WO2022258224A1 - Commande d'huile pour culbuteur - Google Patents

Commande d'huile pour culbuteur Download PDF

Info

Publication number
WO2022258224A1
WO2022258224A1 PCT/EP2022/025266 EP2022025266W WO2022258224A1 WO 2022258224 A1 WO2022258224 A1 WO 2022258224A1 EP 2022025266 W EP2022025266 W EP 2022025266W WO 2022258224 A1 WO2022258224 A1 WO 2022258224A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
oil control
control assembly
accumulator
oil
Prior art date
Application number
PCT/EP2022/025266
Other languages
English (en)
Inventor
Majo Cecur
Original Assignee
Eaton Intelligent Power Limited
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 Eaton Intelligent Power Limited filed Critical Eaton Intelligent Power Limited
Publication of WO2022258224A1 publication Critical patent/WO2022258224A1/fr

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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • F01L1/146—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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
    • F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
    • F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
    • F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a 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
    • F01L1/26—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
    • 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
    • F01L2820/03—Auxiliary actuators
    • F01L2820/033—Hydraulic engines

Abstract

Un ensemble de commande d'huile peut comprendre une capsule comprenant : un premier piston ; un second piston ; et un mécanisme de sollicitation de capsule sollicitant le premier piston à partir du second piston ; le premier piston et le second piston délimitant une chambre servant à recevoir un fluide.
PCT/EP2022/025266 2021-06-10 2022-06-09 Commande d'huile pour culbuteur WO2022258224A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163209265P 2021-06-10 2021-06-10
US63/209,265 2021-06-10

Publications (1)

Publication Number Publication Date
WO2022258224A1 true WO2022258224A1 (fr) 2022-12-15

Family

ID=82163322

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/025266 WO2022258224A1 (fr) 2021-06-10 2022-06-09 Commande d'huile pour culbuteur

Country Status (1)

Country Link
WO (1) WO2022258224A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180306073A1 (en) * 2015-12-28 2018-10-25 Eaton Corporation Discrete variable valve lift engine systems and methods
WO2020058414A1 (fr) * 2018-09-19 2020-03-26 Eaton Intelligent Power Limited Ensemble dispositif de commande des soupapes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180306073A1 (en) * 2015-12-28 2018-10-25 Eaton Corporation Discrete variable valve lift engine systems and methods
WO2020058414A1 (fr) * 2018-09-19 2020-03-26 Eaton Intelligent Power Limited Ensemble dispositif de commande des soupapes

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