CA3034548C - Variable valve tappet - Google Patents

Variable valve tappet Download PDF

Info

Publication number
CA3034548C
CA3034548C CA3034548A CA3034548A CA3034548C CA 3034548 C CA3034548 C CA 3034548C CA 3034548 A CA3034548 A CA 3034548A CA 3034548 A CA3034548 A CA 3034548A CA 3034548 C CA3034548 C CA 3034548C
Authority
CA
Canada
Prior art keywords
tappet
oil
base
valve
push rod
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
CA3034548A
Other languages
English (en)
French (fr)
Other versions
CA3034548A1 (en
Inventor
Wei Tian
Jiahui ZHAO
Zhiqiang Han
Xun Zhang
Zhi Liu
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 CA3034548A1 publication Critical patent/CA3034548A1/en
Application granted granted Critical
Publication of CA3034548C publication Critical patent/CA3034548C/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)
CA3034548A 2016-09-22 2016-10-20 Variable valve tappet Expired - Fee Related CA3034548C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201610841364.1 2016-09-22
CN201610841364.1A CN106285811B (zh) 2016-09-22 2016-09-22 一种可变气门挺柱
PCT/CN2016/102665 WO2018053892A1 (zh) 2016-09-22 2016-10-20 一种可变气门挺柱

Publications (2)

Publication Number Publication Date
CA3034548A1 CA3034548A1 (en) 2018-03-29
CA3034548C true CA3034548C (en) 2019-06-04

Family

ID=57712651

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3034548A Expired - Fee Related CA3034548C (en) 2016-09-22 2016-10-20 Variable valve tappet

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116201620B (zh) * 2023-01-31 2024-05-17 重庆长安汽车股份有限公司 一种液压挺柱、发动机及车辆

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 (ja) * 1983-02-10 1984-08-24 Isuzu Motors Ltd 内燃機関のバルブ開閉制御装置
DE3742831A1 (de) * 1987-12-17 1989-07-13 Kloeckner Humboldt Deutz Ag Zweipunkt-spritzversteller
DE19804323A1 (de) * 1998-02-04 1999-08-05 Schaeffler Waelzlager Ohg Auf unterschiedliche Hübe umschaltbarer Tassenstößel
US6357406B1 (en) * 2000-11-22 2002-03-19 Borgwarner Inc. Variable valve actuation system
KR100534833B1 (ko) * 2004-03-26 2005-12-08 현대자동차주식회사 자동차 엔진의 가변 밸브 리프트 장치
FI124107B (fi) * 2006-06-30 2014-03-14 Wärtsilä Finland Oy Mäntämoottorin kaasunvaihtoventtiilin ohjausjärjestely ja menetelmä mäntämoottorin kaasunvaihtoventtiilin ohjaamiseksi
CN201588701U (zh) * 2009-12-11 2010-09-22 吴爽 无级可变气门升程机构
CN103742216A (zh) * 2014-01-24 2014-04-23 赵迎生 一种可变升程液力挺柱
CN104454070B (zh) * 2014-10-27 2017-03-01 中北大学 一种基于凸轮轴的气门升程连续可变的电控液压调节机构
CN104481625A (zh) * 2014-11-13 2015-04-01 浙江师范大学 一种可变配气相位系统
CN104564206A (zh) * 2015-01-23 2015-04-29 吉林大学 凸轮驱动式内燃机液压全可变气门机构
CN206071662U (zh) * 2016-09-22 2017-04-05 西华大学 一种可变气门挺柱

Also Published As

Publication number Publication date
CN106285811A (zh) 2017-01-04
CN106285811B (zh) 2018-10-19
CA3034548A1 (en) 2018-03-29
GB2568621B (en) 2019-10-09
GB2568621A (en) 2019-05-22
GB201903051D0 (en) 2019-04-24
WO2018053892A1 (zh) 2018-03-29

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Effective date: 20190221

MKLA Lapsed

Effective date: 20211020