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1. WO2020227490 - VALVE CLEARANCE SETTING AND ADJUSTMENT COMPONENTS AND SYSTEMS AND METHODS OF USING THE SAME

Publication Number WO/2020/227490
Publication Date 12.11.2020
International Application No. PCT/US2020/031810
International Filing Date 07.05.2020
IPC
F01L 1/20 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
20Adjusting or compensating clearance, i.e. lash adjustment
CPC
F01L 1/181
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
F01L 1/20
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
20Adjusting or compensating clearance
F01L 2303/01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
2303Manufacturing of components used in valve arrangements
01Tools for producing, mounting or adjusting, e.g. some part of the distribution
F01L 2820/01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
2820Details on specific features characterising valve gear arrangements
01Absolute values
Applicants
  • FAWLEY, Bradford R. [US]/[US]
Inventors
  • FAWLEY, Bradford R.
Agents
  • MCGRATH, Kevin, C.
Priority Data
62/845,62909.05.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) VALVE CLEARANCE SETTING AND ADJUSTMENT COMPONENTS AND SYSTEMS AND METHODS OF USING THE SAME
(FR) COMPOSANTS D'ÉTABLISSEMENT ET D'AJUSTEMENT DE JEU DE SOUPAPE ET SYSTÈMES ET PROCÉDÉS D'UTILISATION DE CEUX-CI
Abstract
(EN)
Valve clearance adjustment systems and related methods that can be used to quickly and easily establish and accurately fix a desired and consistent and replicable valve clearance gap in internal combustion engines with shaft mounted rocker arms where a manual valve lash adjustment is required. In some examples, valve adjustment systems include valve adjustment members that are movably disposed in rocker arms and that can be easily and selectively fixed in place in the rocker arm. Aspects also include indexing mechanisms (734, 822, 838) for quickly and easily setting a desired position of a valve adjustment screw in a rocker arm without needing to use a feeler gauge.
(FR)
L'invention concerne des systèmes d'ajustement de jeu de soupape et des procédés associés, lesquels peuvent être utilisés de façon à établir rapidement et facilement et à fixer avec précision un espace de jeu de soupape souhaité et constant et reproductible dans des moteurs à combustion interne avec des culbuteurs montés sur un arbre où un ajustement manuel de jeu de soupape est requis. Dans certains exemples, des systèmes d'ajustement de soupape comprennent des éléments d'ajustement de soupape qui sont disposés de façon mobile dans des culbuteurs et qui peuvent être fixés facilement et de façon sélective en place dans le culbuteur. Des aspects de l'invention concernent également des mécanismes d'indexage (734, 822, 838) pour établir rapidement et facilement une position souhaitée d'une vis d'ajustement de soupape dans un culbuteur sans avoir besoin d'utiliser une cale d'épaisseur.
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