KR830002140A - 내연기관 특히 과급기설치 엔진의 효율을 개량하는 법방 - Google Patents
내연기관 특히 과급기설치 엔진의 효율을 개량하는 법방Info
- Publication number
- KR830002140A KR830002140A KR1019800000432A KR800000432A KR830002140A KR 830002140 A KR830002140 A KR 830002140A KR 1019800000432 A KR1019800000432 A KR 1019800000432A KR 800000432 A KR800000432 A KR 800000432A KR 830002140 A KR830002140 A KR 830002140A
- Authority
- KR
- South Korea
- Prior art keywords
- intake valve
- exhaust
- internal combustion
- engines
- efficiency
- Prior art date
Links
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
- 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
-
- 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
- F01L1/08—Shape of cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/08—Modifying distribution valve timing for charging purposes
-
- 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
- F02D13/0242—Variable control of the exhaust valves only
- F02D13/0246—Variable control of the exhaust valves only changing valve lift or valve lift and timing
-
- 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
- F02D13/0261—Controlling the valve overlap
-
- 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
-
- 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
- F02D13/0273—Multiple actuations of a valve within an engine cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/32—Miller cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- 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)
- Valve-Gear Or Valve Arrangements (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래의 밸브 타이밍과 함께 배기 밸브 리프트(lift) (곡선 A1)와 흡기 밸브 리프트(곡선 B1)를 엔진의 크랑크 샤후트(°AM)의 회전각의 함수로서 그라프로 나타낸 것임.
제2도는 배기밸브 리프트를 각각 곡선(A 2a) 및 (A 2b)에 의해 도해된 두가지 형태의 본 발명 실시에 따라 크랑크 샤후트의 회전각도의 함수로써 그라프로 나타낸 것이며, 흡기밸브 리프트 (곡선 B2)도 그라프로 나타낸 것임.
제3도는 헬릭스(helix) 법칙에 따라 각각 흡기 다기관(곡선 P3)과 배기 다기관(곡선 P4)의 압력을 그라프로 나타낸 것이며, 또한 P3/P4 비율을 헬릭스 법칙에 따라 유효 평균 압력과 동력(단지 유효 평균 압력(Pme)만이 선형으로 변화함)의 함수로써 나타낸 것임.
제4도는 본 발명의 경우에 있어 흡기밸브의 다른 순간에 있어서 실린더내의 압력을 그라프로 나타낸 것이며, 그리고 예를 들어 하사점(下死點)을 지나 35도의 각도에서 닫히는 흡기밸브를 갖는 종래의 밸브 타이밍 도표를 갖는 엔진의 실린더 압력을 그라프로 나타낸 것임.
제5도는 하나의 동일한 그라프로, 여러개의 용적효율 및 유입 또는 충진비율에 해당하는 두 개의 곡선을, 본 발명에서 하나의 밸브 타이밍 도표로써 얻어지는 동력(헬릭스법칙에 따라)의 함수로 나타낸 것임.
제6도는 실린더내의 과잉 연소공기(aC)를 본 발명의 하나의 타이밍 도표에 대해 동력(헬릭스법칙에 따라서)의 함수로서 그라프로 나타낸 것임.
제7도는 제2도에 나타나 있는 전개곡선(A2b)을 얻기 위한 배기밸브 작동캠의 도면임.
제8도는 제2도에 나타낸 곡선(A2a)을 얻기 위한 배기밸브 작동캠의 도면임.
제9도는 본 발명에 따른 방법과 관련된 보충장치의 도면임.
Claims (1)
- 본문에 상술하고 도면에 도시한 바와 같이, 과급공기 압력과 실린더 배기측에서의 반대압력 사이의 관계의 자연적 변화에 따라서, 하사점 부근에서 실린더 안으로 다시 유도되는 연소가스 또는 공기로 되어있어, 배기 관로안에 있는 가스 또는 새로운 공기량을 부수적으로 감소시킴으로써, 시동에서 공칭동력까지 유효압축비율과 압축완료 온도를, 엔진부하의 점진적 증가 도중에, 자동적으로 서서히 감소시키기 위해서, 흡입밸브의 고정된 폐쇄시점을 지나 배기밸브를 폐쇄하는 것으로 되어 있는 특징이 있고, 하사점에 이르는 부근에서 또는 약간 그 이전에 흡입밸브를 닫아주며, 적어도 한 개의 흡입밸브 리프트와 적어도 한 개의 배기밸브 리프트 사이에서 타이밍 도표의 중첩되는 단계가 있는 디젤엔진과 같은, 특히 예를 들어 일정한 압력에서 과급장치된 디젤엔진과 같은 4행정 순환 내연기관의 효율을 개향하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7902877A FR2448032A1 (fr) | 1979-02-05 | 1979-02-05 | Procede pour ameliorer le rendement d'un moteur a combustion interne notamment suralimente |
FR2877 | 1979-02-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830002140A true KR830002140A (ko) | 1983-05-23 |
KR840001288B1 KR840001288B1 (ko) | 1984-09-07 |
Family
ID=9221601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019800000432A KR840001288B1 (ko) | 1979-02-05 | 1980-02-04 | 내연기관 특히 과급기설치 엔진의 효율을 개량하는 방법 |
Country Status (18)
Country | Link |
---|---|
US (1) | US4424790A (ko) |
EP (1) | EP0015791B1 (ko) |
JP (1) | JPS55107029A (ko) |
KR (1) | KR840001288B1 (ko) |
AU (1) | AU539186B2 (ko) |
CS (1) | CS270403B2 (ko) |
DD (1) | DD148971A5 (ko) |
DE (1) | DE3066223D1 (ko) |
