Measuring and testing – Fluid pressure gauge – With protective separator
Reexamination Certificate
2004-04-06
2008-10-21
Allen, Andre J (Department: 2855)
Measuring and testing
Fluid pressure gauge
With protective separator
C073S716000
Reexamination Certificate
active
07437937
ABSTRACT:
A relative pressure measuring transmitter resistant to the intrusion of moisture. includes a housing, an insert arranged in the housing, a gap existing between the housing and the insert, a relative pressure sensor, and, connected to the relative pressure sensor, a reference pressure supply line, which leads into the insert, opens on an outer wall of the insert, and has an interior, which is connected via an opening in insert with the gap The housing has a bore passing through it, via which the gap is placed in communication with an environment of the relative pressure measuring transmitter.
REFERENCES:
patent: 5036884 (1991-08-01), Miller et al.
patent: 5725024 (1998-03-01), Nimberger
Becher Raimund
Tanner Juergen
Allen Andre J
Bacon & Thomas PLLC
Endress & Hauser GmbH & Co. KG
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