Wireless system monitors bearing health
A
Sensit product story
Edited by the Engineeringtalk editorial team
Sep 13, 2002
The Sentry system from Sensit is a wireless monitoring system designed for real-time monitoring of crosshead and crank pin bearing temperatures in diesel engines.
The Sentry system from Sensit is a wireless monitoring system designed for real-time monitoring of crosshead and crank pin bearing temperatures in diesel engines.
In diesel engines, a serious malfunction is likely to develop very quickly.
As a damaged bearing always cause temperature increases - monitoring of such temperatures represents a valuable indicator in a monitoring system, enabling timely action to protect vital engine parts against high cost damages.
In this the Sentry system represents a safety function that can prevent a hazardous engine failure.
Sentry has an alarm function that triggers if the bearing temperatures exceed preset values.
The fast response of the system gives operators the required time to stop the engine safely.
The complete system includes one wireless temperature sensor with a stationary antenna per measuring point and a signal processing unit.
The wireless sensor is mounted close to the bearing cap.
The technology used enables high flexibility in arranging sensors and antennas both with respect to the gap, angle and lateral position between these units.
The sensors used are complete passive and they have been designed to be installed in harsh environments.
The signal processing unit can be connected to any existing alarm or monitoring system or it can be delivered as a stand-alone alarm unit.
(This was Engineeringtalk's Top Story on 12 September 2002).
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