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- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/054—Camshafts in cylinder block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L2013/10—Auxiliary actuators for variable valve timing
- F01L2013/103—Electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L2013/10—Auxiliary actuators for variable valve timing
- F01L2013/105—Hydraulic motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L2013/10—Auxiliary actuators for variable valve timing
- F01L2013/106—Pneumatic motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2305/00—Valve arrangements comprising rollers
- F01L2305/02—Mounting of rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/01—Absolute values
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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
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
- F02D1/16—Adjustment of injection timing
- F02D2001/165—Adjustment of injection timing by means dependent on engine load
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- General Engineering & Computer Science (AREA)
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
도 1은 본 발명에 따르는 실린더 유닛 및 제어 시스템의 개략도이다.
도 2는 본 발명에 따르는 내연 기관의 작동을 제어하기 위한 예시적인 장치의 개략도이다.
도 3은, 예를 들어, 도 1의 제어 시스템에 의해 조절되는 바와 같이, 고부하 모드 및 부분 부하 모드에 따르는 예시적인 흡입 밸브 타이밍을 보여주는 개략도이다.
Claims (13)
- 적어도 하나의 흡입 밸브(4)를 구비한 적어도 하나의 실린더 유닛(9)을 포함하는 내연 기관을 작동하기 위한 제어 시스템(1)이며,
상기 제어 시스템(1)은 제어 유닛(2)을 포함하고,
상기 제어 유닛(2)은 부분 부하 작동에 최적화되고 부분 부하 상한까지의 엔진 부하에 대해 설정된 부분 부하 모드를 제공하고, 상기 부분 부하 모드는 최대 엔진 부하의 40% 내지 75% 범위 내로 설정되며, 상기 적어도 하나의 흡입 밸브(4)는 흡입 밸브 부분 부하 폐쇄 각도(αp)에서 폐쇄되고,
상기 제어 유닛(2)은 상기 부분 부하 상한을 초과하는 엔진 부하에 대해 설정된 고부하 모드를 제공하고, 상기 적어도 하나의 흡입 밸브(4)는 흡입 밸브 고부하 폐쇄 각도(αh)에서 폐쇄되고,
상기 흡입 밸브 고부하 폐쇄 각도(αh)는 상기 흡입 밸브 부분 부하 폐쇄 각도(αp)보다 5° 내지 25° 앞서는 범위 내에 있고,
흡입 밸브 고부하 폐쇄 각도(αh)와 흡입 밸브 부분 부하 폐쇄 각도(αp) 사이의 차이(d)는 부분 부하 상한이 감소함에 따라 더 크게 설정되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제1항에 있어서,
상기 흡입 밸브 부분 부하 폐쇄 각도(αp)는 하한으로서 하사점(BDC) 이전 15°내지 상한으로서 하사점(BDC) 이후 10° 범위 내에 있는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제1항 또는 제2항에 있어서,
상기 고부하 모드에서, 연료는 고부하 모드 분사 타이밍 동안 분사되며,
상기 부분 부하 모드에서, 연료는 상기 고부하 모드 분사 타이밍보다 2° 내지 6° 더 앞서는 범위 내에 있는 부분 부하 분사 타이밍 동안 분사되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제1항 또는 제2항에 있어서,
상기 부분 부하 모드에서, 연료는 하한으로서 상사점(TDC) 이전 15° 내지 상한으로서 상사점(TDC) 이전 2°의 범위 내에서 분사되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제1항 또는 제2항에 있어서,
상기 고부하 폐쇄 각도(αh)는 35° BBDC 내지 10° BBDC의 범위 내에 위치하는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제1항 또는 제2항에 있어서,
상기 고부하 모드에서, 연료는 하한으로서 상사점(TDC) 이전 13° 내지 상한으로서 상사점(TDC) 이전 3°의 범위 내에서 분사되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제1항 또는 제2항에 있어서,
회전식으로 지지되며 제1 편심부(36)를 구비한 샤프트(42)와,
상기 샤프트(42)의 회전 각도를 적어도 제1 각도 위치 및 상기 제1 각도 위치와는 상이한 제2 각도 위치로 조절하는 조절 장치(50)를 더 포함하며,
상기 제1 편심부(36)는 상기 흡입 밸브(4)를 제어하기 위한 흡입 밸브 작동 레버(26)를 지지하고,
상기 제1 각도 위치는 상기 고부하 모드와 관련되며 상기 제2 각도 위치는 상기 부분 부하 모드와 관련되고,
상기 제1 편심부(36)는, 상기 제1 각도 위치에서 상기 관련된 흡입 밸브(4)가 상기 흡입 밸브 고부하 폐쇄 각도에서 폐쇄되고, 상기 제2 각도 위치에서 상기 관련된 흡입 밸브가 상기 흡입 밸브 부분 부하 폐쇄 각도에서 폐쇄되도록 상기 샤프트(42)에 설계되고 배열되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제7항에 있어서,
상기 샤프트(42)는 배기 밸브(6)를 제어하기 위한 배기 밸브 작동 레버(30)를 지지하는 제2 편심부(38)를 더 구비하며,
