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1. 发明授权

US4776218A Pressure sensing device 失效
标题翻译：压力传感装置
公开(公告)号：US4776218A
公开(公告)日：1988-10-11
申请号：US96779
申请日：1987-09-14
申请人： Takao Sawa , Masaki Sahashi , Susumu Hashimoto , Akira Ishii
发明人： Takao Sawa , Masaki Sahashi , Susumu Hashimoto , Akira Ishii
IPC分类号： G01L7/08 , G01L9/00 , G01L13/02 , G01L9/06
CPC分类号： G01L19/142 , G01L13/025 , G01L19/0038 , G01L19/0645
摘要： A pressure sensing device of this invention has a first diaphragm for defining a first pressure transmission chamber within a housing assembly with a pressure transmission fluid sealed therein and a second diaphragm for defining a second pressure transmission chamber within the housing assembly with a pressure transmission fluid sealed therein. The pressures of first and second measuring fluids both act upon the side opposite to that on which the corresponding diaphragm faces the corresponding pressure transmission chamber. The first and second diaphragms are both formed of a metal sheet having the modulus of 2,000 to 15,000 Kg/mm.sup.2. A pressure-sensing element is disposed between the pressure transmission chambers to sense a differential pressure level between the pressure transmission chambers.
摘要翻译：本发明的压力传感装置具有第一隔膜，用于在壳体组件内界定第一压力传递室，其中密封有压力传递流体，第二隔膜用于在壳体组件内限定第二压力传递室，压力传输流体密封其中。第一和第二测量流体的压力都作用在与相应的隔膜面对相应的压力传递室相反的一侧。第一和第二隔膜都由具有2,000至15,000Kg / mm 2的模量的金属片形成。压力传感元件设置在压力传递室之间以感测压力传递室之间的压差水平。

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