FI55895C - Ventil foer foerbraenningsmotor av roterande ventiltyp - Google Patents

Ventil foer foerbraenningsmotor av roterande ventiltyp

Info

Publication number
FI55895C
FI55895C FI750671A FI750671A FI55895C FI 55895 C FI55895 C FI 55895C FI 750671 A FI750671 A FI 750671A FI 750671 A FI750671 A FI 750671A FI 55895 C FI55895 C FI 55895C
Authority
FI
Finland
Prior art keywords
ventiltyp
foerbraenningsmotor
roterande
ventil
foer
Prior art date
Application number
FI750671A
Other languages
English (en)
Finnish (fi)
Other versions
FI55895B (fi
FI750671A (fr
Inventor
William Dieter Guenther
Original Assignee
Dana Corp
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 US05/449,241 external-priority patent/US3948227A/en
Application filed by Dana Corp filed Critical Dana Corp
Publication of FI750671A publication Critical patent/FI750671A/fi
Application granted granted Critical
Publication of FI55895B publication Critical patent/FI55895B/fi
Publication of FI55895C publication Critical patent/FI55895C/fi

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
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L7/021—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves with one rotary valve
    • 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
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L7/021—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves with one rotary valve
    • F01L7/024—Cylindrical valves comprising radial inlet and axial outlet or axial inlet and radial outlet
    • 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
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L7/026—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke
    • 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
    • F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/18—Component parts, details, or accessories not provided for in preceding subgroups of this group
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
    • F02B19/1028—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s) pre-combustion chamber and cylinder having both intake ports or valves, e.g. HONDS CVCC
    • F02B19/1033—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s) pre-combustion chamber and cylinder having both intake ports or valves, e.g. HONDS CVCC specially adapted valves, e.g. rotary valves, pre-combustion chamber being part of a valve
    • 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
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Exhaust Silencers (AREA)
  • Characterised By The Charging Evacuation (AREA)
FI750671A 1974-03-08 1975-03-07 Ventil foer foerbraenningsmotor av roterande ventiltyp FI55895C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/449,241 US3948227A (en) 1974-03-08 1974-03-08 Stratified charge engine
US05/532,391 US4036184A (en) 1974-03-08 1974-12-13 Stratified charge engine

Publications (3)

Publication Number Publication Date
FI750671A FI750671A (fr) 1975-09-09
FI55895B FI55895B (fi) 1979-06-29
FI55895C true FI55895C (fi) 1979-10-10

Family

ID=27035642

Family Applications (4)

Application Number Title Priority Date Filing Date
FI750670A FI750670A (fr) 1974-03-08 1975-03-07
FI750671A FI55895C (fi) 1974-03-08 1975-03-07 Ventil foer foerbraenningsmotor av roterande ventiltyp
FI750673A FI55560C (fi) 1974-03-08 1975-03-07 Dateringsanordning foer roterande ventilmotor
FI750672A FI750672A (fr) 1974-03-08 1975-03-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FI750670A FI750670A (fr) 1974-03-08 1975-03-07

Family Applications After (2)

Application Number Title Priority Date Filing Date
FI750673A FI55560C (fi) 1974-03-08 1975-03-07 Dateringsanordning foer roterande ventilmotor
FI750672A FI750672A (fr) 1974-03-08 1975-03-07

Country Status (20)

