Measuring and testing – Rotor unbalance – Dynamic
Patent
1974-06-24
1976-02-24
Gill, James J.
Measuring and testing
Rotor unbalance
Dynamic
G01M 122
Patent
active
039397157
ABSTRACT:
A system for determining the phase displacement of vibration data signals relative to tachometer point signals by synthesizing a sine wave signal having the amplitude of the vibration data signals, shifting the phase of the synthesized sine wave signal to null out the vibration data signals and determining the phase and amplitude of the synthesized sine wave signal relative to the tachometer point signals.
REFERENCES:
patent: 3098391 (1963-07-01), Maus et al.
patent: 3340476 (1967-09-01), Thomas et al.
patent: 3500213 (1970-03-01), Ameau
Gill James J.
Spectral Dynamics Corporation of San Diego
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