HIGH PRESSURE SENSOR
A construction concept for high-pressure sensors is provided, enabling simple and economical manufacture of reliable high-pressure sensors even for pressure ranges above 2200 bar. A high-pressure sensor of this kind encompasses a sensor element for pressure sensing and a connector piece for coupling...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A construction concept for high-pressure sensors is provided, enabling simple and economical manufacture of reliable high-pressure sensors even for pressure ranges above 2200 bar. A high-pressure sensor of this kind encompasses a sensor element for pressure sensing and a connector piece for coupling the sensor element to a measured system, a diaphragm being embodied over a blind opening in the base element of the sensor element, a pressure conduit being embodied in the base element of the connector piece, and the sensor element being mounted on the connector piece in such a way that the diaphragm can be impinged upon, through the pressure conduit that opens into the blind opening, by a measured pressure. The blind opening in the base element of the sensor element is embodied, at least in one portion, in a manner tapering conically toward the diaphragm, and that end of the pressure conduit which faces toward the sensor element is tubular in shape. This tubular end of the pressure conduit is pressed into the blind opening so that the tube wall is pressed, at least in a circumferential region, sealingly against the side wall of the blind opening. |
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