KR850007627A - 디젤 엔진의 연소실 구조 - Google Patents
디젤 엔진의 연소실 구조 Download PDFInfo
- Publication number
- KR850007627A KR850007627A KR1019850000932A KR850000932A KR850007627A KR 850007627 A KR850007627 A KR 850007627A KR 1019850000932 A KR1019850000932 A KR 1019850000932A KR 850000932 A KR850000932 A KR 850000932A KR 850007627 A KR850007627 A KR 850007627A
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- combustion chamber
- fuel
- wall
- side wall
- cylinder head
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Classifications
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0636—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the combustion space having a substantially flat and horizontal bottom
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
- F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
- F02B23/0693—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets the combustion space consisting of step-wise widened multiple zones of different depth
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/26—Pistons having combustion chamber in piston head
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- 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
- F02B2275/14—Direct injection into combustion chamber
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- 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
- F02B2275/40—Squish effect
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
- F02B23/0621—Squish flow
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
- F02B23/0624—Swirl flow
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도, 제2도 및 제3도는 종래의 연소실 형상을 도시하는 종단면도. 제4도 및 제5도는 본 발명의 제1실시예를 도시하는 종단면도.
Claims (3)
- 실린더 블럭과, 상기 실린더 블럭의 상부에 배치된 실린더 헤드와, 상기 실린더 블럭의 실린더 내에 끼워진 피스톤과, 상기 피스톤의 꼭대기부에 오목하게 설치되어 상기 실린더 헤드에 의해 상면이 덮어진 연소실과, 상기 연소실 내에 연료를 분무해야 할 실린더 헤드에 배치된 연료분사 노즐을 가지는 직접분무식 디젤엔진이 있어서, 상기 연소실이 회전체로서 형성되고, 상기 연소실이, 측벽이 상기 연소실의 개구 가장자리로 부터 하방으로 향함에 따라 내경이 크게 되도록 형성된 안내벽과, 상기 안내벽의 하부에 하방으로 향함에 따라 내경이 작게 되도록 형성된 제1연료 반사벽과, 상기 제1연료 방사벽의 하부에 위치하여 상기 연소실 중심축선ℓ0와 대략 평행으로 형성된 제2연료 반사벽에 의해 주위가 둘러싸여 구성되는 제1연소실 및 상기 제1연소실의 하방에 설치되어 측벽부 상부가 원호형상을 가지는 제2연소실로 구성되고, 또 상기 연료분사 노즐이, 상기 피스톤의 상사점 위치에 있어서, 연료분무가 상기 제1연소실과 상기 제2연소실과의 접합부에 향하도록 분사구멍이 배치된 것을 특징으로 하는 디젤엔진의 연소실구조.
