System for monitoring bearings and other rotating equipment

Details System for monitoring bearings and other rotating equipment System for monitoring bearings and other rotating equipment

1979-01-29

1980-12-02

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

73593, 73DIG4, 310323, 340539, 340683, G01H 1300, G08B 2100

Patent

active

042374545

ABSTRACT:
A self-powered monitor unit with a tuned mechanical resonator power unit and a radio transmitter is mounted on every piece of rotating equipment being monitored, such as machinery with ball bearings. Bearing vibrations are sensed and the generation of a defect signal triggers the transmission of a radio signal modulated to identify the source. A central station receives and demodulates an emitted radio signal and displays the location with a fault condition. Large numbers of equipment can be monitored conveniently by unattended units.

REFERENCES:
patent: 2875353 (1959-02-01), Cavaliere, Jr. et al.
patent: 3067345 (1962-12-01), Harris
patent: 3336529 (1967-08-01), Tygart
patent: 3394275 (1968-07-01), Lippmann
patent: 3526873 (1970-09-01), Burt
patent: 3614760 (1971-10-01), Zimmet et al.
patent: 3622933 (1971-11-01), Van Den Broek
patent: 3677072 (1972-07-01), Weichbrodt et al.
patent: 3786413 (1974-01-01), Ross et al.
patent: 3798626 (1974-03-01), Weichbrodt et al.

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