DE10301732B4 - Zweitaktmotor und Verfahren zu dessen Betrieb - Google Patents

Zweitaktmotor und Verfahren zu dessen Betrieb Download PDF

Info

Publication number
DE10301732B4
DE10301732B4 DE10301732.1A DE10301732A DE10301732B4 DE 10301732 B4 DE10301732 B4 DE 10301732B4 DE 10301732 A DE10301732 A DE 10301732A DE 10301732 B4 DE10301732 B4 DE 10301732B4
Authority
DE
Germany
Prior art keywords
fuel
crankcase
piston
air
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
DE10301732.1A
Other languages
German (de)
English (en)
Other versions
DE10301732A1 (de
Inventor
Dipl.-Ing. Osburg Gerhard
Wolfgang Luithardt
Simon Jug
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.)
Andreas Stihl AG and Co KG
Original Assignee
Andreas Stihl AG and Co KG
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 Andreas Stihl AG and Co KG filed Critical Andreas Stihl AG and Co KG
Priority to DE10301732.1A priority Critical patent/DE10301732B4/de
Priority to FR0400404A priority patent/FR2850135B1/fr
Priority to CNB200410001995XA priority patent/CN100344861C/zh
Priority to JP2004010485A priority patent/JP4516760B2/ja
Priority to US10/759,003 priority patent/US7017537B2/en
Publication of DE10301732A1 publication Critical patent/DE10301732A1/de
Application granted granted Critical
Publication of DE10301732B4 publication Critical patent/DE10301732B4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F02B25/24—Inlet or outlet openings being timed asymmetrically relative to bottom dead-centre
    • 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
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall 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
    • F02B25/14—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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • F02M19/02—Metering-orifices, e.g. variable in diameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M23/00—Apparatus for adding secondary air to fuel-air mixture
    • F02M23/02—Apparatus for adding secondary air to fuel-air mixture with personal control, or with secondary-air valve controlled by main combustion-air throttle
    • F02M23/03—Apparatus for adding secondary air to fuel-air mixture with personal control, or with secondary-air valve controlled by main combustion-air throttle the secondary air-valve controlled by main combustion-air throttle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/14—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating by using heat from working cylinders or cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/16—Other apparatus for heating fuel
    • F02M31/18—Other apparatus for heating fuel to vaporise fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/10—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
    • F02M69/18—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air
    • F02M69/24—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air the device comprising a member for transmitting the movement of the air throttle valve actuated by the operator to the valves controlling fuel passages
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE10301732.1A 2003-01-18 2003-01-18 Zweitaktmotor und Verfahren zu dessen Betrieb Expired - Lifetime DE10301732B4 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE10301732.1A DE10301732B4 (de) 2003-01-18 2003-01-18 Zweitaktmotor und Verfahren zu dessen Betrieb
FR0400404A FR2850135B1 (fr) 2003-01-18 2004-01-16 Moteur a deux temps et procede pour assurer son fonctionnement
CNB200410001995XA CN100344861C (zh) 2003-01-18 2004-01-18 二冲程发动机及其工作方法
JP2004010485A JP4516760B2 (ja) 2003-01-18 2004-01-19 ２サイクルエンジンおよびその作動方法
US10/759,003 US7017537B2 (en) 2003-01-18 2004-01-20 Two-stroke engine and method for operating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10301732.1A DE10301732B4 (de) 2003-01-18 2003-01-18 Zweitaktmotor und Verfahren zu dessen Betrieb

Publications (2)

Publication Number Publication Date
DE10301732A1 DE10301732A1 (de) 2004-07-29
DE10301732B4 true DE10301732B4 (de) 2020-01-30

Family

ID=32602679

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10301732.1A Expired - Lifetime DE10301732B4 (de) 2003-01-18 2003-01-18 Zweitaktmotor und Verfahren zu dessen Betrieb

Country Status (5)

