Pressure sensor header having an integrated isolation diaphragm

Details Pressure sensor header having an integrated isolation diaphragm Pressure sensor header having an integrated isolation diaphragm

2007-02-06

2008-10-07

Lee, K. Richard (Department: 2832)

Electrical resistors

Resistance value responsive to a condition

Fluid- or gas pressure-actuated

C338S039000, C073S714000

Reexamination Certificate

active

07432795

ABSTRACT:
A pressure sensor header for a pressure transducer includes a header shell having a sensor cavity formed therein, a sensor element disposed in the sensor cavity, a fluid medium disposed in the sensor cavity, an isolation diaphragm closing the sensor cavity, and a joining arrangement disposed at an interface of the isolation diaphragm and the header shell, the joining arrangement joining the isolation diaphragm with the header shell. The isolation diaphragm is an integral unit comprising a thin membrane surrounded by a thicker outer ring. The joining arrangement has a recessed female joining element formed in one of the outer ring of the isolation diaphragm and the header shell, and a protruding male joining element formed on the other one of the outer ring of the isolation diaphragm and the header shell, the male joining element received in the female joining element.

REFERENCES:
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patent: 4695817 (1987-09-01), Kurtz et al.
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patent: 6577224 (2003-06-01), Kurtz
patent: 6604429 (2003-08-01), Pitzer
patent: 2003/0200812 (2003-10-01), Kuhn et al.

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