System and method for transmitting sensor data from a rotating component of a turbomachine
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United States of America Patent
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Dec 27, 2016
Grant Date -
Jul 21, 2016
app pub date -
Jan 19, 2015
filing date -
Jan 19, 2015
priority date (Note) -
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Abstract
A system for transmitting data from a rotating component of a turbomachine includes a plurality of thermal sensors coupled to corresponding rotatable components within the turbomachine where each thermal sensor generates a discrete analog signal indicative of temperature. A plurality of transmitter assemblies is coupled to an end of a rotor shaft of the turbomachine. The plurality of transmitter assemblies comprises a first transmitter assembly and a second transmitter assembly. The first transmitter assembly is configured to receive the discrete analog signals from the plurality of thermal sensors, multiplex the plurality of discrete analog signals into a single amplifier and an analog-to-digital converter to generate a single stream of digital data therefrom. The system also includes a slip ring assembly having a plurality of conductive rings where at least one of the conductive rings defines a digital signal path between the first transmitter assembly and a data acquisition system.
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