KR930003083B1 - 내연기관의 연소실 - Google Patents
내연기관의 연소실 Download PDFInfo
- Publication number
- KR930003083B1 KR930003083B1 KR1019900013482A KR900013482A KR930003083B1 KR 930003083 B1 KR930003083 B1 KR 930003083B1 KR 1019900013482 A KR1019900013482 A KR 1019900013482A KR 900013482 A KR900013482 A KR 900013482A KR 930003083 B1 KR930003083 B1 KR 930003083B1
- Authority
- KR
- South Korea
- Prior art keywords
- combustion chamber
- piston
- combustion
- fuel
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
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
- F02B23/0645—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
- 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
-
- 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
- F02B23/0681—Square, rectangular or the like profiles
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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
-
- 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
-
- 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
-
- 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
- F02B23/0648—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
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
Description
Claims (1)
- 연료분사식 왕복동식 디젤기관의 연소실을 형성하는 피스톤의 연소실측 상단면에 형성된 凹형상의 피스톤 연소실에 있어서, 피스톤(P)의 직경(D)의 0.522 내지 0.552배의 직경(d)를 갖는 주연소실(C)와, 상기 주연소실(C)의 중심(a)를 중심으로 하는 반경 (B)가 0.105D 내지 0.238D 또는 0.195d 내지 0.446d인 원주상에 그리고 스프레이(S)와 스프레이(S)의 사이에 중심을 둔 반경(A)가 0.095D 내지 0.200D 또는 0.179d 내지 0.370d가 되며 상기 주연소실의 상단으로부터 하단면까지 연결된 상태로 여러개가 설치된 부연소실(CA)로 이루어져 복합형 연소실을 형성하고, 상기 주연소실(C) 내로 분사되는 연료는 주 연소실(C)의 중심선에서 스월방향으로 4°벗어난 지점으로부터 지점(A)에서 스월 반대방향으로 7°떨어진 지점(F)까지의 각도 범위()내의 각도로 분사되는 것을 특징으로 하는 연료분사식 왕복동식 디젤기관의 연소실을 형성하는 피스톤의 연소실측 상단면에 설치된 피스톤 연소실.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900013482A KR930003083B1 (ko) | 1990-08-30 | 1990-08-30 | 내연기관의 연소실 |
US07/697,449 US5158055A (en) | 1990-08-30 | 1991-05-09 | Combustion chamber of internal-combustion engine |
JP3126191A JPH04272425A (ja) | 1990-08-30 | 1991-05-29 | ディーゼルエンジンの燃焼室 |
DE4118458A DE4118458C2 (de) | 1990-08-30 | 1991-06-05 | Brennraum einer Brennkraftmaschine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900013482A KR930003083B1 (ko) | 1990-08-30 | 1990-08-30 | 내연기관의 연소실 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920004709A KR920004709A (ko) | 1992-03-28 |
KR930003083B1 true KR930003083B1 (ko) | 1993-04-17 |
Family
ID=19302929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900013482A Expired - Fee Related KR930003083B1 (ko) | 1990-08-30 | 1990-08-30 | 내연기관의 연소실 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5158055A (ko) |
JP (1) | JPH04272425A (ko) |
KR (1) | KR930003083B1 (ko) |
DE (1) | DE4118458C2 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0598941B1 (de) * | 1992-11-26 | 1997-01-22 | AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List | Fremdgezündete Brennkraftmaschine mit einem im Kolben zugeordneten Brennraum |
DE4326978A1 (de) * | 1993-08-11 | 1995-02-16 | Alcan Gmbh | Kolben für Brennkraftmaschinen, insbesondere für Dieselmotoren |
JPH1082323A (ja) * | 1996-09-06 | 1998-03-31 | Mitsubishi Motors Corp | ディーゼルエンジンの燃焼室 |
US5970946A (en) * | 1997-11-18 | 1999-10-26 | Shea; Patrick R. | Non-annular piston bowl for two-valve engines using offset injectors |
KR20030030247A (ko) * | 2001-10-09 | 2003-04-18 | 현대자동차주식회사 | 직접 분사식 디젤엔진의 연소실 구조 |
US6892693B2 (en) * | 2003-02-12 | 2005-05-17 | Bombardier Recreational Products, Inc. | Piston for spark-ignited direct fuel injection engine |
US7438039B2 (en) * | 2004-02-06 | 2008-10-21 | Electro-Motive Diesel, Inc. | Large-bore, medium-speed diesel engine having piston crown bowl with acute re-entrant angle |
US6945219B2 (en) * | 2004-02-09 | 2005-09-20 | Bombardier Recreational Products Inc. | Dual zone combustion chamber |
DE102010032442B4 (de) * | 2010-07-28 | 2014-10-30 | Audi Ag | Selbstzündende Brennkraftmaschine mit Kolbenmulden mit Drallstufung |
JP6477750B2 (ja) * | 2017-03-10 | 2019-03-06 | マツダ株式会社 | ディーゼルエンジン |
