KR100947383B1 - 가변 밸브 시스템 - Google Patents
가변 밸브 시스템 Download PDFInfo
- Publication number
- KR100947383B1 KR100947383B1 KR1020070131664A KR20070131664A KR100947383B1 KR 100947383 B1 KR100947383 B1 KR 100947383B1 KR 1020070131664 A KR1020070131664 A KR 1020070131664A KR 20070131664 A KR20070131664 A KR 20070131664A KR 100947383 B1 KR100947383 B1 KR 100947383B1
- Authority
- KR
- South Korea
- Prior art keywords
- variable valve
- cylinder
- intake
- exhaust
- valve system
- Prior art date
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Classifications
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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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
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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
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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
- F01L13/0005—Deactivating valves
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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
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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
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and 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
- F02D13/06—Cutting-out cylinders
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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
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
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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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/06—Timing or lift different for valves of same cylinder
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims (7)
- 실린더에 장착되어 밸브의 리프트 양을 조절하여 실린더를 휴지시키는 실린더 휴지부(cylinder de activation portion);흡기 및 배기 중 하나의 기능을 하는 밸브들의 리프트 양을 설정된 범위 안에서 변화시키는 연속 가변 밸브 리프터(continuous variable valve lifter); 및흡기 및 배기 중 하나의 기능을 하는 밸브들의 개폐 타이밍 조절하는 연속 가변 밸브 타이밍부(continuous variable valve timing portion); 를 포함하고,적어도 한 개의 실린더로 구성된 제1그룹에 장착된 상기 실린더 휴지부가 작동되고 적어도 한 개의 실린더로 구성된 제2그룹에 장착된 상기 실린더 휴지부는 작동되지 않는 제1모드; 및상기 제1그룹에 장착된 상기 실린더 휴지부가 작동되지 않고 상기 제2그룹에 장착된 상기 실린더 휴지부는 작동되는 제2모드를 포함하고,운전상태에 따라서 상기 제1모드와 상기 제2모드가 설정된 주기로 번갈아 가며 수행되는 가변 밸브 시스템.
- 제1 항에 있어서,상기 실린더 휴지부는,상기 밸브의 움직임을 조절하는 가변 테핏; 및상기 가변 테핏에 유압을 공급하는 제1 유압 제어부;를 포함하는 가변 밸브 시스템.
- 제1 항에 있어서,상기 연속가변 밸브 리프터는,제1 제어 샤프트의 위상각을 제어하여 스윙암의 움직임 양을 조절하는 가변 밸브 시스템.
- 제1 항에 있어서,상기 연속가변 밸브 리프터는,제2 제어 샤프트의 위상각을 제어하여 로커암의 움직임 양을 조절하는 가변 밸브 시스템.
- 제1 항에 있어서,상기 연속가변 밸브 리프터는,상기 밸브를 하이, 로우 또는 메디엄의 3단계로 조절하는 가변 밸브 시스템.
- 제5 항에 있어서,상기 실린더 휴지부는,상기 밸브를 온 또는 오프의 2단계로 조절하는 가변 밸브 시스템.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070131664A KR100947383B1 (ko) | 2007-12-14 | 2007-12-14 | 가변 밸브 시스템 |
US12/130,519 US7950359B2 (en) | 2007-12-14 | 2008-05-30 | Variable valve system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070131664A KR100947383B1 (ko) | 2007-12-14 | 2007-12-14 | 가변 밸브 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090064099A KR20090064099A (ko) | 2009-06-18 |
KR100947383B1 true KR100947383B1 (ko) | 2010-03-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070131664A KR100947383B1 (ko) | 2007-12-14 | 2007-12-14 | 가변 밸브 시스템 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7950359B2 (ko) |
KR (1) | KR100947383B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103573425A (zh) * | 2012-07-24 | 2014-02-12 | 福特环球技术公司 | 用于汽缸停用的可变气门正时 |
KR20160069786A (ko) * | 2014-12-09 | 2016-06-17 | 현대자동차주식회사 | 실린더 휴지 엔진 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689327B2 (en) | 2008-07-11 | 2017-06-27 | Tula Technology, Inc. | Multi-level skip fire |
CN101929365B (zh) * | 2010-07-30 | 2012-07-04 | 天津大学 | 柴油机液压式自适应气门正时可变***与控制方法 |
