Isolated reverse turbine system for gas turbine engines

Details Isolated reverse turbine system for gas turbine engines Isolated reverse turbine system for gas turbine engines

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

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