DK (1) | DK153235C (ko) |
ES (1) | ES8103267A1 (ko) |
FI (1) | FI67130C (ko) |
FR (1) | FR2448032A1 (ko) |
IN (1) | IN153625B (ko) |
NO (1) | NO152620C (ko) |
PL (1) | PL126997B1 (ko) |
SE (2) | SE8000846L (ko) |
SU (1) | SU1131476A3 (ko) |
YU (1) | YU42661B (ko) |
Cited By (1)
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KR100545110B1 (ko) * | 2000-12-02 | 2006-01-24 | 김경환 | 과급형 내연엔진 |
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DE566592C (de) * | 1932-12-22 | Myron Seiliger | Arbeitsverfahren fuer Viertaktbrennkraftmaschinen | |
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DE2010506C3 (de) * | 1970-03-05 | 1980-04-17 | Ltg Lufttechnische Gmbh, 7000 Stuttgart | Induktionsgerät |
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DE2638651A1 (de) * | 1976-08-27 | 1978-03-02 | Franc Lopic | Explosionsmotor mit einer drehbaren nockenwelle |
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FR2418332A1 (fr) * | 1978-02-24 | 1979-09-21 | Semt | Procede d'amelioration du refroidissement externe d'une soupape d'echappement d'un moteur a combustion interne, notamment d'un moteur diesel suralimente, et dispositif pour la mise en oeuvre dudit procede |
-
1979
- 1979-02-05 FR FR7902877A patent/FR2448032A1/fr active Granted
-
1980
- 1980-01-21 IN IN39/DEL/80A patent/IN153625B/en unknown
- 1980-01-31 ES ES488160A patent/ES8103267A1/es not_active Expired
- 1980-02-01 SE SE8000846D patent/SE8000846L/xx not_active Application Discontinuation
- 1980-02-01 SE SE8000846A patent/SE445058B/sv not_active IP Right Cessation
- 1980-02-04 CS CS80757A patent/CS270403B2/cs unknown
- 1980-02-04 NO NO800291A patent/NO152620C/no unknown
- 1980-02-04 SU SU802877108A patent/SU1131476A3/ru active
- 1980-02-04 PL PL1980221806A patent/PL126997B1/pl unknown
- 1980-02-04 KR KR1019800000432A patent/KR840001288B1/ko active
- 1980-02-04 DD DD80218861A patent/DD148971A5/de unknown
- 1980-02-05 FI FI800342A patent/FI67130C/fi not_active IP Right Cessation
- 1980-02-05 EP EP80400179A patent/EP0015791B1/fr not_active Expired
- 1980-02-05 DK DK049080A patent/DK153235C/da not_active IP Right Cessation
- 1980-02-05 DE DE8080400179T patent/DE3066223D1/de not_active Expired
- 1980-02-05 YU YU306/80A patent/YU42661B/xx unknown
- 1980-02-05 JP JP1295480A patent/JPS55107029A/ja active Granted
- 1980-02-05 AU AU55230/80A patent/AU539186B2/en not_active Ceased
-
1982
- 1982-05-11 US US06/377,142 patent/US4424790A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100545110B1 (ko) * | 2000-12-02 | 2006-01-24 | 김경환 | 과급형 내연엔진 |
Also Published As
Publication number | Publication date |
---|---|
NO152620C (no) | 1985-10-23 |
ES488160A0 (es) | 1981-02-16 |
CS270403B2 (en) | 1990-06-13 |
DE3066223D1 (en) | 1984-03-01 |
DK49080A (da) | 1980-08-06 |
FR2448032B1 (ko) | 1984-08-10 |
FI800342A (fi) | 1980-08-06 |
YU42661B (en) | 1988-10-31 |
NO800291L (no) | 1980-08-06 |
US4424790A (en) | 1984-01-10 |
YU30680A (en) | 1985-04-30 |
JPS55107029A (en) | 1980-08-16 |
EP0015791A1 (fr) | 1980-09-17 |
PL126997B1 (en) | 1983-09-30 |
CS75780A2 (en) | 1989-11-14 |
ES8103267A1 (es) | 1981-02-16 |
NO152620B (no) | 1985-07-15 |
SU1131476A3 (ru) | 1984-12-23 |
IN153625B (ko) | 1984-07-28 |
KR840001288B1 (ko) | 1984-09-07 |
EP0015791B1 (fr) | 1984-01-25 |
DK153235B (da) | 1988-06-27 |
PL221806A1 (ko) | 1980-10-20 |
SE8000846L (sv) | 1980-08-06 |
FI67130C (fi) | 1985-01-10 |
AU5523080A (en) | 1980-08-14 |
FI67130B (fi) | 1984-09-28 |
SE445058B (sv) | 1986-05-26 |
FR2448032A1 (fr) | 1980-08-29 |
DK153235C (da) | 1988-11-21 |
JPS6329093B2 (ko) | 1988-06-10 |
AU539186B2 (en) | 1984-09-13 |
DD148971A5 (de) | 1981-06-17 |
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