Patent ID: 6491020
Filing Date: 2002-12-10
Classification: B29L,F02D

Abstract:
A throttle body for use on an engine comprising:a two-piece throttle body and a throttle plate member; said two-piece throttle body for defining a central bore having an axis, said two-piece throttle body including an air intake portion and an air discharge portion, wherein said air intake portion or said air discharge portion is integrally attached to a manifold of the engine, said air intake portion and said air discharge portion are joined as an integral unit about a plane perpendicular to the axis of the central bore, said air intake portion and said air discharge portion defining a bore along said plane for pivotally securing said throttle plate member in said throttle body, a portion of one of said air discharge or said air intake defines a close tolerance fit about a periphery of said throttle plate member; and said throttle plate member including a shaft member and a throttle plate integrally molded to form a one-piece injection molded unitary part, which is assembled as a unitary part into said throttle body.