JP5478272B2 - ２ストローク内燃エンジン及びその掃気方法 - Google Patents

２ストローク内燃エンジン及びその掃気方法 Download PDF

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Publication number
JP5478272B2
JP5478272B2 JP2010012551A JP2010012551A JP5478272B2 JP 5478272 B2 JP5478272 B2 JP 5478272B2 JP 2010012551 A JP2010012551 A JP 2010012551A JP 2010012551 A JP2010012551 A JP 2010012551A JP 5478272 B2 JP5478272 B2 JP 5478272B2
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JP
Japan
Prior art keywords
air
piston
fuel mixture
scavenging
passage
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
Application number
JP2010012551A
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English (en)
Japanese (ja)
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JP2011149375A5 (enExample
JP2011149375A (ja
Inventor
地宗 河村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamabiko Corp
Original Assignee
Yamabiko Corp
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 Yamabiko Corp filed Critical Yamabiko Corp
Priority to JP2010012551A priority Critical patent/JP5478272B2/ja
Priority to US13/010,860 priority patent/US8746192B2/en
Priority to EP11151661.3A priority patent/EP2348208B1/en
Publication of JP2011149375A publication Critical patent/JP2011149375A/ja
Publication of JP2011149375A5 publication Critical patent/JP2011149375A5/ja
Application granted granted Critical
Publication of JP5478272B2 publication Critical patent/JP5478272B2/ja
Expired - Fee Related legal-status Critical Current
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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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • F02B25/22—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18 by forming air cushion between charge and combustion residues
    • 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
    • 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 
    • F02F3/24—Pistons  having means for guiding gases in cylinders, e.g. for guiding scavenging charge in two-stroke engines
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Supercharger (AREA)
JP2010012551A 2010-01-22 2010-01-22 ２ストローク内燃エンジン及びその掃気方法 Expired - Fee Related JP5478272B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010012551A JP5478272B2 (ja) 2010-01-22 2010-01-22 ２ストローク内燃エンジン及びその掃気方法
US13/010,860 US8746192B2 (en) 2010-01-22 2011-01-21 Two-stroke internal combustion engine and its scavenging method
EP11151661.3A EP2348208B1 (en) 2010-01-22 2011-01-21 Two-stroke internal combustion engine and its scavenging method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010012551A JP5478272B2 (ja) 2010-01-22 2010-01-22 ２ストローク内燃エンジン及びその掃気方法

Publications (3)

Publication Number Publication Date
JP2011149375A JP2011149375A (ja) 2011-08-04
JP2011149375A5 JP2011149375A5 (enExample) 2013-05-09
JP5478272B2 true JP5478272B2 (ja) 2014-04-23

Family

ID=43772280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010012551A Expired - Fee Related JP5478272B2 (ja) 2010-01-22 2010-01-22 ２ストローク内燃エンジン及びその掃気方法

Country Status (3)

Country Link
US (1) US8746192B2 (enExample)
EP (1) EP2348208B1 (enExample)
JP (1) JP5478272B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20164358A1 (it) * 2016-06-14 2017-12-14 Emak Spa Motore a combustione interna due tempi
CN111810313A (zh) * 2020-06-02 2020-10-23 浙江派尼尔科技股份有限公司 一种分层扫气活塞
CN113107662A (zh) * 2021-05-08 2021-07-13 永康市茂金园林机械有限公司 一种用于分层扫气二冲程发动机的汽缸活塞单元

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69820443T2 (de) 1997-06-11 2004-10-07 Komatsu Zenoa Kk Schichtspülung für zweitaktmotoren
JPH1182081A (ja) * 1997-08-29 1999-03-26 Masatoshi Hirano 内燃機関
US6257179B1 (en) 1999-04-28 2001-07-10 Mitsubishi Heavy Industries, Ltd. Two-stroke cycle engine
JP4153643B2 (ja) 1999-04-28 2008-09-24 三菱重工業株式会社 層状掃気２サイクルエンジン及びディスクバルブ装置
JP2001239463A (ja) 2000-02-25 2001-09-04 Xebec Technology Co Ltd ラッピング材
US6418891B2 (en) 2000-03-13 2002-07-16 Walbro Japan, Inc. Internal combustion engine
JP2001323816A (ja) * 2000-05-16 2001-11-22 Kioritz Corp ２サイクル内燃エンジン
JP2001355450A (ja) 2000-06-12 2001-12-26 Walbro Japan Inc 層状掃気２行程内燃機関
US6591794B2 (en) 2000-10-24 2003-07-15 Zama Japan Air-fuel ratio control system for a stratified scavenging two-cycle engine
DE10064719B4 (de) * 2000-12-22 2013-12-12 Andreas Stihl Ag & Co. Zweitaktmotor mit Ladungsschichtung
AUPR283501A0 (en) 2001-02-01 2001-02-22 Notaras, John Arthur Internal combustion engine
JP3616339B2 (ja) * 2001-02-01 2005-02-02 株式会社共立 ２サイクル内燃エンジン
DE10301732B4 (de) * 2003-01-18 2020-01-30 Andreas Stihl Ag & Co. Kg Zweitaktmotor und Verfahren zu dessen Betrieb
DE10341230B4 (de) * 2003-09-08 2022-10-13 Andreas Stihl Ag & Co. Kg Ansaugvorrichtung
US7093570B2 (en) * 2003-12-31 2006-08-22 Nagesh S Mavinahally Stratified scavenged two-stroke engine
JP4317086B2 (ja) * 2004-07-08 2009-08-19 川崎重工業株式会社 減圧装置を備えた空気掃気型エンジン
US7331315B2 (en) * 2005-02-23 2008-02-19 Eastway Fair Company Limited Two-stroke engine with fuel injection
US20060243230A1 (en) 2005-03-23 2006-11-02 Mavinahally Nagesh S Two-stroke engine
US7325791B2 (en) 2005-09-15 2008-02-05 Zama Japan Co., Ltd. Carburetor for stratified scavenging two-cycle engine
JP2007239463A (ja) 2006-03-03 2007-09-20 Komatsu Zenoah Co ２サイクルエンジン
JP5236368B2 (ja) 2008-07-03 2013-07-17 ファナック株式会社 単一電源を備えたワイヤ放電加工機

Also Published As

Publication number Publication date
US20110180054A1 (en) 2011-07-28
EP2348208A2 (en) 2011-07-27
EP2348208A3 (en) 2012-08-22
US8746192B2 (en) 2014-06-10
EP2348208B1 (en) 2014-11-12
JP2011149375A (ja) 2011-08-04

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