Gas turbine engines

Details Gas turbine engines Gas turbine engines

1983-10-24

1985-03-26

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

With dual function turbine

60 39511, F02C 710

Patent

active

045065020

ABSTRACT:
There is provided a high efficiency, medium output gas turbine engine which comprises at most three compressor stages, including one centrifugal compressor stage, all mounted on a common shaft for compressing inlet air, a combustion chamber for burning fuel in mixture with the compressed air to provide hot gases, output-power generating means operated responsive to the hot gases, an axial compressor-turbine driven by the hot gases exiting from the combustion chamber for driving an axial compressor integral with the axial compressor-turbine and constituting the final compressor stage, and a heat exchanger intercalated between the integral axial compressor/axial compressor-turbine unit and the output-power generating means. The heat exchanger is arranged to transfer heat from the hot gases leaving the axial compressor-turbine to the compressed air leaving the axial compressor. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by referrence to and from the entire disclosure.

REFERENCES:
patent: 2360739 (1944-10-01), Strom
patent: 2721445 (1955-10-01), Gilberty
patent: 3575528 (1971-04-01), Beam
patent: 3818695 (1974-06-01), Rylewski
patent: 3889744 (1975-06-01), Hill et al.

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