GB2593102B - Engine valve actuation - Google Patents

Engine valve actuation Download PDF

Info

Publication number
GB2593102B
GB2593102B GB2107306.9A GB202107306A GB2593102B GB 2593102 B GB2593102 B GB 2593102B GB 202107306 A GB202107306 A GB 202107306A GB 2593102 B GB2593102 B GB 2593102B
Authority
GB
United Kingdom
Prior art keywords
engine valve
valve actuation
actuation
engine
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.)
Active
Application number
GB2107306.9A
Other versions
GB202107306D0 (en
GB2593102A (en
Inventor
Tyrrell Richard
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.)
Jaguar Land Rover Ltd
Original Assignee
Jaguar Land Rover 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 Jaguar Land Rover Ltd filed Critical Jaguar Land Rover Ltd
Priority to GB2107306.9A priority Critical patent/GB2593102B/en
Publication of GB202107306D0 publication Critical patent/GB202107306D0/en
Publication of GB2593102A publication Critical patent/GB2593102A/en
Application granted granted Critical
Publication of GB2593102B publication Critical patent/GB2593102B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/30Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20Valve-gear or valve arrangements actuated non-mechanically by electric means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08Shape of cams
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F01L9/22Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by rotary motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/40Methods of operation thereof; Control of valve actuation, e.g. duration or lift
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/18Rocking arms or levers
    • F01L1/185Overhead end-pivot rocking arms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20Adjusting or compensating clearance
    • F01L1/22Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2305/00Valve arrangements comprising rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Device For Special Equipments (AREA)
GB2107306.9A 2018-12-19 2018-12-19 Engine valve actuation Active GB2593102B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2107306.9A GB2593102B (en) 2018-12-19 2018-12-19 Engine valve actuation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1820684.7A GB2580031B (en) 2018-12-19 2018-12-19 Electromagnetic engine valve actuator
GB2107306.9A GB2593102B (en) 2018-12-19 2018-12-19 Engine valve actuation

Publications (3)

Publication Number Publication Date
GB202107306D0 GB202107306D0 (en) 2021-07-07
GB2593102A GB2593102A (en) 2021-09-15
GB2593102B true GB2593102B (en) 2022-03-16

Family

ID=65147199

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1820684.7A Active GB2580031B (en) 2018-12-19 2018-12-19 Electromagnetic engine valve actuator
GB2107306.9A Active GB2593102B (en) 2018-12-19 2018-12-19 Engine valve actuation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1820684.7A Active GB2580031B (en) 2018-12-19 2018-12-19 Electromagnetic engine valve actuator

Country Status (1)

Country Link
GB (2) GB2580031B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554721A (en) * 2016-10-06 2018-04-11 Camcon Auto Ltd Electromagnetic actuator and methods of operation thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554722A (en) * 2016-10-06 2018-04-11 Camcon Auto Ltd An actuation apparatus and methods of operation thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554721A (en) * 2016-10-06 2018-04-11 Camcon Auto Ltd Electromagnetic actuator and methods of operation thereof

Also Published As

Publication number Publication date
GB202107306D0 (en) 2021-07-07
GB2580031B (en) 2021-07-07
GB2593102A (en) 2021-09-15
GB2580031A (en) 2020-07-15
GB201820684D0 (en) 2019-01-30

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