Supplemental oil cooler airflow for gas turbine engine

Details Supplemental oil cooler airflow for gas turbine engine Supplemental oil cooler airflow for gas turbine engine

2004-12-07

2008-11-25

Kim, Ted (Department: 3746)

Power plants

Reaction motor

Interrelated reaction motors

C060S039080

Reexamination Certificate

active

07454894

ABSTRACT:
A gas turbine engine is provided with an oil cooler which receives cooling air from a turbo fan. At times when the turbo fan is operating at lower speeds, the volume of cooling air is also lowered. At such times, a supplemental airflow is provided over heat exchangers in the oil cooler. The supplemental airflow includes a supplemental airflow fan and valve for selectively controlling the supplemental airflow over the heat exchangers.

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