Country Link
US (1) US7017537B2 (https=)
JP (1) JP4516760B2 (https=)
CN (1) CN100344861C (https=)
DE (1) DE10301732B4 (https=)
FR (1) FR2850135B1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005002272A1 (de) * 2005-01-18 2006-07-20 Andreas Stihl Ag & Co. Kg Zweitaktmotor
DE102005002273B4 (de) * 2005-01-18 2017-08-10 Andreas Stihl Ag & Co. Kg Verfahren zum Betrieb eines Einzylinder-Zweitaktmotors
DE102005002275B4 (de) * 2005-01-18 2015-02-05 Andreas Stihl Ag & Co. Kg Verfahren zum Betrieb eines Einzylinder-Zweitaktmotors
US7331315B2 (en) * 2005-02-23 2008-02-19 Eastway Fair Company Limited Two-stroke engine with fuel injection
AU2005248964A1 (en) * 2005-02-23 2006-09-07 Techtronic Industries Co., Ltd Two-stroke engine with fuel injection
US20060243230A1 (en) * 2005-03-23 2006-11-02 Mavinahally Nagesh S Two-stroke engine
DE102008053808B4 (de) * 2008-10-29 2022-05-25 Andreas Stihl Ag & Co. Kg Verfahren und Vorrichtung zum Fluten einer Kraftstoffzumesseinrichtung
CN101956599B (zh) * 2009-07-15 2013-03-27 曼柴油机涡轮机欧洲股份公司曼柴油机涡轮机德国分公司 用以操作二冲程发动机的方法和用于实施该方法的设备
JP5370669B2 (ja) * 2009-10-07 2013-12-18 株式会社やまびこ ２サイクルエンジン
JP5478272B2 (ja) * 2010-01-22 2014-04-23 株式会社やまびこ ２ストローク内燃エンジン及びその掃気方法
WO2020256624A1 (en) 2019-06-19 2020-12-24 Husqvarna Ab Two-stroke engine, and handheld power tool
DE102020000989A1 (de) 2020-02-15 2021-08-19 Andreas Stihl Ag & Co. Kg Zweitaktmotor und Verfahren zum Betrieb eines Zweitaktmotors

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901898U (de) * 1962-06-06 1964-10-08 Auto Union Gmbh Vorrichtung zur kraftstoffeinspritzung.
DE4328989A1 (de) * 1993-08-28 1995-03-02 Stihl Maschf Andreas Membranvergaser
EP1176296A1 (en) * 1999-04-23 2002-01-30 Komatsu Zenoah Co. Stratified scavenging two-stroke cycle engine
DE10128195A1 (de) * 2001-06-11 2002-12-12 Stihl Maschf Andreas Zweitaktmotor mit Speicherkanal

