Gas turbine engine diffuser

Details Gas turbine engine diffuser Gas turbine engine diffuser

1975-09-29

1976-09-07

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

External-combustion engine type

415210, 415218, F02C 720

Patent

active

039786641

ABSTRACT:
Apparatus for diffusing the working medium gases which flow from the compression section of a gas turbine engine is disclosed. A controlled diffuser comprising an inner and an outer flow path shroud initially increases the static pressure and decreases the velocity of the medium gases flowing therebetween. The diffusion process is completed downstream of the flow path shrouds in a dump region of rapidly increasing flow area. The inner and outer shrouds of the controlled diffuser are concentrically supported at both the upstream and downstream ends. The inner and outer shrouds support the compressor exit vanes within the path of working medium gases flowing from the compressor and damp vane vibration during operation of the engine.

REFERENCES:
patent: 2577918 (1951-12-01), Rowe
patent: 2614385 (1952-10-01), Feilden
patent: 2699040 (1955-01-01), Gaubatz
patent: 2711072 (1955-06-01), Wetzler
patent: 2720080 (1955-10-01), Oulianoff
patent: 2852914 (1958-09-01), Robin et al.
patent: 3364678 (1968-01-01), Alford

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