| 摘要 |
1,214,795. Bearings. WESTINGHOUSE ELECTRIC CORP. 19 June, 1969 [22 July, 1968], No. 30991/69. Heading F2A. The rotor assembly 15 of a watt-hour meter comprises bearing bushes 39, 47 having a matrix of an aromatic polyimide resin, and a fluorocarbon polymer filler in the matrix. The filler is preferably PTFE. The fixed axles 41, 49 are of stainless steel, chrome, or beryllium copper. The axial thrust bearing comprises barium ferrite magnets 53, 55. |
