Downdraft carburetor for internal combustion engines

Details Downdraft carburetor for internal combustion engines Downdraft carburetor for internal combustion engines

1982-12-07

1985-01-22

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG18, F02M 908

Patent

active

044951159

ABSTRACT:
The invention refers to a downdraft carburetor for internal combustion engines, the choke tube cross-section being controlled by a choke tube valve whose movement is controlled as a function of the control pressure in the choke tube by means of a diaphragm and lever with spring support. The choke tube and the choke tube valve have the shape of a venturi nozzle. The control of the choke tube valve is so arranged that the closing moment increases with closing of the choke tube valve. A damping system is provided which consists of a diaphragm box placed in the float chamber of the carburetor and which is connected by means of levers with the levers controlling the choke tube valve.

REFERENCES:
patent: 3182974 (1965-05-01), Hill
patent: 3284060 (1966-11-01), Kalert, Jr.
patent: 3362694 (1968-01-01), Gould
patent: 3929114 (1975-12-01), Chattopadhayay et al.
patent: 3937768 (1976-02-01), Bier et al.
patent: 3956434 (1976-05-01), Dickensheets et al.
patent: 4058100 (1977-11-01), Tanaka et al.

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