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1. 发明授权

US5265478A Fluid flow monitoring device 失效
标题翻译：流体流量监测装置
公开(公告)号：US5265478A
公开(公告)日：1993-11-30
申请号：US664717
申请日：1991-03-05
申请人： Mark D. McKay , Chad E. Sweeney , B. Samuel Spangler, Jr.
发明人： Mark D. McKay , Chad E. Sweeney , B. Samuel Spangler, Jr.
IPC分类号： G01F1/44 , G21C17/032 , G21C17/112
CPC分类号： G21C17/032 , G01F1/44 , G21C17/112 , G21Y2002/204 , G21Y2002/301 , G21Y2004/30
摘要： A flow meter and temperature measuring device comprising a tube with a body centered therein for restricting flow and a sleeve at the upper end of the tube to carry several channels formed longitudinally in the sleeve to the appropriate axial location where they penetrate the tube to allow pressure measurements and temperature measurements with thermocouples. The high pressure measurement is made using a channel penetrating the tube away from the body and the low pressure measurement is made at a location at the widest part of the body. An end plug seals the end of the device and holes at its upper end allow fluid to pass from the interior of the tube into a plenum. The channels are made by cutting grooves in the sleeve, the grooves widened at the surface of the sleeve and then a strip of sleeve material is welded to the grooves closing the channels. Preferably the sleeve is packed with powdered graphite before cutting the grooves and welding the strips.
摘要翻译：一种流量计和温度测量装置，其包括管体，其中心在其中用于限制流动的管体和在管的上端处的套筒，以承载在套筒中纵向形成的多个通道到适当的轴向位置，其中它们穿透管以允许压力用热电偶进行测量和温度测量。使用穿过管远离身体的通道进行高压测量，并且在身体最宽部分的位置进行低压测量。端塞密封装置的端部，并且其上端的孔允许流体从管的内部进入通风室。通道是通过在套管中切割凹槽制成的，凹槽在套筒的表面加宽，然后将一条套筒材料焊接到封闭通道的凹槽上。优选地，在切割凹槽并焊接条之前，套筒装有粉状石墨。

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