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1722951A (en) * 1926-12-29 1929-07-30 Jean A H Barkeij Internal-combustion engine
US2317772A (en) * 1940-02-10 1943-04-27 Huber Fritz Internal combustion engine with scavenging pump
US3881454A (en) * 1972-10-16 1975-05-06 Motobecane Ateliers Two stroke engine construction
US4075985A (en) * 1975-06-20 1978-02-28 Yamaha Hatsudoki Kabushiki Kaisha Two cycle internal combustion engines
US4290394A (en) * 1980-03-07 1981-09-22 Brunswick Corporation Two-cycle engine with fuel injection
US5174262A (en) * 1989-04-14 1992-12-29 Brunswick Corporation Control valve for fuel injection
US5027759A (en) * 1990-08-22 1991-07-02 Industrial Technology Research Institute Fuel injection and gasifying system for two-stroke engine
US5092288A (en) * 1991-02-28 1992-03-03 Brunswick Corporation Spray rail reed block
SE468487B (sv) * 1991-05-24 1993-01-25 Electrolux Ab Tvaataktsmotor med braensleinsprutning
JPH113247A (ja) * 1997-06-10 1999-01-06 Pfu Ltd テストシステム
JP3035774B2 (ja) * 1997-11-18 2000-04-24 敏二 木下 空気調節２サイクルエンジン
JP3075258B2 (ja) * 1998-05-15 2000-08-14 双葉電子工業株式会社 模型用エンジンの制御装置及び制御方法
JP2000274250A (ja) * 1999-03-26 2000-10-03 Zama Japan Kk 層状掃気２サイクルエンジンの空燃比制御装置
JP2000345849A (ja) * 1999-06-07 2000-12-12 Zama Japan Kk ２サイクルエンジンの燃料・空気供給装置
US6418891B2 (en) * 2000-03-13 2002-07-16 Walbro Japan, Inc. Internal combustion engine
JP2002195073A (ja) * 2000-12-26 2002-07-10 Suzuki Motor Corp ２サイクルエンジンの電子式燃料噴射制御装置
CN1288332C (zh) * 2001-05-11 2006-12-06 电气联合股份有限公司 曲轴箱扫气型内燃机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901898U (de) * 1962-06-06 1964-10-08 Auto Union Gmbh Vorrichtung zur kraftstoffeinspritzung.
DE4328989A1 (de) * 1993-08-28 1995-03-02 Stihl Maschf Andreas Membranvergaser
EP1176296A1 (en) * 1999-04-23 2002-01-30 Komatsu Zenoah Co. Stratified scavenging two-stroke cycle engine
DE10128195A1 (de) * 2001-06-11 2002-12-12 Stihl Maschf Andreas Zweitaktmotor mit Speicherkanal

Also Published As

Publication number Publication date
FR2850135A1 (fr) 2004-07-23
JP2004225694A (ja) 2004-08-12
JP4516760B2 (ja) 2010-08-04
US7017537B2 (en) 2006-03-28
CN100344861C (zh) 2007-10-24
US20040144343A1 (en) 2004-07-29
DE10301732A1 (de) 2004-07-29
FR2850135B1 (fr) 2006-07-07
CN1523210A (zh) 2004-08-25

Similar Documents

Publication Publication Date Title
DE69314599T2 (de) Vergaser mit Beschleuniger und Leerlaufkreislaufabsperrung
DE10301732B4 (de) Zweitaktmotor und Verfahren zu dessen Betrieb
DE102009015018A1 (de) Verbrennungsmotor
DE1576593B1 (de) Membranvergaser fuer Brennkraftmaschinen
DE2348045C3 (de) Vergaser für Brennkraftmaschinen
EP3748151A1 (de) Gemischbildungseinheit und zweitaktmotor mit einer gemischbildungseinheit
DE1926758A1 (de) Fallstromvergaser
DE3883049T2 (de) Vergaser und Ventilmechanismus.
DE2060612A1 (de) Vergaser
DE102006031685B4 (de) Verbrennungsmotor und Verfahren zu dessen Betrieb
DE3137467A1 (de) Brennkraftmaschine
DE10326488A1 (de) Ansaugvorrichtung
DE2527406A1 (de) Brennkraftmaschine
DE10223071A1 (de) Schlitzgesteuerter Zweitaktmotor mit Spülvorlage
DE602004005062T2 (de) Vergaser
DE2801409C2 (de) Vergaser für Brennkraftmaschinen
DE102009042551A1 (de) Vergaser
DE2461354A1 (de) Vergaser
EP3561280B1 (de) Vergaser und verbrennungsmotor mit einem vergaser
DE2519019A1 (de) Verbrennungskraftmaschine
DE2112280A1 (de) Vorrichtung zur Durchlueftung eines Kurbelgehaeuses
DE949913C (de) Vergaser fuer Verbrennungsmotoren
DE1576593C (de) Membranvergaser für Brennkraftmaschinen
DE589952C (de) Spritzvergaser
DE550731C (de) Spritzvergaser

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final
R071 Expiry of right