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2. 发明申请

US20170010169A1 Differential Pressure Measuring Pickup 审中-公开
标题翻译：差压测量皮卡
公开(公告)号：US20170010169A1
公开(公告)日：2017-01-12
申请号：US15120604
申请日：2015-01-16
申请人： ENDRESS+HAUSER GMBH+CO. KG
发明人： Michael Hugel , Thomas Uehlin , Christian Hahn
IPC分类号： G01L13/02 , G01L19/00 , G01L9/00
CPC分类号： G01L13/026 , G01L9/0048 , G01L9/025 , G01L19/003 , G01L19/0046 , G01L19/0672
摘要： A differential pressure measuring pickup comprises a measuring pickup body and a differential pressure sensor. The measuring pickup body has a process interfacing surface with a first pressure input opening and a second pressure input opening. The differential pressure sensor can be loaded with a first pressure through the first pressure input opening and with a second pressure through the second pressure input opening. The first pressure input opening is closed by way of a first separating diaphragm and the second pressure input opening is closed by way of a second separating diaphragm. The first separating diaphragm is sealed with respect to the surroundings by way of a first seal, and wherein the second separating diaphragm is sealed with respect to the surroundings by way of a second seal. The differential pressure measuring pickup is tensioned during measuring operation with the process interfacing surface thereof against a process interfacing flange, wherein at least one plate-shaped spacer element with plane-parallel surfaces is clamped in between the process interfacing flange and the process interfacing surface, which spacer element defines the spacing between the process interfacing surface and the process interfacing flange and limits clamping of the seals between the process interfacing surface and the process interfacing flange.
摘要翻译：差压测量拾取器包括测量拾取器本体和差压传感器。测量拾取器主体具有与第一压力输入开口和第二压力输入开口的过程接口表面。压差传感器可以通过第一压力输入开口加载第一压力，并通过第二压力输入开口加载第二压力。第一压力输入开口通过第一分隔膜封闭，第二压力输入开口通过第二隔离膜封闭。第一分离膜片通过第一密封件相对于周围环境密封，并且其中第二隔离膜片通过第二密封件相对于周围环境被密封。差压测量拾取器在测量操作期间被张紧，其过程接口表面与工艺接口法兰紧固，其中具有平面平行表面的至少一个板状间隔件被夹紧在过程接合法兰和过程接合表面之间，该间隔元件限定了过程接合表面和过程接合法兰之间的间距，并限制了过程接合表面和过程接合法兰之间的密封件的夹紧。

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