FR2237058A1 - - Google Patents

Info

Publication number
FR2237058A1
FR2237058A1 FR7424110A FR7424110A FR2237058A1 FR 2237058 A1 FR2237058 A1 FR 2237058A1 FR 7424110 A FR7424110 A FR 7424110A FR 7424110 A FR7424110 A FR 7424110A FR 2237058 A1 FR2237058 A1 FR 2237058A1
Authority
FR
France
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.)
Granted
Application number
FR7424110A
Other languages
French (fr)
Other versions
FR2237058B1 (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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 DE19732335695 external-priority patent/DE2335695A1/en
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2237058A1 publication Critical patent/FR2237058A1/fr
Application granted granted Critical
Publication of FR2237058B1 publication Critical patent/FR2237058B1/fr
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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/042—Cam discs
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • 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
    • F01L31/00—Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00
    • F01L31/08—Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear
    • F01L31/14—Valve adjustment by links or guide rods, e.g. in valve-gears with eccentric drive
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • F01L2013/0068—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "BMW-Valvetronic" type
    • 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
    • F01L2305/00—Valve arrangements comprising rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Transmission Devices (AREA)
FR7424110A 1973-07-13 1974-07-11 Expired FR2237058B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732335695 DE2335695A1 (en) 1973-07-13 1973-07-13 I.C. engine valve regulation method - in which crankshaft rotary motion transfers a reciprocating motion to the valve stem
DE2363891A DE2363891A1 (en) 1973-07-13 1973-12-21 Valve control system for ic engine - valve rod is controlled by action of lever on adjustable curved surface

Publications (2)

Publication Number Publication Date
FR2237058A1 true FR2237058A1 (en) 1975-02-07
FR2237058B1 FR2237058B1 (en) 1977-03-18

Family

ID=25765483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424110A Expired FR2237058B1 (en) 1973-07-13 1974-07-11

Country Status (5)

Country Link
US (1) US3911879A (en)
DE (1) DE2363891A1 (en)
FR (1) FR2237058B1 (en)
GB (1) GB1437673A (en)
IT (1) IT1016177B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417637A1 (en) * 1978-02-17 1979-09-14 Tourtelot Edward MECHANISM FOR ADJUSTING THE VALVES OF AN INTERNAL COMBUSTION ENGINE
US4261307A (en) * 1979-09-06 1981-04-14 Sidney Oldberg Variable valve timing control for internal combustion engines
FR2472078A1 (en) * 1979-12-21 1981-06-26 Baguena Michel Four stroke engine valve drive - has roller controlling valve timing reciprocated between concave surface and shaped cam face
FR2484016A1 (en) * 1980-06-09 1981-12-11 Renault Valve for IC-engine - has timing adjusted by profiled lever acted on by two linked cams
EP1619362A3 (en) * 2004-07-20 2010-01-27 Bayerische Motoren Werke Aktiengesellschaft Valve train for an internal combustion engine

