Pressure sensor apparatus including stems provided with...

Details Pressure sensor apparatus including stems provided with... Pressure sensor apparatus including stems provided with...

2005-08-30

2005-08-30

Noori, Max (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

Reexamination Certificate

active

06935182

ABSTRACT:
A first end of each hollow stem includes a diaphragm and a strain gauge, and a second end of each stem includes an opening. A housing includes a plurality of stem receiving through holes, each of which receives the corresponding stem. An O-ring is arranged in each through hole such that the O-ring is placed adjacent an end surface of the second end of the stem, which is axially inwardly spaced from a surface of the side of the housing. When the stems and the housing are integrally installed over the device under test, each O-ring seals between the end surface of the second end of the corresponding stem and the device under test.

REFERENCES:
patent: 4986861 (1991-01-01), Nishida et al.
patent: 5866822 (1999-02-01), Willig
patent: 6312061 (2001-11-01), Schliebe et al.
patent: 6732590 (2004-05-01), Gottlieb et al.
patent: A-S58-34772 (1983-07-01), None
patent: A-H04-270929 (1992-09-01), None
patent: H09-138173 (1997-05-01), None
patent: WO 00/30909 (2000-06-01), None

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