An apparatus for and method of monitoring a rotating machine

Details An apparatus for and method of monitoring a rotating machine An apparatus for and method of monitoring a rotating machine

G - Physics

01

M

G01M 13/00 (2006.01) G01M 13/02 (2006.01) G01N 27/60 (2006.01) G07C 3/00 (2006.01)

Patent

CA 2269140

One or more electrostatic sensors 3 and a tacho generator 2 are provided in a rotating machine 1 such as a gearbox. Signals from the sensors 3 and the tacho generator 2 are processed by a signal processing circuit 6 to monitor for abnormal interaction between plural interacting components of the machine 1. The signal from the tacho generator 2 may be used by the signal processing circuit 6 to produce a signal which is an average of the electrostatic activity at the interacting components over a cycle of the machine. Such an averaged signal will contain enhanced components relating to electrostatic activity relating to the cycle of the machine.

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