GB0620446D0 - Improvements to valve mechanisms with hydraulically actuated secondary opening - Google Patents

Improvements to valve mechanisms with hydraulically actuated secondary opening

Info

Publication number
GB0620446D0
GB0620446D0 GBGB0620446.5A GB0620446A GB0620446D0 GB 0620446 D0 GB0620446 D0 GB 0620446D0 GB 0620446 A GB0620446 A GB 0620446A GB 0620446 D0 GB0620446 D0 GB 0620446D0
Authority
GB
United Kingdom
Prior art keywords
hydraulically actuated
valve mechanisms
secondary opening
actuated secondary
mechanisms
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
GBGB0620446.5A
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.)
Powertrain Technology Ltd
Original Assignee
Powertrain Technology 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 Powertrain Technology Ltd filed Critical Powertrain Technology Ltd
Priority to GBGB0620446.5A priority Critical patent/GB0620446D0/en
Publication of GB0620446D0 publication Critical patent/GB0620446D0/en
Priority to GB0623923A priority patent/GB2442813B/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
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • F01L13/0057—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 splittable or deformable cams
    • 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
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0242—Variable control of the exhaust valves only
    • F02D13/0246—Variable control of the exhaust valves only changing valve lift or valve lift and timing
    • 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
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0273—Multiple actuations of a valve within an engine cycle
    • 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
    • F01L2800/10—Providing exhaust gas recirculation [EGR]
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/01—Absolute values
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GBGB0620446.5A 2006-10-14 2006-10-14 Improvements to valve mechanisms with hydraulically actuated secondary opening Ceased GB0620446D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0620446.5A GB0620446D0 (en) 2006-10-14 2006-10-14 Improvements to valve mechanisms with hydraulically actuated secondary opening
GB0623923A GB2442813B (en) 2006-10-14 2006-11-30 Valve mechanisms with hydraulically actuated secondary opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0620446.5A GB0620446D0 (en) 2006-10-14 2006-10-14 Improvements to valve mechanisms with hydraulically actuated secondary opening

Publications (1)

Publication Number Publication Date
GB0620446D0 true GB0620446D0 (en) 2006-11-22

Family

ID=37491544

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0620446.5A Ceased GB0620446D0 (en) 2006-10-14 2006-10-14 Improvements to valve mechanisms with hydraulically actuated secondary opening
GB0623923A Expired - Fee Related GB2442813B (en) 2006-10-14 2006-11-30 Valve mechanisms with hydraulically actuated secondary opening

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0623923A Expired - Fee Related GB2442813B (en) 2006-10-14 2006-11-30 Valve mechanisms with hydraulically actuated secondary opening

Country Status (1)

Country Link
GB (2) GB0620446D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20135018L (en) 2013-01-07 2014-07-08 Waertsilae Finland Oy Valve lifting arrangement and method of operating the exhaust valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103779A (en) * 1989-04-18 1992-04-14 Hare Sr Nicholas S Electro-rheological valve control mechanism
US5404770A (en) * 1991-08-14 1995-04-11 Volkswagen Ag Variable cam arrangement for a lift valve
DE10141605A1 (en) * 2001-08-24 2003-03-06 Bosch Gmbh Robert Device for the variable control of the gas exchange valves of an internal combustion engine
CA2467931A1 (en) * 2004-05-25 2005-11-25 Nicholas M. Ottlyk Varilift, or variable valve lift system

Also Published As

Publication number Publication date
GB2442813A (en) 2008-04-16
GB2442813B (en) 2011-08-10
GB0623923D0 (en) 2007-01-10

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Legal Events

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