Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With permanent magnet
Patent
1978-05-05
1980-01-08
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With permanent magnet
324125, 335217, G01R 114, G01R 1110
Patent
active
041829840
ABSTRACT:
A watthour meter damping assembly includes a U-shaped magnetic yoke and a pair of highly coercive and anisotropic permanent magnets projecting in facing relationship from the ends of the yoke. Opposing pole faces of the magnets form an air gap receiving a meter disc to be magnetically retarded. A single temperature compensator extends over the pole faces of the permanent magnets to form a compensating shunt flux path around the air gap. The compensator and magnetic yoke extend substantially parallel to each other from the inner and outer pole faces, respectively, of the magnet pair.
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MacFadden John A.
Ramsey James E.
Smith R. W.
Strecker Gerard R.
Westinghouse Electric Corp.
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