GB2273956B - An internal combustion engine incorporating variable valve lift - Google Patents

An internal combustion engine incorporating variable valve lift

Info

Publication number
GB2273956B
GB2273956B GB9300081A GB9300081A GB2273956B GB 2273956 B GB2273956 B GB 2273956B GB 9300081 A GB9300081 A GB 9300081A GB 9300081 A GB9300081 A GB 9300081A GB 2273956 B GB2273956 B GB 2273956B
Authority
GB
United Kingdom
Prior art keywords
combustion engine
internal combustion
variable valve
valve lift
engine incorporating
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
GB9300081A
Other versions
GB9300081D0 (en
GB2273956A (en
Inventor
Peter David Stewart
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9300081A priority Critical patent/GB2273956B/en
Publication of GB9300081D0 publication Critical patent/GB9300081D0/en
Publication of GB2273956A publication Critical patent/GB2273956A/en
Application granted granted Critical
Publication of GB2273956B publication Critical patent/GB2273956B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
GB9300081A 1993-01-05 1993-01-05 An internal combustion engine incorporating variable valve lift Expired - Fee Related GB2273956B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9300081A GB2273956B (en) 1993-01-05 1993-01-05 An internal combustion engine incorporating variable valve lift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9300081A GB2273956B (en) 1993-01-05 1993-01-05 An internal combustion engine incorporating variable valve lift

Publications (3)

Publication Number Publication Date
GB9300081D0 GB9300081D0 (en) 1993-03-03
GB2273956A GB2273956A (en) 1994-07-06
GB2273956B true GB2273956B (en) 1996-04-17

Family

ID=10728302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9300081A Expired - Fee Related GB2273956B (en) 1993-01-05 1993-01-05 An internal combustion engine incorporating variable valve lift

Country Status (1)

Country Link
GB (1) GB2273956B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1201872A (en) * 1967-07-13 1970-08-12 Ford Motor Co Mechanism for varying the operation of a reciprocating member
GB2066361A (en) * 1980-01-02 1981-07-08 Nat Res Dev Valve timing mechanisms of internal combustion engines
EP0132786A1 (en) * 1983-07-21 1985-02-13 Nissan Motor Co., Ltd. Variable valve timing mechanism
EP0179990A2 (en) * 1984-09-28 1986-05-07 Allied Corporation Method for variable valve timing in an internal combustion engine
WO1987007323A1 (en) * 1986-05-21 1987-12-03 Bennett Automotive Technology Pty. Ltd. Engines for use with gaseous fuels
US4714057A (en) * 1985-05-30 1987-12-22 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Variable valve control system for a piston internal-combustion engine
US4841799A (en) * 1983-11-30 1989-06-27 Entzminger William Variable ratio lever arm mechanism
GB2265183A (en) * 1992-03-20 1993-09-22 Daimler Benz Ag Adjustable i.c.engine valve gear.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1201872A (en) * 1967-07-13 1970-08-12 Ford Motor Co Mechanism for varying the operation of a reciprocating member
GB2066361A (en) * 1980-01-02 1981-07-08 Nat Res Dev Valve timing mechanisms of internal combustion engines
EP0132786A1 (en) * 1983-07-21 1985-02-13 Nissan Motor Co., Ltd. Variable valve timing mechanism
US4841799A (en) * 1983-11-30 1989-06-27 Entzminger William Variable ratio lever arm mechanism
EP0179990A2 (en) * 1984-09-28 1986-05-07 Allied Corporation Method for variable valve timing in an internal combustion engine
US4714057A (en) * 1985-05-30 1987-12-22 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Variable valve control system for a piston internal-combustion engine
WO1987007323A1 (en) * 1986-05-21 1987-12-03 Bennett Automotive Technology Pty. Ltd. Engines for use with gaseous fuels
GB2265183A (en) * 1992-03-20 1993-09-22 Daimler Benz Ag Adjustable i.c.engine valve gear.

Also Published As

Publication number Publication date
GB9300081D0 (en) 1993-03-03
GB2273956A (en) 1994-07-06

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Legal Events

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

Effective date: 19970105