Pressure sensor for low-viscosity media
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United States of America Patent
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Jul 7, 2015
Grant Date -
Oct 25, 2012
app pub date -
Nov 18, 2010
filing date -
Nov 25, 2009
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Abstract
A sensor for measuring pressures in low-viscosity media for use in injection molding includes a housing with an axis A, a flat end face to be exposed to a pressure space, and a diaphragm that is arranged on the end face and is permanently connected to the housing. A measuring element that can infer a pressure prevailing in the pressure space on the basis of deflection of the diaphragm is arranged behind the diaphragm. A pressure sleeve that is tightly connected to the sensor on the end face and is arranged at a distance from the housing with a gap behind this connection is arranged coaxially with the housing axis A outside the housing. The gap extends axially further across the measuring element than the region of the force path in the direction away from the pressure space.
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