Rotary kinetic fluid motors or pumps – Including thermal expansion joint – Radially sliding
Patent
1978-07-17
1980-10-28
Powell, Jr., Everette A.
Rotary kinetic fluid motors or pumps
Including thermal expansion joint
Radially sliding
415 51, 415175, F01D 1108
Patent
active
042304393
ABSTRACT:
A timing valve is responsive to certain hydraulic rotor speed input signals so as to schedule increased temperatures of air to a turbine shroud support in accordance with the thermal time constants of the rotor. Clearance between the rotor and the shroud is thereby minimized during both transient and steady-state operating conditions. Temperatures are incrementally increased by selectively combining air from the compressor fifth and ninth stage bleed manifolds. Under certain operating conditions, the timing valve is pre-empted and air is provided at a predetermined temperature level as a function of rotor speed only.
REFERENCES:
patent: 3391904 (1978-07-01), Albert et al.
patent: 3575528 (1971-04-01), Beam, Jr. et al.
patent: 3583824 (1971-06-01), Smuland
patent: 3584458 (1971-06-01), Wetzler
patent: 3736069 (1973-05-01), Beam, Jr. et al.
patent: 3966354 (1976-06-01), Patterson
patent: 3975901 (1976-08-01), Hallinger et al.
patent: 4069662 (1978-01-01), Redinger et al.
patent: 4102595 (1978-07-01), Wibbelsman
patent: 4117669 (1978-10-01), Heller
Freberg Dana D.
Mentzer Robert L.
Smith, Jr. Joseph P.
Bigelow Dana F.
General Electric Company
Lawrence Derek P.
Powell Jr. Everette A.
Silverman Carl L.
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