Method and apparatus for programming and reducing runout in rota

Details Method and apparatus for programming and reducing runout in rota Method and apparatus for programming and reducing runout in rota

1977-07-20

1979-01-16

Wise, Edward J.

Boots, shoes, and leggings

73660, G01M 116

Patent

active

041352440

ABSTRACT:
Method and circuit for detecting the slow roll electrical runout signal of a rotating shaft, as synchronized with a tachometer signal, and impressing this signal waveform in digital form in a memory in an encoding section, and subsequently transferring the digital runout information to a programmed read only memory module, and then using the PROM module in a method and circuit for subtracting electrical runout signals from the composite electrical runout signal and vibration signal generated in a proximity probe circuit by the shaft rotating at operational speed, and monitoring and controlling the encode section to provide low frequency detection lock out circuits and to provide digital readout of the instantaneous mils peak of the composite signal outputs of the subtract runout signal, composite signal and corrected signal.

REFERENCES:
patent: 3733892 (1973-05-01), Rennick
patent: 3848115 (1974-11-01), Sloane et al.
patent: 3851242 (1974-11-01), Ellis
patent: 3938394 (1976-02-01), Morrow et al.
patent: 3986380 (1976-10-01), Biggs

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