Fuel cock for an internal combustion engine

Details Fuel cock for an internal combustion engine Fuel cock for an internal combustion engine

1985-12-24

1987-09-22

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

123510, 137181, F02M 3702, F16K 502

Patent

active

046948104

ABSTRACT:
A valve body has a bore with a tapered bore portion fuel inlet and outlet ports and air inlet and outlet ports which are communicated with the bore. The fuel cock is provided with a fuel plug having a piston end and is rotatably engaged in the tapered bore of the valve body so as to close and open a fuel passage between the fuel inlet and outlet ports, and an air plug rotatably engaged in the bore so as to close and open an air passage between the air inlet and outlet ports. A chamber is formed between the piston end of the fuel plug and the air plug, and the pressure of the air at the air inlet port is applied to the chamber and to the piston end to urge the fuel plug towards a small diameter end so as to insure sealing effect. The fuel plug and air plug are so arranged as to close and open both the fuel passage and air passage at the same time.

REFERENCES:
patent: 3612091 (1971-10-01), Gramann et al.

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