| 摘要 |
719,540. Electromagnetic interrupters. OAK MANUFACTURING CO. March 27, 1951 (March 27, 1950], No. 7072/51. Class 38(5) In an electromagnetic vibratory interrupter suitable for converting low tension D.C. to high tension D.C. and for use under high temperature conditions, the ferromagnetic frame 10 carrying the pole piece 18 and winding 19 is fixed by means of angle irons 55, 56 to a circular metal plate 60 the edge of which is engaged by the metallic container 65 so that heat can be conducted away readily. The fixed driving contact 36 of the interrupter is mounted on the frame but insulated from it. Specification 460,470 is referred to. |
