Gas turbine propulsion unit with a gas generator

Details Gas turbine propulsion unit with a gas generator Gas turbine propulsion unit with a gas generator

1989-02-28

1989-10-31

Stout, Donald E.

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

60 39163, 4152141, 416241B, 74DIG5, F02C 310

Patent

active

048768499

ABSTRACT:
In a gas generator of a gas turbine, the turbine is provided with more stages than aerodynamically necessary for reducing the turbine rotational speed. As a result thereof, the stresses of the turbine rotor are reduced, the latter can be made of ceramic material, and the turbine inlet temperature can be increased. In order to permit the compressor to continue to operate at optimum rotational speed, the compressor is coupled with the turbine by way of a transmission providing a speed-up. Owing to this arrangement, the thermal efficiency and therewith the economy of the gas turbine can be considerably increased and the heretofore occurring problems with the use of ceramic material in the turbine are solved in a simple manner.

REFERENCES:
patent: 2801076 (1957-07-01), Terrell et al.
patent: 3037348 (1962-06-01), Gassmann
patent: 3507113 (1970-04-01), Herrmann et al.
patent: 3710576 (1973-01-01), Evans et al.
patent: 3889771 (1975-06-01), Kronogard
patent: 3997283 (1976-12-01), Kronogard
patent: 4025221 (1977-05-01), Kronogard
patent: 4028883 (1977-06-01), Meyer-Kahrweg
patent: 4064690 (1977-12-01), Kronogard

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