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WO2009075054A1 - レシプロエンジン - Google Patents

レシプロエンジン Download PDF

Info

Publication number
WO2009075054A1
WO2009075054A1 PCT/JP2008/003180 JP2008003180W WO2009075054A1 WO 2009075054 A1 WO2009075054 A1 WO 2009075054A1 JP 2008003180 W JP2008003180 W JP 2008003180W WO 2009075054 A1 WO2009075054 A1 WO 2009075054A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion chamber
reciprocal engine
combustion
internal pressure
homogeneous charge
Prior art date
Application number
PCT/JP2008/003180
Other languages
English (en)
French (fr)
Inventor
Yoichi Marutani
Mamoru Kurashina
Original Assignee
Ihi Corporation
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 Ihi Corporation filed Critical Ihi Corporation
Publication of WO2009075054A1 publication Critical patent/WO2009075054A1/ja

Links

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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/044—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of an adjustable piston length
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
    • 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

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

　本発明は、予混合圧縮着火方式を採用し高圧噴射にて初期の燃焼を活発化させることにより、パティキュレートを低減し、且つシリンダ２の燃焼室４内圧が設定圧を超えて上昇した際に燃焼室４容積を拡張可能な筒内圧上昇緩和手段１１をピストン３に具備することにより、燃焼初期の燃焼室内圧の急激な上昇を抑制して火炎温度を下げ、ＮＯxの低減並びにノッキングの発生防止を図り、これまで低負荷時にのみ限定されていた予混合圧縮着火の使用範囲を拡張するようにしたレシプロエンジンである。
PCT/JP2008/003180 2007-12-13 2008-11-05 レシプロエンジン WO2009075054A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007322313A JP2009144595A (ja) 2007-12-13 2007-12-13 レシプロエンジン
JP2007-322313 2007-12-13

Publications (1)

Publication Number Publication Date
WO2009075054A1 true WO2009075054A1 (ja) 2009-06-18

Family

ID=40755304

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003180 WO2009075054A1 (ja) 2007-12-13 2008-11-05 レシプロエンジン

Country Status (2)

Country Link
JP (1) JP2009144595A (ja)
WO (1) WO2009075054A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011220246A (ja) * 2010-04-09 2011-11-04 Hatamura Engine Research Office エンジンの燃焼制御装置
CN103270283B (zh) * 2010-12-27 2016-06-01 三菱自动车工业株式会社 活塞

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617665A (ja) * 1991-03-28 1994-01-25 Masayuki Kiyono 燃焼圧力を一定に保つピストン
JPH0921350A (ja) * 1995-07-06 1997-01-21 Nissan Diesel Motor Co Ltd 内燃機関用ピストン
JP2001193510A (ja) * 2000-01-07 2001-07-17 Osaka Gas Co Ltd ピストン及びそれを備えたエンジン

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617665A (ja) * 1991-03-28 1994-01-25 Masayuki Kiyono 燃焼圧力を一定に保つピストン
JPH0921350A (ja) * 1995-07-06 1997-01-21 Nissan Diesel Motor Co Ltd 内燃機関用ピストン
JP2001193510A (ja) * 2000-01-07 2001-07-17 Osaka Gas Co Ltd ピストン及びそれを備えたエンジン

Also Published As

Publication number Publication date
JP2009144595A (ja) 2009-07-02

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