GB2563064B - Valve actuators - Google Patents

Valve actuators Download PDF

Info

Publication number
GB2563064B
GB2563064B GB1708817.0A GB201708817A GB2563064B GB 2563064 B GB2563064 B GB 2563064B GB 201708817 A GB201708817 A GB 201708817A GB 2563064 B GB2563064 B GB 2563064B
Authority
GB
United Kingdom
Prior art keywords
valve actuators
actuators
valve
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
GB1708817.0A
Other versions
GB201708817D0 (en
GB2563064A (en
Inventor
Derrick Stone Roger
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.)
Camcon Auto Ltd
Original Assignee
Camcon Auto 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 Camcon Auto Ltd filed Critical Camcon Auto Ltd
Priority to GB1708817.0A priority Critical patent/GB2563064B/en
Publication of GB201708817D0 publication Critical patent/GB201708817D0/en
Priority to US16/616,333 priority patent/US20200157977A1/en
Priority to PCT/GB2018/051476 priority patent/WO2018220372A1/en
Priority to CN201880036641.9A priority patent/CN110770418A/en
Priority to EP18730058.7A priority patent/EP3631175A1/en
Priority to JP2019566290A priority patent/JP2020521913A/en
Publication of GB2563064A publication Critical patent/GB2563064A/en
Application granted granted Critical
Publication of GB2563064B publication Critical patent/GB2563064B/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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/16—Pneumatic means
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/40—Methods of operation thereof; Control of valve actuation, e.g. duration or lift
    • F01L2009/4088—Fail safe, e.g. valve kept closed if not opening properly
    • 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
    • F01L2820/03—Auxiliary actuators
    • F01L2820/032—Electric motors
GB1708817.0A 2017-06-02 2017-06-02 Valve actuators Expired - Fee Related GB2563064B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1708817.0A GB2563064B (en) 2017-06-02 2017-06-02 Valve actuators
EP18730058.7A EP3631175A1 (en) 2017-06-02 2018-05-31 Valve actuators
PCT/GB2018/051476 WO2018220372A1 (en) 2017-06-02 2018-05-31 Valve actuators
CN201880036641.9A CN110770418A (en) 2017-06-02 2018-05-31 Valve actuator
US16/616,333 US20200157977A1 (en) 2017-06-02 2018-05-31 Valve actuators
JP2019566290A JP2020521913A (en) 2017-06-02 2018-05-31 Valve actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1708817.0A GB2563064B (en) 2017-06-02 2017-06-02 Valve actuators

Publications (3)

Publication Number Publication Date
GB201708817D0 GB201708817D0 (en) 2017-07-19
GB2563064A GB2563064A (en) 2018-12-05
GB2563064B true GB2563064B (en) 2022-05-18

Family

ID=59349755

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1708817.0A Expired - Fee Related GB2563064B (en) 2017-06-02 2017-06-02 Valve actuators

Country Status (6)

Country Link
US (1) US20200157977A1 (en)
EP (1) EP3631175A1 (en)
JP (1) JP2020521913A (en)
CN (1) CN110770418A (en)
GB (1) GB2563064B (en)
WO (1) WO2018220372A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727832A (en) * 1986-06-13 1988-03-01 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Roller rocker arm
EP0574867A1 (en) * 1992-06-19 1993-12-22 CENTRO RICERCHE FIAT Società Consortile per Azioni A device for operating a valve in an internal combustion engine
DE4419768A1 (en) * 1993-06-26 1995-01-05 Volkswagen Ag Variable valve gear for a lifting valve
EP0681092A1 (en) * 1994-05-06 1995-11-08 FIAT AUTO S.p.A. A valve control device for an internal combustion engine having a tappet clearance compensation device
US20030145818A1 (en) * 2002-02-07 2003-08-07 Morel Motorsports, Inc. Valve lifter
US20070209620A1 (en) * 2004-11-12 2007-09-13 Bayerische Motoren Werke Aktiengesellschaft Device and method for controlling the lift of an outlet gas exchange charge cycle valve of an internal combustion engine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1328141A (en) * 1917-01-03 1920-01-13 Robert L Folks Internal-combustion engine
US1996807A (en) * 1933-09-25 1935-04-09 Gen Motors Corp Valve gear for operating dual valves
CN1018077B (en) * 1987-10-29 1992-09-02 联合讯号公司 Valve assembly of internal combustion engine
DE4035208A1 (en) * 1990-11-06 1992-02-13 Bayerische Motoren Werke Ag IC engine camshaft with separate cams - has cams formed of sintered material with necessary dimensional and geometric tolerances for operation
DE4112813A1 (en) * 1991-04-19 1992-10-22 Audi Ag DEVICE FOR ADJUSTING THE TIMING TIMES IN A TIMING DRIVE
JP3933288B2 (en) * 1998-02-13 2007-06-20 株式会社日立製作所 Variable valve operating device for internal combustion engine
DE10140461A1 (en) * 2001-08-17 2003-02-27 Bayerische Motoren Werke Ag Rotary actuator device for stroke control of a gas exchange valve in the cylinder head of an internal combustion engine
DE10252991A1 (en) * 2002-11-14 2004-05-27 Bayerische Motoren Werke Ag Tilting actuator system for inlet or exhaust valve in internal combustion engine has oscillating motor turning shaft with high-lift and low-lift cams engaging adjustable rocker pressing on valve stem
US7334550B2 (en) * 2003-02-14 2008-02-26 Jesel, Inc. Valve train and cam lobe
DE102004054773B4 (en) * 2004-11-12 2006-12-28 Bayerische Motoren Werke Ag Device for controlling the stroke course of a gas exchange valve of an internal combustion engine
GB2506197B (en) * 2012-09-25 2014-11-05 Camcon Auto Ltd Valve control systems for internal combustion engines and methods of operation thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727832A (en) * 1986-06-13 1988-03-01 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Roller rocker arm
EP0574867A1 (en) * 1992-06-19 1993-12-22 CENTRO RICERCHE FIAT Società Consortile per Azioni A device for operating a valve in an internal combustion engine
DE4419768A1 (en) * 1993-06-26 1995-01-05 Volkswagen Ag Variable valve gear for a lifting valve
EP0681092A1 (en) * 1994-05-06 1995-11-08 FIAT AUTO S.p.A. A valve control device for an internal combustion engine having a tappet clearance compensation device
US20030145818A1 (en) * 2002-02-07 2003-08-07 Morel Motorsports, Inc. Valve lifter
US20070209620A1 (en) * 2004-11-12 2007-09-13 Bayerische Motoren Werke Aktiengesellschaft Device and method for controlling the lift of an outlet gas exchange charge cycle valve of an internal combustion engine

Also Published As

Publication number Publication date
US20200157977A1 (en) 2020-05-21
EP3631175A1 (en) 2020-04-08
WO2018220372A1 (en) 2018-12-06
GB201708817D0 (en) 2017-07-19
GB2563064A (en) 2018-12-05
JP2020521913A (en) 2020-07-27
CN110770418A (en) 2020-02-07

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Legal Events

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

Effective date: 20230602