GB1296157A - - Google Patents

Info

Publication number
GB1296157A
GB1296157A GB1296157DA GB1296157A GB 1296157 A GB1296157 A GB 1296157A GB 1296157D A GB1296157D A GB 1296157DA GB 1296157 A GB1296157 A GB 1296157A
Authority
GB
United Kingdom
Prior art keywords
cam
surface portion
shaft
rocker
aug
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1296157A publication Critical patent/GB1296157A/en
Expired 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
    • F01L13/0036—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
    • F01L13/0042—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 with cams being profiled in axial and radial direction
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • 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
    • F01L1/34416—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 using twisted cams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB1296157D 1969-08-12 1970-08-12 Expired GB1296157A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI235969A FI42486C (fi) 1969-08-12 1969-08-12 Venttiilikoneisto

Publications (1)

Publication Number Publication Date
GB1296157A true GB1296157A (enrdf_load_stackoverflow) 1972-11-15

Family

ID=8506995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296157D Expired GB1296157A (enrdf_load_stackoverflow) 1969-08-12 1970-08-12

Country Status (3)

Country Link
FI (1) FI42486C (enrdf_load_stackoverflow)
FR (1) FR2057984A5 (enrdf_load_stackoverflow)
GB (1) GB1296157A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128284A (en) * 1982-10-18 1984-04-26 Nabisco Brands Inc Adjustable cam actuator
EP1035303A3 (en) * 1999-03-10 2001-09-26 Toyota Jidosha Kabushiki Kaisha Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam
WO2001088345A1 (en) * 2000-05-17 2001-11-22 Walters Christopher Paulet Mel Valve control mechanism
US6561150B1 (en) 1999-08-23 2003-05-13 Toyota Jidosha Kabushiki Kaisha Engine valve characteristic controller
US7114473B2 (en) 2003-07-29 2006-10-03 Suzuki Motor Corporation Valve driving apparatus and internal combustion engine including the same
DE102011115533A1 (de) * 2011-10-08 2013-04-11 Neumayer Tekfor Holding Gmbh Nockenwelle und Nockenwellensystem
CN103306776A (zh) * 2013-06-28 2013-09-18 长城汽车股份有限公司 用于发动机的可变气门升程装置、发动机和车辆

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128284A (en) * 1982-10-18 1984-04-26 Nabisco Brands Inc Adjustable cam actuator
EP1035303A3 (en) * 1999-03-10 2001-09-26 Toyota Jidosha Kabushiki Kaisha Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam
US6360704B1 (en) 1999-03-10 2002-03-26 Toyota Jidosha Kabushiki Kaisha Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam
US6386155B2 (en) 1999-03-10 2002-05-14 Toyota Jidosha Kabushkik Kaisha Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam
US6561150B1 (en) 1999-08-23 2003-05-13 Toyota Jidosha Kabushiki Kaisha Engine valve characteristic controller
WO2001088345A1 (en) * 2000-05-17 2001-11-22 Walters Christopher Paulet Mel Valve control mechanism
US6745736B2 (en) 2000-05-17 2004-06-08 Christopher Paulet Melmoth Walters Valve control mechanism
US7114473B2 (en) 2003-07-29 2006-10-03 Suzuki Motor Corporation Valve driving apparatus and internal combustion engine including the same
DE102011115533A1 (de) * 2011-10-08 2013-04-11 Neumayer Tekfor Holding Gmbh Nockenwelle und Nockenwellensystem
CN103306776A (zh) * 2013-06-28 2013-09-18 长城汽车股份有限公司 用于发动机的可变气门升程装置、发动机和车辆
CN103306776B (zh) * 2013-06-28 2015-09-09 长城汽车股份有限公司 用于发动机的可变气门升程装置、发动机和车辆

Also Published As

Publication number Publication date
FI42486C (fi) 1970-08-10
FI42486B (enrdf_load_stackoverflow) 1970-04-30
FR2057984A5 (enrdf_load_stackoverflow) 1971-05-21

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Legal Events

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