| 摘要 |
1,194,228. Bearings. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 27 Sept., 1968 [4 Aug., 1967], No. 35970/67. Heading F2A. [Also in Division F1] In a pump assembly (e.g. for domestic central heating) in which the pump impeller and the rotor of the electric driving motor are both mounted on the same shaft or otherwise mechanically interconnected, a thrust bearing resisting the axial thrust of the pump includes relatively rotating members and a resilient compression member (e.g. a ring or washer of rubber or plastics) provided between at least one of the members and its support to reduce bearing noise.
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