Apparatus for the detection of vibration in rotating machinery

Details Apparatus for the detection of vibration in rotating machinery Apparatus for the detection of vibration in rotating machinery

1975-05-07

1976-09-07

Swann, III, Glen R.

Communications: electrical

Systems

Call station

340269, 340267R, 73 714, 307117, G08B 2100

Patent

active

039797392

ABSTRACT:
A transducer generates a signal whose amplitude corresponds to the vibration amplitude of a machine under test. The output of the transducer is passed to a comparator which gives a logic 1 output when the transducer output signal lies outside an acceptable range, and a logic 0 output when it falls within the range. If a logic 1 output occurs, the length of time for which it persists is measured and, if it persists for greater than a preset time, an alarm is actuated.

REFERENCES:
patent: 3201776 (1965-08-01), Morrow et al.
patent: 3455148 (1969-07-01), Foster et al.
patent: 3550018 (1970-12-01), James et al.
patent: 3579220 (1971-05-01), Stevenson, Jr.
patent: 3913085 (1975-10-01), Farstad
patent: 3922663 (1975-11-01), Lubke et al.

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