EP4716795A1 - Hydraulischer kipphebel für einen verbrennungsmotor - Google Patents

Hydraulischer kipphebel für einen verbrennungsmotor

Info

Publication number
EP4716795A1
EP4716795A1 EP24729237.8A EP24729237A EP4716795A1 EP 4716795 A1 EP4716795 A1 EP 4716795A1 EP 24729237 A EP24729237 A EP 24729237A EP 4716795 A1 EP4716795 A1 EP 4716795A1
Authority
EP
European Patent Office
Prior art keywords
rocker arm
hydraulic
valve
relief valve
pressure relief
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
EP24729237.8A
Other languages
English (en)
French (fr)
Inventor
Michael Karlin
Ulric LINDBERG
Johan Mohlin
Sasan SARMAST
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.)
Gnutti Carlo Sweden AB
Original Assignee
Gnutti Carlo Sweden AB
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 Gnutti Carlo Sweden AB filed Critical Gnutti Carlo Sweden AB
Publication of EP4716795A1 publication Critical patent/EP4716795A1/de
Pending legal-status Critical Current

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
    • F01L1/18—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
    • 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
    • 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
    • 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
    • F01L1/2416—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device attached to an articulated rocker
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
    • 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
    • F01L2001/2438—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically with means permitting forced opening of check 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
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
EP24729237.8A 2023-05-23 2024-05-23 Hydraulischer kipphebel für einen verbrennungsmotor Pending EP4716795A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2350627A SE547384C2 (en) 2023-05-23 2023-05-23 A hydraulic rocker arm for a combustion engine
PCT/EP2024/064267 WO2024240889A1 (en) 2023-05-23 2024-05-23 A hydraulic rocker arm for a combustion engine

Publications (1)

Publication Number Publication Date
EP4716795A1 true EP4716795A1 (de) 2026-04-01

Family

ID=91302366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24729237.8A Pending EP4716795A1 (de) 2023-05-23 2024-05-23 Hydraulischer kipphebel für einen verbrennungsmotor

Country Status (3)

Country Link
EP (1) EP4716795A1 (de)
SE (1) SE547384C2 (de)
WO (1) WO2024240889A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107803A (en) * 1991-02-15 1992-04-28 Alan Furnivall Split-action rocker arm
DE60045108D1 (de) * 1999-12-20 2010-11-25 Jacobs Vehicle Systems Inc Verfahren und vorrichtung zum hydraulischen an- und loskoppeln einer motorbremse mittels totgang
KR101509964B1 (ko) * 2013-11-07 2015-04-07 현대자동차주식회사 로커암 통합형 액추에이터를 가진 엔진브레이크 조립체 및 작동방법
BR112017005467B1 (pt) * 2014-09-18 2022-05-17 Eaton Srl Conjunto de balancim de válvula de escape
CN205477808U (zh) * 2016-04-05 2016-08-17 浙江和日摇臂有限公司 一种排气制动摇臂
CN111295500B (zh) * 2017-12-21 2022-05-03 沃尔沃卡车集团 用于内燃机发动机的阀致动系统
WO2019195511A1 (en) * 2018-04-04 2019-10-10 Pacbrake Company Lost motion exhaust rocker engine brake system with actuation solenoid valve and method of operation
SE545489C2 (en) * 2020-12-18 2023-09-26 Gnutti Carlo Sweden Ab Rocker arm valve mechanism

Also Published As

Publication number Publication date
SE547384C2 (en) 2025-07-29
SE2350627A1 (en) 2024-11-24
WO2024240889A1 (en) 2024-11-28

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