KR20020039632A - 가변밸브 타이밍장치 - Google Patents
가변밸브 타이밍장치 Download PDFInfo
- Publication number
- KR20020039632A KR20020039632A KR1020010072322A KR20010072322A KR20020039632A KR 20020039632 A KR20020039632 A KR 20020039632A KR 1020010072322 A KR1020010072322 A KR 1020010072322A KR 20010072322 A KR20010072322 A KR 20010072322A KR 20020039632 A KR20020039632 A KR 20020039632A
- Authority
- KR
- South Korea
- Prior art keywords
- intake
- valve
- exhaust
- valve timing
- overlap
- Prior art date
Links
Classifications
-
- 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
-
- 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
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 (12)
- 상사점의 앞쪽이 되는 배기행정범위와 상사점의 뒤쪽이되는 흡기행정범위를 가진, 흡기밸브(7a)와 배기밸브(7b)와의 밸브개방기간의 오버랩을, 내연기관(1)의 냉간 시동시에 밸브타이밍제어수단(31)에 의해 증대시키는 가변밸브타이밍장치에 있어서,상기 밸브타이밍제어수단(31)은, 상기 내연기관(1)의 냉간 시동시의 시동직후에, 상기 흡기행정범위를 포함한 오버랩을 형성하고, 그후에 상기 배기행정범위의 오버랩을 증대시키는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)으로부터의 지령에 의해 상기 흡기밸브(7a)의 개폐타이밍을 조정하는 흡기밸브타이밍가변수단(8a)을 구비하고, 또한 상기 배기밸브(7b)는 상기 흡기행정범위로 밸브폐쇄하도록 설정되고, 상기 밸브타이밍제어수단(31)은, 상기 흡기밸브타이밍가변수단(8a)을 제어해서 상기 오버랩을 조정하는것을 특징으로하는 가변밸브장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)으로부터의 지령에 의해 상기 흡기밸브(7a)의 개폐타이밍을 조정하는 흡기밸브타이밍가변수단(8a)과, 상기밸브타이밍제어수단(31)으로부터의 지령에 의해 상기 배기밸브(7b)의 개폐타이밍을 조정하는 배기밸브타이밍가변수단(8b)을 구비하고,상기 밸브타이밍제어수단(31)은, 상기 흡기밸브타이밍가변수단(8a) 또는 상기 배기밸브타이밍가변수단(8b)을 제어해서 상기 오버랩을 조정하는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)은, 상기 흡기행정범위를 포함한 오버랩을 형성할때까지의 동안, 상기 오버랩을 0으로 하는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)은, 상기 흡기행정범위를 포함한 오버랩을 형성한후 상기 배기행정범위의 오버랩을 증대시킬때까지의 동안, 기간의 대부분이 상기 흡기행정범위에 위치하는 오버랩을 형성하는 것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)은, 상기 배기행정범위의 오버랩을 증대시키는 동시에, 상기 배기밸브(7b)를 진각시키는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)은, 상기 오버랩을 변화시키는 타이밍을, 상기 내연기관(1)의 초폭으로부터의 경과시간에 의거해서 설정하는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 밸브타이밍제어수단(31)은, 상기 배기행정범위의 오버랩을 증대시킨후에, 상기 배기밸브(7b)를 진각시키는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 내연기관(1)의 운전상태를 검출하는 운전상태검출수단(32,34,35,36)과상기 운전상태에 따라서, 상기 밸브타이밍제어수단(31)에 의한 상기 흡기밸브(7a)의 개폐타이밍의 제어개시를 지연시키는 제어지연수단(31)을 또 가진것을 특징으로하는 가변밸브타이밍장치.
- 제 9항에 있어서,상기 운전상태검출수단(32,34,35,36)은, 엔진온도와 흡기온도 및 엔진회전속도의 적어도 한쪽을 운전상태로해서 검출하고, 상기 제어지연수단(31)은, 상기 엔진온도에 따라서 설정되는 기준치를 상기 흡기온도 및 엔진회전속도의 적어도 한쪽에 의해 보정한 값에 의거해서 지연을 실행하는것을 특징으로하는 가변밸브타이밍장치.
- 제 1항에 있어서,상기 내연기관(1)의 운전상태를 검출하는 운전상태검출수단(32,34,35,36)과상기 운전상태에 따라서, 상기 밸브타이밍제어수단(31)에 의한 상기 흡기밸브(7a)의 개폐타이밍의 가변속도를 저하시키는 가변속도저하수단(31)을 또 가진것을 특징으로하는 가변밸브타이밍장치.
- 제 11항에 있어서,상기 운전상태검출수단(32,34,35,36)은, 엔진속도와 흡기온도 및 엔진회전속도의 적어도 한쪽을 운전상태로서 검출하고,상기 가변속도제어수단(31)은, 상기 엔진온도에 따라서 설정되는 기준치를 상기 흡기온도 및 엔진회전속도의 적어도 한쪽에 의해 보정한 값에 의거해서 상기 흡기밸브(7a)의 개폐타이밍의 가변속도를 저하시키는것을 특징으로하는 가변밸브타이밍장치.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00354116 | 2000-11-21 | ||
JP2000354116A JP3997384B2 (ja) | 2000-11-21 | 2000-11-21 | 可変バルブタイミング装置 |
JPJP-P-2001-00004983 | 2001-01-12 | ||
JP2001004983A JP4591645B2 (ja) | 2001-01-12 | 2001-01-12 | 可変バルブタイミング装置 |
JPJP-P-2001-00017149 | 2001-01-25 | ||
JP2001017149A JP4577469B2 (ja) | 2001-01-25 | 2001-01-25 | 可変バルブタイミング装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020039632A true KR20020039632A (ko) | 2002-05-27 |
KR100425543B1 KR100425543B1 (ko) | 2004-03-30 |
Family
ID=27345232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0072322A KR100425543B1 (ko) | 2000-11-21 | 2001-11-20 | 가변밸브 타이밍장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6637386B2 (ko) |
KR (1) | KR100425543B1 (ko) |
CN (1) | CN1265080C (ko) |
DE (1) | DE10156140B4 (ko) |
Cited By (1)
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KR20040041349A (ko) * | 2002-11-11 | 2004-05-17 | 현대자동차주식회사 | 연속 가변 밸브 타이밍 기구의 오버랩 제어방법 |
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2001
- 2001-11-15 DE DE10156140A patent/DE10156140B4/de not_active Expired - Lifetime
- 2001-11-20 KR KR10-2001-0072322A patent/KR100425543B1/ko active IP Right Grant
- 2001-11-20 CN CNB01134959XA patent/CN1265080C/zh not_active Expired - Lifetime
- 2001-11-21 US US09/989,405 patent/US6637386B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040041349A (ko) * | 2002-11-11 | 2004-05-17 | 현대자동차주식회사 | 연속 가변 밸브 타이밍 기구의 오버랩 제어방법 |
Also Published As
Publication number | Publication date |
---|---|
US6637386B2 (en) | 2003-10-28 |
DE10156140A1 (de) | 2002-08-08 |
KR100425543B1 (ko) | 2004-03-30 |
CN1354321A (zh) | 2002-06-19 |
DE10156140B4 (de) | 2005-12-15 |
CN1265080C (zh) | 2006-07-19 |
US20020062799A1 (en) | 2002-05-30 |
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