Shut off/pressure regulating valve for turbine engine

Details Shut off/pressure regulating valve for turbine engine Shut off/pressure regulating valve for turbine engine

1988-08-15

1989-10-31

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

13751629, 137538, F02C 7232

Patent

active

048768570

ABSTRACT:
A shut off and pressure regulator valve (10) for use with a metering valve (12) in a fuel system for a turbine engine. A pressure responsive piston (70) freely moves in a sleeve (48) to initiate fluid communication between an inlet port (16) and an outlet port (24). In response to a predetermined pressure differential a seal (90) carried by the piston (70) engages a ramp (56) to prevent fluid communication through the operational clearance (x) between the piston (70) and sleeve (48) to prevent fluid communication of a control fuel from a control chamber (76) to the outlet port (24) connected to the turbine engine.

REFERENCES:
patent: 3085588 (1963-04-01), Oliphant et al.
patent: 3092133 (1963-06-01), Clark
patent: 3294111 (1966-12-01), Abercrombie et al.
patent: 3339574 (1967-09-01), Erb et al.
patent: 4760696 (1988-08-01), Rooks et al.

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