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发明公开
CN105452725A 具有反转滚柱丝杠的阀操作器组件 无效 - 撤回

具有反转滚柱丝杠的阀操作器组件
摘要：
提供了一种用于阀的阀操作器组件，包括适于安装在阀的阀盖上的壳体(18)、相对于所述壳体可旋转地安装的输入构件(20)、以及反转滚柱丝杠机构(22)，其包括适于连接到阀的阀杆的丝杠(24)、围绕并且与所述丝杠同轴的螺母(28)，所述螺母连接到所述构件，以及包括多个滚柱(32)，其沿径向设置在所述丝杠和螺母之间。
摘要（英）：

A valve operator assembly is provided for a valve and comprising a housing (18) adapted to be mounted on a bonnet of the valve, an input member (20) rotatably mounted with respect to said housing and an inverted roller screw mechanism (22) comprising a screw (24) adapted to be connected to a valve stem of the valve, a nut (28) surrounding and coaxial with said screw, said nut being connected to the input member, and a plurality of rollers (32) radially disposed between the screw and the nut.

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