ATE538294T1 - Überströmschlitze von zweitaktmotor - Google Patents

Überströmschlitze von zweitaktmotor

Info

Publication number
ATE538294T1
ATE538294T1 AT03774559T AT03774559T ATE538294T1 AT E538294 T1 ATE538294 T1 AT E538294T1 AT 03774559 T AT03774559 T AT 03774559T AT 03774559 T AT03774559 T AT 03774559T AT E538294 T1 ATE538294 T1 AT E538294T1
Authority
AT
Austria
Prior art keywords
exhaust port
cylinder
transfer ports
pair
degree
Prior art date
Application number
AT03774559T
Other languages
English (en)
Inventor
John Sheldon
Nagesh Mavinahally
Original Assignee
Techtronic Ind Co Ltd
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 Techtronic Ind Co Ltd filed Critical Techtronic Ind Co Ltd
Priority claimed from PCT/US2003/031470 external-priority patent/WO2004033869A2/en
Application granted granted Critical
Publication of ATE538294T1 publication Critical patent/ATE538294T1/de

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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
AT03774559T 2002-10-04 2003-10-06 Überströmschlitze von zweitaktmotor ATE538294T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/264,939 US20040065280A1 (en) 2002-10-04 2002-10-04 Two-stroke engine transfer ports
US10/452,079 US20040065281A1 (en) 2002-10-04 2003-05-30 Two-stroke engine transfer ports
PCT/US2003/031470 WO2004033869A2 (en) 2002-10-04 2003-10-06 Two-stroke engine transfer ports

Publications (1)

Publication Number Publication Date
ATE538294T1 true ATE538294T1 (de) 2012-01-15

Family

ID=32042365

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03774559T ATE538294T1 (de) 2002-10-04 2003-10-06 Überströmschlitze von zweitaktmotor

Country Status (4)

Country Link
US (3) US20040065280A1 (de)
EP (1) EP2428661A3 (de)
CN (1) CN100535406C (de)
AT (1) ATE538294T1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002365899B2 (en) * 2001-12-04 2007-09-13 Onyx Pharmaceuticals, Inc. RAF-MEK-ERK pathway inhibitors to treat cancer
US7146806B2 (en) * 2004-07-07 2006-12-12 Homelite Technologies, Ltd. Internal combustion engine cylinder and muffler assembly with catalytic converter
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
DE102005019520B4 (de) * 2005-04-27 2017-05-04 Andreas Stihl Ag & Co. Kg Zylinder für einen Zweitaktmotor
DE102008024763B4 (de) 2008-05-23 2019-07-11 Andreas Stihl Ag & Co. Kg Zylinder für einen Zweitaktmotor
JP2011027019A (ja) * 2009-07-24 2011-02-10 Yamabiko Corp ２サイクルエンジン
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 (46)

