GB201903051D0 - Variable valve tappet - Google Patents

Variable valve tappet

Info

Publication number
GB201903051D0
GB201903051D0 GBGB1903051.9A GB201903051A GB201903051D0 GB 201903051 D0 GB201903051 D0 GB 201903051D0 GB 201903051 A GB201903051 A GB 201903051A GB 201903051 D0 GB201903051 D0 GB 201903051D0
Authority
GB
United Kingdom
Prior art keywords
variable valve
valve tappet
tappet
variable
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.)
Granted
Application number
GBGB1903051.9A
Other versions
GB2568621B (en
GB2568621A (en
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.)
Xihua University
Original Assignee
Xihua University
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 Xihua University filed Critical Xihua University
Publication of GB201903051D0 publication Critical patent/GB201903051D0/en
Publication of GB2568621A publication Critical patent/GB2568621A/en
Application granted granted Critical
Publication of GB2568621B publication Critical patent/GB2568621B/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
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • 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
    • F01L13/0031—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 by modification of tappet or pushrod length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB1903051.9A 2016-09-22 2016-10-20 Variable valve tappet Expired - Fee Related GB2568621B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610841364.1A CN106285811B (en) 2016-09-22 2016-09-22 A kind of changeable air valve tappet
PCT/CN2016/102665 WO2018053892A1 (en) 2016-09-22 2016-10-20 Variable valve tappet

Publications (3)

Publication Number Publication Date
GB201903051D0 true GB201903051D0 (en) 2019-04-24
GB2568621A GB2568621A (en) 2019-05-22
GB2568621B GB2568621B (en) 2019-10-09

Family

ID=57712651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1903051.9A Expired - Fee Related GB2568621B (en) 2016-09-22 2016-10-20 Variable valve tappet

Country Status (4)

Country Link
CN (1) CN106285811B (en)
CA (1) CA3034548C (en)
GB (1) GB2568621B (en)
WO (1) WO2018053892A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116201620B (en) * 2023-01-31 2024-05-17 重庆长安汽车股份有限公司 Hydraulic tappet, engine and vehicle

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB566959A (en) * 1944-06-16 1945-01-22 Thomas Hindle Improvements in tappet mechanism for actuating poppet or like valves for internal combustion and other engines
GB627281A (en) * 1947-09-18 1949-08-04 Bernard Michael Francis Samuel Improvements in or relating to hydraulic tappets
JPS54121314A (en) * 1978-03-13 1979-09-20 Toyota Motor Corp Valve lift varying mechanism for internal combustion engine
JPS54155309A (en) * 1978-05-27 1979-12-07 Nissan Motor Co Ltd Valve moving system for internal combustion engine
JPS59147806A (en) * 1983-02-10 1984-08-24 Isuzu Motors Ltd Valve opening and closing control device in internal-combustion engine
DE3742831A1 (en) * 1987-12-17 1989-07-13 Kloeckner Humboldt Deutz Ag TWO-POINT SPRAY ADJUSTER
DE19804323A1 (en) * 1998-02-04 1999-08-05 Schaeffler Waelzlager Ohg Motor vehicle gas change valve tappet switching
US6357406B1 (en) * 2000-11-22 2002-03-19 Borgwarner Inc. Variable valve actuation system
KR100534833B1 (en) * 2004-03-26 2005-12-08 현대자동차주식회사 A variable valve lift apparatus of engine in automobile
FI124107B (en) * 2006-06-30 2014-03-14 Wärtsilä Finland Oy Piston Engine Gas Exchange Valve Control Arrangement and Method for Controlling a Piston Engine Gas Exchange Valve
CN201588701U (en) * 2009-12-11 2010-09-22 吴爽 Stepless variable valve lifting mechanism
CN103742216A (en) * 2014-01-24 2014-04-23 赵迎生 Lift-variable hydraulic tappet
CN104454070B (en) * 2014-10-27 2017-03-01 中北大学 A kind of electric-controlled hydraulic governor motion of the valve stroke continuous variable based on camshaft
CN104481625A (en) * 2014-11-13 2015-04-01 浙江师范大学 Variable valve timing system
CN104564206A (en) * 2015-01-23 2015-04-29 吉林大学 Cam-driven hydraulic fully variably valve mechanism of internal combustion engine
CN206071662U (en) * 2016-09-22 2017-04-05 西华大学 A kind of changeable air valve tappet

Also Published As

Publication number Publication date
GB2568621B (en) 2019-10-09
CA3034548A1 (en) 2018-03-29
CA3034548C (en) 2019-06-04
CN106285811A (en) 2017-01-04
WO2018053892A1 (en) 2018-03-29
CN106285811B (en) 2018-10-19
GB2568621A (en) 2019-05-22

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