IT7927599A0 - Perfezionamenti costruttivi di un motore a due tempi a pistoni contrapposti funzionanti a carica stratificata. - Google Patents

Perfezionamenti costruttivi di un motore a due tempi a pistoni contrapposti funzionanti a carica stratificata.

Info

Publication number
IT7927599A0
IT7927599A0 IT7927599A IT2759979A IT7927599A0 IT 7927599 A0 IT7927599 A0 IT 7927599A0 IT 7927599 A IT7927599 A IT 7927599A IT 2759979 A IT2759979 A IT 2759979A IT 7927599 A0 IT7927599 A0 IT 7927599A0
Authority
IT
Italy
Prior art keywords
stroke engine
stratified charge
opposed pistons
pistons operating
construction improvements
Prior art date
Application number
IT7927599A
Other languages
English (en)
Other versions
IT1126401B (it
Inventor
Batoni Giovanni
Original Assignee
Piaggio & 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 & C Spa filed Critical Piaggio & C Spa
Priority to IT27599/79A priority Critical patent/IT1126401B/it
Publication of IT7927599A0 publication Critical patent/IT7927599A0/it
Priority to GB8022943A priority patent/GB2063995B/en
Priority to DE3026851A priority patent/DE3026851C2/de
Priority to US06/171,235 priority patent/US4352343A/en
Priority to NL8004183A priority patent/NL8004183A/nl
Priority to JP55105237A priority patent/JPS592766B2/ja
Priority to FR8021810A priority patent/FR2470247B1/fr
Application granted granted Critical
Publication of IT1126401B publication Critical patent/IT1126401B/it

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

Priority Applications (7)

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
GB8022943A GB2063995B (en) 1979-11-27 1980-07-14 Two-stroke opposed piston engine operating with stratified charge
DE3026851A DE3026851C2 (de) 1979-11-27 1980-07-16 Zweitakt-Gegenkolben-Verbrennungsmotor mit Schichtladung
US06/171,235 US4352343A (en) 1979-11-27 1980-07-21 Constructional improvements in a two-stroke opposed piston engine operating with stratified charge
NL8004183A NL8004183A (nl) 1979-11-27 1980-07-21 Tweeslagsmotor met tegenovergestelde zuiger, beweegbaar in cilinders met verschillende boringen.
JP55105237A JPS592766B2 (ja) 1979-11-27 1980-08-01 層状チヤ−ジにより動作する二行程対向ピストンエンジンにおける構造的改良
FR8021810A FR2470247B1 (fr) 1979-11-27 1980-10-13 Moteur a deux temps a pistons opposes travaillant avec une charge stratifiee

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
IT7927599A0 true IT7927599A0 (it) 1979-11-27
IT1126401B IT1126401B (it) 1986-05-21

Family

ID=11221960

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (7)

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

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 (en) * 2009-06-08 2010-12-15 Léon Crosset Internal combustion engine with spherical rotary valve
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
DD113792A5 (it) * 1973-03-19 1975-06-20
AU6675074A (en) * 1973-03-19 1975-09-18 Yamaha Motor Co Ltd Internal combustion machine
DE2410970A1 (de) * 1973-03-19 1974-10-03 Yamaha Motor Co Ltd Verfahren zum betreiben eines zweitaktottomotors, sowie nach dem verfahren arbeitender motor
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
NL8004183A (nl) 1981-07-01
FR2470247B1 (fr) 1986-06-27
DE3026851C2 (de) 1984-04-26
FR2470247A1 (fr) 1981-05-29
US4352343A (en) 1982-10-05
IT1126401B (it) 1986-05-21
JPS5675924A (en) 1981-06-23
JPS592766B2 (ja) 1984-01-20
GB2063995A (en) 1981-06-10
DE3026851A1 (de) 1981-10-01
GB2063995B (en) 1983-10-26

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