Patent ID: 6382599
Filing Date: 2002-05-07
Classification: F02M,Y10S

Abstract:
A rotary throttle valve/carburetor, with a body having a circuit for delivering fuel into a valve chamber, comprising:a fuel supply nozzle protruding into the valve chamber and fixed at the bottom of said valve chamber to the carburetor body; an intermediate wall, connected to the bottom of said carburetor body, having a first chamber defined therein, a second chamber defined therein, and structure cooperatively defining a first passage that communicates said first chamber to the fixed end of said fuel supply nozzle, and a second passage that communicates said second chamber to said first chamber; an enclosure having a pressurized fuel chamber disposed under said intermediate wall, said intermediate wall cooperatively defining a third passage that communicates said pressurized fuel chamber to said second chamber; a fuel jet disposed along said first passage; and a check valve disposed along said first passage between said fuel jet and said first chamber; wherein said first passage, said first chamber, said second passage, said second chamber, and said third passage are constructed and arranged to cooperatively define an elongated fuel passage between said pressurized fuel chamber and said fuel supply nozzle for delivering fuel into said valve chamber.