EXHAUST VALVE AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Issued Date -
May 23, 2024
app pub date -
Mar 26, 2021
filing date -
Mar 26, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust valve includes a pipe body connecting an upstream pipe and a downstream pipe for exhaust, a valve plate disposed inside the pipe body in a state of being attached to a rotary shaft that rotates by drive of an actuator, the valve plate configured to rotate to open/close an exhaust flow path inside the pipe body, and a stopper fixed inside the pipe body. The stopper is a member including, formed integrally, a base portion including an insertion hole configured to receive insertion of the rotary shaft, a first contact portion extending along an inner peripheral surface of the pipe body on one side of the base portion upstream and downstream of the exhaust, and a second contact portion extending along the inner peripheral surface on another side of the base portion upstream and downstream of the exhaust, on a side opposite to the first contact portion.
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