Linear scale electric meter with cylindrical internal magnet and

Details Linear scale electric meter with cylindrical internal magnet and Linear scale electric meter with cylindrical internal magnet and

1975-09-08

1977-10-04

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With permanent magnet

G01R 506

Patent

active

040526690

ABSTRACT:
An electric meter comprises a cylindrical internal magnet so magnetized as to have N and S poles oriented in a direction such that a straight line connecting both poles intersects with the central axis of the magnet at right angles thereto. First and second circular arc-shaped auxiliary yokes are provided along the magnetized direction of said cylindrical internal magnet, around the outer periphery of the internal magnet, and at prescribed distances from the N and S poles of the magnet, and a movable coil is pivotally mounted in the magnetic field produced between the tip end portions of the first and second auxiliary yokes and the N and S poles of the cylindrical internal magnet.

REFERENCES:
patent: 2110680 (1938-03-01), Rowell
patent: 2816255 (1957-12-01), Greif
patent: 2836796 (1958-05-01), Millar et al.
patent: 2840767 (1958-06-01), Ammon
patent: 2846649 (1958-08-01), Hornauer
patent: 2901702 (1959-08-01), Endlich
patent: 3273061 (1966-09-01), Rumpelein et al.
patent: 3602815 (1971-08-01), Rumpelein et al.

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