SE529496C2 - Tvåtaktsförbränningsmotor - Google Patents

Tvåtaktsförbränningsmotor

Info

Publication number
SE529496C2
SE529496C2 SE0602508A SE0602508A SE529496C2 SE 529496 C2 SE529496 C2 SE 529496C2 SE 0602508 A SE0602508 A SE 0602508A SE 0602508 A SE0602508 A SE 0602508A SE 529496 C2 SE529496 C2 SE 529496C2
Authority
SE
Sweden
Prior art keywords
air
chamber
crankcase
fuel
engine
Prior art date
Application number
SE0602508A
Other languages
English (en)
Swedish (sv)
Other versions
SE0602508L (sv
Inventor
Johan Bram
Original Assignee
Atlas Copco Constr Tools Ab
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 Atlas Copco Constr Tools Ab filed Critical Atlas Copco Constr Tools Ab
Priority to SE0602508A priority Critical patent/SE529496C2/sv
Publication of SE0602508L publication Critical patent/SE0602508L/xx
Publication of SE529496C2 publication Critical patent/SE529496C2/sv
Priority to EP11005021A priority patent/EP2369154A1/en
Priority to CN2007800393278A priority patent/CN101542087B/zh
Priority to US12/311,885 priority patent/US9371751B2/en
Priority to PCT/SE2007/001043 priority patent/WO2008066448A1/en
Priority to EP07852061A priority patent/EP2087218B1/en
Priority to JP2009539206A priority patent/JP5039790B2/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M3/00—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/08—Separating lubricant from air or fuel-air mixture before entry into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • 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
    • F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
    • F02B17/005—Engines characterised by means for effecting stratification of charge in cylinders having direct injection in the 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • F02B25/18—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall adjacent the inlet ports, e.g. by means of deflection rib on 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
    • 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • 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
    • F02F7/00—Casings, e.g. crankcases
    • F02F7/0021—Construction
    • F02F7/0036—Casings for two-stroke engines with scavenging conduits
    • 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
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
    • 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
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
SE0602508A 2006-11-27 2006-11-27 Tvåtaktsförbränningsmotor SE529496C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE0602508A SE529496C2 (sv) 2006-11-27 2006-11-27 Tvåtaktsförbränningsmotor
EP11005021A EP2369154A1 (en) 2006-11-27 2007-11-27 Two-stroke combustion engine
CN2007800393278A CN101542087B (zh) 2006-11-27 2007-11-27 二冲程内燃机
US12/311,885 US9371751B2 (en) 2006-11-27 2007-11-27 Two stroke combustion engine
PCT/SE2007/001043 WO2008066448A1 (en) 2006-11-27 2007-11-27 Two stroke combustion engine
EP07852061A EP2087218B1 (en) 2006-11-27 2007-11-27 Two stroke combustion engine
JP2009539206A JP5039790B2 (ja) 2006-11-27 2007-11-27 ２ストローク内燃エンジン

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0602508A SE529496C2 (sv) 2006-11-27 2006-11-27 Tvåtaktsförbränningsmotor

Publications (2)

Publication Number Publication Date
SE0602508L SE0602508L (sv) 2007-08-28
SE529496C2 true SE529496C2 (sv) 2007-08-28

Family

ID=38421141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0602508A SE529496C2 (sv) 2006-11-27 2006-11-27 Tvåtaktsförbränningsmotor

Country Status (6)

Country Link
US (1) US9371751B2 (enExample)
EP (2) EP2369154A1 (enExample)
JP (1) JP5039790B2 (enExample)
CN (1) CN101542087B (enExample)
SE (1) SE529496C2 (enExample)
WO (1) WO2008066448A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8256405B2 (en) * 2008-06-13 2012-09-04 Kohler Co. Breather assembly with standpipe for an internal combustion engine
US8251025B2 (en) * 2009-08-17 2012-08-28 Grail Engine Technologies, Inc. Two-stroke engine
US20130025564A1 (en) * 2011-07-28 2013-01-31 Electro-Motive Diesel, Inc. Oil separator for crankcase ventilation
EP2672082A1 (de) 2012-06-05 2013-12-11 Wärtsilä Schweiz AG Schmiermittelsammelvorrichtung
JP6265791B2 (ja) 2014-03-11 2018-01-24 本田技研工業株式会社 ユニフロー２ストロークエンジン
JP6293525B2 (ja) * 2014-03-11 2018-03-14 本田技研工業株式会社 ユニフロー２ストロークエンジン
JP6411755B2 (ja) * 2014-03-11 2018-10-24 本田技研工業株式会社 ユニフロー２ストロークエンジン
JP6255318B2 (ja) 2014-08-01 2017-12-27 本田技研工業株式会社 ユニフロー２ストロークエンジン