상기 제2 편심부(38)는, 상기 제1 각도 위치에서 상기 관련된 배기 밸브(6)가 고부하 배기 밸브 폐쇄 각도에서 폐쇄되고, 상기 제2 각도 위치에서 상기 관련된 배기 밸브가 상기 고부하 배기 밸브 폐쇄 각도보다 더 앞서는 부분 부하 배기 밸브 폐쇄 각도에서 폐쇄되도록 상기 샤프트(42)에 설계되고 배열되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 제7항에 있어서,
상기 샤프트(42)는 연료 분사기(8)를 제어하기 위한 연료 펌프 작동 레버(34)를 지지하는 제3 편심부(40)를 더 구비하며,
상기 제3 편심부(40)는, 상기 제1 각도 위치에서 연료가 고부하 분사 타이밍 동안 분사되도록 상기 관련된 연료 분사기(8)가 제어되며, 상기 제2 각도 위치에서 연료가 상기 고부하 분사 타이밍보다 더 앞서는 부분 부하 분사 타이밍 동안 분사되게 상기 관련된 연료 펌프가 제어되도록 상기 샤프트(42)에 설계되고 배열되는,
내연 기관을 작동하기 위한 제어 시스템(1). - 적어도 하나의 흡입 밸브(4)를 구비한 적어도 하나의 실린더 유닛(9)을 포함하는 내연 기관을 작동하는 방법이며,
상기 방법은,
상기 적어도 하나의 흡입 밸브(4)는 흡입 밸브 부분 부하 폐쇄 각도(αp)에서 폐쇄되며, 최대 엔진 부하의 40% 내지 75%의 범위 내에 있는 부분 부하 상한까지의 엔진 부하에서 부분 부하 모드로 상기 내연 기관을 작동하는 단계와,
상기 적어도 하나의 흡입 밸브(4)는 상기 흡입 밸브 부분 부하 폐쇄 각도보다 5° 내지 25° 더 앞서는 범위 내에 위치하는 흡입 밸브 고부하 폐쇄 각도(αh)에서 폐쇄되며, 상기 부분 부하 상한을 초과하는 엔진 부하에서 고부하 모드로 상기 내연 기관을 작동하는 단계를 포함하고,
흡입 밸브 고부하 폐쇄 각도(αh)와 흡입 밸브 부분 부하 폐쇄 각도(αp) 사이의 차이(d)는 부분 부하 상한이 감소함에 따라 더 크게 설정되는,
내연 기관을 작동하는 방법. - 제10항에 있어서,
상기 부분 부하 폐쇄 각도는 하한으로서 하사점(BDC) 이전 15° 내지 상한으로서 하사점(BDC) 이후 10°의 범위 내에 위치하는,
내연 기관을 작동하는 방법. - 제10항 또는 제11항에 있어서,
상기 고부하 모드에서, 연료는 고부하 모드 분사 타이밍 동안 분사되고,
상기 부분 부하 모드에서, 연료는 상기 고부하 모드 분사 타이밍보다 2° 내지 6° 더 앞서는 부분 부하 분사 타이밍 동안 분사되는,
내연 기관을 작동하는 방법. - 제10항 또는 제11항에 있어서,
상기 부분 부하 모드에서, 연료는 하한으로서 상사점(TDC) 이전 15° 내지 상한으로서 상사점(TDC) 이전 2°의 범위 내에서 분사되는,
내연 기관을 작동하는 방법.
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EP13180236.5A EP2837804A1 (en) | 2013-08-13 | 2013-08-13 | Operating internal combustion engines |
EP13180236.5 | 2013-08-13 |
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KR20150020082A KR20150020082A (ko) | 2015-02-25 |
KR102203587B1 true KR102203587B1 (ko) | 2021-01-15 |
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US (1) | US9322302B2 (ko) |
EP (1) | EP2837804A1 (ko) |
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CN104791045A (zh) * | 2015-03-23 | 2015-07-22 | 朱譞晟 | 相位差式独立可调全可变气门正时和升程机构 |
WO2017023333A1 (en) * | 2015-08-06 | 2017-02-09 | General Electric Company | System and method for engine control |
DE102016200747A1 (de) * | 2016-01-20 | 2017-07-20 | Robert Bosch Gmbh | Verfahren zur Steuerung eines Kraftstoffzuführsystems |
CN108699971B (zh) * | 2016-03-14 | 2021-10-26 | 株式会社Ihi原动机 | 发动机系统及其控制方法 |
CN110374705A (zh) * | 2019-05-25 | 2019-10-25 | 全椒县全动机械有限公司 | 一种发动机可变凸轮轴 |
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2013
- 2013-08-13 EP EP13180236.5A patent/EP2837804A1/en not_active Ceased
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2014
- 2014-07-30 CN CN201410369775.6A patent/CN104373224B/zh active Active
- 2014-07-30 US US14/446,356 patent/US9322302B2/en active Active
- 2014-08-08 KR KR1020140102182A patent/KR102203587B1/ko active Active
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DE102007039210A1 (de) | 2007-08-20 | 2009-02-26 | Volkswagen Ag | Verfahren zum Betreiben einer Brennkraftmaschine |
DE102012024318A1 (de) | 2012-12-13 | 2014-06-18 | Volkswagen Aktiengesellschaft | Verfahren zum Betreiben einer Brennkraftmaschine |
WO2017023333A1 (en) | 2015-08-06 | 2017-02-09 | General Electric Company | System and method for engine control |
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KR20150020082A (ko) | 2015-02-25 |
US20150047587A1 (en) | 2015-02-19 |
CN104373224A (zh) | 2015-02-25 |
EP2837804A1 (en) | 2015-02-18 |
CN104373224B (zh) | 2019-01-08 |
US9322302B2 (en) | 2016-04-26 |
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