Carburetor needle valve adjustment limiter cap and method of adj

Details Carburetor needle valve adjustment limiter cap and method of adj Carburetor needle valve adjustment limiter cap and method of adj

1992-09-23

1993-08-17

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG38, 137382, F02M 308

Patent

active

052366340

ABSTRACT:
A cap and method for limiting the range of adjustment of a fuel flow metering valve in a carburetor. The cap has a body with an arm projecting generally radially outwardly therefrom to abut against a stop carried by the carburetor to limit valve rotation and a passage therein for telescopically axially receiving the head end of a shank of the valve. Portions within the passage enable the cap to be retained on the shank of the valve in a freely rotating first position during assembly and arm orientation, in a second position securing the cap to the valve to limit adjustment and maintain emissions calibration, and in a third position to releasably drivingly engage the valve to perform fuel flow adjustment before securing the cap to the valve.

REFERENCES:
patent: 3618906 (1971-11-01), Charron
patent: 4271095 (1981-06-01), Maeda
patent: 4283353 (1981-08-01), Miller
patent: 4333891 (1982-06-01), Miller
patent: 5055238 (1991-10-01), Araki

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