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1808384A (en) 1929-06-19 1931-06-02 Taneyhill John Two-cycle engine
GB733743A (en) * 1952-08-29 1955-07-20 American Brake Shoe Co Improvements in or relating to two-stroke-cycle internal combustion engines
JPS526415B2 (enExample) * 1972-12-08 1977-02-22
JPS54113718A (en) 1978-02-27 1979-09-05 Onishi Shigeru Twoocycle internal combustion engine employing active thermal atmosphere combustion
JPS5965556A (ja) 1982-10-07 1984-04-13 Nippon Clean Engine Res 内燃機関の掃気通路及び吸気通路
JPS59185820A (ja) * 1983-04-06 1984-10-22 Nippon Clean Engine Res 層状掃気二サイクル内燃機関
JPS59213919A (ja) * 1983-05-19 1984-12-03 Nippon Clean Engine Res 層状掃気二サイクル内燃機関
GB2130642B (en) 1982-10-09 1986-02-05 Nippon Clean Engine Res A stratified charge two-stroke internal-combustion engine
US4481910A (en) * 1983-12-29 1984-11-13 Brunswick Corporation Stratified-charge two-stroke cycle engine
JPS62113812A (ja) * 1985-11-12 1987-05-25 Toyota Motor Corp ２サイクル内燃機関
JPS62113809A (ja) * 1985-11-12 1987-05-25 Toyota Motor Corp ２サイクル内燃機関
DE3731250C1 (en) * 1987-09-17 1988-10-06 Zochev Donkov Dancho Dipl Ing Reciprocating piston internal combustion engine with crankcase charge air pumps
JPH01157215U (enExample) * 1988-04-22 1989-10-30
US5329913A (en) * 1991-03-26 1994-07-19 Yamaha Hatsudoki Kabushiki Kaisha Oil vapor separator system for the engine of a gas heat pump air conditioner
US5261380A (en) * 1992-07-15 1993-11-16 Ford Motor Company Crankcase ventilation system for automotive engine
US5542402A (en) * 1995-04-05 1996-08-06 Ford Motor Company Positive crankcase ventilation system with a centrifugal oil separator
WO1998034016A1 (en) 1997-02-03 1998-08-06 The Continuous-Cycle Engine Development Co. Limited Combustion chamber for engines
RO117278B1 (ro) * 2000-04-26 2001-12-28 Cristian Lungu Metoda si instalatie de supraalimentare a motorului cu ardere interna
CN1173111C (zh) * 2000-05-26 2004-10-27 陈维机 二冲程发动机
US6591794B2 (en) * 2000-10-24 2003-07-15 Zama Japan Air-fuel ratio control system for a stratified scavenging two-cycle engine
AT411091B (de) * 2000-11-30 2003-09-25 Kirchberger Roland Dipl Ing Viertakt-verbrennungsmotor
JP3923288B2 (ja) * 2001-08-06 2007-05-30 本田技研工業株式会社 エンジンの気液分離装置
JP4199465B2 (ja) * 2002-02-27 2008-12-17 トヨタ紡織株式会社 気液分離装置
JP4323203B2 (ja) * 2003-04-07 2009-09-02 愛知機械工業株式会社 内燃機関のブローバイガス還流装置
JP2004353512A (ja) * 2003-05-28 2004-12-16 Zama Japan Kk ２サイクルエンジン用気化器
JP4103047B2 (ja) * 2003-11-25 2008-06-18 トヨタ自動車株式会社 オイルセパレーター及びｐｃｖシステム
JP2006083809A (ja) * 2004-09-17 2006-03-30 Yamaha Motor Co Ltd エンジン駆動式乗り物用オイルタンク
CN100383365C (zh) * 2006-03-08 2008-04-23 无锡开普动力有限公司 四冲程发动机的曲轴箱换气结构

Also Published As

Publication number Publication date
EP2369154A1 (en) 2011-09-28
CN101542087B (zh) 2010-09-29
SE0602508L (sv) 2007-08-28
US9371751B2 (en) 2016-06-21
EP2087218B1 (en) 2012-07-11
US20100170485A1 (en) 2010-07-08
EP2087218A4 (en) 2011-01-12
JP2010511124A (ja) 2010-04-08
JP5039790B2 (ja) 2012-10-03
WO2008066448A1 (en) 2008-06-05
EP2087218A1 (en) 2009-08-12
CN101542087A (zh) 2009-09-23

Similar Documents

Publication Publication Date Title
US20200408138A1 (en) Systems and methods of forced air induction in internal combustion engines
US9371751B2 (en) Two stroke combustion engine
AU2005208895B2 (en) Apparatus for removing contaminants from crankcase emissions
US8240296B2 (en) Lubrication device for gas engine
EP1120560A3 (en) Small engine fuel injection system
CN101936242B (zh) 汽化器和具有汽化器的二冲程发动机
SE450511B (sv) Anordning vid en strypreglerad forbrenningsmotor med en overladdare
CN1096546C (zh) 二冲程内燃机
CN201043481Y (zh) 通用汽油机曲轴箱废气处理装置
JP2003328906A (ja) ２サイクルエンジンの運転方法と２サイクルエンジン
JP2004100696A (ja) 混合気吸込み型２サイクルエンジンの作動方法
CN1912373A (zh) 内燃机及其运行方法
US7428898B2 (en) Apparatus for removing contaminants from crankcase emissions
GB2147356A (en) Supercharging a motor vehicle I.C. engine
CN106437942A (zh) 持续新鲜空气曲轴箱通风
CN100455779C (zh) 用于进行空气清扫的sas活塞通道
US1219512A (en) Internal-combustion engine.
SE519358C2 (sv) Kompakt fyrtaktsförbränningsmotor
JPS58190509A (ja) タ−ボチヤ−ジヤ−付エンジンにおけるブロ−バイガス還元装置
JP5846059B2 (ja) エンジンのオイル分離装置
SE501024C2 (sv) Tvåtaktsförbränningsmotor
US20120060381A1 (en) Hand-Held Power Tool
KR0113237Y1 (ko) 자동차용 블로우 바이 가스 환원 장치
CN102192041A (zh) 手持工具用四冲程内燃机
GB2129873A (en) The scavenging of two-stroke internal combustion engines