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DE964364C (de) * 1952-04-03 1957-05-23 Herbert J Venediger Dr Ing Zweitaktbrennkraftmaschine, insbesondere luftgekuehlte Dieselmaschine
US3131680A (en) * 1961-07-18 1964-05-05 Straza Ind Inc Two-stroke internal combustion engine
US3382857A (en) 1965-10-24 1968-05-14 Outboard Marine Corp Engine
JPS4867616A (de) 1971-12-17 1973-09-14
US4202298A (en) 1972-08-22 1980-05-13 Performance Industries, Inc. Fuel porting for two cycle internal combustion engine
JPS5840649B2 (ja) 1972-08-22 1983-09-07 パ−フオ−マンス インダストリイズ インコ−ポレ−テツド ベンソウチ
US4016850A (en) 1974-02-22 1977-04-12 Brunswick Corporation Ported cylinder construction for a two-cycle engine
JPS5443132A (en) 1977-09-12 1979-04-05 Honda Motor Co Ltd Processing of porttopeninggsurface of 2 cycle engine cylinder
JPS5813073Y2 (ja) 1979-03-28 1983-03-14 川崎重工業株式会社 ２サイクルエンジンの掃気装置
JPS5830091Y2 (ja) 1979-03-30 1983-07-02 川崎重工業株式会社 ２サイクルエンジンのマルチポ−トシリンダ−
JPS5647642A (en) 1979-09-27 1981-04-30 Yamaha Motor Co Ltd Two-cycle engine
US4395978A (en) 1980-03-24 1983-08-02 Performance Industries, Inc. Fuel porting for two-cycle internal combustion engine
DE3100851A1 (de) 1981-01-14 1982-08-12 Norbert Dipl.-Ing. 3014 Laatzen Kania "verfahren zur geraeuschminderung beim betrieb von schlitzgesteuerten zweitaktbrennkraftmaschinen, insbesondere fuer kettensaegen und zweitaktbrennkraftmaschinen zur durchfuehrung des verfahrens"
DE3233108A1 (de) 1982-09-07 1984-03-08 Norbert Dipl.-Ing. 3014 Laatzen Kania Schnellaufende, schlitzgesteuerte zweitakt-brennkraftmaschine mit kurbelkammerspuelung
CN85203399U (zh) * 1985-02-22 1986-07-02 皮亚乔公司 二冲程发动机的气缸
US4643140A (en) 1985-06-10 1987-02-17 Outboard Marine Corporation Two-cycle engine exhaust port
JPS6338611A (ja) 1986-08-01 1988-02-19 Sanshin Ind Co Ltd ２サイクルエンジン
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JPH04330329A (ja) 1991-04-30 1992-11-18 Sanshin Ind Co Ltd クランク室予圧縮式２サイクル内燃機関
JPH0658152A (ja) 1992-08-04 1994-03-01 Sanshin Ind Co Ltd ２サイクルエンジンにおける掃気ポート出口形状
JP2602803Y2 (ja) 1992-10-08 2000-01-31 株式会社共立 ２サイクルエンジンのシリンダ
JP2596204Y2 (ja) 1992-10-08 1999-06-07 株式会社共立 ２サイクルエンジンの燃焼室
CN1101099A (zh) * 1993-09-29 1995-04-05 张海燕 二冲程内燃机交叉环流扫气系统
US5490483A (en) * 1994-02-23 1996-02-13 Daihatsu Motor Co., Ltd. Two-cycle internal combustion engine
DE19512566C2 (de) * 1995-04-04 2000-05-18 Stihl Maschf Andreas Zweitaktmotor mit mehreren Überströmkanälen
SE504202C2 (sv) 1995-04-07 1996-12-09 Electrolux Ab Cylinder till en förbränningsmotor av tvåtaktstyp
AU704849B2 (en) * 1995-09-19 1999-05-06 Honda Giken Kogyo Kabushiki Kaisha Two-cycle internal combustion engine
JPH09242552A (ja) 1996-03-01 1997-09-16 Kioritz Corp ２サイクル内燃エンジン
JPH09280053A (ja) 1996-04-16 1997-10-28 Kioritz Corp ２サイクルエンジン
JPH09280057A (ja) 1996-04-16 1997-10-28 Kioritz Corp ２サイクルエンジン
JP3703924B2 (ja) 1996-11-22 2005-10-05 株式会社共立 ２サイクル内燃エンジン
US5992358A (en) 1997-03-17 1999-11-30 Yamaha Hatsudoki Kabushiki Kaisha Scavenge system for two cycle engines
US6079379A (en) 1998-04-23 2000-06-27 Design & Manufacturing Solutions, Inc. Pneumatically controlled compressed air assisted fuel injection system
US6223705B1 (en) * 1998-07-17 2001-05-01 Kioritz Corporation Two-stroke internal combustion engine
US6293235B1 (en) 1998-08-21 2001-09-25 Design & Manufacturing Solutions, Inc. Compressed air assisted fuel injection system with variable effective reflection length
US6273037B1 (en) 1998-08-21 2001-08-14 Design & Manufacturing Solutions, Inc. Compressed air assisted fuel injection system
US6298811B1 (en) 1998-09-29 2001-10-09 Komatsu Zenoah Co. Stratified scavenging two-cycle engine
US6367432B1 (en) * 1999-05-14 2002-04-09 Kioritz Corporation Two-stroke cycle internal combustion engine
US6591793B2 (en) * 1999-11-12 2003-07-15 Maruyama Mfg. Co., Inc. Two-cycle engine
US6382176B1 (en) 2000-06-07 2002-05-07 Design & Manufacturing Solutions, Inc. Method for injecting and combusting fuel with a piston head having a top surface recess
DE10064719B4 (de) * 2000-12-22 2013-12-12 Andreas Stihl Ag & Co. Zweitaktmotor mit Ladungsschichtung
JP4082868B2 (ja) * 2001-02-05 2008-04-30 株式会社共立 ２サイクル内燃エンジン

Also Published As

Publication number Publication date
US7100550B2 (en) 2006-09-05
EP2428661A3 (de) 2013-05-29
US20040065281A1 (en) 2004-04-08
EP2428661A2 (de) 2012-03-14
CN1703572A (zh) 2005-11-30
US20040065280A1 (en) 2004-04-08
CN100535406C (zh) 2009-09-02
US20040244739A1 (en) 2004-12-09

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