Aircraft gas turbine engines

Details Aircraft gas turbine engines Aircraft gas turbine engines

2008-09-02

2008-09-02

Rodriguez, William H (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S786000

Reexamination Certificate

active

11049748

ABSTRACT:
An aircraft gas turbine engine including a first hydraulic pump connected to a starter motor and a second hydraulic pump connected to the high-pressure compressor. The engine being arranged such that during starting the starter motor drives the first pump, to pump hydraulic fluid to operate the second pump as a motor to drive the high pressure compressor. During running the first and second pumps are connected to the aircraft hydraulic system.

REFERENCES:
patent: 3769790 (1973-11-01), Thebert
patent: 4062185 (1977-12-01), Snow
patent: 4684081 (1987-08-01), Cronin
patent: 5694765 (1997-12-01), Hield et al.
patent: 5867979 (1999-02-01), Newton et al.
patent: 7204090 (2007-04-01), O'Connor
patent: 2006/0042252 (2006-03-01), Derouineau
patent: 0 079 845 (1983-05-01), None

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