GB2606210B - Exhaust valve actuation unit for a multi-valve engine - Google Patents

Exhaust valve actuation unit for a multi-valve engine Download PDF

Info

Publication number
GB2606210B
GB2606210B GB2106169.2A GB202106169A GB2606210B GB 2606210 B GB2606210 B GB 2606210B GB 202106169 A GB202106169 A GB 202106169A GB 2606210 B GB2606210 B GB 2606210B
Authority
GB
United Kingdom
Prior art keywords
actuation unit
valve
engine
exhaust valve
valve actuation
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.)
Active
Application number
GB2106169.2A
Other versions
GB2606210A (en
GB202106169D0 (en
Inventor
Guisasola Inigo
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.)
Caterpillar Energy Solutions GmbH
Original Assignee
Caterpillar Energy Solutions GmbH
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 Caterpillar Energy Solutions GmbH filed Critical Caterpillar Energy Solutions GmbH
Priority to GB2106169.2A priority Critical patent/GB2606210B/en
Publication of GB202106169D0 publication Critical patent/GB202106169D0/en
Priority to PCT/EP2022/025174 priority patent/WO2022228725A1/en
Publication of GB2606210A publication Critical patent/GB2606210A/en
Application granted granted Critical
Publication of GB2606210B publication Critical patent/GB2606210B/en
Active 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • 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
    • 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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • F01L1/462—Valve return spring arrangements
    • 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
    • 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
    • F01L2800/06—Timing or lift different for valves of same cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB2106169.2A 2021-04-29 2021-04-29 Exhaust valve actuation unit for a multi-valve engine Active GB2606210B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2106169.2A GB2606210B (en) 2021-04-29 2021-04-29 Exhaust valve actuation unit for a multi-valve engine
PCT/EP2022/025174 WO2022228725A1 (en) 2021-04-29 2022-04-22 Exhaust valve actuation unit for a multi-valve engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2106169.2A GB2606210B (en) 2021-04-29 2021-04-29 Exhaust valve actuation unit for a multi-valve engine

Publications (3)

Publication Number Publication Date
GB202106169D0 GB202106169D0 (en) 2021-06-16
GB2606210A GB2606210A (en) 2022-11-02
GB2606210B true GB2606210B (en) 2024-01-17

Family

ID=76300968

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2106169.2A Active GB2606210B (en) 2021-04-29 2021-04-29 Exhaust valve actuation unit for a multi-valve engine

Country Status (2)

Country Link
GB (1) GB2606210B (en)
WO (1) WO2022228725A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090266317A1 (en) * 2006-12-12 2009-10-29 Meacock William A Valve opening arrangement and method
WO2015120897A1 (en) * 2014-02-14 2015-08-20 Eaton Srl Rocker arm assembly for engine braking

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3043349B2 (en) * 1989-12-12 2000-05-22 株式会社いすゞセラミックス研究所 Electromagnetic force valve drive control device
GB2442549A (en) * 2007-08-17 2008-04-09 Ford Global Tech Llc A valvetrain for operating two valves from a single camshaft lobe using a single pushrod
CN106150589B (en) * 2015-04-28 2019-01-15 上海尤顺汽车部件有限公司 A kind of list valve compression-release valve bridge brake apparatus and method
GB2540736A (en) * 2015-06-24 2017-02-01 Eaton Srl Valvetrain for diesel engine having de-compression engine brake
GB2552499B (en) * 2016-07-26 2019-11-27 Jaguar Land Rover Ltd Apparatus for controlling valves using a hydraulic control system
CN109642478B (en) * 2016-08-31 2021-04-13 雅各布斯车辆系统公司 Removable valve bridge and valve actuation system including same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090266317A1 (en) * 2006-12-12 2009-10-29 Meacock William A Valve opening arrangement and method
WO2015120897A1 (en) * 2014-02-14 2015-08-20 Eaton Srl Rocker arm assembly for engine braking

Also Published As

Publication number Publication date
WO2022228725A1 (en) 2022-11-03
GB2606210A (en) 2022-11-02
GB202106169D0 (en) 2021-06-16

Similar Documents

Publication Publication Date Title
GB2454314B (en) A valve operating system for a reciprocating internal combustion engine
PL2010758T3 (en) Hydraulic support element for a lever-like cam follower of a valve drive of an internal combustion engine
FI20065460A (en) Piston Engine Gas Exchange Valve Control Arrangement and Method for Controlling a Piston Engine Gas Exchange Valve
GB2452196B (en) Method of operating an internal combustion engine arrangement having a controllable high pressure stop valve
FI20051195A0 (en) Valve actuator for gas exchange valves for internal combustion engine
EP2082119A4 (en) Valve seat insert for a piston engine
EP2171224A4 (en) Exhaust valve mechanism for an internal combustion engine
EP3947926A4 (en) Poppet valve for internal combustion engine
EP3966438A4 (en) Lash adjuster control in engine valve actuation systems
GB2606210B (en) Exhaust valve actuation unit for a multi-valve engine
GB201021074D0 (en) Electromechanical valve for the pneumatic actuation of a device of an internal combustion engine
FI20050056A (en) Actuator for gas exchange valves for internal combustion machinery
GB0715883D0 (en) A poppet valve for an internal combustion engine
GB2598830B (en) Exhaust tract for a combustion engine
GB0704807D0 (en) Variable valve actuation system for an internal combustion engine
HK1102615A1 (en) Valve rotating mechanism for exhaust valves of marine engines
EP4001611C0 (en) A piston arrangement for a clean combustion engine
GB2620590B (en) Rocker arm for a piston engine valve, valve assembly, and piston engine
IL314874A (en) Valve for a rocket engine
GB2580733B (en) A rotary valve internal combustion engine
EP4129525A4 (en) Method for manufacturing engine poppet valve
GB2577397B (en) A rotary valve internal combustion engine
EP4065821C0 (en) Camshaft with phasing device for multicylinder internal combustion engine with poppet valves
GB2576906B (en) A rotary valve internal combustion engine
GB2576903B (en) A rotary valve internal combustion engine