DE69902981D1 - Zylinder für eine Zweitaktmaschine mit schichtgeladener Spülung - Google Patents

Zylinder für eine Zweitaktmaschine mit schichtgeladener Spülung

Info

Publication number
DE69902981D1
DE69902981D1 DE69902981T DE69902981T DE69902981D1 DE 69902981 D1 DE69902981 D1 DE 69902981D1 DE 69902981 T DE69902981 T DE 69902981T DE 69902981 T DE69902981 T DE 69902981T DE 69902981 D1 DE69902981 D1 DE 69902981D1
Authority
DE
Germany
Prior art keywords
stratified
flushing
cylinder
stroke machine
stroke
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
DE69902981T
Other languages
English (en)
Other versions
DE69902981T2 (de
DE69902981T3 (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=18166146&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69902981(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
Publication of DE69902981D1 publication Critical patent/DE69902981D1/de
Publication of DE69902981T2 publication Critical patent/DE69902981T2/de
Application granted granted Critical
Publication of DE69902981T3 publication Critical patent/DE69902981T3/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
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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)
DE69902981T 1998-10-30 1999-01-15 Zylinder für eine Zweitaktmaschine mit schichtgeladener Spülung Expired - Lifetime DE69902981T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10324467A JP3040758B1 (ja) 1998-10-30 1998-10-30 層状掃気２サイクルエンジンのシリンダ
JP32446798 1998-10-30

Publications (3)

Publication Number Publication Date
DE69902981D1 true DE69902981D1 (de) 2002-10-24
DE69902981T2 DE69902981T2 (de) 2003-01-23
DE69902981T3 DE69902981T3 (de) 2006-08-24

Family

ID=18166146

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69902981T Expired - Lifetime DE69902981T3 (de) 1998-10-30 1999-01-15 Zylinder für eine Zweitaktmaschine mit schichtgeladener Spülung

Country Status (4)

Country Link
US (1) US6152093A (de)
EP (1) EP0997620B2 (de)
JP (1) JP3040758B1 (de)
DE (1) DE69902981T3 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE513446C2 (sv) 1999-01-19 2000-09-11 Electrolux Ab Vevhusspolad förbränningsmotor av tvåtaktstyp
US7082910B2 (en) 1999-01-19 2006-08-01 Aktiebolaget Electrolux Two-stroke internal combustion engine
CA2395708A1 (en) 2000-01-14 2001-07-19 Bo Carlsson Two-stroke internal combustion engine
EP1247009B1 (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
DE10009793A1 (de) * 2000-03-01 2001-09-06 Stihl Maschf Andreas Zweitaktmotor mit einstellbarem Ladungsprinzip
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
JP2002054443A (ja) 2000-08-14 2002-02-20 Kioritz Corp ２サイクル内燃エンジン
DE10044023A1 (de) * 2000-09-06 2002-03-14 Stihl Maschf Andreas Zweitaktmotor mit Luftspülung
US6460493B2 (en) 2000-12-28 2002-10-08 The United States Of America As Represented By The Secretary Of The Air Force Uniflow scavenging microengine
US6564759B2 (en) * 2001-08-28 2003-05-20 Homelite Technologies, Inc. Injection port for internal combustion engine
US6564760B2 (en) 2001-09-20 2003-05-20 Imack Laydera-Collins Stratified scavenging two-cycle internal combustion engine
DE10158397B4 (de) * 2001-11-28 2014-11-06 Andreas Stihl Ag & Co. Verfahren zur Herstellung eines Zylinders in einem Zweitaktmotor
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
US6708958B1 (en) 2002-10-04 2004-03-23 Electrolux Home Products, Inc. Air valve mechanism for two-cycle engine
US6848399B2 (en) * 2003-05-30 2005-02-01 Electrolux Home Products, Inc. Scavenging insert for an engine
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
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
US6973899B2 (en) * 2004-02-23 2005-12-13 Electrolux Home Products, Inc. Stratified air scavenged two-cycle engine with air flow
US20110061637A1 (en) * 2009-09-14 2011-03-17 Nagesh Mavinahally Fuel System
CN103032151A (zh) * 2011-09-29 2013-04-10 浙江派尼尔机电有限公司 一种补气扫气发动机
CN103061861B (zh) * 2012-11-25 2015-04-22 宁波大叶园林设备有限公司 带扫气道口斜楔紊流回窜片降低排放的二冲程汽油发动机
CN115263528B (zh) * 2022-07-01 2024-05-10 长沙光华航空科技有限公司 一种发动机驱气结构及发动机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE653500C (de) * 1936-05-21 1937-11-25 Auto Union A G Mehrzylindrige schlitzgesteuerte Zweitaktbrennkraftmaschine
GB1285471A (en) * 1969-02-04 1972-08-16 Frank Davison Improvements in two-stroke internal combustion engines for chainsaws
US3881454A (en) * 1972-10-16 1975-05-06 Motobecane Ateliers Two stroke engine construction
US4026254A (en) * 1975-05-22 1977-05-31 Outboard Marine Corporation Two stroke internal combustion engine and method of operation thereof
US4294202A (en) * 1978-09-12 1981-10-13 Performance Industries, Inc. Fuel porting for two cycle internal combustion engine
US4306522A (en) * 1980-06-19 1981-12-22 Briggs & Stratton Corporation Transfer port duct for two-stroke engines
JPS59153950A (ja) * 1983-02-18 1984-09-01 Nippon Clean Engine Res ２サイクル機関の掃気孔形成方法
JPS6418813A (en) 1987-07-14 1989-01-23 Fujitsu Ltd Automatic power supply control system
JPH0696185A (ja) 1992-09-17 1994-04-08 Nippon Telegr & Teleph Corp <Ntt> 画像のブラウジング表示処理方法
JPH06193451A (ja) * 1992-12-22 1994-07-12 Yamaha Motor Co Ltd ２サイクルエンジン
JPH09217628A (ja) * 1996-02-13 1997-08-19 Yamaha Motor Co Ltd ２サイクルエンジン
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

Also Published As

Publication number Publication date
DE69902981T2 (de) 2003-01-23
JP2000136725A (ja) 2000-05-16
US6152093A (en) 2000-11-28
JP3040758B1 (ja) 2000-05-15
EP0997620A2 (de) 2000-05-03
EP0997620B2 (de) 2005-12-07
DE69902981T3 (de) 2006-08-24
EP0997620A3 (de) 2000-12-13
EP0997620B1 (de) 2002-09-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

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

8327 Change in the person/name/address of the patent owner

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