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FR2840023B1 - Moteur a deux temps - Google Patents

Moteur a deux temps

Info

Publication number
FR2840023B1
FR2840023B1 FR0306224A FR0306224A FR2840023B1 FR 2840023 B1 FR2840023 B1 FR 2840023B1 FR 0306224 A FR0306224 A FR 0306224A FR 0306224 A FR0306224 A FR 0306224A FR 2840023 B1 FR2840023 B1 FR 2840023B1
Authority
FR
France
Prior art keywords
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
FR0306224A
Other languages
English (en)
Other versions
FR2840023A1 (fr
Inventor
Werner Geyer
Jorg Schlossarczyk
Claus Fleig
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
Publication of FR2840023A1 publication Critical patent/FR2840023A1/fr
Application granted granted Critical
Publication of FR2840023B1 publication Critical patent/FR2840023B1/fr
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
    • F02B25/02—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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
FR0306224A 2002-05-24 2003-05-23 Moteur a deux temps Expired - Lifetime FR2840023B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10223068 2002-05-24

Publications (2)

Publication Number Publication Date
FR2840023A1 FR2840023A1 (fr) 2003-11-28
FR2840023B1 true FR2840023B1 (fr) 2006-07-21

Family

ID=29414116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0306224A Expired - Lifetime FR2840023B1 (fr) 2002-05-24 2003-05-23 Moteur a deux temps

Country Status (5)

Country Link
US (1) US6895910B2 (fr)
JP (1) JP4292024B2 (fr)
CN (1) CN1295425C (fr)
DE (3) DE10312092B4 (fr)
FR (1) FR2840023B1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840019B1 (fr) * 2002-05-24 2005-08-19 Stihl Ag & Co Kg Andreas Moteur a deux temps, avec piston mobile, a balayage ameliore
US7021252B2 (en) * 2004-03-04 2006-04-04 Electrolux Home Products, Inc. Sas piston channel for optimum air scavenging
US7634980B2 (en) * 2004-07-16 2009-12-22 Husqvarna Ab Crankcase scavenged two-stroke internal combustion engine having an additional air supply
DE102005002013B4 (de) * 2005-01-15 2016-05-12 Andreas Stihl Ag & Co. Kg Zweitaktmotor
DE102007026121B4 (de) * 2007-06-05 2019-10-17 Andreas Stihl Ag & Co. Kg Verbrennungsmotor und Verfahren zu dessen Betrieb
AT505592B1 (de) * 2007-07-06 2009-04-15 Mahle Kinig Kommanditgesellsch Kolben
DE102007054929B4 (de) * 2007-11-17 2016-12-01 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
US8534268B2 (en) * 2009-09-14 2013-09-17 Nagesh Mavinahally Two-stroke engine
DE102010008260B4 (de) 2010-02-17 2021-08-19 Andreas Stihl Ag & Co. Kg Zweitaktmotor
DE102010045016B4 (de) * 2010-09-10 2020-12-31 Andreas Stihl Ag & Co. Kg Handgeführtes Arbeitsgerät
JP6050130B2 (ja) * 2013-01-25 2016-12-21 本田技研工業株式会社 予混合圧縮自着火式エンジン
US9856819B2 (en) 2014-02-02 2018-01-02 Nagesh Siddabasappa Mavinahally Piston and cylinder for two-stroke engine
CN103993972B (zh) * 2014-05-10 2017-02-15 肖光宇 一种活塞往复内燃机的发动缸
DE102017105604A1 (de) 2017-03-16 2018-09-20 Makita Corporation Kolben, Verbrennungsmotor und Arbeitsgerät
SE543272C2 (en) * 2019-03-06 2020-11-10 Husqvarna Ab Engine piston, engine, hand-held tool, and method of manufacturing an engine piston

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1006235A (fr) 1947-12-09 1952-04-21 Peugeot Cycles Piston pour moteur à deux temps
GB8724026D0 (en) 1987-10-13 1987-11-18 T & N Technology Ltd Pistons
US4987864A (en) * 1989-06-21 1991-01-29 General Motors Corporation Two cycle engine with valved pressure scavenging
US6289856B1 (en) * 1997-06-11 2001-09-18 Komatsu Zenoah Co., Stratified scavenging two-cycle engine
JP3404288B2 (ja) 1998-04-30 2003-05-06 タナカ工業株式会社 ２サイクルエンジン
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
US6497204B1 (en) * 1999-04-23 2002-12-24 Komatsu Zenoah, Co. Stratified scavenging two-stroke cycle engine
AU1887501A (en) * 1999-12-15 2001-06-25 Komatsu Zenoah Co. Piston valve type layered scavenging 2-cycle engine
DE60025041T2 (de) * 2000-01-14 2006-08-17 Aktiebolaget Electrolux Zweitaktbrennkraftmaschine
DE60025354T2 (de) * 2000-04-27 2006-09-28 Aktiebolaget Electrolux Zweitaktbrennkraftmaschine
JP2001323816A (ja) 2000-05-16 2001-11-22 Kioritz Corp ２サイクル内燃エンジン

Also Published As

Publication number Publication date
US6895910B2 (en) 2005-05-24
FR2840023A1 (fr) 2003-11-28
CN1295425C (zh) 2007-01-17
DE10312092B4 (de) 2013-10-10
US20030217711A1 (en) 2003-11-27
DE10321571A1 (de) 2003-12-04
DE10312092A1 (de) 2003-12-11
DE10321571B4 (de) 2016-01-07
CN1459555A (zh) 2003-12-03
DE10362403B3 (de) 2021-02-04
JP4292024B2 (ja) 2009-07-08
JP2003343352A (ja) 2003-12-03

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