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1. 发明授权

US3906786A Overload protector for torquemeter 失效
标题翻译：扭矩计过载保护器
公开(公告)号：US3906786A
公开(公告)日：1975-09-23
申请号：US46079974
申请日：1974-04-15
申请人： WEATHERHEAD CO
发明人： WESTBROOK CARL M
IPC分类号： G01L3/04
CPC分类号： G01L3/04
摘要： A torque sensing instrument is disclosed which detects angular deflection of a shaft to determine torque imposed thereon. The sensing instrument includes a nozzle member positioned to direct fluid in a direction substantially tangentially of the shaft axis and an anvil member spaced a predetermined distance from and facing the nozzle member for impeding flow therefrom. Those members are moved toward each other as a function of torsional load imposed on the shaft. A fluid under constant pressure is delivered to the nozzle member and variations in pressure caused by a change in distance between nozzle and anvil members are detected to indicate torsional forces on the shaft. The anvil member includes a displaceable portion, such as a thinned neck section, which permits overload movement of the members toward each other beyond the predetermined initial distance to prevent deformation or damage to the nozzle member.
摘要翻译：公开了一种扭矩检测仪器，其检测轴的角度偏转以确定施加在其上的扭矩。感测仪器包括喷嘴构件，该喷嘴构件定位成沿着轴线的大致切向的方向引导流体，以及与该喷嘴构件间隔开预定距离并且面向喷嘴构件以阻止其流动的砧构件。这些构件作为施加在轴上的扭转载荷的函数彼此相对移动。在恒定压力下的流体被输送到喷嘴构件，并且检测由喷嘴和砧座构件之间的距离变化引起的压力变化，以指示轴上的扭转力。砧构件包括可移动部分，例如变薄的颈部，其允许构件彼此超过预定的初始距离而过度地运动，以防止变形或损坏喷嘴构件。

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