JP6551868B2 (ja) * | 2017-03-17 | 2019-07-31 | マツダ株式会社 | ディーゼルエンジン |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1012924A (en) * | 1963-10-17 | 1965-12-08 | Lister & Co Ltd R A | Improvements in or relating to internal combustion piston engines |
US3374773A (en) * | 1965-04-27 | 1968-03-26 | Daimler Benz Aktiengesellshcaf | Diesel engine |
JPS49116036A (ko) * | 1973-03-14 | 1974-11-06 | ||
JPS5236033A (en) * | 1975-09-17 | 1977-03-19 | Matsushita Electric Ind Co Ltd | Image recording process and device therefor |
GB1540457A (en) * | 1976-09-23 | 1979-02-14 | Lister & Co Ltd R | Piston for an internal combustion engine |
JPS5360410A (en) * | 1976-11-12 | 1978-05-31 | Komatsu Ltd | Combustion chamber |
US4135401A (en) * | 1977-11-23 | 1979-01-23 | Westinghouse Electric Corp. | Temperature measurement system for hollow shaft interiors |
DE2753341A1 (de) * | 1977-11-30 | 1979-05-31 | Daimler Benz Ag | Luftverdichtende hubkolbenbrennkraftmaschine mit selbstzuendung |
JPS56106971A (en) * | 1980-01-28 | 1981-08-25 | Nippon Furitsuto Kk | Frit composition for electrostatic coating, and preparation of enameled ware |
JPS5812632A (ja) * | 1981-07-13 | 1983-01-24 | 松下電器産業株式会社 | 電気掃除機 |
DE3373694D1 (en) * | 1982-04-23 | 1987-10-22 | Hino Motors Ltd | Combustion chamber of diesel engine |
JPS5954728A (ja) * | 1982-09-21 | 1984-03-29 | Toyota Central Res & Dev Lab Inc | 内燃機関の乱れ生成方法及びその内燃機関 |
JPS59158317A (ja) * | 1983-02-28 | 1984-09-07 | Hino Motors Ltd | ピストン |
GB8317453D0 (en) * | 1983-06-28 | 1983-08-03 | Massey Ferguson Perkins Ltd | Ic engine |
JPH0635828B2 (ja) * | 1983-06-30 | 1994-05-11 | いすゞ自動車株式会社 | 直接噴射式デイ−ゼル機関の燃焼室構造 |
JPS6024289A (ja) * | 1983-07-19 | 1985-02-06 | Tanaka Kikinzoku Kogyo Kk | クラツド材料の製造方法 |
FR2549916B1 (fr) * | 1983-07-25 | 1988-05-20 | Onera (Off Nat Aerospatiale) | Dispositif d'articulation actif a compliance |
JPH0611624A (ja) * | 1992-06-25 | 1994-01-21 | Kyocera Corp | 光分岐・結合器及びその製造方法 |
-
1990
- 1990-08-30 KR KR1019900013482A patent/KR930003083B1/ko not_active Expired - Fee Related
-
1991
- 1991-05-09 US US07/697,449 patent/US5158055A/en not_active Expired - Fee Related
- 1991-05-29 JP JP3126191A patent/JPH04272425A/ja active Pending
- 1991-06-05 DE DE4118458A patent/DE4118458C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4118458C2 (de) | 1996-09-19 |
DE4118458A1 (de) | 1992-03-05 |
JPH04272425A (ja) | 1992-09-29 |
US5158055A (en) | 1992-10-27 |
KR920004709A (ko) | 1992-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19900830 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19900830 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19920424 Patent event code: PE09021S01D |
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E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19920831 Patent event code: PE09021S01D |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19930323 |
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E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19930629 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19930705 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 19930705 End annual number: 3 Start annual number: 1 |
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PR1001 | Payment of annual fee |
Payment date: 19960110 Start annual number: 4 End annual number: 4 |
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PR1001 | Payment of annual fee |
Payment date: 19961204 Start annual number: 5 End annual number: 5 |
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PR1001 | Payment of annual fee |
Payment date: 19970829 Start annual number: 6 End annual number: 6 |
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FPAY | Annual fee payment |
Payment date: 19990128 Year of fee payment: 7 |
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PR1001 | Payment of annual fee |
Payment date: 19990128 Start annual number: 7 End annual number: 7 |
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LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |