Patent ID: 7201159

Claim:
An exhaust gas recirculation assembly for an engine including an intake manifold and an exhaust manifold, the exhaust gas recirculation assembly comprising: a flow control body including: a manifold conduit including a recirculation opening and a mounting member, the mounting member being adapted to connect the manifold conduit in fluid communication with the intake manifold; and an inlet conduit in fluid communication with the manifold conduit and including a mounting member adapted to connect the inlet conduit in fluid communication with the exhaust manifold; a closing member movably mounted in the manifold conduit and having a first position where the closing member closes the recirculation opening and blocks fluid communication between the inlet conduit and the manifold conduit and a second position where the closing member opens the recirculation opening and permits fluid communication between the inlet conduit and manifold conduit and creates a pressure differential across the recirculation opening to mix fluid flowing from the inlet conduit with fluid flowing in the manifold conduit, the closing member being operable as a single actuator for controlling an amount of the fluid flowing directly from the engine in the manifold conduit to mix with the fluid flowing from the inlet conduit; an electric motor coupled to the closing member; and an electronic controller electrically connected to the electric motor and selectively controlling the operation of the electric motor to drive the closing member between the first position and the second position such that the fluid from the inlet conduit is mixed with the fluid flowing in the manifold conduit in a sufficient amount for combustion in the engine.