Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1985-10-17
1987-04-14
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60734, 137599, F02C 926
Patent
active
046568271
ABSTRACT:
A fuel metering system for a gas turbine engine is disclosed which includes two rotating flowmeters connected to the fuel supply circuit in parallel. The speed of the flowmeters are controlled by a pair of braking motors and tachometers are provided in each to provide an output signal of their rotational speeds. A control circuit is connected to the system to regulate the speed of the flowmeters to insure that the total fuel flow coincides with a reference value. Should a malfunction occur in one of the flowmeter systems, the control circuit may regulate the speed of the remaining flowmeter to retain the total fuel flow at the reference value.
REFERENCES:
patent: 2599680 (1952-06-01), Weeks
patent: 2630820 (1953-03-01), Gray
patent: 2640423 (1953-06-01), Boyer
patent: 2936028 (1960-05-01), Gatzemeyer et al.
patent: 2989842 (1961-06-01), Wood et al.
patent: 3738104 (1973-06-01), Rosa
patent: 4208871 (1980-06-01), Riple, Jr.
Casaregola Louis J.
Societe Nationale d'Etude et de Construction de Meteur d'Aviatio
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