Measuring and testing – Fluid pressure gauge – Mounting and connection
Reexamination Certificate
2005-04-12
2005-04-12
Oen, William (Department: 2855)
Measuring and testing
Fluid pressure gauge
Mounting and connection
Reexamination Certificate
active
06877384
ABSTRACT:
A pressure measurement unit in a pressure measurement system has a housing section (8) which has an internal space (9) with internal surfaces, and a ceramic unit (1) which has a pressure diaphragm (2) and at least one external surface, with the ceramic unit (1) held in the press fit in the housing section (8) and with radial holding stresses operating between the external surface of the ceramic unit (1) and the internal surfaces of the housing section (8). A method for manufacturing a corresponding pressure measurement unit with a housing section (8) and with a ceramic unit (1) which has a pressure diaphragm (2) and at least one external surface, with holding stresses built up between the housing section (8) and the ceramic unit (1), which hold the ceramic unit (1) in the internal space of the housing section (8).
REFERENCES:
patent: 4449113 (1984-05-01), Gould et al.
patent: 4774626 (1988-09-01), Charboneau et al.
patent: 6543293 (2003-04-01), Kurtz et al.
patent: 19736306 (1998-03-01), None
patent: 19946163 (1999-09-01), None
patent: 0123855 (2001-04-01), None
Bronstein, Semendjajew, “Taschenbuch der Mathematik” published by Harry Deutsch, Thun 1985, p. 199, (no month).
Ante Johannes
Gilch Markus
Farber Martin A.
First Sensor Technology GmbH
Oen William
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