IT1052863B - Perfeziona ento nei motori a combustione interna a due tempi - Google Patents

Perfeziona ento nei motori a combustione interna a due tempi

Info

Publication number
IT1052863B
IT1052863B IT52749/75A IT5274975A IT1052863B IT 1052863 B IT1052863 B IT 1052863B IT 52749/75 A IT52749/75 A IT 52749/75A IT 5274975 A IT5274975 A IT 5274975A IT 1052863 B IT1052863 B IT 1052863B
Authority
IT
Italy
Prior art keywords
internal combustion
combustion engines
stroke internal
improves body
improves
Prior art date
Application number
IT52749/75A
Other languages
English (en)
Original Assignee
Ricardo & Co Engineers
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 Ricardo & Co Engineers filed Critical Ricardo & Co Engineers
Application granted granted Critical
Publication of IT1052863B publication Critical patent/IT1052863B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
    • F01L3/205—Reed valves
    • 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
    • F02B33/28—Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups F02B33/02 - F02B33/26
    • F02B33/30—Control of inlet or outlet ports
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Supercharger (AREA)
  • Check Valves (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
IT52749/75A 1974-12-18 1975-12-17 Perfeziona ento nei motori a combustione interna a due tempi IT1052863B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54633/74A GB1529059A (en) 1974-12-18 1974-12-18 Transfer passages in two-stroke i.c.engines

Publications (1)

Publication Number Publication Date
IT1052863B true IT1052863B (it) 1981-07-20

Family

ID=10471627

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52749/75A IT1052863B (it) 1974-12-18 1975-12-17 Perfeziona ento nei motori a combustione interna a due tempi

Country Status (5)

Country Link
US (1) US4066050A (it)
JP (1) JPS5836171B2 (it)
ES (1) ES443614A1 (it)
GB (1) GB1529059A (it)
IT (1) IT1052863B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS587058Y2 (ja) * 1977-04-20 1983-02-07 ヤマハ発動機株式会社 クランク室圧縮式２サイクルエンジン
JPS54106722A (en) * 1978-02-09 1979-08-22 Toyota Motor Corp Active thermal atmosphere two-cycle internal combustion engine
JPS60259756A (ja) * 1984-06-05 1985-12-21 Sanshin Ind Co Ltd 内燃機関の燃料供給装置
US4549507A (en) * 1984-09-19 1985-10-29 Brunswick Corp. Two cycle loop scavenged engine with improved transfer passage flow
US4682570A (en) * 1984-11-26 1987-07-28 John Velencei Internal combustion engine (JV-1)
US4683845A (en) * 1984-11-26 1987-08-04 John Velencei Two-piston internal combustion engine (JV-2)
US4834034A (en) * 1984-11-26 1989-05-30 John Velencei Internal combustion engines
US4836153A (en) * 1984-11-26 1989-06-06 John Velencei Two-piston internal combustion engines
GB8508399D0 (en) * 1985-03-30 1985-05-09 L & T Plastics Ltd Spreader apparatus
FR2617240B1 (fr) * 1987-06-26 1992-10-02 Inst Francais Du Petrole Dispositif et methode d'introduction sous pression de melange carbure dans le cylindre d'un moteur
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
JPH04327998A (ja) * 1991-04-26 1992-11-17 Konica Corp Ｉｄカードおよびその製造方法
DE19512566C2 (de) * 1995-04-04 2000-05-18 Stihl Maschf Andreas Zweitaktmotor mit mehreren Überströmkanälen
US6318311B1 (en) * 1999-09-10 2001-11-20 Tohatsu Corporation Cylinder-injection type two cycle combustion engine
US7258087B1 (en) * 2006-03-03 2007-08-21 Cameron International Corporation Air intake porting for a two stroke engine
CN102165163B (zh) * 2008-09-24 2014-11-12 株式会社牧田 层状扫气二冲程发动机
EP2261470A1 (en) * 2009-06-08 2010-12-15 Léon Crosset Internal combustion engine with spherical rotary valve
US20130327307A1 (en) * 2011-01-31 2013-12-12 Hitachi Koki Co., Ltd. 2-cycle engine and engine-powered working machine having the same
JP5922569B2 (ja) 2012-12-28 2016-05-24 株式会社マキタ 層状掃気２ストロークエンジン
JP6042767B2 (ja) * 2013-04-30 2016-12-14 株式会社マキタ 層状掃気２ストロークエンジン
JP6265790B2 (ja) * 2014-03-11 2018-01-24 本田技研工業株式会社 ２ストロークエンジン
US11415075B2 (en) 2019-07-08 2022-08-16 Cummins Inc. Port shapes for enhanced engine breathing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058526A (en) * 1934-12-31 1936-10-27 Johnson Motor Company Internal combustion engine
DE865233C (de) * 1940-06-21 1953-02-02 Auto Union A G Gemischverdichtende Zweitaktbrennkraftmaschine
DE809265C (de) * 1948-10-02 1951-07-26 Kloeckner Humboldt Deutz Ag Zweitaktbrennkraftmaschine
US3195524A (en) * 1962-07-30 1965-07-20 Outboard Marine Corp Engine
US3613646A (en) * 1969-09-10 1971-10-19 Souichi Hisada Secondary air injection system for an internal combustion engine
US3815558A (en) * 1972-08-07 1974-06-11 W Tenney Scavenge porting system

Also Published As

Publication number Publication date
US4066050A (en) 1978-01-03
JPS5836171B2 (ja) 1983-08-08
GB1529059A (en) 1978-10-18
JPS51105521A (en) 1976-09-18
ES443614A1 (es) 1977-05-01

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