SECONDARY AIR INJECTION VALVE AND MOUNTING SYSTEM FOR AUTOMOTIVE ENGINE

摘要

An air injection valve and air discharge manifold for supplying atmospheric air to the exhaust stream of an automotive engine includes an air injection valve for controlling the flow of air, with the valve including a tubular entry section and a unitary tubular exit section. The air discharge manifold includes a socket section for receiving the air injection valve and a conduit section for conducting air to the exhaust stream of the engine. The valve and air discharge manifold are connected by means of male and female rolled threads formed in the valve body and the connector portion of the air discharge manifold. 6822F/89-679 10/17/91