Lost motion rocker arm system with integrated compression brake
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Sep 8, 2000
filing date -
Sep 10, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to a system for operating at least one exhaust valve of an engine. The engine has at least two engine operating conditions. The system in accordance with the present invention includes an energy supply assembly for supplying energy to operate the at least one exhaust valve during one of the at least two engine operating conditions. The system may further include an energy transfer assembly for transferring the energy from the energy supply assembly to operate the at least one exhaust valve. A valve actuating assembly is also included for actuating the at least one exhaust valve in response to operation of the energy transfer assembly. During operation, the energy transfer assembly transfers a first amount of energy to the valve actuating assembly during a first engine operating condition to open the at least one valve a first predetermined distance, and the energy transfer assembly transfers a second amount of energy to the valve actuating assembly during a second engine operating condition to open the at least one valve a second predetermined distance.
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