GB2384272B - Valve operating mechanisms - Google Patents

Valve operating mechanisms

Info

Publication number
GB2384272B
GB2384272B GB0206609A GB0206609A GB2384272B GB 2384272 B GB2384272 B GB 2384272B GB 0206609 A GB0206609 A GB 0206609A GB 0206609 A GB0206609 A GB 0206609A GB 2384272 B GB2384272 B GB 2384272B
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.)
Expired - Fee Related
Application number
GB0206609A
Other versions
GB0206609D0 (en
GB2384272A (en
Inventor
James William Griffith Turner
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
Publication of GB0206609D0 publication Critical patent/GB0206609D0/en
Publication of GB2384272A publication Critical patent/GB2384272A/en
Application granted granted Critical
Publication of GB2384272B publication Critical patent/GB2384272B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005Deactivating valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/10Valve drive by means of crank-or eccentric-driven rods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015Modifications 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
    • F01L13/0063Modifications 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2305/00Valve arrangements comprising rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2800/00Methods of operation using a variable valve timing mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
GB0206609A 2002-01-16 2002-03-20 Valve operating mechanisms Expired - Fee Related GB2384272B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0200935.5A GB0200935D0 (en) 2002-01-16 2002-01-16 Valve operating mechanisms

Publications (3)

Publication Number Publication Date
GB0206609D0 GB0206609D0 (en) 2002-05-01
GB2384272A GB2384272A (en) 2003-07-23
GB2384272B true GB2384272B (en) 2004-03-03

Family

ID=9929176

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0200935.5A Ceased GB0200935D0 (en) 2002-01-16 2002-01-16 Valve operating mechanisms
GB0206609A Expired - Fee Related GB2384272B (en) 2002-01-16 2002-03-20 Valve operating mechanisms

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0200935.5A Ceased GB0200935D0 (en) 2002-01-16 2002-01-16 Valve operating mechanisms

Country Status (1)

Country Link
GB (2) GB0200935D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911879A (en) * 1973-07-13 1975-10-14 Daimler Benz Ag Valve adjustment mechanism for internal combustion engine
EP0280667A1 (en) * 1987-02-26 1988-08-31 Ab Volvo A valve mechanism for an internal combustion engine
WO1995009298A1 (en) * 1993-09-30 1995-04-06 Lotus Cars Ltd. Valve operating mechanism for internal combustion engines
WO1998036157A1 (en) * 1997-02-13 1998-08-20 Headstrong Design Pty Ltd Adjustment mechanism for valves

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911879A (en) * 1973-07-13 1975-10-14 Daimler Benz Ag Valve adjustment mechanism for internal combustion engine
EP0280667A1 (en) * 1987-02-26 1988-08-31 Ab Volvo A valve mechanism for an internal combustion engine
WO1995009298A1 (en) * 1993-09-30 1995-04-06 Lotus Cars Ltd. Valve operating mechanism for internal combustion engines
WO1998036157A1 (en) * 1997-02-13 1998-08-20 Headstrong Design Pty Ltd Adjustment mechanism for valves

Also Published As

Publication number Publication date
GB0200935D0 (en) 2002-03-06
GB0206609D0 (en) 2002-05-01
GB2384272A (en) 2003-07-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130320