FR2470247B1 - Moteur a deux temps a pistons opposes travaillant avec une charge stratifiee - Google Patents

Moteur a deux temps a pistons opposes travaillant avec une charge stratifiee

Info

Publication number
FR2470247B1
FR2470247B1 FR8021810A FR8021810A FR2470247B1 FR 2470247 B1 FR2470247 B1 FR 2470247B1 FR 8021810 A FR8021810 A FR 8021810A FR 8021810 A FR8021810 A FR 8021810A FR 2470247 B1 FR2470247 B1 FR 2470247B1
Authority
FR
France
Prior art keywords
stroke engine
engine working
opposite piston
laminated load
laminated
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
Application number
FR8021810A
Other languages
English (en)
Other versions
FR2470247A1 (fr
Inventor
Giovanni Batoni
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.)
Piaggio and C SpA
Original Assignee
Piaggio and C SpA
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 Piaggio and C SpA filed Critical Piaggio and C SpA
Publication of FR2470247A1 publication Critical patent/FR2470247A1/fr
Application granted granted Critical
Publication of FR2470247B1 publication Critical patent/FR2470247B1/fr
Expired 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
    • F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B7/00—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F01B7/02—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with oppositely reciprocating pistons
    • F01B7/14—Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with oppositely reciprocating pistons acting on different main shafts
    • 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
    • F02B25/08—Engines with oppositely-moving reciprocating working pistons
    • F02B25/10—Engines with oppositely-moving reciprocating working pistons with one piston having a smaller diameter or shorter stroke than the other
    • 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
    • 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
    • F02B75/00—Other engines
    • F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Supercharger (AREA)
FR8021810A 1979-11-27 1980-10-13 Moteur a deux temps a pistons opposes travaillant avec une charge stratifiee Expired FR2470247B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT27599/79A IT1126401B (it) 1979-11-27 1979-11-27 Perfezionamenti costruttivi di un motore a due tempi a pistoni contrapposti funzionati a carica stratificata

Publications (2)

Publication Number Publication Date
FR2470247A1 FR2470247A1 (fr) 1981-05-29
FR2470247B1 true FR2470247B1 (fr) 1986-06-27

Family

ID=11221960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8021810A Expired FR2470247B1 (fr) 1979-11-27 1980-10-13 Moteur a deux temps a pistons opposes travaillant avec une charge stratifiee

Country Status (7)

Country Link
US (1) US4352343A (fr)
JP (1) JPS592766B2 (fr)
DE (1) DE3026851C2 (fr)
FR (1) FR2470247B1 (fr)
GB (1) GB2063995B (fr)
IT (1) IT1126401B (fr)
NL (1) NL8004183A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8904043D0 (en) * 1989-02-22 1989-04-05 Univ Belfast L-head two stroke engines
US5596955A (en) * 1995-10-02 1997-01-28 Szuba; Louis Internal combustion engine
JP2002276377A (ja) * 2001-03-21 2002-09-25 Kioritz Corp ２サイクル内燃エンジン
US7258087B1 (en) 2006-03-03 2007-08-21 Cameron International Corporation Air intake porting for a two stroke engine
EP2261470A1 (fr) * 2009-06-08 2010-12-15 Léon Crosset Moteur à combustion interne avec une soupape rotative sphérique
ES2436250B1 (es) * 2012-05-25 2014-10-07 José Miguel Llusa Lanau Motor de combustión
RU2525773C1 (ru) * 2013-02-15 2014-08-20 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" (Сфу) Двухтактный двигатель внутреннего сгорания
RU2534760C1 (ru) * 2013-04-30 2014-12-10 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" (Сфу) Двухтактный двигатель внутреннего сгорания
US10190528B2 (en) * 2016-08-15 2019-01-29 Fairbanks Morse Llc Opposed piston engine cylinder with carbon scraper
IT201700111551A1 (it) * 2017-10-05 2019-04-05 Radice Omar Carlo Aurelio Motore endotermico con camera di combustione ad alta efficienza con valvole rotative che non partecipano alla tenuta dei gas di compressione e d'espansione
GB201719042D0 (en) * 2017-11-17 2018-01-03 Oxford Two Stroke Ltd Internal combustion engine
US11118456B2 (en) * 2018-05-23 2021-09-14 Enginuity Power Systems, Inc Methods and related systems for generating pressurized air within an opposed piston engine
US11415075B2 (en) * 2019-07-08 2022-08-16 Cummins Inc. Port shapes for enhanced engine breathing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE447950C (de) * 1924-05-07 1927-08-04 Vickers Petters Ltd Zweitaktverbrennungskraftmaschine
US2768616A (en) * 1951-10-25 1956-10-30 Thomas B Danckwortt Two cycle opposed piston internal combustion engine
US2886018A (en) * 1957-09-16 1959-05-12 Cuddon-Fletcher Angus Humphrey Two-stroke internal combustion engines
US3411289A (en) * 1967-03-21 1968-11-19 Fairbanks Morse Inc Turbocharged opposed piston engine having improved air charging and scavenging
DE2410970A1 (de) * 1973-03-19 1974-10-03 Yamaha Motor Co Ltd Verfahren zum betreiben eines zweitaktottomotors, sowie nach dem verfahren arbeitender motor
DD113792A5 (fr) * 1973-03-19 1975-06-20
AU6675074A (en) * 1973-03-19 1975-09-18 Yamaha Motor Co Ltd Internal combustion machine
US3970057A (en) * 1973-06-14 1976-07-20 Schauer George A Internal combustion engine
AU497643B2 (en) * 1975-06-23 1978-12-21 F Kaye Internal combustion engine
IT1081146B (it) * 1977-07-21 1985-05-16 Piaggio & C Spa Motore a due tempi con luce di scarico praticata nel pistone
IT1081148B (it) * 1977-07-21 1985-05-16 Piaggio & C Spa Motore a due tempi a pistoni contrapposti con carica stratificata

Also Published As

Publication number Publication date
DE3026851A1 (de) 1981-10-01
FR2470247A1 (fr) 1981-05-29
GB2063995A (en) 1981-06-10
US4352343A (en) 1982-10-05
NL8004183A (nl) 1981-07-01
DE3026851C2 (de) 1984-04-26
IT1126401B (it) 1986-05-21
GB2063995B (en) 1983-10-26
IT7927599A0 (it) 1979-11-27
JPS5675924A (en) 1981-06-23
JPS592766B2 (ja) 1984-01-20

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Legal Events

Date Code Title Description
ST Notification of lapse