Patent ID: 6830238
Filing Date: 2004-12-14
Classification: F02M,Y10S

Abstract:
An internal combustion engine air bleed control device having at least two carburetors which have at least one air/fuel circuit with an air bleed input coupled to each carburetor, said control device comprising:an air distribution block having an air input port with a tubing adaptor, an intake passage connected at one end to the air input port and having a circumferential seat area at the other end, at least two air output ports each having tubing adaptors, and a needle valve with a spring and rubber o-ring positioned between said air input port and said at least two output ports, said needle valve having a tip which extends into said circumferential seat area; an air output balance chamber located between said valve and said output ports, a valve passage connecting said circumferential area and said balance chamber, said balance chamber and valve passage comprising borings in said distribution block, said balance chamber having a top closed off with a press fit cap, and said valve passage having an outer part being threaded and closed off with a machine screw attached to a mounting bracket; at least two air tubes each having one end mounted on respective said tubing adaptors of said at least two output ports and having another end mounted on respective said air bleed inputs; an intake air tube connected at one end to said tubing adaptor of said air input port and to ambient air at the other end, and said valve having adjusting means for simultaneously controlling air flow into said air bleed inputs of said carburetors.