GB2553120B - Variable valve lift system with a diffusing system - Google Patents

Variable valve lift system with a diffusing system

Info

Publication number
GB2553120B
GB2553120B GB201614407A GB201614407A GB2553120B GB 2553120 B GB2553120 B GB 2553120B GB 201614407 A GB201614407 A GB 201614407A GB 201614407 A GB201614407 A GB 201614407A GB 2553120 B GB2553120 B GB 2553120B
Authority
GB
United Kingdom
Prior art keywords
variable valve
valve lift
diffusing
lift system
diffusing system
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
GB201614407A
Other versions
GB201614407D0 (en
GB2553120A (en
Inventor
James Peacock Christopher
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 GB201614407A priority Critical patent/GB2553120B/en
Publication of GB201614407D0 publication Critical patent/GB201614407D0/en
Priority to PCT/EP2017/061192 priority patent/WO2018036669A1/en
Priority to DE112017004222.4T priority patent/DE112017004222T5/en
Publication of GB2553120A publication Critical patent/GB2553120A/en
Application granted granted Critical
Publication of GB2553120B publication Critical patent/GB2553120B/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
    • 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
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • 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
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • 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
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid 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
    • F01L2810/00—Arrangements solving specific problems in relation with valve gears
    • F01L2810/05—Related to pressure difference on both sides of a valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
GB201614407A 2016-08-24 2016-08-24 Variable valve lift system with a diffusing system Active GB2553120B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB201614407A GB2553120B (en) 2016-08-24 2016-08-24 Variable valve lift system with a diffusing system
PCT/EP2017/061192 WO2018036669A1 (en) 2016-08-24 2017-05-10 Variable valve lift system
DE112017004222.4T DE112017004222T5 (en) 2016-08-24 2017-05-10 Variable valve lift system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201614407A GB2553120B (en) 2016-08-24 2016-08-24 Variable valve lift system with a diffusing system

Publications (3)

Publication Number Publication Date
GB201614407D0 GB201614407D0 (en) 2016-10-05
GB2553120A GB2553120A (en) 2018-02-28
GB2553120B true GB2553120B (en) 2019-12-25

Family

ID=57045519

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201614407A Active GB2553120B (en) 2016-08-24 2016-08-24 Variable valve lift system with a diffusing system

Country Status (3)

Country Link
DE (1) DE112017004222T5 (en)
GB (1) GB2553120B (en)
WO (1) WO2018036669A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09100706A (en) * 1995-10-03 1997-04-15 New Sulzer Diesel Ag Hydraulic type valve driving device
JPH11236809A (en) * 1998-02-23 1999-08-31 Aisin Seiki Co Ltd Variable valve device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007054376A1 (en) * 2007-11-14 2009-05-20 Schaeffler Kg Hydraulic unit for a cylinder head of an internal combustion engine with hydraulically variable valve train
DE102009011982A1 (en) * 2009-03-05 2010-09-09 Schaeffler Technologies Gmbh & Co. Kg Hydraulic unit for a cylinder head of an internal combustion engine with hydraulically variable gas exchange valve drive
DE102010018209A1 (en) * 2010-04-26 2011-10-27 Schaeffler Technologies Gmbh & Co. Kg Hydraulic unit for a cylinder head of an internal combustion engine with hydraulically variable gas exchange valve drive
GB2528087B (en) * 2014-07-09 2018-10-03 Jaguar Land Rover Ltd Vehicle transmission control method for a continuously variable valve lift system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09100706A (en) * 1995-10-03 1997-04-15 New Sulzer Diesel Ag Hydraulic type valve driving device
JPH11236809A (en) * 1998-02-23 1999-08-31 Aisin Seiki Co Ltd Variable valve device

Also Published As

Publication number Publication date
GB201614407D0 (en) 2016-10-05
WO2018036669A1 (en) 2018-03-01
GB2553120A (en) 2018-02-28
DE112017004222T5 (en) 2019-05-23

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