Diffuser for gas turbine engine

Details Diffuser for gas turbine engine Diffuser for gas turbine engine

1983-02-28

1985-07-09

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60751, F02C 314

Patent

active

045273863

ABSTRACT:
A diffuser system for a gas turbine engine includes a prediffuser and a piping system that diverts the flow into two streams. One stream captures the prediffuser discharge air at the center of the gas path where the total pressure is at its highest level and provides an additional stage of diffusing before dumping it around the burner to supply liner cooling air, turbine cooling air and if necessary, small amounts of dilution air to trim radial temperature profile. The other stream is ducted directly into the burner avoiding the typical dump diffuser losses.

REFERENCES:
patent: 2746246 (1956-05-01), Valota
patent: 3290880 (1966-12-01), Poyser
patent: 3364678 (1968-01-01), Alford
patent: 3826084 (1974-07-01), Branstrom et al.

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