Patent ID: 6527006
Filing Date: 2003-03-04
Classification: F16K,Y10T

Abstract:
An exhaust valve assembly for controlling the flow of exhaust gas, the exhaust valve assembly comprising:(a) a hollow elongated member for the flow of exhaust gas therethrough, the elongated member having an open end; (b) a flap associated with the open end and pivotable between a first position to close the open end and a second position to open the open end, the flap adapted to pivot toward the second position when the exhaust gas within the elongated member achieves a predetermined pressure; and (c) a spring external to the elongated member having two ends, one end secured to the flap and the other end secured to the elongated member along the length of the elongated member proximal of the flap, the spring applying a tension force biasing the flap toward the first position.