Gas turbine engine fan cooled heat exchanger

Details Gas turbine engine fan cooled heat exchanger Gas turbine engine fan cooled heat exchanger

1993-02-05

1993-12-14

Bertsch, Richard A.

Power plants

Reaction motor

Interrelated reaction motors

60266, 60267, F02K 302

Patent

active

052691357

ABSTRACT:
A fan-jet gas turbine engine heat exchanger is cooled by fan air taken from the fan duct at a relatively high pressure region of the fan nozzle upstream of the fan nozzle's throat and exhausted into a relatively low pressure region of the fan nozzle upstream of the throat. One embodiment provides a cooling air duct with a forward facing scoop at the duct's inlet for capturing cooling air and providing greater dynamic pressure recovery. A diffuser is located upstream of the heat exchanger and a nozzle is located downstream of the heat exchanger with a nozzle exit that forms the cooling duct outlet and an aft facing scoop over the outlet.

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patent: 4782658 (1988-11-01), Perry
patent: 4791782 (1988-12-01), Seed
patent: 4914904 (1990-04-01), Parnes et al.
patent: 4999994 (1991-03-01), Rud et al.
patent: 5044153 (1991-09-01), Mouton

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