F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/53
F02M 7/08 (2006.01)
Patent
CA 1114253
ACCELERATOR PUMP FOR CARBURETOR Abstract of the Disclosure An accelerator pump for a carburetor comprises a piston assembly located in a cylindrical well formed in a carburetor body, a link mechanism for actuating the piston assembly in response to movement of a throttle valve, and a tapered stopper. The piston assembly is separated from the link mechanism and engages with it only during accel- eration. The tapered stopper is inserted in a hole made in said carburetor body, which hole is perpendicular to the cylindrical well, extending through a hole made in the piston assembly. A gap defined between the tapered stopper and the peripheral portion of the hole of the piston assembly determines the stroke of the piston assembly. Further, the gap is adjustable by axial move- ment of the tapered stopper. The tapered stopper is locked with a sealing material after being adjusted so that a user can not adjust the tapered stopper again to increase the charge of fuel delivered during acceleration, thereby avoiding undesirable exhaust pollution caused when the charge of fuel is increased.
319707
Nakagawa Tohru
Tamaki Sigeo
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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