EP0314532A1 - Brennraum eines Zweitakt-Hubkolbenmotors - Google Patents

Brennraum eines Zweitakt-Hubkolbenmotors Download PDF

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Publication number
EP0314532A1
EP0314532A1 EP88401794A EP88401794A EP0314532A1 EP 0314532 A1 EP0314532 A1 EP 0314532A1 EP 88401794 A EP88401794 A EP 88401794A EP 88401794 A EP88401794 A EP 88401794A EP 0314532 A1 EP0314532 A1 EP 0314532A1
Authority
EP
European Patent Office
Prior art keywords
mixture
chamber
air
piston
intake
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.)
Withdrawn
Application number
EP88401794A
Other languages
English (en)
French (fr)
Inventor
Georges Thery
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR8715118A external-priority patent/FR2622633B1/fr
Application filed by Individual filed Critical Individual
Publication of EP0314532A1 publication Critical patent/EP0314532A1/de
Withdrawn legal-status Critical Current

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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
    • F02B25/22—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
    • F02B25/14—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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/06—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps
    • F02B33/10—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
    • F02B33/14—Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder working and pumping pistons forming stepped piston
    • 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
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
EP88401794A 1987-10-30 1988-07-08 Brennraum eines Zweitakt-Hubkolbenmotors Withdrawn EP0314532A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8715118 1987-10-30
FR8715118A FR2622633B1 (fr) 1987-01-14 1987-10-30 Chambre de combustion d'un moteur alternatif 2 temps et moteur faisant application

Publications (1)

Publication Number Publication Date
EP0314532A1 true EP0314532A1 (de) 1989-05-03

Family

ID=9356374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88401794A Withdrawn EP0314532A1 (de) 1987-10-30 1988-07-08 Brennraum eines Zweitakt-Hubkolbenmotors

Country Status (3)

Country Link
US (1) US4899698A (de)
EP (1) EP0314532A1 (de)
JP (1) JPH01130012A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678682A1 (fr) * 1991-07-03 1993-01-08 Thery Georges Pompe alternative d'alimentation, notamment d'un moteur deux temps et moteur auquel elle est associee.

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5213069A (en) * 1988-03-25 1993-05-25 Curtil Remi E Two-stroke super charged engine and process for operating
JPH02126026U (de) * 1989-03-27 1990-10-17
JPH02294518A (ja) * 1989-05-02 1990-12-05 Nissan Motor Co Ltd ２ストロークエンジン
FR2649157A1 (fr) * 1989-06-28 1991-01-04 Inst Francais Du Petrole Moteurs a deux temps a injection pneumatique et a restriction de debit dans au moins un conduit de transfert
JPH04321715A (ja) * 1991-04-22 1992-11-11 Sanshin Ind Co Ltd 掃気ポンプを備えた２サイクルエンジン
US5237972A (en) * 1992-11-27 1993-08-24 General Motors Corporation Two-stage cycle engine and combustion chamber
US5692468A (en) * 1995-07-25 1997-12-02 Outboard Marine Corporation Fuel-injected internal combustion engine with improved combustion
JPH09217628A (ja) * 1996-02-13 1997-08-19 Yamaha Motor Co Ltd ２サイクルエンジン
JPH09242546A (ja) * 1996-03-08 1997-09-16 Honda Motor Co Ltd クランク室予圧縮型火花点火式２ストローク内燃機関
AUPO680597A0 (en) * 1997-05-15 1997-06-05 David, Jeffrey Andrew Two-stroke intrernal combustion engine having improved fuel porting
US6298811B1 (en) * 1998-09-29 2001-10-09 Komatsu Zenoah Co. Stratified scavenging two-cycle engine
US6435159B1 (en) 2000-05-10 2002-08-20 Bombardier Motor Corporation Of America Fuel injected internal combustion engine with reduced squish factor
US6691649B2 (en) 2000-07-19 2004-02-17 Bombardier-Rotax Gmbh Fuel injection system for a two-stroke engine
IT1315551B1 (it) 2000-11-20 2003-02-18 Blue Bird Ind Fabbrica Motori Motore a due tempi a basso inquinamento per apparecchi da giardinaggio
EP1314870B1 (de) * 2001-11-21 2005-02-09 MORINI FRANCO MOTORI S.p.A. Verbesserte Zweitakt-Brennkraftmaschine
US20040065280A1 (en) * 2002-10-04 2004-04-08 Homelite Technologies Ltd. Two-stroke engine transfer ports
DE102006001570B4 (de) * 2006-01-12 2012-02-23 Andreas Stihl Ag & Co. Kg Arbeitsgerät
US20100037874A1 (en) * 2008-08-12 2010-02-18 YAT Electrical Appliance Company, LTD Two-stroke engine emission control
CN102892993B (zh) * 2010-02-17 2014-12-10 普瑞马维斯（股份）责任有限公司 低消耗、低排放两冲程发动机
EP2670956B1 (de) * 2011-01-31 2015-03-11 Hitachi Koki Co., Ltd. Zweitaktmotor und motorgetriebene arbeitsmaschine damit
WO2023056511A1 (en) * 2021-10-06 2023-04-13 Mark Gendala Environmentally compatible two stroke engine

