Device for generating electrical pulses in response to shaft rot

Details Device for generating electrical pulses in response to shaft rot Device for generating electrical pulses in response to shaft rot

1976-06-16

1977-12-06

Thesz, Joseph M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 123117D, H02K 2112

Patent

active

040619389

ABSTRACT:
Two yokes of magnetic material are fixedly attached to opposite axial ends of a magnet which is revolvable about its axis with a revolving shaft, an alternating magnetic field generator is positioned in the magnetic field between the two yokes to generate alternating magnetic field with revolution of the shaft, and a magnetoelectric transducer is provided in the alternating field in order to generate a pulsating electrical signal indicative of the number of the shaft revolutions.

REFERENCES:
patent: 3600617 (1971-08-01), Frayer
patent: 3777196 (1973-12-01), Field
patent: 3903862 (1975-09-01), Nagasawa
patent: 3906920 (1975-09-01), Hemphill

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