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热词
    • 10. 发明授权
    • Sensor
    • 传感器
    • US4640135A
    • 1987-02-03
    • US745282
    • 1985-06-14
    • Walter KastelWolfgang Geiger
    • Walter KastelWolfgang Geiger
    • G01L13/00G01L7/08G01L19/06
    • G01L19/0645
    • A pressure sensor has a housing in which at least two diaphragms are secured in such a manner that they include a volume which is filled with a hydraulic fluid. The incompressible hydraulic fluid serves to transmit pressure between the diaphragms. For introducing the hydraulic fluid one diaphragm is provided with an opening. A narrow tube is connected in fluid-tight manner to the edge of the opening. The hydraulic fluid is introduced through the initially still open end of the narrow tube. After the filling with hydraulic fluid the open end of the narrow tube is sealed in fluid-tight manner, for example by squeezing. The narrow tube can serve at the same time a force-transmitting or travel-transmitting member which connects the diaphragm to a force or travel sensor.
    • 压力传感器具有壳体,其中至少两个隔膜以这样的方式固定,使得它们包括填充有液压流体的容积。 不可压缩的液压流体用于在隔膜之间传递压力。 为了引入液压流体,一个隔膜设有开口。 窄管以流体密封的方式连接到开口的边缘。 液压流体通过狭窄管的初始静止开口端引入。 在用液压流体填充之后,窄管的开口端以流体密封的方式密封,例如通过挤压。 窄管可以同时用于将隔膜连接到力或行进传感器的力传递或行进传递构件。