Integrated APU

Details Integrated APU Integrated APU

1993-11-15

1996-09-17

Freay, Charles

Power plants

Combustion products used as motive fluid

Different fluids

60 39141, 290 36R, 310113, 12317928, F02C 726

Patent

active

055557228

ABSTRACT:
An integrated APU is provided having a combined starter/generator device mounted within the gearbox housing so as to reduce the number of reduction gears, bearings and other redundant components sufficiently to eliminate the need for a separate lubrication oil scavenger pump as well. Further integration and savings can be achieved by de-coupling the fuel pump and lubrication pump from the gearbox and driving those pumps instead by an electric motor.

REFERENCES:
patent: 3590262 (1971-06-01), Sheffield
patent: 4456830 (1984-06-01), Cronin
patent: 4473752 (1984-09-01), Cronin
patent: 4506163 (1985-03-01), Stevens
patent: 4713982 (1987-12-01), Fluegel et al.
patent: 4743776 (1988-05-01), Baehler et al.
patent: 4815278 (1989-03-01), White
patent: 4845944 (1989-07-01), Rodgers
patent: 5184456 (1993-02-01), Rumford et al.
patent: 5253470 (1993-10-01), Newton

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