DE60025354D1 - Zweitaktbrennkraftmaschine - Google Patents

Zweitaktbrennkraftmaschine

Info

Publication number
DE60025354D1
DE60025354D1 DE60025354T DE60025354T DE60025354D1 DE 60025354 D1 DE60025354 D1 DE 60025354D1 DE 60025354 T DE60025354 T DE 60025354T DE 60025354 T DE60025354 T DE 60025354T DE 60025354 D1 DE60025354 D1 DE 60025354D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
stroke internal
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
DE60025354T
Other languages
English (en)
Other versions
DE60025354T2 (de
Inventor
Lars Andersson
Mikael Bergman
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 AB
Original Assignee
Electrolux 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 Electrolux AB filed Critical Electrolux AB
Publication of DE60025354D1 publication Critical patent/DE60025354D1/de
Application granted granted Critical
Publication of DE60025354T2 publication Critical patent/DE60025354T2/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
    • 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
    • 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
    • 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
    • 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)
DE60025354T 2000-04-27 2000-04-27 Zweitaktbrennkraftmaschine Expired - Lifetime DE60025354T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2000/000789 WO2001081739A1 (en) 2000-04-27 2000-04-27 Two-stroke internal combustion engine

Publications (2)

Publication Number Publication Date
DE60025354D1 true DE60025354D1 (de) 2006-03-30
DE60025354T2 DE60025354T2 (de) 2006-09-28

Family

ID=20278755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025354T Expired - Lifetime DE60025354T2 (de) 2000-04-27 2000-04-27 Zweitaktbrennkraftmaschine

Country Status (7)

Country Link
US (1) US6718917B2 (de)
EP (1) EP1282763B1 (de)
JP (1) JP4515688B2 (de)
CN (1) CN100386511C (de)
AU (1) AU2000254332A1 (de)
DE (1) DE60025354T2 (de)
WO (1) WO2001081739A1 (de)

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* Cited by examiner, † Cited by third party
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DE10218200B4 (de) * 2002-04-24 2013-05-16 Andreas Stihl Ag & Co. Zweitaktmotor
DE10312092B4 (de) * 2002-05-24 2013-10-10 Andreas Stihl Ag & Co. Kg Zweitaktmotor
JP4185822B2 (ja) * 2003-06-25 2008-11-26 株式会社共立 内燃エンジン用シリンダの製造方法
CN100491708C (zh) * 2004-07-16 2009-05-27 哈斯科瓦那股份公司 具有附加空气供应的曲轴箱扫气式双冲程内燃机
DE102005002013B4 (de) * 2005-01-15 2016-05-12 Andreas Stihl Ag & Co. Kg Zweitaktmotor
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
JP4585920B2 (ja) * 2005-06-07 2010-11-24 株式会社やまびこ ２サイクル内燃エンジン
JP4606966B2 (ja) * 2005-08-05 2011-01-05 株式会社やまびこ 層状掃気２サイクル内燃エンジン
DE102007026121B4 (de) * 2007-06-05 2019-10-17 Andreas Stihl Ag & Co. Kg Verbrennungsmotor und Verfahren zu dessen Betrieb
EP2414665B1 (de) * 2009-03-31 2014-04-23 Husqvarna AB Zweitaktverbrennungsmotor
DE102009059145A1 (de) * 2009-12-19 2011-06-22 Andreas Stihl AG & Co. KG, 71336 Verbrennungsmotor
DE102009059143B4 (de) * 2009-12-19 2020-01-23 Andreas Stihl Ag & Co. Kg Zweitaktmotor und Sandkern zur Herstellung eines Zweitaktmotors
DE102010045017B4 (de) * 2010-09-10 2020-08-06 Andreas Stihl Ag & Co. Kg Zweitaktmotor
DE102010045016B4 (de) * 2010-09-10 2020-12-31 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
CN103046998B (zh) * 2011-10-17 2015-10-21 浙江派尼尔机电有限公司 废气扫气发动机
WO2013077784A1 (en) * 2011-11-22 2013-05-30 Husqvarna Ab A crankcase-scavenged two-stroke internal combustion engine having an automatic decompression valve
JP5891059B2 (ja) * 2012-02-10 2016-03-22 株式会社マキタ ２ストロークエンジン
JP2014047690A (ja) * 2012-08-30 2014-03-17 Hitachi Koki Co Ltd エンジン及びエンジン作業機
WO2014111142A1 (en) 2013-01-16 2014-07-24 Husqvarna Ab A combined decompression and priming valve for an internal combustion engine, and an engine provided with the valve
JP6042767B2 (ja) * 2013-04-30 2016-12-14 株式会社マキタ 層状掃気２ストロークエンジン
JP6425240B2 (ja) * 2014-10-07 2018-11-21 株式会社やまびこ 空気先導型層状掃気式２サイクル内燃エンジン
US9938926B2 (en) 2014-10-07 2018-04-10 Yamabiko Corporation Air leading-type stratified scavenging two-stroke internal-combustion engine
JP6411159B2 (ja) * 2014-10-07 2018-10-24 株式会社やまびこ 空気先導型層状掃気式２サイクル内燃エンジン
JP6276724B2 (ja) * 2015-03-02 2018-02-07 株式会社丸山製作所 ２サイクルエンジン
DE102015006976A1 (de) * 2015-06-01 2016-12-01 Man Truck & Bus Ag Magerbetrieb im Leerlauf zur Partikelzahlreduzierung
JP6179557B2 (ja) * 2015-06-11 2017-08-16 トヨタ自動車株式会社 リークテスト方法及びリークテスト装置
JP2023013223A (ja) 2021-07-15 2023-01-26 株式会社やまびこ ２ストロークエンジン

