GB2448167B - Valve actuating system - Google Patents

Valve actuating system

Info

Publication number
GB2448167B
GB2448167B GB0706604A GB0706604A GB2448167B GB 2448167 B GB2448167 B GB 2448167B GB 0706604 A GB0706604 A GB 0706604A GB 0706604 A GB0706604 A GB 0706604A GB 2448167 B GB2448167 B GB 2448167B
Authority
GB
United Kingdom
Prior art keywords
valve actuating
actuating system
valve
actuating
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
GB0706604A
Other versions
GB0706604D0 (en
GB2448167A (en
Inventor
Timothy Mark Lancefield
Ian Methley
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.)
Mechadyne PLC
Original Assignee
Mechadyne PLC
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 Mechadyne PLC filed Critical Mechadyne PLC
Priority to GB0706604A priority Critical patent/GB2448167B/en
Publication of GB0706604D0 publication Critical patent/GB0706604D0/en
Publication of GB2448167A publication Critical patent/GB2448167A/en
Application granted granted Critical
Publication of GB2448167B publication Critical patent/GB2448167B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/146—Push-rods
    • 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
    • F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
    • 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
    • F01L13/0005—Deactivating valves
    • 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
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
    • 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
    • F01L2305/00—Valve arrangements comprising rollers
    • 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]
GB0706604A 2007-04-04 2007-04-04 Valve actuating system Expired - Fee Related GB2448167B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0706604A GB2448167B (en) 2007-04-04 2007-04-04 Valve actuating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0706604A GB2448167B (en) 2007-04-04 2007-04-04 Valve actuating system

Publications (3)

Publication Number Publication Date
GB0706604D0 GB0706604D0 (en) 2007-05-16
GB2448167A GB2448167A (en) 2008-10-08
GB2448167B true GB2448167B (en) 2011-07-20

Family

ID=38090875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0706604A Expired - Fee Related GB2448167B (en) 2007-04-04 2007-04-04 Valve actuating system

Country Status (1)

Country Link
GB (1) GB2448167B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2546985A (en) * 2016-02-02 2017-08-09 Caterpillar Energy Solutions Gmbh Valve apparatus for an engine
DE102018207457A1 (en) * 2018-05-15 2019-11-21 Mahle International Gmbh Valve train for an internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1148213A1 (en) * 2000-04-18 2001-10-24 IVECO FIAT S.p.A. An assembly for providing an engine brake system for an internal combustion engine, in particular of an industrial vehicle, and an internal combustion engine provided with this assembly
GB2421765A (en) * 2004-12-01 2006-07-05 Mechadyne Plc Valve operating mechanism with two cams

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1148213A1 (en) * 2000-04-18 2001-10-24 IVECO FIAT S.p.A. An assembly for providing an engine brake system for an internal combustion engine, in particular of an industrial vehicle, and an internal combustion engine provided with this assembly
GB2421765A (en) * 2004-12-01 2006-07-05 Mechadyne Plc Valve operating mechanism with two cams

Also Published As

Publication number Publication date
GB0706604D0 (en) 2007-05-16
GB2448167A (en) 2008-10-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130718 AND 20130724

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210404