DUAL LIFT ROCKER ARM LATCH MECHANISM ANDACTUATION ARRANGEMENT THEREFOR

A valve control system for an engine having a camshaft with first and second cam profiles, the valve control system comprising a rocker arm assembly including a first rocker arm having a first cam follower in engagement with the first cam profile, and a second rocker arm having a second cam follower...

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Bibliographic Details
Main Authors HARMAN, ANDREW P, GENISE, DAVID G
Format Patent
LanguageEnglish
Polish
Published 30.11.2012
Subjects
BLASTING
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:A valve control system for an engine having a camshaft with first and second cam profiles, the valve control system comprising a rocker arm assembly including a first rocker arm having a first cam follower in engagement with the first cam profile, and a second rocker arm having a second cam follower in engagement with the second cam profile. The first rocker arm includes a latch member biased toward a latched condition by a fluid pressure in a chamber, and the first rocker arm defines a fluid passage having a first end in open fluid communication with the pressure source, and a second end in open fluid communication with the pressure chamber. An alignment feature cooperates with the latch member to ensure proper alignment with a latch surface.
Bibliography:Application Number: PL20070870427T