H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/50
H01H 9/20 (2006.01) H01H 51/22 (2006.01)
Patent
CA 1234850
9 51,590 ABSTRACT OF THE DISCLOSURE An electrical control apparatus characterized by a pair of separable contacts with electromagnetic means for opening and closing the contacts and including a U-shaped core having spaced legs and a yoke, a permanent magnet across the yoke, and the magnet having a cross-section greater than that of either leg.
484794
Devault Birch L.
Kellogg Walter J.
Paape Kenneth L.
Oldham And Company
Westinghouse Electric Corporation
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