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR699253A (fr) * 1930-07-23 1931-02-12 Moteur à combustion interne
DE849624C (de) * 1949-11-01 1952-09-18 Gertrud Schnuerle Zweitakt-Brennkraftmaschine mit Vergaser und Zuendkerze
GB859487A (en) * 1958-09-02 1961-01-25 Friedrich Stuempfig Improvements in two-stroke cycle internal combustion engines
FR2166420A5 (de) * 1971-10-19 1973-08-17 Motobecane Ateliers
DE2650834A1 (de) * 1975-12-22 1977-06-30 Thaelmann Fahrzeug Jagdwaffen Gemischgespuelte zweitakt-brennkraftmaschine
US4068629A (en) * 1975-04-25 1978-01-17 Bernard Hooper Stepped piston two stroke engines
GB2022699A (en) * 1978-05-12 1979-12-19 Univ Belfast A crankcase scavenged two-stroke internal combustion engine
FR2431605A1 (fr) * 1978-07-19 1980-02-15 Jaulmes Eric Perfectionnement aux moteurs a deux temps a combustion interne
US4258670A (en) * 1977-10-21 1981-03-31 Georges Thery Method for feeding a combustion chamber of a two-stroke engine of the controlled ignition type and engine applying said method
GB2091806A (en) * 1981-01-23 1982-08-04 Berry Victor Clive Four-stroke engine with charging by the engine pistons
GB2175953A (en) * 1985-05-24 1986-12-10 Orbital Eng Pty Direct injection two-stroke engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH236103A (fr) * 1941-02-17 1945-01-15 Dufour Leon Procédé pour l'alimentation d'un moteur à explosion à deux temps à distribution par le piston et moteur pour sa mise en oeuvre.
US3494335A (en) * 1968-05-03 1970-02-10 Brunswick Corp Internal combustion engine
US3680305A (en) * 1970-09-28 1972-08-01 Raymond S Miller Clean combustion engine system
ES480476A1 (es) * 1978-05-12 1980-01-16 Univ Belfast Un motor de combustion interna de dos tiempos perfeccionado.
US4671219A (en) * 1982-09-11 1987-06-09 Honda Giken Kogyo Kabushiki Kaisha Two-stroke internal combustion engine
JPS59170423A (ja) * 1983-03-18 1984-09-26 Nippon Clean Engine Res 層状掃気２サイクル機関
US4598673A (en) * 1985-02-06 1986-07-08 Outboard Marine Corporation Air-scavenged two-cycle internal combustion engine
US4719880A (en) * 1985-05-24 1988-01-19 Orbital Engine Company Pty. Ltd. Two stroke cycle internal combustion engines
US4638770A (en) * 1985-09-13 1987-01-27 Duke Fox Porting system for two cycle internal combustion engines
JPH0756137B2 (ja) * 1986-06-18 1995-06-14 昌平 千田 穴掘削機械

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR699253A (fr) * 1930-07-23 1931-02-12 Moteur à combustion interne
DE849624C (de) * 1949-11-01 1952-09-18 Gertrud Schnuerle Zweitakt-Brennkraftmaschine mit Vergaser und Zuendkerze
GB859487A (en) * 1958-09-02 1961-01-25 Friedrich Stuempfig Improvements in two-stroke cycle internal combustion engines
FR2166420A5 (de) * 1971-10-19 1973-08-17 Motobecane Ateliers
US4068629A (en) * 1975-04-25 1978-01-17 Bernard Hooper Stepped piston two stroke engines
DE2650834A1 (de) * 1975-12-22 1977-06-30 Thaelmann Fahrzeug Jagdwaffen Gemischgespuelte zweitakt-brennkraftmaschine
US4258670A (en) * 1977-10-21 1981-03-31 Georges Thery Method for feeding a combustion chamber of a two-stroke engine of the controlled ignition type and engine applying said method
GB2022699A (en) * 1978-05-12 1979-12-19 Univ Belfast A crankcase scavenged two-stroke internal combustion engine
FR2431605A1 (fr) * 1978-07-19 1980-02-15 Jaulmes Eric Perfectionnement aux moteurs a deux temps a combustion interne
GB2091806A (en) * 1981-01-23 1982-08-04 Berry Victor Clive Four-stroke engine with charging by the engine pistons
GB2175953A (en) * 1985-05-24 1986-12-10 Orbital Eng Pty Direct injection two-stroke engine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 174 (M-490)[2230], 19 juin 1986; & JP-A-61 23 824 (MITSUNOBU NAKATANI) 01-02-1986 *
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 25 (M-355)[1748], 2 février 1985, page 58 M 355; JP-A-59 170 423 (NIHON KURINENJIN KENKYUSHO K.K.) 26-09-1984 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678682A1 (fr) * 1991-07-03 1993-01-08 Thery Georges Pompe alternative d'alimentation, notamment d'un moteur deux temps et moteur auquel elle est associee.

Also Published As

Publication number Publication date
JPH01130012A (ja) 1989-05-23
US4899698A (en) 1990-02-13

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