Starting system for turbine engines

Details Starting system for turbine engines Starting system for turbine engines

1989-02-02

1990-05-08

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Different fluids

60734, F02C 7236

Patent

active

049227084

ABSTRACT:
A starting system for a turbine engine comprises a single D.C. electric motor that drives both a positive displacement fuel pressure boost pump and a positive displacement metering pump. A multiple position recirculation valve is positioned between the metering pump and a starting fuel reservoir for shunting fuel to tank so as to enable the D.C. motor to rapidly achieve full speed. When start parameters are sensed by a computer, the recirculation valve is closed which directs full fuel pressure to the starting fuel reservoir.

REFERENCES:
patent: 3696612 (1972-10-01), Berman
patent: 3908360 (1975-09-01), Meyer
patent: 3945539 (1976-03-01), Sossong
patent: 3946551 (1976-03-01), Linebrink et al.
patent: 4208871 (1980-06-01), Kiple

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