Pressure regulator for a fluid pump

Details Pressure regulator for a fluid pump Pressure regulator for a fluid pump

1977-12-22

1979-12-11

Croyle, Carlton R.

Pumps

With condition responsive pumped fluid control

Driven pump part speed responsive

123139AF, 123139AN, 123140FG, 137 56, 417253, F04B 4908

Patent

active

041781376

ABSTRACT:
A centrifugal pressure regulator comprises a pair of pistons slidable within a bore and moves in one direction by the action of a coiled spring and by centrifugal force imparted to the pistons as the body in which the bore is located rotates. The outer ends of the two pistons are subjected to the outlet pressure of a pump and the piston adjacent the spring is smaller in diameter than the other piston. The space between the pistons is vented to a drain and in the wall of the bore there is formed a spill port. The smaller of the pistons controls the size of the port which communicates with the outlet of the pump. The outlet pressure of the pump is controlled in accordance with the position of the pistons by spilling fuel through the port, the amount of fuel spilt depending on the effective size of the port.

REFERENCES:
patent: 2089446 (1937-08-01), Stenger
patent: 2529349 (1950-11-01), Nathan
patent: 3289590 (1966-12-01), Hutcheon
patent: 3645285 (1972-02-01), Miyazaki
patent: 3676023 (1972-07-01), Andrusenko et al.

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