Country Link
US (1) US4036184A (fr)
JP (4) JPS50125115A (fr)
AR (3) AR219044A1 (fr)
AU (1) AU499270B2 (fr)
BR (4) BR7501358A (fr)
CA (4) CA1030876A (fr)
DE (4) DE2510102A1 (fr)
ES (2) ES435440A1 (fr)
FI (4) FI750670A (fr)
FR (4) FR2263372B1 (fr)
GB (4) GB1496281A (fr)
IE (4) IE43019B1 (fr)
IL (4) IL46766A (fr)
IN (1) IN143592B (fr)
IT (4) IT1034114B (fr)
NL (4) NL7502783A (fr)
PH (4) PH12317A (fr)
SE (4) SE401947B (fr)
YU (3) YU54975A (fr)
ZA (1) ZA751408B (fr)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149493A (en) * 1972-09-29 1979-04-17 Motoren-Forschungs Gmbh Kg Multi-cylinder internal combustion engine
US4163438A (en) * 1975-11-26 1979-08-07 Dana Corporation Rotary valve timing apparatus
US4160430A (en) * 1977-12-01 1979-07-10 Bell John L Stratified charge internal combustion engine
IT1103626B (it) * 1978-07-20 1985-10-14 Borracci Pasquale Dr Ing Sistema di alimentazione nei motori a scoppio con ciclo otto per avere la fase di compressione a pressione massima a qualsiasi regime ed una stratificazione differenziata nella miscela ottenendo separata l'introduzione di aria pura o gas inerte dalla miscela carburata per ridurre allo scarico o gas nocivi
IE811742L (en) * 1981-07-30 1983-01-30 George Coates Internal combustion engine having rotary inlet and exhaust¹valves
GB2118601A (en) * 1982-04-21 1983-11-02 Draftex Dev Ag Windows
JPS5928006A (ja) * 1982-08-05 1984-02-14 Ngk Spark Plug Co Ltd セラミック製シリンダヘッド
JPS5954715A (ja) * 1982-09-20 1984-03-29 Ngk Spark Plug Co Ltd 弁体変位機構付きセラミック製ロータリバルブ方式多気筒内燃機関
US4610223A (en) * 1984-09-04 1986-09-09 Paul Karlan Cam engine
US4813392A (en) * 1984-11-15 1989-03-21 Hansen Engine Corporation Rotary valve assembly
US4612886A (en) * 1984-11-15 1986-09-23 Hansen Engine Corporation Internal combustion engine with rotary combustion chamber
US5000136A (en) * 1984-11-15 1991-03-19 Hansen Craig N Internal combustion engine with rotary valve assembly
US4773364A (en) * 1984-11-15 1988-09-27 Hansen Engine Corporation Internal combustion engine with rotary combustion chamber
AU586459B2 (en) * 1986-01-23 1989-07-13 Arthur Ernest Bishop Rotary valve for internal combustion engines
GB2190139A (en) * 1986-05-03 1987-11-11 Howard Brian Leitch Rotary spool valve
US4867117A (en) * 1987-12-22 1989-09-19 Scalise Michael A Rotary valve with integrated combustion chamber
US4960086A (en) * 1989-04-10 1990-10-02 Rassey Louis J Rotary valve construction utilizing a compressed gas as lubricant and coolant
JPH0751889B2 (ja) * 1989-06-20 1995-06-05 巧 室木 ロータリー弁装置
US4926809A (en) * 1989-08-10 1990-05-22 Allen Charles A Internal combustion engine with rotary valve
US4949685A (en) * 1989-10-25 1990-08-21 Doland George J Internal combustion engine with rotary valves
US5448971A (en) * 1990-06-20 1995-09-12 Group Lotus Limited Internal combustion engine and an improved rotary inlet valve for use therewith
GB9013788D0 (en) * 1990-06-20 1990-08-08 Lotus Group Plc Internal combustion engine and an improved rotary inlet valve for use therewith
US5095870A (en) * 1991-06-17 1992-03-17 Place George C Rotary valve four-cycle engine
US5205251A (en) * 1992-08-05 1993-04-27 Ibex Technologies, Inc. Rotary valve for internal combustion engine
