Carburetor

Details Carburetor Carburetor

1983-01-25

1984-04-03

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Pumping

261 18B, 123 52M, F02M 708

Patent

active

044406975

ABSTRACT:
A multi-fuel carburetor embodying a number of improved accelerating pump features. In accordance with one of these features, the accelerating pump discharge is located upstream of the venturi section and is directed in such a way that the depositing of fuel on the throttle valve is minimized and improved distribution to the associated manifold is achieved. In accordance with another feature, the accelerating pump is operated by a linkage which causes the accelerating to begin its discharge stroke before the throttle valve is opened. As another feature, the output of the accelerating pump may be conveniently varied by using a variable bypass in the accelerating pump discharge circuit. As yet another feature, the back or non-pumping side of the accelerating pump is vented to a fuel bowl so as to minimize leakage and to insure return of any fuel that leak passed the accelerating pump to the fuel bowl.

REFERENCES:
patent: 1954536 (1934-04-01), Prentiss
patent: 2003984 (1935-06-01), Timian
patent: 2111399 (1938-03-01), Kommer
patent: 4105719 (1978-08-01), Saito et al.
patent: 4117810 (1978-10-01), John
patent: 4201734 (1980-05-01), Ohnishi et al.
patent: 4211191 (1980-07-01), Kawamura
patent: 4251471 (1981-02-01), Schwander et al.
patent: 4300504 (1981-11-01), Tezuka
patent: 4345551 (1982-08-01), Bloemers

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