Exhaust valve device
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United States of America Patent
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app pub date -
Nov 4, 2009
filing date -
May 7, 2007
priority date (Note) -
Abandoned
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Abstract
An exhaust valve device includes an exhaust valve formed by a valve body, a valve stem and a valve element, which opens and closes an exhaust passage provided in the valve body, mounted on the valve stem that is inserted into and supported rotatably by the valve body; and an actuator that drives the exhaust valve to open and close. The actuator includes an electric actuator, and an opening detection sensor to detect an opening of the exhaust valve. Further, the electric actuator and the opening detection sensor are disposed coaxially, a connecting shaft that connects the two is disposed parallel to and offset from the valve stem of the exhaust valve, and the connecting shaft and valve stem are connected by a link mechanism.
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