Steuernocken für eine ventilgesteuerte Brennkraftmaschine

The control cam is for an exhaust valve in a valve-controlled internal combustion engine. The modified cam profile gives an initial rapid increase (3') in acceleration of motion (3) away from the valve seat as the valve begins to open. The acceleration reaches an initial peak (3''...

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Bibliographic Details
Main Authors GRIEBEL, CLAUS-OTTO, 82194 GROEBENZELL, DE, THAMS, JUERGEN, 80997 MUENCHEN, DE
Format Patent
LanguageGerman
Published 09.04.1998
Edition6
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:The control cam is for an exhaust valve in a valve-controlled internal combustion engine. The modified cam profile gives an initial rapid increase (3') in acceleration of motion (3) away from the valve seat as the valve begins to open. The acceleration reaches an initial peak (3''') of approximately 40-60% before falling away (3'') to a minimum (2) before building up again (4') to a maximum of 100%. The acceleration goes negative and the valve slows to a stop and begins to close. The acceleration goes positive again as the valve slows down and comes to rest gently on its seat.
Bibliography:Application Number: DE19961041418