Hydraulic control system for a jet engine nozzle

Details Hydraulic control system for a jet engine nozzle Hydraulic control system for a jet engine nozzle

1993-07-06

1995-01-10

Casaregola, Louis J.

Power plants

Reaction motor

Method of operation

60232, 60242, F02K 100

Patent

active

053795857

ABSTRACT:
A method of controlling a system is adapted to control flow to throat nozzle and vectoring nozzle actuators. The method comprises the steps of summing a plurality of signals representative of flow to the vectoring nozzle actuators with a signal representative of flow to the throat nozzle actuators to generate a total hydraulic flow signal. The total flow signal is then compared to a signal representative of total pump output to generate a reserve signal. Finally, a scaled rate limit signal is generated from the reserve signal and multiplied by predetermined ratio signals such that the ratio signals are limited by the difference between pump output and pump demand.

REFERENCES:
patent: 3979908 (1976-09-01), Alderson
patent: 4034563 (1977-07-01), Orth
patent: 4070857 (1978-01-01), Wible
patent: 4437307 (1984-03-01), Budzich
patent: 4608822 (1986-09-01), Fondacci et al.
patent: 4669363 (1987-06-01), Kreth et al.
patent: 4994660 (1991-02-01), Hauer
patent: 5267436 (1993-12-01), Wood

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