Fuel and oil heat management system for a gas turbine engine

Details Fuel and oil heat management system for a gas turbine engine Fuel and oil heat management system for a gas turbine engine

1987-05-15

1988-05-03

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3908, F02C 706, F02C 7224

Patent

active

047411520

ABSTRACT:
A heat management system is provided for a gas turbine engine (10) having first and second oil cooling loops (14, 16). The system distributes excess fuel flow from a main fuel pump (44) among a plurality of upstream locations (58, 60, 68) for managing the transfer of heat between the oil loops (14, 16) and the flowing fuel. A diverter valve (62) regulates the distribution of the bypass fuel responsive to engine heat generation, oil temperature, and/or fuel temperature. A passive fuel distribution configuration using one or more fuel flow restrictors (72, 74, 76) is also disclosed.

REFERENCES:
patent: 3080716 (1963-03-01), Cummings et al.
patent: 3300965 (1967-01-01), Sherlaw et al.
patent: 3382672 (1968-05-01), French
patent: 3779007 (1973-12-01), Lavash
patent: 4020632 (1977-05-01), Coffinberry et al.
patent: 4104873 (1978-08-01), Coffinberry
patent: 4151710 (1979-05-01), Griffin et al.
patent: 4354345 (1982-10-01), Dreisbach

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