Carburetor throttle valve flow optimizer

Details Carburetor throttle valve flow optimizer Carburetor throttle valve flow optimizer

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 9/12 (2006.01) F02M 9/06 (2006.01)

Patent

CA 2234628

An aerodynamic piece (48) for use with a carburetot having a barrel or round slide throttle valve (10). The piece (48) is formed as an insert which abuts the undersurface (15) of the slide (10). The piece (48) has an inclined bottom surface (28, 31, 32), the amount of inclination (43, 44, 45) being selected to increase the flow rate through the carburetor throat for a given throttle setting. Air flow passing through the carburetor throat hits the surface (28, 31, 32) and imparts a component of upward motion to the fuel (56) passing by the needle valve (11), thereby increasing the available cross sectional area of the carburetor throat to which the fuel is exposed for atomization. An indented region (38) at the top of the piece (48) permits the use of the piece with a wide range of original equipment slides (10). 12

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