- 실린더 블럭과, 상기 실린더 블럭의 상부에 배치된 실린더 헤드와, 상기 실린더 블럭의 실린더 내에 끼워진 피스톤과, 상기 피스톤의 꼭대기부에 오목하게 설치되어 상기 실린더 헤드로 상면이 덮여진 연소실과 상기 연소실 내에 연료를 분무해야 할 실린더 헤드에 배치된 연료분사 노즐을 가지는 직접분무식 디젤엔진에 있어서, 상기 연소실의 측벽이 원주방항으로 상기 연료를 분사노즐의 분사구멍의 개수와 같은 수로 또한 2종 형상의 제1 및 제2의 측벽부가 교호로 나란히 구성되고, 상기 제1의 측벽부가 상기 연소실의 개구 가장자리로부터 하방으로 향항에 따라 내경이 크게 되도록 형성된 제1안내벽과, 상기 제1안내벽의 하부에 하방으로 향함에 따라 내경이 작게되도록 형성된 제1연료 방사벽과, 상기 제1연료 반사벽의 하부에 위치하여 상기 연소실의 중심축선 ℓ0과 대략 평행으로 형성된 제2연료 반사벽과, 상기 제1안내벽, 상기제1연료 반사벽 및 상기 제2연료 반사벽에 의해 주위의 일부분이 둘러싸여 구성된 제1연소실과, 상기 제1연소실의 하방에 설치되어 측벽상부가 원호형상을 가지는 제2연소실의 측벽으로 구성되고, 또 상기 제2의 측벽부가, 상기 연소실이 개구 가장자리로부터 하방으로 향함에 따라 내경이 크게 되도록 형성됨과 함께 상기 제1안내벽 보다도 경사가 완만하게 형성된 제2안내벽과, 상기 제2안내벽의 하부에 하방으로 향함에 따라 내경이 작게 되도록 형성됨과 함께 상기 제1연료 반사벽과 대략 똑같은 경사를 가지는 제3연료 반사벽과, 상기 제3연료반사벽의 하부에 위치하여 상기 연소실의 중심축선(ℓ0)과 대략 평행하게 형성된 제4연료반사벽과, 상기 제2안내벽, 상기 제3연료반사벽 및 상기 제4연료반사벽에 의해 주위의 일부분이 둘러싸여 구성된 제1연소실과, 상기 제1연소실의 하방에 설치되어 측벽상부가 원호형상을 가지는 제2연소실의 측벽으로 구성되고, 상기 연료분사노즐이 상기 피스톤의 상사점 위치에 있어서 연료분무가 상기 제1의 측벽의 상기 제1연소실과 상기 제2의 연소실과의 접합부 및 상기 제2의 측벽의 상기 제1연소실과 상기 제2의 연소실과의 접합부에 각각 향하도록 분사구멍이 배치된 것을 특징으로 하는 디젤엔진의 분사실 구조.
- 실린더 블럭과, 상기 실린더 블럭의 상부에 배치된 실린더 헤드와, 상기 실린더 블럭의 실린더 내에 끼워진 피스톤과 상기 피스톤의 꼭대기부에 오목하게 설치되어 상기 실린더 헤드로 상면이 덮여진 연소실과, 상기 연소실내에 연료를 분무해야 할 실린더 헤드에 배치된 연료분사 노즐은 가지는 직법 분무식 디젤엔진에 있어서, 상기 연소실의 측벽이, 상기 연소실의 개구 가장자리로 부터 하방으로 향함에 따라 내경이 크게 되도록 형성된 안내벽과, 상기 안내벽의 하부에 연소실의 중심축선 ℓ0에 향해 돌출한 돌출부로 구성되고, 상기 돌출부에 의해 상기 연소실이 상하 방향으로 제1연소실과 제2연소실로 분할되고, 또 상기 돌출부가, 상기 연소실의 원주방향에 따라 상하방향으로 경사하는 제1경사 부분과 상기 제1경사부분과 역방향으로 경사된 제2경사부분이 교호로 나란하게 형성된 것을 특징으로 하는 디젤엔진의 연소실 구조.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26857 | 1984-02-15 | ||
JP84-26857 | 1984-02-15 | ||
JP59026857A JPS60173310A (ja) | 1984-02-15 | 1984-02-15 | デイ−ゼルエンジンの燃焼室構造 |
JP84-78531 | 1984-05-18 | ||
JP1984078531U JPS60190936U (ja) | 1984-05-28 | 1984-05-28 | デイ−ゼルエンジンの燃焼室構造 |
JP84-143997 | 1984-09-22 | ||
JP1984143997U JPS6158633U (ko) | 1984-09-22 | 1984-09-22 | |
JP60020819A JPS61182417A (ja) | 1985-02-07 | 1985-02-07 | デイ−ゼルエンジンの燃焼室構造 |
JP85-20819 | 1985-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850007627A true KR850007627A (ko) | 1985-12-07 |
KR900007815B1 KR900007815B1 (ko) | 1990-10-20 |
Family
ID=27457463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850000932A KR900007815B1 (ko) | 1984-02-15 | 1985-02-15 | 디젤 엔진의 연소실 구조 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4721080A (ko) |
EP (1) | EP0172253B1 (ko) |
KR (1) | KR900007815B1 (ko) |
DE (2) | DE3590066T (ko) |
GB (1) | GB2173254B (ko) |
WO (1) | WO1985003738A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100503818B1 (ko) * | 2002-09-11 | 2005-07-26 | 한국기계연구원 | 중대형 점화착화 희박연소 엔진용 피스톤 |
Families Citing this family (42)
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DE3874012T2 (de) * | 1987-06-08 | 1993-01-14 | Toyota Motor Co Ltd | Brennkammer in einem dieselmotor der direkteinspritzungsbauart. |
JPH0299718A (ja) * | 1988-10-07 | 1990-04-11 | Mitsubishi Motors Corp | 直接噴射式ディーゼル機関の燃焼室構造 |
AT1622U1 (de) * | 1995-02-28 | 1997-08-25 | Avl Verbrennungskraft Messtech | Einspritzsystem mit einem einspritzventil für eine selbstzündende brennkraftmaschine |
