Power plants – Combustion products used as motive fluid – With safety device
Patent
1984-05-09
1986-07-01
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
With safety device
60 39091, F02C 7262
Patent
active
045972591
ABSTRACT:
A control system for a jet or turbine aircraft includes a electrical pressure sensor of the type which does not include interconnected mechanical linkages, such as capacitive transducers, and which are therefore stable over a wide range of temperature and other adverse conditions. The pressure sensor is coupled to detect the pressure resulting from the operation of the aircraft engine. The system detects departures from normal operating conditions, such as a flameout of the aircraft engine, and restores the aircraft engine to normal operating conditions by reignition, by operating the starter motor, or other similar steps. Controllable hysteresis may be introduced into the system to determine both the pressure at which the control action is initiated and a different pressure where it is stopped. The system may operate in conjunction with pressure metering and other aircraft systems without hysteresis.
REFERENCES:
patent: 3041833 (1962-07-01), Vore
patent: 3232051 (1966-02-01), Mansfield, Jr. et al.
patent: 3504490 (1970-04-01), Klamm
patent: 3611282 (1971-10-01), Hill
patent: 3805517 (1974-04-01), Sewell et al.
patent: 3830055 (1974-08-01), Erlund
Metzger, Electronic Circuit Behavior, Prentice-Hall, Inc., New Jersey, 1975, pp. 295-296.
The Jet Engine, Rolls-Royce Ltd., 1969, pp. 123-133.
Moore M. Samuel
Paluka Charles F.
Casaregola Louis J.
Semco Instruments, Inc.
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