DE69916211D1 - Zweitaktmotor mit geschichteter Spülung - Google Patents

Zweitaktmotor mit geschichteter Spülung

Info

Publication number
DE69916211D1
DE69916211D1 DE69916211T DE69916211T DE69916211D1 DE 69916211 D1 DE69916211 D1 DE 69916211D1 DE 69916211 T DE69916211 T DE 69916211T DE 69916211 T DE69916211 T DE 69916211T DE 69916211 D1 DE69916211 D1 DE 69916211D1
Authority
DE
Germany
Prior art keywords
stratified
rinse
stroke engine
stroke
engine
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 - Lifetime
Application number
DE69916211T
Other languages
English (en)
Other versions
DE69916211T3 (de
DE69916211T2 (de
Inventor
Toshiharu Sawada
Hiroshi Kato
Takeshi Watanabe
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.)
Husqvarna Zenoah Co Ltd
Original Assignee
Komatsu Zenoah Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18166127&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69916211(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Komatsu Zenoah Co filed Critical Komatsu Zenoah Co
Application granted granted Critical
Publication of DE69916211D1 publication Critical patent/DE69916211D1/de
Publication of DE69916211T2 publication Critical patent/DE69916211T2/de
Publication of DE69916211T3 publication Critical patent/DE69916211T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • 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
    • 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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Massaging Devices (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
DE69916211T 1998-10-30 1999-01-21 Zweitaktmotor mit geschichteter Spülung Expired - Lifetime DE69916211T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32446598A JP3153520B2 (ja) 1998-10-30 1998-10-30 層状掃気２サイクルエンジン
JP32446598 1998-10-30

Publications (3)

Publication Number Publication Date
DE69916211D1 true DE69916211D1 (de) 2004-05-13
DE69916211T2 DE69916211T2 (de) 2005-03-10
DE69916211T3 DE69916211T3 (de) 2008-08-21

Family

ID=18166127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69916211T Expired - Lifetime DE69916211T3 (de) 1998-10-30 1999-01-21 Zweitaktmotor mit geschichteter Spülung

Country Status (4)