WO2013059365A1 (en) | 2011-10-17 | 2013-04-25 | Tula Technology, Inc. | Hybrid vehicle with cylinder deactivation |
WO2014026160A1 (en) | 2012-08-10 | 2014-02-13 | Tula Technology, Inc. | Split bank and multimode skip fire operation |
US8931444B2 (en) * | 2012-11-20 | 2015-01-13 | Ford Global Technologies, Llc | Head packaging for cylinder deactivation |
US9399964B2 (en) | 2014-11-10 | 2016-07-26 | Tula Technology, Inc. | Multi-level skip fire |
US10400691B2 (en) | 2013-10-09 | 2019-09-03 | Tula Technology, Inc. | Noise/vibration reduction control |
KR101566740B1 (ko) * | 2013-12-19 | 2015-11-06 | 현대자동차 주식회사 | 가변 밸브 리프트를 구비한 엔진의 제어 장치 및 방법 |
US11236689B2 (en) | 2014-03-13 | 2022-02-01 | Tula Technology, Inc. | Skip fire valve control |
WO2015175286A1 (en) | 2014-05-12 | 2015-11-19 | Tula Technology, Inc. | Internal combustion engine using variable valve lift and skip fire control |
US10662883B2 (en) | 2014-05-12 | 2020-05-26 | Tula Technology, Inc. | Internal combustion engine air charge control |
KR101619251B1 (ko) | 2014-09-30 | 2016-05-10 | 현대자동차 주식회사 | Cda 구현이 가능한 엔진 |
KR101704206B1 (ko) * | 2015-06-02 | 2017-02-07 | 현대오트론 주식회사 | 엔진의 기통 휴지패턴 제어 방법 및 장치 |
CN106285828B (zh) * | 2016-08-30 | 2019-01-22 | 重庆长安汽车股份有限公司 | 一种汽车发动机可变气门升程***油路结构 |
KR101855771B1 (ko) | 2016-11-07 | 2018-05-09 | 현대자동차 주식회사 | 실린더 휴지 엔진 및 그 유압 제어방법 |
US10493836B2 (en) | 2018-02-12 | 2019-12-03 | Tula Technology, Inc. | Noise/vibration control using variable spring absorber |
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JPH02207151A (ja) * | 1989-02-03 | 1990-08-16 | Honda Motor Co Ltd | 作動気筒数可変エンジン |
JPH0633721A (ja) * | 1992-07-16 | 1994-02-08 | Mitsubishi Motors Corp | 多気筒内燃機関の動弁装置 |
JPH0771278A (ja) * | 1993-08-31 | 1995-03-14 | Aisin Seiki Co Ltd | エンジンのバルブタイミング制御装置 |
KR20000017311A (ko) * | 1998-08-17 | 2000-03-25 | 주르겐 헤르만 | 다기통 내연 기관을 작동시키는 방법 및 다기통 내연 기관의밸브 구동 장치 |
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JPS5321327A (en) * | 1976-08-12 | 1978-02-27 | Nissan Motor Co Ltd | Control device for number of fuel supply cylinder |
US6557518B1 (en) * | 2002-01-18 | 2003-05-06 | General Motors Corporation | Cylinder deactivation apparatus |
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US6874463B1 (en) * | 2004-02-26 | 2005-04-05 | General Motors Corporation | Engine and method of operation with cylinder deactivation |
US7308872B2 (en) * | 2004-12-30 | 2007-12-18 | Delphi Technologies, Inc. | Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation |
US7484484B2 (en) * | 2006-03-14 | 2009-02-03 | Gm Global Technology Operations, Inc. | Cylinder deactivation apparatus incorporating a distributed accumulator |
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-
2007
- 2007-12-14 KR KR1020070131664A patent/KR100947383B1/ko active IP Right Grant
-
2008
- 2008-05-30 US US12/130,519 patent/US7950359B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02207151A (ja) * | 1989-02-03 | 1990-08-16 | Honda Motor Co Ltd | 作動気筒数可変エンジン |
JPH0633721A (ja) * | 1992-07-16 | 1994-02-08 | Mitsubishi Motors Corp | 多気筒内燃機関の動弁装置 |
JPH0771278A (ja) * | 1993-08-31 | 1995-03-14 | Aisin Seiki Co Ltd | エンジンのバルブタイミング制御装置 |
KR20000017311A (ko) * | 1998-08-17 | 2000-03-25 | 주르겐 헤르만 | 다기통 내연 기관을 작동시키는 방법 및 다기통 내연 기관의밸브 구동 장치 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103573425A (zh) * | 2012-07-24 | 2014-02-12 | 福特环球技术公司 | 用于汽缸停用的可变气门正时 |
KR20160069786A (ko) * | 2014-12-09 | 2016-06-17 | 현대자동차주식회사 | 실린더 휴지 엔진 |
KR101683492B1 (ko) * | 2014-12-09 | 2016-12-07 | 현대자동차 주식회사 | 실린더 휴지 엔진 |
Also Published As
Publication number | Publication date |
---|---|
US7950359B2 (en) | 2011-05-31 |
KR20090064099A (ko) | 2009-06-18 |
US20090151673A1 (en) | 2009-06-18 |
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