KR920004709A - 내연기관의 연소실 - Google Patents

내연기관의 연소실 Download PDF

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Publication number
KR920004709A
KR920004709A KR1019900013482A KR900013482A KR920004709A KR 920004709 A KR920004709 A KR 920004709A KR 1019900013482 A KR1019900013482 A KR 1019900013482A KR 900013482 A KR900013482 A KR 900013482A KR 920004709 A KR920004709 A KR 920004709A
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KR
South Korea
Prior art keywords
combustion chamber
piston
combustion engine
internal combustion
spray
Prior art date
Application number
KR1019900013482A
Other languages
English (en)
Other versions
KR930003083B1 (ko
Inventor
오세종
강우
정재화
조복희
Original Assignee
박원희
한국과학기술 연구원
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 박원희, 한국과학기술 연구원 filed Critical 박원희
Priority to KR1019900013482A priority Critical patent/KR930003083B1/ko
Priority to US07/697,449 priority patent/US5158055A/en
Priority to JP3126191A priority patent/JPH04272425A/ja
Priority to DE4118458A priority patent/DE4118458C2/de
Publication of KR920004709A publication Critical patent/KR920004709A/ko
Application granted granted Critical
Publication of KR930003083B1 publication Critical patent/KR930003083B1/ko

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Classifications

    • 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
    • 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

내용 없음

Description

내연기관의 연소실
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 내연기관 연소실의 피스톤 상하 운동축과 직각 방향의 기하학적 형상을 도시한 도면,
제2도는 본 발명에 따른 내연기관 연소실의 피스톤 연소실 내에서의 공기 유동 현상을 도시한 도면,
제3도는 본 발명에 따른 연소실과분산된 연료와의 관계를 도시한 연소실의 전체 조립 단면도.

Claims (1)

  1. 연료분사식 왕복동식 디젤기관의 연소실을 형성하는 피스톤의 연소실측 상단면에 형성된형상의 피스톤 연소실에 있어서, 피스톤(P)의 직경 (D)의 0. 522 내지 0. 552 배의 범위로 설정된 연소실의 직경(d)을 갖는 주연소실(C)과, 상기 주연소실(C)의 원의 중심(a)에서 반경(B)이 0. 105D 내지 0.238D 또는 0. 195d 내지 0.446d되는 원주상에 그리고 스프레이(S)와 스프레이(S)의 중간 지점에 중심을 둔 반경 (A)이 0.095D내지 0.200D 또는 0. 179d 네지 0.370d가 되며 상기 주연소실의 상단으로부터 하단면까지 연결된 상태로 여러개가 설치된 부연소실(CA)으로 이루어져 복합형 연소실을 행성한 것을 특징으로 하는 연료분사식 왕복등식 디젤기관이 연소실을 형성하는 피스톤의 연소실측 상단면에설치된 피스톤 연소실.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900013482A 1990-08-30 1990-08-30 내연기관의 연소실 KR930003083B1 (ko)

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 true KR920004709A (ko) 1992-03-28
KR930003083B1 KR930003083B1 (ko) 1993-04-17

Family

ID=19302929

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900013482A 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030030247A (ko) * 2001-10-09 2003-04-18 현대자동차주식회사 직접 분사식 디젤엔진의 연소실 구조

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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
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
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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
JPH04272425A (ja) 1992-09-29
DE4118458A1 (de) 1992-03-05
KR930003083B1 (ko) 1993-04-17
US5158055A (en) 1992-10-27
DE4118458C2 (de) 1996-09-19

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