Apparatus for monitoring machine parts subject to wear

Details Apparatus for monitoring machine parts subject to wear Apparatus for monitoring machine parts subject to wear

1975-05-08

1977-07-12

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

331 65, 340267R, H01H 4712

Patent

active

040356965

ABSTRACT:
An apparatus for monitoring moving machine components, comprising a high-frequency oscillator circuit including a frequency determining element, the latter constituting an open capacitor connected in the oscillator circuit and having a capacitor face. The moving machine components to be monitored interact capacitively at least intermittently with the capacitor face of the open capacitor, and a high-frequency amplifier and signal limiter circuit is operatively connected to an output of the oscillator circuit, with a signal evaluating circuit operatively connected therewith.

REFERENCES:
patent: 3201775 (1965-08-01), Pedersen
patent: 3422415 (1969-01-01), Ichimori
patent: 3529445 (1970-09-01), Brose

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