DE59307123D1 - VALVE CONTROL FOR AN INTERNAL COMBUSTION ENGINE - Google Patents

VALVE CONTROL FOR AN INTERNAL COMBUSTION ENGINE

Info

Publication number
DE59307123D1
DE59307123D1 DE59307123T DE59307123T DE59307123D1 DE 59307123 D1 DE59307123 D1 DE 59307123D1 DE 59307123 T DE59307123 T DE 59307123T DE 59307123 T DE59307123 T DE 59307123T DE 59307123 D1 DE59307123 D1 DE 59307123D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
valve control
valve
control
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 - Lifetime
Application number
DE59307123T
Other languages
German (de)
Inventor
Gert Fischer
Johannes Hoehl
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Application granted granted Critical
Publication of DE59307123D1 publication Critical patent/DE59307123D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F01L13/0021—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 rocker arm ratio
    • F01L13/0026—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 rocker arm ratio by means of an eccentric
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F01L13/0047—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
DE59307123T 1992-12-13 1993-12-08 VALVE CONTROL FOR AN INTERNAL COMBUSTION ENGINE Expired - Lifetime DE59307123D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4242060 1992-12-13
PCT/EP1993/003451 WO1994013935A1 (en) 1992-12-13 1993-12-08 Valve control for an internal combustion engine

Publications (1)

Publication Number Publication Date
DE59307123D1 true DE59307123D1 (en) 1997-09-18

Family

ID=6475170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59307123T Expired - Lifetime DE59307123D1 (en) 1992-12-13 1993-12-08 VALVE CONTROL FOR AN INTERNAL COMBUSTION ENGINE

Country Status (3)

Country Link
EP (1) EP0626035B1 (en)
DE (1) DE59307123D1 (en)
WO (1) WO1994013935A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4418909A1 (en) * 1994-05-31 1995-12-07 Bayerische Motoren Werke Ag Valve control with an arrangement for variably changing the opening and closing of a globe valve, in particular for internal combustion engines
EP0717174A1 (en) * 1994-12-12 1996-06-19 Isuzu Motors Limited Valve operating system for internal combustion engine
DE19537377A1 (en) * 1995-10-06 1997-04-10 Bayerische Motoren Werke Ag Device for changing the stroke of internal combustion engine valves
US5937809A (en) * 1997-03-20 1999-08-17 General Motors Corporation Variable valve timing mechanisms
DE19825307A1 (en) * 1998-06-05 1999-12-09 Bayerische Motoren Werke Ag Valve control for an internal combustion engine
JP2001164911A (en) * 1999-12-10 2001-06-19 Yamaha Motor Co Ltd Valve system of four-cycle engine
DE102011001612B4 (en) * 2011-03-29 2013-02-28 Pierburg Gmbh Device for discrete phase shift
CN112523875B (en) * 2020-12-01 2022-08-12 广西玉柴机器股份有限公司 Control method for override function of marine engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266077A (en) * 1938-10-03 1941-12-16 Henry A Roan Internal combustion engine
US2880712A (en) * 1958-07-03 1959-04-07 Henry A Roan Variable valve timing for overhead cam engines
FR2500528B1 (en) * 1981-02-20 1985-10-11 Ferrer Jean MECHANISM FOR CONTROLLING THE INTAKE VALVES OF AN INTERNAL COMBUSTION ENGINE FOR AN EXTENDED INTAKE TIME
US4469056A (en) * 1983-02-22 1984-09-04 Tourtelot Jr Edward M Dual follower variable valve timing mechanism
US4530318A (en) * 1984-01-20 1985-07-23 Carol M. Semple Intake and exhaust valve system for internal combustion engine
DE3519319A1 (en) * 1985-05-30 1986-12-04 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart VARIABLE VALVE CONTROL FOR A PISTON PISTON COMBUSTION ENGINE

Also Published As

Publication number Publication date
EP0626035B1 (en) 1997-08-13
WO1994013935A1 (en) 1994-06-23
EP0626035A1 (en) 1994-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition