SE547384C2 - A hydraulic rocker arm for a combustion engine - Google Patents

A hydraulic rocker arm for a combustion engine

Info

Publication number
SE547384C2
SE547384C2 SE2350627A SE2350627A SE547384C2 SE 547384 C2 SE547384 C2 SE 547384C2 SE 2350627 A SE2350627 A SE 2350627A SE 2350627 A SE2350627 A SE 2350627A SE 547384 C2 SE547384 C2 SE 547384C2
Authority
SE
Sweden
Prior art keywords
rocker arm
hydraulic
valve
relief valve
pressure relief
Prior art date
Application number
SE2350627A
Other languages
English (en)
Swedish (sv)
Other versions
SE2350627A1 (en
Inventor
Johan Mohlin
Michael Karlin
Sasan Sarmast
Ulric Lindberg
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
Priority to SE2350627A priority Critical patent/SE547384C2/en
Priority to PCT/EP2024/064267 priority patent/WO2024240889A1/en
Priority to EP24729237.8A priority patent/EP4716795A1/de
Publication of SE2350627A1 publication Critical patent/SE2350627A1/en
Publication of SE547384C2 publication Critical patent/SE547384C2/en

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)
SE2350627A 2023-05-23 2023-05-23 A hydraulic rocker arm for a combustion engine SE547384C2 (en)

Priority Applications (3)

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
EP24729237.8A EP4716795A1 (de) 2023-05-23 2024-05-23 Hydraulischer kipphebel für einen verbrennungsmotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2350627A SE547384C2 (en) 2023-05-23 2023-05-23 A hydraulic rocker arm for a combustion engine

Publications (2)

Publication Number Publication Date
SE2350627A1 SE2350627A1 (en) 2024-11-24
SE547384C2 true SE547384C2 (en) 2025-07-29

Family

ID=91302366

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2350627A SE547384C2 (en) 2023-05-23 2023-05-23 A hydraulic rocker arm for a combustion engine

Country Status (3)

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

Citations (6)

* 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
US20010027773A1 (en) * 1999-12-20 2001-10-11 Robb Janak Method and apparatus for hydraulic clip and reset of engine brake systems utilizing lost motion
US20150122222A1 (en) * 2013-11-07 2015-05-07 Kia Motors Corporation Engine brake apparatus with rocker arm integrated actuator
US20190145291A1 (en) * 2014-09-18 2019-05-16 Eaton Intelligent Power Limited Rocker arm assembly for engine braking
WO2022131996A1 (en) * 2020-12-18 2022-06-23 Gnutti Carlo Sweden Ab Rocker arm valve mechanism
US20220251979A1 (en) * 2018-04-04 2022-08-11 Pacbrake Company Lost motion exhaust rocker engine brake system with actuation solenoid valve and method of operation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (6)

* 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
US20010027773A1 (en) * 1999-12-20 2001-10-11 Robb Janak Method and apparatus for hydraulic clip and reset of engine brake systems utilizing lost motion
US20150122222A1 (en) * 2013-11-07 2015-05-07 Kia Motors Corporation Engine brake apparatus with rocker arm integrated actuator
US20190145291A1 (en) * 2014-09-18 2019-05-16 Eaton Intelligent Power Limited Rocker arm assembly for engine braking
US20220251979A1 (en) * 2018-04-04 2022-08-11 Pacbrake Company Lost motion exhaust rocker engine brake system with actuation solenoid valve and method of operation
WO2022131996A1 (en) * 2020-12-18 2022-06-23 Gnutti Carlo Sweden Ab Rocker arm valve mechanism

Also Published As

Publication number Publication date
SE2350627A1 (en) 2024-11-24
EP4716795A1 (de) 2026-04-01
WO2024240889A1 (en) 2024-11-28

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