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    • 4. 发明申请
    • MACHINE BALANCER WITH PERISTALTIC FLUID PUMP
    • 机械平衡泵与普通液体泵
    • WO1995005268A1
    • 1995-02-23
    • PCT/US1994009197
    • 1994-08-12
    • THE BOARD OF REGENTS OF THE UNIVERSITY OF MICHIGAN
    • THE BOARD OF REGENTS OF THE UNIVERSITY OF MICHIGANMURTUZA, SyedBOFFI, Luiz, V.
    • B25B41/04
    • F04B43/1292B24B41/042Y10T74/2123
    • A balancer arrangement (10) for a rotating machine element employs a peristaltic pump (18) which pumps a balancing fluid to respective balancing chambers (12/14) via flexible tubing (17). In an arrangement which employs four balancing chambers (12/14 and 13/15), two peristaltic pumps (18 and 23) may be employed to control the flow of balancing fluid between respective pairs of the chambers. The radial positioning of the peristaltic pumps is not fixed, but may be selected in response to specific characteristics of the application. In addition, the pump motors (25 and 26) may be configured to drive the peristaltic pump rollers by operation of the rotation of the motor shaft, or the motor housing. The tubing along which the balancing fluid is conducted need not have a circular cross-section, and may be installed in a groove or cavity (65) of the balancing arrangement so as to secure against centrifugal forces and prevent ballooning effects. Variations in air pressure which are developed amongst the balancing chambers by operating of the delivery and withdrawal of balancing fluid are equilized via capillary passages (28 and 29) which interconnect ones of the balancing chambers.
    • 用于旋转机器元件的平衡器装置(10)使用蠕动泵(18),其通过柔性管道(17)将平衡流体泵送到相应的平衡室(12/14)。 在采用四个平衡室(12/14和13/15)的布置中,可以使用两个蠕动泵(18和23)来控制各对室之间的平衡流体的流动。 蠕动泵的径向定位不是固定的,而是可以响应于应用的特定特性来选择。 此外,泵马达(25,26)可以构造成通过马达轴或马达壳体的旋转运动来驱动蠕动泵辊。 导向平衡流体的管道不必具有圆形横截面,并且可以安装在平衡装置的凹槽或空腔(65)中,以便抵抗离心力并防止气球效应。 通过操作平衡流体的输送和取出在平衡室中产生的空气压力的变化通过将一个平衡室相互连接的毛细通道(28和29)来确定。