Country Link
US (1) US6112708A (de)
EP (1) EP0997621B2 (de)
JP (1) JP3153520B2 (de)
DE (1) DE69916211T3 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6298811B1 (en) * 1998-09-29 2001-10-09 Komatsu Zenoah Co. Stratified scavenging two-cycle engine
US7082910B2 (en) 1999-01-19 2006-08-01 Aktiebolaget Electrolux Two-stroke internal combustion engine
SE513446C2 (sv) 1999-01-19 2000-09-11 Electrolux Ab Vevhusspolad förbränningsmotor av tvåtaktstyp
US6367432B1 (en) * 1999-05-14 2002-04-09 Kioritz Corporation Two-stroke cycle internal combustion engine
EP1248901B1 (de) 2000-01-14 2005-12-21 Aktiebolaget Electrolux Zweitaktbrennkraftmaschine
SE0000095L (sv) 2000-01-14 2001-07-15 Electrolux Ab Spjäll för reglering av tillsatsluft till tvåtakts förbränningsmotorer
JP2003519748A (ja) 2000-01-14 2003-06-24 アクティエボラゲット エレクトロラックス ２ストローク内燃機関
DE60025354T2 (de) 2000-04-27 2006-09-28 Aktiebolaget Electrolux Zweitaktbrennkraftmaschine
US6397795B2 (en) 2000-06-23 2002-06-04 Nicholas S. Hare Engine with dry sump lubrication, separated scavenging and charging air flows and variable exhaust port timing
DE20020655U1 (de) 2000-12-06 2001-02-22 Dolmar Gmbh Zweitaktmotor mit Frischgasvorlage und Flansch für einen Zweitaktmotor
SE518916C2 (sv) * 2001-04-11 2002-12-03 Electrolux Ab Anordning vid en förbränningsmotor
DE10128195B4 (de) * 2001-06-11 2013-01-17 Andreas Stihl Ag & Co. Zweitaktmotor mit Speicherkanal
US6564760B2 (en) 2001-09-20 2003-05-20 Imack Laydera-Collins Stratified scavenging two-cycle internal combustion engine
US6644263B2 (en) 2001-12-04 2003-11-11 Nicholas S. Hare Engine with dry sump lubrication
DE10160539B4 (de) * 2001-12-10 2017-06-08 Andreas Stihl Ag & Co. Zweitaktmotor mit Spülvorlage und einflutigem Vergaser
DE10222346B4 (de) * 2002-05-21 2013-10-17 Andreas Stihl Ag & Co. Harter Verbindungskanal
US6928996B2 (en) * 2002-07-03 2005-08-16 Walbro Japan, Inc. Stratified scavenging mechanism of a two-stroke engine
US6901892B2 (en) * 2002-08-03 2005-06-07 Nagesh S. Mavinahally Two stroke engine with rotatably modulated gas passage
US6708958B1 (en) 2002-10-04 2004-03-23 Electrolux Home Products, Inc. Air valve mechanism for two-cycle engine
CN100371571C (zh) * 2002-12-20 2008-02-27 株式会社赛诺尔 分层换气的二冲程发动机的引入空气控制装置
DE10312096B4 (de) * 2003-03-19 2014-01-16 Andreas Stihl Ag & Co. Kg Zweitaktmotor
JP4061252B2 (ja) * 2003-08-11 2008-03-12 ザマ・ジャパン株式会社 ２サイクルエンジン用気化器
US7093570B2 (en) * 2003-12-31 2006-08-22 Nagesh S Mavinahally Stratified scavenged two-stroke engine
JP4342960B2 (ja) 2004-01-16 2009-10-14 川崎重工業株式会社 ２サイクルエンジン
US6973899B2 (en) * 2004-02-23 2005-12-13 Electrolux Home Products, Inc. Stratified air scavenged two-cycle engine with air flow
US7389754B2 (en) 2004-06-15 2008-06-24 Husqvarna Ab System for a two-stroke crankcase scavenged combustion engine
DE602004024251D1 (de) * 2004-06-15 2009-12-31 Husqvarna Ab System für einen zweitakt-verbrennungsmotor mit gesteuerter zusatzluft
US7104253B1 (en) 2005-03-30 2006-09-12 Walbro Engine Management, L.L.C. Stratified scavenging carburetor
US20070079591A1 (en) * 2005-10-10 2007-04-12 Lien Douglas E Aquatic vegetation groomer
DE102006001570B4 (de) * 2006-01-12 2012-02-23 Andreas Stihl Ag & Co. Kg Arbeitsgerät
DE102006001567B4 (de) * 2006-01-12 2007-11-29 Andreas Stihl Ag & Co. Kg Arbeitsgerät
JP2007185894A (ja) * 2006-01-13 2007-07-26 Komatsu Zenoah Co チェーンソー
JP2007185893A (ja) * 2006-01-13 2007-07-26 Komatsu Zenoah Co チェーンソー
JP4762191B2 (ja) * 2007-04-13 2011-08-31 株式会社やまびこ ２サイクル内燃エンジン用エアクリーナ
JP2009185695A (ja) * 2008-02-06 2009-08-20 Walbro Japan Inc 層状掃気用気化器
JP5146912B2 (ja) * 2008-05-23 2013-02-20 日立工機株式会社 チェーンソー
US8794196B2 (en) * 2008-10-06 2014-08-05 Husqvarna Zenoah Co., Ltd. Chain saw
US20100083512A1 (en) * 2008-10-06 2010-04-08 Husqvarna Zenoah Co., Ltd. Chain saw
US8534268B2 (en) * 2009-09-14 2013-09-17 Nagesh Mavinahally Two-stroke engine
JP5594026B2 (ja) * 2010-09-30 2014-09-24 日立工機株式会社 ２サイクルエンジンおよびそれを備えたエンジン作業機
US20120247442A1 (en) 2011-04-03 2012-10-04 Mavinahally Nagesh S Stratified two-stroke engine
JP6035197B2 (ja) 2013-04-30 2016-11-30 株式会社マキタ 層状掃気２ストロークエンジン
US9856819B2 (en) 2014-02-02 2018-01-02 Nagesh Siddabasappa Mavinahally Piston and cylinder for two-stroke engine
JP6165666B2 (ja) * 2014-04-14 2017-07-19 株式会社マキタ 携帯型作業機のキャブレタ取付け構造及び取付け方法
CN104314682A (zh) * 2014-09-03 2015-01-28 上海山科园林工具有限公司 一种二冲程分层扫气汽油发动机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431605A1 (fr) * 1978-07-19 1980-02-15 Jaulmes Eric Perfectionnement aux moteurs a deux temps a combustion interne
FR2470859A1 (fr) * 1979-12-03 1981-06-12 Offenstadt Eric Moteur a deux temps
JPS585423A (ja) * 1981-06-30 1983-01-12 Nippon Clean Engine Res クランク室圧縮２サイクル内燃機関
JPS585424A (ja) * 1981-07-02 1983-01-12 Nippon Clean Engine Res クランク室圧縮２サイクル内燃機関
JPS60111019A (ja) * 1983-11-19 1985-06-17 Nippon Clean Engine Res ２サイクル内燃機関
JPS62113824A (ja) * 1985-11-13 1987-05-25 Nippon Clean Engine Res 先行空気掃気を行なう２サイクル内燃機関の給掃気方式
AT394755B (de) † 1986-07-08 1992-06-25 Bombardier Rotax Gmbh Zweitakt-brennkraftmaschine mit einer kurbelkastenspuelung
US4777913A (en) * 1987-06-09 1988-10-18 Brunswick Corporation Auxiliary fuel supply system
GB2220031B (en) * 1988-06-25 1992-07-01 T & N Technology Ltd Pistons
GB9412181D0 (en) * 1994-06-17 1994-08-10 Ricardo Consulting Eng Crankcase scavenged two-stroke engines
JPH09268917A (ja) 1996-04-03 1997-10-14 Komatsu Zenoah Co ２行程内燃機関用気化器
JP3934198B2 (ja) † 1997-03-10 2007-06-20 日本ウォルブロー株式会社 ２行程内燃機関用気化器

Also Published As

Publication number Publication date
JP2000136755A (ja) 2000-05-16
JP3153520B2 (ja) 2001-04-09
EP0997621A1 (de) 2000-05-03
DE69916211T3 (de) 2008-08-21
EP0997621B2 (de) 2008-02-27
DE69916211T2 (de) 2005-03-10
EP0997621B1 (de) 2004-04-07
US6112708A (en) 2000-09-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: ZENOAH CO., LTD., KAWAGOE, SAITAMA, JP

8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: HUSQVARNA ZENOAH CO., LTD., KAWAGOE, SAITAMA, JP