US5251591A (en) * 1992-08-10 1993-10-12 Corrin William R Rotary valve for an internal combustion engine
US5474036A (en) * 1994-02-25 1995-12-12 Hansen Engine Corporation Internal combustion engine with rotary valve assembly having variable intake valve timing
US5490485A (en) * 1994-06-14 1996-02-13 Kutlucinar; Iskender V. Rotary valve for internal combustion engine
DE19541423A1 (de) * 1995-11-07 1997-05-15 Andreas Hennecke Vorrichtung zur Steuerung des Gasaustauschs bei Viertaktmotoren
US5738051A (en) * 1996-03-06 1998-04-14 Outboard Marine Corporation Four-cycle marine engine
US5967108A (en) 1996-09-11 1999-10-19 Kutlucinar; Iskender Rotary valve system
US5878707A (en) * 1997-09-22 1999-03-09 Ballard; Donald Rotary valve internal combustion engine
US6029617A (en) * 1998-05-12 2000-02-29 Lambert; Steven Modular rotary discoid valve assembly for engines and other applications
AUPQ783600A0 (en) * 2000-05-30 2000-06-22 Bishop Innovation Limited Variable timing mechanism for a rotary valve
US6390048B1 (en) * 2000-07-13 2002-05-21 Kevin M. Luchansky Valve apparatus for internal combustion engine
US6755171B1 (en) * 2000-10-30 2004-06-29 Travis D. Brawner Twin rotary valves for a four stroke internal combustion engine
US6691664B2 (en) * 2001-04-12 2004-02-17 Joseph Samuel Pisano Direct port rotary valve mechanism with variable timing for internal combustion engines
AUPR531501A0 (en) * 2001-05-30 2001-06-21 Bishop Innovation Limited Variable valve timing mechanism for a rotary valve
WO2004072448A2 (fr) * 2003-02-12 2004-08-26 D-J Engineering, Inc. Moteur a injection d'air
EP1792060B1 (fr) * 2004-09-01 2011-08-10 BRV Pty Limited Étanchéisation au gaz et à l"huile dans une soupape rotative
AU2005279690B2 (en) * 2004-09-01 2008-08-21 Bishop Innovation Limited Gas and oil sealing in a rotary valve
DE102006006628B3 (de) * 2006-02-09 2007-04-26 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Steuerorgan für eine Zylinder-Kolben-Einheit
WO2009039877A1 (fr) * 2007-09-19 2009-04-02 Lisa Dräxlmaier GmbH Culasse pour un moteur à combustion interne
WO2010069336A1 (fr) * 2008-12-15 2010-06-24 Abdel Fattah Mohamed Hatem Abouseira Moteur alternatif a quatre temps fonctionnant sans soupapes ni arbre a cames
US8616173B2 (en) * 2010-12-08 2013-12-31 GM Global Technology Operations LLC Engine assembly including modified intake port arrangement
US9115606B2 (en) 2011-10-10 2015-08-25 Vaztec, Llc Head assembly for an internal combustion engine
TWI495783B (zh) * 2013-01-11 2015-08-11 Nat Univ Tsing Hua 具有轉動式進氣排氣機構的氣動引擎
USD766331S1 (en) 2015-01-29 2016-09-13 Vaztec, Llc Seal
US9903239B2 (en) 2015-01-29 2018-02-27 Vaztec Engine Venture, Llc Engine with rotary valve apparatus
USD776793S1 (en) 2015-01-29 2017-01-17 Vaztec, Llc Rotary valve
USD755249S1 (en) 2015-01-29 2016-05-03 Vaztec, Llc Rotary valve chamber
USD755356S1 (en) 2015-01-29 2016-05-03 Vaztec, Llc Seal
USD755248S1 (en) 2015-01-29 2016-05-03 Vaztec, Llc Rotary valve spring
US9869397B2 (en) 2015-01-29 2018-01-16 Vaztec Engine Venture, Llc Modular rotary valve apparatus
CN107246293A (zh) * 2017-05-04 2017-10-13 夏周旋 一种筒式进排气装置及内燃机缸盖
CN109386336A (zh) * 2017-08-08 2019-02-26 罗灿 可调周转式旋塞阀
US10677190B2 (en) 2017-09-13 2020-06-09 Vaztec Engine Venture, Llc Engine with rotating valve assembly

