Patent ID: 6435482
Filing Date: 2002-08-20
Classification: F02M,Y10S

Abstract:
A carburetor for a general purpose engine, comprising:a carburetor barrel body having a horizontal intake air passage; a fuel bowl having a constant level fuel chamber therein, said fuel bowl being disposed below and secured to said carburetor barrel body; a fuel trunk having first and second fuel wells therein and having an integral top flange, said fuel trunk extending into said fuel bowl, and having a top portion which is attached to a bottom portion of said body; a main fuel discharge passage which is provided within said body and said fuel trunk, which includes said first fuel well, and which is straight in a portion thereof extending from a location within said fuel trunk to a location within said body, said main fuel passage carrying fuel which is traveling from said fuel chamber to said intake air passage; and a low speed fuel discharge passage which is provided within said body and said fuel trunk, and which includes said second fuel well, a first passage section extending upwardly inside said fuel trunk, a second passage section formed by a groove in one of a top surface of said fuel trunk and a bottom surface of said body, and a third passage section extending upwardly inside said body, said low speed fuel discharge passage carrying fuel which is traveling from said fuel chamber to said intake air passage; wherein said body and said fuel bowl are made of metal, said fuel trunk is made of synthetic resin, an outer circumference of said flange is disposed between and attached to each of said body and said fuel bowl, said top surface of said fuel bowl is adjacent said bottom surface of said body, and a bottom end of said fuel trunk contacts a bottom wall of said fuel bowl.