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US5379732A (en) 1993-11-12 1995-01-10 Mavinahally; Nagesh S. Continuously variable volume scavenging passage for two-stroke engines
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SE504202C2 (sv) 1995-04-07 1996-12-09 Electrolux Ab Cylinder till en förbränningsmotor av tvåtaktstyp
DE29513019U1 (de) 1995-08-12 1995-10-19 Fa. Andreas Stihl, 71336 Waiblingen Verbrennungsmotor für ein handgeführtes Arbeitsgerät
JPH10121975A (ja) 1996-10-17 1998-05-12 Sekiyu Sangyo Kasseika Center 層状掃気２サイクルエンジン
JP3024072B2 (ja) * 1996-10-17 2000-03-21 財団法人石油産業活性化センター 層状掃気２サイクルエンジン
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US5857450A (en) 1997-06-24 1999-01-12 Brunswick Corporation Low emission two cycle engine using two segment piston
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JP3723691B2 (ja) 1998-12-03 2005-12-07 小松ゼノア株式会社 層状掃気式エンジンのエアクリーナ
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SE513446C2 (sv) * 1999-01-19 2000-09-11 Electrolux Ab Vevhusspolad förbränningsmotor av tvåtaktstyp
EP1176296B1 (de) 1999-04-23 2009-06-17 Husqvarna Zenoah Co., Ltd. Zweitaktmotor mit schichtspülung
JP2000320338A (ja) * 1999-05-14 2000-11-21 Kioritz Corp ２サイクル内燃エンジン
JP2000328945A (ja) 1999-05-21 2000-11-28 Komatsu Zenoah Co 層状掃気２サイクルエンジンの先導空気制御装置
JP3781919B2 (ja) 1999-05-27 2006-06-07 小松ゼノア株式会社 層状掃気２サイクルエンジン
JP2001098934A (ja) 1999-10-04 2001-04-10 Komatsu Zenoah Co 触媒付層状掃気２サイクルエンジン
WO2001044634A1 (fr) 1999-12-15 2001-06-21 Komatsu Zenoah Co. Moteur deux temps de balayage stratifie a pistons

Also Published As

Publication number Publication date
WO2001081739A1 (en) 2001-11-01
EP1282763B1 (de) 2006-01-04
CN1452688A (zh) 2003-10-29
AU2000254332A1 (en) 2001-11-07
JP2003531995A (ja) 2003-10-28
US6718917B2 (en) 2004-04-13
CN100386511C (zh) 2008-05-07
DE60025354T2 (de) 2006-09-28
US20030029398A1 (en) 2003-02-13
EP1282763A1 (de) 2003-02-12
JP4515688B2 (ja) 2010-08-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HUSQVARNA AB, HUSKVARNA, SE