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    • 3. 发明授权
    • Apparatus for preventing gas flow through bearings
    • 用于防止气体流过轴承的装置
    • US3411707A
    • 1968-11-19
    • US62542367
    • 1967-03-23
    • ROTRON MFG CO
    • GUNTHER ZOEHFELD
    • F04D23/00F04D25/06F04D29/06F04D29/10F16C33/72F16C33/76F16J15/00
    • F04D29/063F04D23/008F04D25/0606F04D29/102F16C33/76F16C2360/42F16C2360/44F16J15/00
    • 1,166,012. Bearings. ROTRON Inc. 20 March, 1968 [23 March, 1967], No. 13557/68. Heading F2A. A machine such as a compressor, in which there is a rotary member 24 carried in a bearing 28 with separated spaces at different pressures P 2 , P 4 during operation on the two sides of the bearing, has a pressure-equalizing arrangement to prevent lubricant being blown out of the bearing, comprising a pressure balance space 50 on one side of and communicating with the bearing, a passage 56 connecting the balance space with the space 16 on the other side of the bearing, and a rotary seal 58 between the balance space and the space 14, across which the pressure differential is maintained. The rotary seal may be constituted by a close clearance between fixed and rotary components.
    • 1,166,012。 轴承。 ROTRON Inc. 1968年3月20日[1967年3月23日],第13557/68号。 标题F2A。 在轴承28的两侧的运转期间,在轴承28中具有不同的压力P 2,P 4的分离的空间的旋转部件24,具有压力平衡装置,以防止润滑剂 从轴承中吹出的压力平衡空间50包括在轴承的一侧并连通的压力平衡空间50,将平衡空间与轴承另一侧的空间16连接的通道56以及平衡部之间的旋转密封件58 空间和维持压差的空间14。 旋转密封件可以由固定和旋转部件之间的紧密间隙构成。