KR102417382B1 - 가변 밸브 타이밍 기구 및 가변 밸브 듀레이션 기구를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법 - Google Patents
가변 밸브 타이밍 기구 및 가변 밸브 듀레이션 기구를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법 Download PDFInfo
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- KR102417382B1 KR102417382B1 KR1020160170712A KR20160170712A KR102417382B1 KR 102417382 B1 KR102417382 B1 KR 102417382B1 KR 1020160170712 A KR1020160170712 A KR 1020160170712A KR 20160170712 A KR20160170712 A KR 20160170712A KR 102417382 B1 KR102417382 B1 KR 102417382B1
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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
- F02D13/0211—Variable control of intake and exhaust valves changing valve lift or valve lift and timing the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related
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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
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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
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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
- F01L1/34—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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
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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
- 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
- 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
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
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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
- F01L2001/0471—Assembled camshafts
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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
- F01L2001/0471—Assembled camshafts
- F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
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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
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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
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
도 2는 본 발명에 따른 제어 방법이 적용되는 가변밸브 타이밍 기구의 구성도.
도 3은 본 발명에 따른 제어 방법이 적용될 수 있는 가변 밸브 듀레이션 기구의 개력적인 구성도.
도 4는 본 발명의 바람직한 실시예를 도시한 순서도.
도 5는 본 발명의 바람직한 실시예를 실시하는 경우의 밸브 리프트의 제어 거동을 나타내는 도면.
120: 로터 베인 130: 진각실
135: 진각 유로 140: 지각실
145: 지각 유로 200: 가변밸브 듀레이션 기구(CVVD)
210: 캠 샤프트 220: 캠부
230: 롤러 안내부 240: 제어 샤프트
300: 오일 컨트롤 밸브 400: 밸브 타이밍 검출 수단
410: 캠 샤프트 회전 각도 센서 420: 크랭크 샤프트 회전 각도 센서
500: 제어부 600: 밸브
Claims (3)
- 차량의 엔진의 밸브 열림 시간을 조절하는 가변 밸브 타이밍 기구 및 밸브 리프트의 듀레이션을 조절하는 가변 밸브 듀레이션 기구를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법으로서,
목표 밸브 열림 시점 및 목표 밸브 닫힘 시점을 결정하는 단계;
상기 목표 밸브 열림 시점 및 상기 목표 밸브 닫힘 시점에 의해 목표 밸브 듀레이션을 결정하는 단계;
상기 목표 밸브 열림 시점 및 실시간으로 측정되는 실제 밸브 듀레이션을 통해 목표 밸브 타이밍을 결정하는 단계;
상기 목표 밸브 듀레이션을 달성하도록 가변 밸브 듀레이션 기구를 제어하는 것과 더불어, 상기 목표 밸브 타이밍을 달성하도록 상기 가변 밸브 타이밍기구를 제어하는 단계;를 포함하는 것을 특징으로 하는 가변 밸브 타이밍 장치 및 가변 밸브 듀레이션 장치를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법. - 청구항 1에 있어서,
상기 가변 밸브 듀레이션 기구는,
상기 밸브의 피크 리프트(Peak lift) 시점이 고정되고, 상기 밸브의 개방 및 폐쇄 시점을 변화시켜 밸브 듀레이션을 조절하는 것인, 가변 밸브 타이밍 장치 및 가변 밸브 듀레이션 장치를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법. - 청구항 1에 있어서,
상기 가변 밸브 듀레이션 기구는,
상기 밸브의 폐쇄 시점이 고정되고, 상기 밸브의 개방 시점을 변화시켜 밸브 듀레이션을 조절하는 것인, 가변 밸브 타이밍 장치 및 가변 밸브 듀레이션 장치를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160170712A KR102417382B1 (ko) | 2016-12-14 | 2016-12-14 | 가변 밸브 타이밍 기구 및 가변 밸브 듀레이션 기구를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법 |
| US15/809,653 US10330026B2 (en) | 2016-12-14 | 2017-11-10 | Method of controlling valve timing and valve duration using CVVT apparatus and CVVD apparatus |
| CN201711228832.9A CN108223145B (zh) | 2016-12-14 | 2017-11-29 | 利用cvvt和cvvd装置控制气门正时和气门开启持续时间的方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160170712A KR102417382B1 (ko) | 2016-12-14 | 2016-12-14 | 가변 밸브 타이밍 기구 및 가변 밸브 듀레이션 기구를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20180068740A KR20180068740A (ko) | 2018-06-22 |
| KR102417382B1 true KR102417382B1 (ko) | 2022-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020160170712A Active KR102417382B1 (ko) | 2016-12-14 | 2016-12-14 | 가변 밸브 타이밍 기구 및 가변 밸브 듀레이션 기구를 이용한 밸브 타이밍 및 밸브 듀레이션 제어 방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10330026B2 (ko) |
| KR (1) | KR102417382B1 (ko) |
| CN (1) | CN108223145B (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102187579B1 (ko) * | 2019-11-01 | 2020-12-07 | 현대자동차주식회사 | 듀레이션 이원화 방식 cvvd 시스템 시동 제어 방법 |
| KR102774064B1 (ko) | 2020-04-28 | 2025-02-26 | 섀플러 테크놀로지스 아게 운트 코. 카게 | 밸브 거동 측정 가변 밸브 장치를 포함하는 엔진 |
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| KR101684559B1 (ko) * | 2015-12-11 | 2016-12-08 | 현대자동차 주식회사 | 연속 가변 밸브 타이밍 장치와 연속 가변 밸브 듀레이션 장치를 구비한 엔진 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004019555A (ja) | 2002-06-17 | 2004-01-22 | Toyota Motor Corp | 内燃機関の動弁装置 |
| JP2008157057A (ja) | 2006-12-21 | 2008-07-10 | Toyota Motor Corp | 内燃機関の制御装置 |
| JP2009236012A (ja) | 2008-03-27 | 2009-10-15 | Mitsubishi Motors Corp | 内燃機関の可変動弁装置 |
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| Publication number | Publication date |
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| US10330026B2 (en) | 2019-06-25 |
| US20180163642A1 (en) | 2018-06-14 |
| KR20180068740A (ko) | 2018-06-22 |
| CN108223145B (zh) | 2022-04-08 |
| CN108223145A (zh) | 2018-06-29 |
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