JPH1082323A (ja) * | 1996-09-06 | 1998-03-31 | Mitsubishi Motors Corp | ディーゼルエンジンの燃焼室 |
WO1998027329A1 (en) * | 1996-12-16 | 1998-06-25 | Perkins Engine Company Limited | A piston for an internal combustion engine having a re-entrant type combustion bowl |
US6732702B2 (en) | 2002-01-23 | 2004-05-11 | International Engine Intellectual Property Company, Llc | Combustion chamber |
US6601561B1 (en) | 2002-01-30 | 2003-08-05 | International Engine Intellectual Property Company, Llc | Combustion chamber |
US6705273B1 (en) | 2002-09-30 | 2004-03-16 | International Engine Intellectual Property Company, Llc | Combustion chamber |
DK200201605A (da) * | 2002-10-22 | 2004-04-23 | Hans Jensen Lubricators As | Ventil til montering i cyllindervæg |
US6868817B2 (en) * | 2002-12-13 | 2005-03-22 | International Engine Intellectual Property Company, Llc | Simplified combustion chamber |
FR2849900B1 (fr) * | 2003-01-13 | 2006-11-17 | Renault Sa | Chambre de combustion destinee a reduire les emissions de suies |
US6955165B2 (en) | 2003-03-13 | 2005-10-18 | International Engine Intellectual Property Company, Llc | Three-reentrancy combustion chamber |
CN1320262C (zh) * | 2003-08-06 | 2007-06-06 | 大连理工大学 | 内燃机喷雾导向*** |
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FR2861809A1 (fr) | 2003-11-03 | 2005-05-06 | Renault Sas | Piston pour chambre de combustion destinee a reduire les emissions de suies |
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-
1985
- 1985-02-14 EP EP85901055A patent/EP0172253B1/en not_active Expired
- 1985-02-14 GB GB08524576A patent/GB2173254B/en not_active Expired
- 1985-02-14 DE DE19853590066 patent/DE3590066T/de active Pending
- 1985-02-14 US US06/787,794 patent/US4721080A/en not_active Expired - Lifetime
- 1985-02-14 DE DE3590066A patent/DE3590066C2/de not_active Expired - Fee Related
- 1985-02-14 WO PCT/JP1985/000058 patent/WO1985003738A1/ja active IP Right Grant
- 1985-02-15 KR KR1019850000932A patent/KR900007815B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100503818B1 (ko) * | 2002-09-11 | 2005-07-26 | 한국기계연구원 | 중대형 점화착화 희박연소 엔진용 피스톤 |
Also Published As
Publication number | Publication date |
---|---|
WO1985003738A1 (en) | 1985-08-29 |
DE3590066C2 (ko) | 1993-06-24 |
US4721080A (en) | 1988-01-26 |
DE3590066T (de) | 1986-04-24 |
EP0172253A4 (en) | 1986-11-04 |
KR900007815B1 (ko) | 1990-10-20 |
GB8524576D0 (en) | 1985-11-06 |
GB2173254B (en) | 1988-04-07 |
EP0172253A1 (en) | 1986-02-26 |
GB2173254A (en) | 1986-10-08 |
EP0172253B1 (en) | 1989-03-15 |
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