Skf Condition Monitoring Inc.

John T Barclay

William A McCarty

Roger E Lamberson

Phillip L Maness

Jim Wei

Stephan L Thompson

Leroy R Bannach

A vibration coupling stud for use in a vibration monitoring system includes digital memory and temperature sensing devices. Data is transferred between the vibration coupling stud and a vibration monitor. Data stored in the stud may include asset identification code, measuring point identification, prior measurement data, machine or bearing part numbers, and alarm limits.

Digital vibration coupling stud

Vibration data is transmitted from a remote site to a control facility using wireless data transmission. In one embodiment, the vibration signal is conditioned and digitized, and then sent via a page transmitter to the control facility.

Apparatus and method for the remote monitoring of machine condition

The output of an eddy current probe is demodulated and subsequently linearized using an analog to digital converter, a digital signal processor, and a memory. The linearized digital output signal is converted back to an analog signal, the voltage of which is preferably directly proportional to the position of the conductive target in relation to the probe.

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Carlsbad, CA, United States of America

John T Barclay