| 摘要 |
<p>PURPOSE: An exhaust valve device is provided to prevent contact noise as the collision between a valve plate and other members is prevented even when opening and closing operation is repetitively performed. CONSTITUTION: An exhaust valve device comprises a case(110), a valve plate(120), and an elastic member(130). Exhaust gas passes through a through hole(111) of the case. The valve plate is rotatably installed in the through hole by a rotary shaft(121). One end of the elastic member is fixed to the case, and the other end is fixed to the rotary shaft. The elastic member provides elastic power according to the rotation of the valve plate.</p> |
