Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1984-05-21
1987-05-12
Rowland, James L.
Communications: electrical
Condition responsive indicating system
Specific condition
340682, G08B 2100
Patent
active
046653937
ABSTRACT:
An improved vibration monitoring system and apparatus are disclosed for monitoring rotating shafts, as in motors, pumps, blowers, generators, etc., and signaling the occurrence of an unsafe condition. The apparatus includes a vibration monitoring probe assembly of improved design which is mounted adjacent to a rotating shaft and to the method of attachment thereon. The probe assembly is supported on the fixed housing of the rotating shaft in insulated relation thereto and includes a probe element in spaced relation to the shaft for contact therewith upon occurrence of excessive vibration. A signal conditioner mounted near the probe assembly provides power to the probe and processes the signal and transmits it to the monitor. A remote monitor is provided which indicates excessive vibration in response to a signal from the probe. An electronic circuit is provided which detects and registers the excessive vibration on the monitor through a visual and audible alarm. The system also includes circuits for shutting down the rotating shaft upon occurrence of excessive vibration. A single monitor may register signals from several different probe assemblies and signal conditioners.
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Wilder Peggy L.
Wilder Robert G.
Mosely Neal J.
Rowland James L.
Tumm Brian R.
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