GB2241552B - Cam mechanism - Google Patents

Cam mechanism

Info

Publication number
GB2241552B
GB2241552B GB9017720A GB9017720A GB2241552B GB 2241552 B GB2241552 B GB 2241552B GB 9017720 A GB9017720 A GB 9017720A GB 9017720 A GB9017720 A GB 9017720A GB 2241552 B GB2241552 B GB 2241552B
Authority
GB
United Kingdom
Prior art keywords
cam mechanism
cam
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
GB9017720A
Other versions
GB2241552A (en
GB9017720D0 (en
Inventor
David John Baker
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
Publication of GB9017720D0 publication Critical patent/GB9017720D0/en
Publication of GB2241552A publication Critical patent/GB2241552A/en
Application granted granted Critical
Publication of GB2241552B publication Critical patent/GB2241552B/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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/348—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB9017720A 1990-01-26 1990-08-13 Cam mechanism Expired - Fee Related GB2241552B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909001793A GB9001793D0 (en) 1990-01-26 1990-01-26 Multiple cam mechanism

Publications (3)

Publication Number Publication Date
GB9017720D0 GB9017720D0 (en) 1990-09-26
GB2241552A GB2241552A (en) 1991-09-04
GB2241552B true GB2241552B (en) 1993-10-06

Family

ID=10669944

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909001793A Pending GB9001793D0 (en) 1990-01-26 1990-01-26 Multiple cam mechanism
GB9017720A Expired - Fee Related GB2241552B (en) 1990-01-26 1990-08-13 Cam mechanism

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909001793A Pending GB9001793D0 (en) 1990-01-26 1990-01-26 Multiple cam mechanism

Country Status (1)

Country Link
GB (2) GB9001793D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040488B2 (en) 2003-05-02 2006-05-09 Varco I/P, Inc. Screens and seals for vibratory separators
DE50200400D1 (en) * 2002-06-28 2004-06-03 Avl List Gmbh Internal combustion engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029348A (en) * 1964-12-04 1966-05-11 Charles Norman Mcleod Wornell Improvements in or relating to internal combustion engines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1029348A (en) * 1964-12-04 1966-05-11 Charles Norman Mcleod Wornell Improvements in or relating to internal combustion engines

Also Published As

Publication number Publication date
GB9001793D0 (en) 1990-03-28
GB2241552A (en) 1991-09-04
GB9017720D0 (en) 1990-09-26

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Legal Events

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

Effective date: 19940813