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1. WO2021110286 - ROCKER ARM, REACTION BAR AND VALVETRAIN

Publication Number WO/2021/110286
Publication Date 10.06.2021
International Application No. PCT/EP2020/025554
International Filing Date 01.12.2020
IPC
F01L 1/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1Valve-gear or valve arrangements, e.g. lift-valve gear
12Transmitting-gear between valve drive and valve
18Rocking arms or levers
F01L 13/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
13Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
F01L 13/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
13Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
06for braking
F01L 1/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1Valve-gear or valve arrangements, e.g. lift-valve gear
12Transmitting-gear between valve drive and valve
14Tappets; Push-rods
CPC
F01L 1/146
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1Valve-gear or valve arrangements, e.g. lift-valve gear
12Transmitting gear between valve drive and valve
14Tappets
146Push-rods
F01L 1/182
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1Valve-gear or valve arrangements, e.g. lift-valve gear
12Transmitting gear between valve drive and valve
18Rocking arms or levers
181Centre pivot rocking arms
182the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
F01L 13/0021
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
13Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
0015for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
0021by modification of rocker arm ratio
F01L 13/065
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
13Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
06for braking
065Compression release engine retarders of the "Jacobs Manufacturing" type
F01L 2001/187
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
1Valve-gear or valve arrangements, e.g. lift-valve gear
12Transmitting gear between valve drive and valve
18Rocking arms or levers
187Clips, e.g. for retaining rocker arm on pivot
F01L 2013/105
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
13Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
10Auxiliary actuators for variable valve timing
105Hydraulic motors
Applicants
  • EATON INTELLIGENT POWER LIMITED [IE]/[IE]
Inventors
  • VAN WINGERDEN, Mark
Agents
  • BRP RENAUD UND PARTNER MBB
Priority Data
62/942,26302.12.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ROCKER ARM, REACTION BAR AND VALVETRAIN
(FR) CULBUTEUR, BARRE DE RÉACTION ET DISPOSITIF DE COMMANDE DE SOUPAPES
Abstract
(EN)
A rocker arm can comprise a body panel comprising a reaction opening, a valve end and a pivot end. The reaction opening can comprise a first reaction seat and a second reaction seat. A first pivot can be positioned in the first reaction seat about which the first reaction seat can selectively rotate. A second pivot can be positioned movably in the reaction opening and can be configured to selectively abut the second reaction seat about which the second pivot can selectively rotate. A reaction bar can be positioned in the reaction opening. The reaction bar can be configured to press the first pivot against the first reaction seat. The reaction bar can be positioned to selectively press the second pivot against the second reaction seat.
(FR)
La présente invention porte sur un culbuteur qui peut comprendre un panneau de corps comprenant une ouverture de réaction, une extrémité de soupape et une extrémité de pivot. L'ouverture de réaction peut comprendre un premier siège de réaction et un second siège de réaction. Un premier pivot peut être positionné dans le premier siège de réaction autour duquel le premier siège de réaction peut tourner de manière sélective. Un second pivot peut être positionné de manière mobile dans l'ouverture de réaction et peut être configuré pour venir en butée de manière sélective contre le second siège de réaction autour duquel le second pivot peut tourner de manière sélective. Une barre de réaction peut être positionnée dans l'ouverture de réaction. La barre de réaction peut être configurée pour presser le premier pivot contre le premier siège de réaction. La barre de réaction peut être positionnée pour presser sélectivement le second pivot contre le second siège de réaction.
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