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1. 发明授权

US3792605A Method and circuit for fluid pressure gaging 失效
标题翻译：流体压力传感器的方法和电路
公开(公告)号：US3792605A
公开(公告)日：1974-02-19
申请号：US3792605D
申请日：1972-03-20
申请人： BENDIX CORP
发明人： RABENAU R
IPC分类号： B23Q17/20 , G01B13/10 , G01B13/00
CPC分类号： G01B13/10 , B23Q17/20
摘要： A back pressure gaging circuit is disclosed of the type wherein gage tooling provided with one or more fluid jets disposed to be directed at a surface of a workpiece, with variations in the distance between the gage tooling and the workpiece causing variations in the effect the workpiece has on the pressure upstream of the jet, which effect is utilized to measure this distance. In the present invention, the pressure upstream of a fixed restriction which is in turn upstream of the gage tooling is adjusted so as to maintain a constant pressure at the reading head through variations in distance to the workpiece. The variations in pressure upstream of the restriction are then utilized to measure the variations in distance to the workpiece.
摘要翻译：公开了一种背压式测量电路，其中设置有一个或多个流体射流的量具工具设置成指向工件的表面，其中量具工具和工件之间的距离的变化导致工件的影响的变化具有喷射上游的压力，该效应用于测量该距离。在本发明中，调整固定限位装置上游的压力，这些限制装置又在量具工具的上游，以便通过距离工件的距离的变化来保持读头的恒定压力。然后利用限制件上游压力的变化来测量与工件的距离的变化。

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