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GB0200936D0 - Valve operating mechanisms - Google Patents

Valve operating mechanisms

Info

Publication number
GB0200936D0
GB0200936D0 GBGB0200936.3A GB0200936A GB0200936D0 GB 0200936 D0 GB0200936 D0 GB 0200936D0 GB 0200936 A GB0200936 A GB 0200936A GB 0200936 D0 GB0200936 D0 GB 0200936D0
Authority
GB
United Kingdom
Prior art keywords
valve operating
operating mechanisms
mechanisms
valve
operating
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.)
Ceased
Application number
GBGB0200936.3A
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.)
Lotus Cars Ltd
Original Assignee
Lotus Cars 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 Lotus Cars Ltd filed Critical Lotus Cars Ltd
Priority to GBGB0200936.3A priority Critical patent/GB0200936D0/en
Publication of GB0200936D0 publication Critical patent/GB0200936D0/en
Priority to GB0206179A priority patent/GB2384271B/en
Priority to PCT/GB2003/000143 priority patent/WO2003062609A1/en
Ceased 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
    • F01L13/0063—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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005—Deactivating valves
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/01—Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D2013/005—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing of throttleless spark ignited engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
GBGB0200936.3A 2002-01-16 2002-01-16 Valve operating mechanisms Ceased GB0200936D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0200936.3A GB0200936D0 (en) 2002-01-16 2002-01-16 Valve operating mechanisms
GB0206179A GB2384271B (en) 2002-01-16 2002-03-15 Valve operating mechanisms
PCT/GB2003/000143 WO2003062609A1 (en) 2002-01-16 2003-01-15 Valve operating mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0200936.3A GB0200936D0 (en) 2002-01-16 2002-01-16 Valve operating mechanisms

Publications (1)

Publication Number Publication Date
GB0200936D0 true GB0200936D0 (en) 2002-03-06

Family

ID=9929177

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0200936.3A Ceased GB0200936D0 (en) 2002-01-16 2002-01-16 Valve operating mechanisms
GB0206179A Expired - Fee Related GB2384271B (en) 2002-01-16 2002-03-15 Valve operating mechanisms

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0206179A Expired - Fee Related GB2384271B (en) 2002-01-16 2002-03-15 Valve operating mechanisms

Country Status (1)

Country Link
GB (2) GB0200936D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE428045T1 (en) * 2003-08-18 2009-04-15 Manousos Pattakos ADJUSTABLE VALVE CONTROL
IT202000012628A1 (en) * 2020-05-28 2021-11-28 Franco Lambertini Sliding system for controlling the continuous lift of the valves of an internal combustion engine, and engine comprising said system.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495902A (en) * 1983-05-05 1985-01-29 Investment Rarities, Incorporated Mechanism for variably controlling an internal combustion engine valve
GB8703032D0 (en) * 1987-02-10 1987-03-18 Stidworthy F M Variable valves
US5365895A (en) * 1991-12-03 1994-11-22 Motive Holdings Limited Variable valve lift mechanism for internal combustion engine
GB9320204D0 (en) * 1993-09-30 1993-11-17 Lotus Car Valve operating mechanism for internal combustion engines
FR2796982B1 (en) * 1999-07-28 2001-10-26 Peugeot Citroen Automobiles Sa DEVICE FOR CONTROLLING A VALVE AND INTERNAL COMBUSTION ENGINE PROVIDED WITH SUCH A DEVICE

Also Published As

Publication number Publication date
GB0206179D0 (en) 2002-05-01
GB2384271B (en) 2004-03-24
GB2384271A (en) 2003-07-23

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)