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182290A (en) * 1978-06-22 1980-01-08 Pohle William A Variable ratio rocker arm
DE3022188A1 (en) * 1980-06-13 1981-12-24 Teodoro 4300 Essen Holtmann VALVE CONTROL DEVICE OF AN INTERNAL COMBUSTION ENGINE
DE3115422A1 (en) * 1981-04-16 1982-11-11 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg HYDRAULIC DEVICE FOR ACTUATING GAS EXCHANGE VALVES
JPS5896134A (en) * 1981-12-03 1983-06-08 Honda Motor Co Ltd Valve drive control device of internal-combustion engine
JPS5896135A (en) * 1981-12-03 1983-06-08 Honda Motor Co Ltd Valve drive control device of internal-combustion engine
US4457268A (en) * 1982-01-25 1984-07-03 Jones Darrell L Valve position control device
US4502426A (en) * 1982-05-17 1985-03-05 Skelley James H Variable valve lift and timing mechanism
DE3406100A1 (en) * 1984-02-18 1985-08-22 Willi 7171 Michelfeld Roth Speed-dependent adjustment of the valve timing in combustion engines
WO1987007323A1 (en) * 1986-05-21 1987-12-03 Bennett Automotive Technology Pty. Ltd. Engines for use with gaseous fuels
AU593665B2 (en) * 1986-05-21 1990-02-15 Bennett Automotive Technology Pty. Ltd. Engines for use with gaseous fuels
GB8723256D0 (en) * 1987-10-03 1987-11-04 Jaguar Cars Valve mechanisms
IT1220275B (en) * 1988-01-19 1990-06-15 Franco Storchi COMPLEX OF ELEMENTS FOR VARIABLE TIMING OF THE VALVES OF AN ENGINE, IN PARTICULAR OF AN INTERNAL COMBUSTION ENGINE
US4848180A (en) * 1988-09-06 1989-07-18 Henley Manufacturing Corporation Low-friction, boat-type rocker arm
US5165370A (en) * 1991-04-25 1992-11-24 Gerald Beaumont Mechanism for controlling valve timing
US5463987A (en) * 1994-07-13 1995-11-07 Cukovich; Mark S. Variable valve timing mechanism
DE19854382B4 (en) 1998-11-25 2009-01-02 Alstom Method and device for atomizing liquid fuel for a firing plant
US6644255B1 (en) * 1999-10-15 2003-11-11 Vee Two Ptd Ltd. Guide plate for a poppet valve
AT411090B (en) 2000-12-12 2003-09-25 Jenbacher Ag FULLY VARIABLE HYDRAULIC VALVE ACTUATOR
HK1033238A2 (en) * 2001-01-20 2001-08-03 Foo Wah Lau A control device for an air valve of an internal combustion engine
JP4065992B2 (en) 2001-03-16 2008-03-26 エイ フォリノ フランク Forced open / close valve operating system
US6953014B2 (en) * 2001-03-16 2005-10-11 Folino Frank A Thermal compensating desmodromic valve actuation system
US7082912B2 (en) * 2001-03-16 2006-08-01 Folino Frank A System and method for controlling engine valve lift and valve opening percentage
GB0200935D0 (en) * 2002-01-16 2002-03-06 Lotus Car Valve operating mechanisms
DE10215281A1 (en) * 2002-04-06 2003-10-16 Willi Roth Device for continuously varying the valve lift in internal combustion engines
EP1712747A1 (en) * 2005-04-17 2006-10-18 Uwe Eisenbeis Valve train with variable valve stroke and timing for high-speed engines
US8033261B1 (en) 2008-11-03 2011-10-11 Robbins Warren H Valve actuation system and related methods
DE102010018712B4 (en) * 2010-04-29 2022-01-20 Audi Ag Valve drive for a gas exchange valve with rolling contact between cam follower and valve stem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1126843A (en) * 1913-10-06 1915-02-02 Henry G O'reilly Valve mechanism.
US2401480A (en) * 1942-01-26 1946-06-04 Aero Engines Ltd Valve actuation
US2696201A (en) * 1950-09-19 1954-12-07 Daimler Benz Ag Valve control mechanism of internalcombustion engines
US2851023A (en) * 1956-04-26 1958-09-09 Leroy A Durkan Variable valve timing
US2954017A (en) * 1958-03-29 1960-09-27 Porsche Kg Valve control arrangement for internal combustion engines
US2997991A (en) * 1960-02-08 1961-08-29 Henry A Roan Variable valve timing mechanism for internal combustion engines
US3261338A (en) * 1964-07-13 1966-07-19 Automobile Racing Club Of Okla Valve timing mechanism
US3413965A (en) * 1967-07-13 1968-12-03 Ford Motor Co Mechanism for varying the operation of a reciprocating member
GB1299673A (en) * 1969-02-13 1972-12-13 Fiat Spa Improvements relating to valve actuating mechanisms for internal combustion engines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417637A1 (en) * 1978-02-17 1979-09-14 Tourtelot Edward MECHANISM FOR ADJUSTING THE VALVES OF AN INTERNAL COMBUSTION ENGINE
US4261307A (en) * 1979-09-06 1981-04-14 Sidney Oldberg Variable valve timing control for internal combustion engines
FR2472078A1 (en) * 1979-12-21 1981-06-26 Baguena Michel Four stroke engine valve drive - has roller controlling valve timing reciprocated between concave surface and shaped cam face
FR2484016A1 (en) * 1980-06-09 1981-12-11 Renault Valve for IC-engine - has timing adjusted by profiled lever acted on by two linked cams
EP1619362A3 (en) * 2004-07-20 2010-01-27 Bayerische Motoren Werke Aktiengesellschaft Valve train for an internal combustion engine

Also Published As

Publication number Publication date
IT1016177B (en) 1977-05-30
FR2237058B1 (en) 1977-03-18
US3911879A (en) 1975-10-14
DE2363891A1 (en) 1975-06-26
GB1437673A (en) 1976-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse