Sundstrand Corporation

William H Conn

Edward N Denaci

Kourosh Mehr-Ayin

Andrew L Gale

Trevor Lawrence

Luis M Rivera

Phillip A Marsh

An identification module and identification determination circuitry are provided for the purpose of identifying an apparatus and electrically determining the identification number of that identified apparatus. The identification module comprises a plurality of resistive identification circuits which, in turn, each comprise a plurality of resistive elements selected to have resistive magnitudes that relate to each other by powers, or orders, of two. The identification determination circuit of the present invention places each of the resistive identification circuits in series with a resistor of known magnitude between two connection points to provide a voltage potential and a resulting current flowing through the resistive identification circuit. The invention also provides a means by which the input voltage can be determined and used to adjust the determined magnitude of the resistive identification circuit.

Engine identification system

A turbine engine monitoring system is provided which disposes a data storage device in permanent association with an engine being monitored. The data storage device comprises an electrically erasable programmable read-only memory which is contained in an enclosure and permanently attached to the engine. A connection link is provided to connect the memory device in signal communication with an external device, such as an engine control unit. The engine control unit is connected in signal communication with a plurality of transducers that enable the engine control unit to monitor the operational status of a plurality of parameters relating to the turbine engine. By permanently attaching the data storage device to the turbine engine, a lifetime information of the turbine engine can be maintained in permanent association with the turbine engine regardless of replacement of the turbine engine or its related engine control unit.

Turbine engine monitoring system

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LaMesa, CA, United States of America

William H Conn