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1030927A (en) * 1910-02-12 1912-07-02 Nathaniel S Seeley Engine valve mechanism.
US1077317A (en) * 1912-07-08 1913-11-04 Carl E Swenson Valve for internal-combustion engines.
US1245257A (en) * 1912-07-16 1917-11-06 Martin J Miller Reciprocating engine.
US1578581A (en) * 1922-04-29 1926-03-30 Alfred P J Pinel Internal-combustion engine
US1890326A (en) * 1931-02-27 1932-12-06 Sern L Hansen Valve structure for gas engines
US1917816A (en) * 1931-03-31 1933-07-11 William H D Spears Valve
US2007608A (en) * 1931-05-27 1935-07-09 Gen Motors Corp Two cycle engine
US2155143A (en) * 1937-06-25 1939-04-18 Gage C Mcdermett Internal combustion engine
NL160912C (nl) * 1972-11-27 Honda Motor Co Ltd Carburator.
JPS49104019A (fr) * 1973-02-13 1974-10-02
US3896781A (en) * 1974-07-10 1975-07-29 Gen Motors Corp Dual rotary valved internal combustion engine

Also Published As

Publication number Publication date
PH12997A (en) 1979-10-29
GB1496282A (en) 1977-12-30
CA1015279A (en) 1977-08-09
IL46766A (en) 1978-07-31
PH13027A (en) 1979-11-15
AR210257A1 (es) 1977-07-15
IE43020L (en) 1975-09-08
FI750672A (fr) 1975-09-09
IE43021L (en) 1975-09-08
IL46763A0 (en) 1975-05-22
IL46763A (en) 1979-05-31
IE43021B1 (en) 1980-12-03
IT1034113B (it) 1979-09-10
FR2263374B1 (fr) 1982-04-02
FI55560C (fi) 1979-08-10
IL46765A (en) 1977-12-30
IE43020B1 (en) 1980-12-03
SE7502573L (fr) 1975-09-09
YU55175A (en) 1982-02-28
FI750673A (fr) 1975-09-09
SE7502572L (fr) 1975-09-09
IE43019B1 (en) 1980-12-03
JPS50125109A (fr) 1975-10-01
DE2510101A1 (de) 1975-09-18
GB1496283A (en) 1977-12-30
SE401387B (sv) 1978-05-02
DE2510102A1 (de) 1975-09-11
ES435440A1 (es) 1976-12-16
CA1015278A (en) 1977-08-09
IE43018B1 (en) 1980-12-03
SE7502575L (fr) 1975-09-09
PH12317A (en) 1979-01-16
AR216423A1 (es) 1979-12-28
SE422968B (sv) 1982-04-05
AR219044A1 (es) 1980-07-31
IT1034115B (it) 1979-09-10
CA1030876A (fr) 1978-05-09
JPS50125113A (fr) 1975-10-01
IT1034112B (it) 1979-09-10
FI55560B (fi) 1979-04-30
BR7501361A (pt) 1976-11-30
IN143592B (fr) 1977-12-31
NL7502782A (nl) 1975-09-10
NL7502785A (nl) 1975-09-10
DE2510004A1 (de) 1975-09-11
GB1496281A (en) 1977-12-30
GB1496284A (en) 1977-12-30
NL7502783A (nl) 1975-09-10
IE43018L (en) 1975-09-08
FI55895B (fi) 1979-06-29
FR2263373B1 (fr) 1981-03-06
IL46766A0 (en) 1975-05-22
BR7501360A (pt) 1976-11-30
JPS50125114A (fr) 1975-10-01
YU54875A (en) 1982-02-28
YU54975A (en) 1982-02-28
IL46764A (en) 1978-07-31
FI750671A (fr) 1975-09-09
ZA751408B (en) 1976-02-25
FR2263372A1 (fr) 1975-10-03
IT1034114B (it) 1979-09-10
US4036184A (en) 1977-07-19
IE43019L (en) 1975-09-08
SE7502574L (fr) 1975-09-09
FR2263373A1 (fr) 1975-10-03
FR2263375A1 (fr) 1975-10-03
IL46764A0 (en) 1975-05-22
JPS50125115A (fr) 1975-10-01
FR2263374A1 (fr) 1975-10-03
FR2263375B1 (fr) 1981-03-06
DE2510005A1 (de) 1975-09-11
SE401947B (sv) 1978-06-05
CA1024072A (fr) 1978-01-10
ES435441A1 (es) 1976-12-01
AU499270B2 (en) 1979-04-12
NL7502784A (nl) 1975-09-10
BR7501358A (pt) 1976-11-30
PH12994A (en) 1979-10-29
FI750670A (fr) 1975-09-09
BR7501359A (pt) 1976-11-30
FR2263372B1 (fr) 1981-05-29
IL46765A0 (en) 1975-05-22

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Legal Events

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MM Patent lapsed

Owner name: DANA CORPORATION