Telectro-Mek, Inc.

Itt Aerospace Optical

George J Bertsche

Daniel G Russ, Deceased

A system and method to maximize fuel efficiency for a plurality of simultaneously operating engines is disclosed. The system includes means to determine the fuel consumption of the engine, measure the thrust of each engine and means to substantially equalize the ratio of the fuel consumption to the thrust between each of the engines. A pressure transducer is included to provide thrust data supply to each of the engines to a microprocessor, and a microprocessor is run to substantially equalize the ratio of the fuel consumption to the thrust to provide an increased fuel efficient system.

Method and apparatus for maximizing fuel efficiency for jet engines

There is disclosed an improved double detection receiver for detecting pulsed RF carrier signals. The receiver employs first and second channels with the first channel being a narrower band than the second channel. Each channel is associated with signal detection circuit to provide first and second detected output pulses. These pulses are summed or substracted to provide an output pulse indicating the sum or difference of each channel signal and this output pulse is appplied to a frequency comparator. One of the detected signals is also applied to a signal strength comparator whose output is gated via gating circuit with the output of the frequency comparator to provide a pulse present output for the presence of both input signals at said gating circuit. The use of the frequency comparators assures improved operation of the double detection receiver.

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Woodburn, IN, United States of America

George J Bertsche