Shut off valve for turbine engine

Details Shut off valve for turbine engine Shut off valve for turbine engine

F - Mech Eng,Light,Heat,Weapons

02

C

60/139

F02C 7/232 (2006.01) F02C 9/26 (2006.01) F16K 11/07 (2006.01)

Patent

CA 1307119

ABSTRACT OF THE DISCLOSURE 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.

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