| 摘要 |
1,113,478. Bearings; impregnating impermeable materials. RANDOLPH MFG. CO. 25 June, 1965 [13 July, 1964], No. 27028/65. Heading F2A. [Also in Division F1] In a rotary pump, a rotor RT carries a plurality of outwardly-sliding vanes V and is connected to a disc 28 that is fixed to a tubular journal 29, the latter being engaged by a splined driving-shaft 34 and supported by a carbon bearing-bush 30. The rotor and the vanes are made of carbon, which may be impregnated with 2 to 10% by weight of lithium fluoride to effect lubrication. |
