DE112020001855T5 - Ventilbrückenanordnung vom Querkolbentyp mit variabler Höhe - Google Patents

Ventilbrückenanordnung vom Querkolbentyp mit variabler Höhe Download PDF

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Publication number
DE112020001855T5
DE112020001855T5 DE112020001855.5T DE112020001855T DE112020001855T5 DE 112020001855 T5 DE112020001855 T5 DE 112020001855T5 DE 112020001855 T DE112020001855 T DE 112020001855T DE 112020001855 T5 DE112020001855 T5 DE 112020001855T5
Authority
DE
Germany
Prior art keywords
piston
plunger
valve bridge
oil passage
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.)
Pending
Application number
DE112020001855.5T
Other languages
German (de)
English (en)
Inventor
Youlin Wu
Fang Zhang
Hu WAN
Yu Fan
Qinghua Li
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.)
Dongfeng Commercial Vehicle Co Ltd
Original Assignee
Dongfeng Commercial Vehicle Co 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 Dongfeng Commercial Vehicle Co Ltd filed Critical Dongfeng Commercial Vehicle Co Ltd
Publication of DE112020001855T5 publication Critical patent/DE112020001855T5/de
Pending legal-status Critical Current

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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
    • F01L1/20—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
    • F01L1/2422—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means or a hydraulic adjusting device located between the push rod and rocker arm
    • 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
    • F01L1/20—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
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/10—Auxiliary actuators for variable valve timing
    • F01L2013/105—Hydraulic motors
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/02—Formulas

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)
DE112020001855.5T 2020-04-24 2020-07-02 Ventilbrückenanordnung vom Querkolbentyp mit variabler Höhe Pending DE112020001855T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202010334819.7 2020-04-24
CN202010334819.7A CN111502791A (zh) 2020-04-24 2020-04-24 一种横置柱塞式可变高度的气门桥总成
PCT/CN2020/099813 WO2021212663A1 (zh) 2020-04-24 2020-07-02 一种横置柱塞式可变高度气门桥总成

Publications (1)

Publication Number Publication Date
DE112020001855T5 true DE112020001855T5 (de) 2022-01-13

Family

ID=71871333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112020001855.5T Pending DE112020001855T5 (de) 2020-04-24 2020-07-02 Ventilbrückenanordnung vom Querkolbentyp mit variabler Höhe

Country Status (5)

Country Link
CN (1) CN111502791A (zh)
DE (1) DE112020001855T5 (zh)
PL (1) PL242174B1 (zh)
WO (1) WO2021212663A1 (zh)
ZA (1) ZA202108372B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112177703B (zh) * 2020-12-02 2021-02-12 江苏卓联精密机械有限公司 推杆发动机用自复位单气门主副活塞液压驱动装置及方法
CN113898439A (zh) * 2021-08-30 2022-01-07 东风商用车有限公司 可改变气门运动的气门桥
CN113931712B (zh) * 2021-09-30 2023-06-02 东风商用车有限公司 一种可变气门升程的摇臂总成
CN115949483B (zh) * 2023-03-10 2023-06-13 龙口中宇热管理系统科技有限公司 一种发动机缸内制动机构及工作方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6691674B2 (en) * 2001-06-13 2004-02-17 Diesel Engine Retarders, Inc. Latched reset mechanism for engine brake
CN102003240B (zh) * 2009-08-31 2013-01-16 上海尤顺汽车部件有限公司 一种发动机制动装置的改进结构
WO2013014490A1 (en) * 2011-07-22 2013-01-31 Renault Trucks Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism
CN110486114B (zh) * 2019-08-26 2020-10-02 东风商用车有限公司 集成式发动机制动执行活塞
CN212318107U (zh) * 2020-04-24 2021-01-08 东风商用车有限公司 一种横置柱塞式可变高度的气门桥总成

Also Published As

Publication number Publication date
PL439699A1 (pl) 2022-06-06
ZA202108372B (en) 2022-09-28
CN111502791A (zh) 2020-08-07
PL242174B1 (pl) 2023-01-23
WO2021212663A1 (zh) 2021-10-28

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