| 摘要 |
<p>1285524 Mounting impellers on shafts WESTINGHOUSE ELECTRIC CORP 19 April 1971 [26 Feb 1970] 23208/71 Heading F2U A hub 11 of an impeller has on both sides conical faces 24, 25 coaxial with a bore 23, resilient friction washers 26, 30 having faces 28, 31 mating with the faces 24, 25, the faces 28, 31 being of slightly different cone angles to the faces 24, 25 when the washers are unloaded, there being a shaft 12 with an extension (e.g. a bolt 22) passing through the bore 23 and the washers, to compress the washers and hub axially between shoulders 21, 33. The faces 28, 31 may have the smaller cone angle.</p> |
