Patent ID: 6655338
Filing Date: 2003-12-02
Classification: F02B,F02M

Abstract:
An air intake muffler for introducing outside air to be fed to an air intake passage of a throttle valve unit of an engine, the air intake muffler comprising: an enclosure having a longitudinal axis, a first portion, and a second portion defining with the first portion an interior space of the enclosure; an air intake connecting duct for connection to an air intake passage of a throttle valve unit of an engine, the air intake connecting duct being formed unitarily with the first portion of the enclosure and extending outwardly from the interior space of the enclosure; and a pair of outside air intake ducts for introducing outside air into the interior space of the enclosure, the outside air intake ducts diverging in a V-shaped configuration from the longitudinal axis of the enclosure, and each of the outside air intake ducts having a pair of mating concave portions each formed unitarily with a respective one of the first and second portions of the enclosure and extending outwardly from the interior space of the enclosure.