ES443614A1 - Perfeccionamientos en motores de combustion interna de dos tiempos. - Google Patents

Perfeccionamientos en motores de combustion interna de dos tiempos.

Info

Publication number
ES443614A1
ES443614A1 ES443614A ES443614A ES443614A1 ES 443614 A1 ES443614 A1 ES 443614A1 ES 443614 A ES443614 A ES 443614A ES 443614 A ES443614 A ES 443614A ES 443614 A1 ES443614 A1 ES 443614A1
Authority
ES
Spain
Prior art keywords
passages
crankcase
transfer port
cylinder
piston
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
ES443614A
Other languages
English (en)
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.)
Ricardo PLC
Original Assignee
Ricardo and Co Engineers 1927 Ltd
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 and Co Engineers 1927 Ltd filed Critical Ricardo and Co Engineers 1927 Ltd
Publication of ES443614A1 publication Critical patent/ES443614A1/es
Expired legal-status Critical Current

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)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Check Valves (AREA)
ES443614A 1974-12-18 1975-12-18 Perfeccionamientos en motores de combustion interna de dos tiempos. Expired ES443614A1 (es)

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
ES443614A1 true ES443614A1 (es) 1977-05-01

Family

ID=10471627

Family Applications (1)

Application Number Title Priority Date Filing Date
ES443614A Expired ES443614A1 (es) 1974-12-18 1975-12-18 Perfeccionamientos en motores de combustion interna de dos tiempos.

Country Status (5)

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

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
US4836153A (en) * 1984-11-26 1989-06-06 John Velencei Two-piston internal combustion engines
US4683845A (en) * 1984-11-26 1987-08-04 John Velencei Two-piston internal combustion engine (JV-2)
US4682570A (en) * 1984-11-26 1987-07-28 John Velencei Internal combustion engine (JV-1)
US4834034A (en) * 1984-11-26 1989-05-30 John Velencei 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
RU2466281C1 (ru) * 2008-09-24 2012-11-10 Макита Корпорейшн Двухтактный двигатель с послойной продувкой
EP2261470A1 (en) * 2009-06-08 2010-12-15 Léon Crosset Internal combustion engine with spherical rotary valve
WO2012105216A1 (en) * 2011-01-31 2012-08-09 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
IT1052863B (it) 1981-07-20
JPS5836171B2 (ja) 1983-08-08
JPS51105521A (en) 1976-09-18
US4066050A (en) 1978-01-03
GB1529059A (en) 1978-10-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19950118