Apparatus including contact free transfer of signals for measuri

Details Apparatus including contact free transfer of signals for measuri Apparatus including contact free transfer of signals for measuri

1985-07-24

1987-06-16

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

241 37, 34087029, 34087031, G01B 714, B02C 714, G08C 1906, G08C 1936

Patent

active

046738754

ABSTRACT:
Apparatus for measuring the gap between pairs of relatively rotating refiner discs is disclosed, including a transmitter incorporated into the face of a rotating refiner disc for producing a measurement signal in response to changes in reluctance corresponding to changes in the gap, a circuit for supplying the current to the transmitter, including a transformer for contact-free transfer of the current to the transmitter, a stationary receiver for receiving the measurement signal generated by the transmitter, and a signal transmitter for contact-free transfer of the measurement signal to the stationary receiver.

REFERENCES:
patent: 2548599 (1951-04-01), Garr
patent: 3434670 (1969-03-01), May
patent: 3500179 (1970-03-01), May
patent: 3831084 (1974-08-01), Scalese et al.
patent: 4134067 (1979-01-01), Woodbury
patent: 4229696 (1980-10-01), Gustafson
patent: 4387339 (1983-06-01), Akerblom
patent: 4441078 (1984-04-01), Lecomte
patent: 4454991 (1984-06-01), Brenholdt

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