Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Patent
1978-12-28
1981-01-20
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
415153R, F02C 600
Patent
active
042454670
ABSTRACT:
A reversing system for gas turbine engines having, in addition to a conventional gas generator and power turbine, a reversing turbine coupled to the exhaust end of the power turbine output shaft, a gas flow proportioning inlet mechanism, and a movable blocking exhaust valve. Intermediate and full-stop power settings are achieved by proportioning the gas flow between the forward and the reverse turbines, and windage losses are minimized by selectively blocking the gas flow through the turbines.
REFERENCES:
patent: 1550710 (1925-08-01), Schmidt
patent: 2529773 (1950-11-01), Johansson
patent: 2718751 (1955-09-01), Huber
patent: 3050946 (1962-08-01), Marque
patent: 3825367 (1974-07-01), Lewis
Bowen Thomas L.
Shank, Jr. Samuel R.
Casaregola Louis J.
Marsh L. A.
Sciascia R. S.
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