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公开(公告)号：EP3344966B1
公开(公告)日：2019-08-07
申请号：EP16716530.7
申请日：2016-04-12
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2.发明公开
公开(公告)号：EP3344966A1
公开(公告)日：2018-07-11
申请号：EP16716530.7
申请日：2016-04-12
CPC分类号： G01L9/0064 , G01L9/0052 , G01L13/025 , G01L23/18
摘要： The invention relates to a pressure sensor arrangement having a tube (2), in the cross section of which a diaphragm (1) is arranged, to which diaphragm the pressure to be measured is applied. The diaphragm (1) is fastened to the tube inner wall by means of an articulation (5) running along the circumferential region of the diaphragm (1). Deformation of the diaphragm (1) results in rotation of the articulation (5) directly on the wall of the tube (2) and can therefore be detected from the outside by suitable means (7, 8). This has the advantage that strain sensors (7, 8), for example, which can be used to detect deformation are not in contact with the process medium and there is no need for a pressure-tight bushing for electrical signals. The pressure sensor arrangement is distinguished by a particularly simple structure and can be advantageously used in measuring transducers for process instrumentation.
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公开(公告)号：EP3384263B1
公开(公告)日：2019-07-03
申请号：EP16745484.2
申请日：2016-08-02
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4.发明公开
公开(公告)号：EP3384263A1
公开(公告)日：2018-10-10
申请号：EP16745484.2
申请日：2016-08-02
CPC分类号： G01L9/0044 , G01L9/0072 , G01L13/025 , G01L19/0618 , G01L19/141
摘要： The invention relates to a pressure sensor assembly (1) having a tube (2), wherein a membrane (3) to which the pressure (P) to be measured is applied is arranged in the cross-section of the tube. The membrane (3) has a high flexural rigidity in the central region and is mounted resiliently in the edge region in the tube (2) by means of two limbs (8, 9). Means (7, 14, 15) for detecting the axial displacement are easily accessible from the outside on the outer side of the tube (2) and are advantageously not in contact with the process medium. The pressure sensor assembly (1) is characterized in that it has a particularly simple structural design and can be used advantageously in measurement transducers for process instrumentation.
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