Automatic choke

Details Automatic choke Automatic choke

1993-04-08

1994-05-03

Bui, Thuy M.

Wells

Automatic

Float controlled valve

166320, 251 35, F21B 3400

Patent

active

053078721

ABSTRACT:
An automatic choke has two piston-cylinder assemblies mounted within a housing having an inlet and an outlet. The piston-cylinder assemblies are connected in a closed hydraulic loop configuration. One piston-cylinder assembly is responsive to pressures at the inlet and the other piston-cylinder assembly controls valve at the outlet.

REFERENCES:
patent: 3073338 (1963-01-01), Choluin et al.
patent: 4257442 (1981-03-01), Claycomb
patent: 4470430 (1984-09-01), Lancaster

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