Patent ID: 6508455
Filing Date: 2003-01-21
Classification: F02D

Abstract:
A throttle valve assembly for use in an internal combustion engine, comprising:a throttle housing subassembly including a housing member, a motor, at least one electronic sensor, and a gear train mechanism, said gear train mechanism being positioned in said housing member, said housing member having an opening for positioning of a first end of a throttle shaft member, and said gear train mechanism having a first mating mechanism for connection to the first end of the throttle shaft member; and a throttle mechanism subassembly including a throttle shaft member, a throttle plate positioned on said throttle shaft member, and a two-piece clamshell member forming an air passageway conduit and positioned around said throttle plate, said throttle shaft member having a first end protruding from a first side of said clamshell member and having a second mating mechanism thereon for mating with said first mating mechanism on said gear train mechanism; said first and second mating mechanisms being male and female mating members; wherein said throttle mechanism subassembly and said throttle housing assembly are assembled together by placement of said first end of said throttle shaft member in said opening in said housing member and by mating together said first and second mating mechanisms thereby forming said complete throttle valve assembly.