Contactor with flux sensor

Details Contactor with flux sensor Contactor with flux sensor

1981-12-21

1984-05-22

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

324251, H01L 4304

Patent

active

044504276

ABSTRACT:
An electromagnetic contactor is provided with a flux sensing device, preferably a Hall effect sensor, mounted in its magnetic circuit. The magnetic circuit includes an air gap within which the flux sensing device is mounted. The air gap can be adjusted to control the percent of magnetic flux impinging on the flux sensing device whereby a signal can be taken from the device indicative of the magnitude of flux in the magnetic circuit. The signal can be used to control electrical excitation of the contactor at a predetermined flux level.

REFERENCES:
patent: 1691920 (1928-11-01), Chapman
patent: 2725488 (1955-11-01), Hueffed et al.
patent: 2906945 (1959-09-01), Weiss
patent: 2913557 (1959-11-01), Immel et al.
patent: 3060370 (1962-10-01), Varterasian
patent: 3172020 (1965-03-01), Spinelli et al.
patent: 3482163 (1969-12-01), Peek et al.
patent: 3671814 (1972-06-01), Dick

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