Pressure transducer capable of detecting internal leakage of...

Details Pressure transducer capable of detecting internal leakage of... Pressure transducer capable of detecting internal leakage of...

2005-08-30

2005-08-30

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

Mounting and connection

Reexamination Certificate

active

06935184

ABSTRACT:
A pressure transducer capable of detecting leakage of media into the pressure transducer. The pressure transducer comprises a spacer having first and second ends. A first header assembly containing a first pressure sensor for measuring a pressure of the media, is sealingly disposed at the first end of the spacer. A second header assembly containing a second pressure sensor, is sealingly disposed at the second end of the spacer. The spacer, first header assembly, and second header assembly form a hermetically sealed leak detection cavity for capturing the media that leaks past the first header assembly. In operation, the media captured in the leak detection cavity generates a pressure which is sensed by the second pressure sensor.

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patent: 5284061 (1994-02-01), Seeley et al.
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patent: 6612178 (2003-09-01), Kurtz et al.
patent: 6817228 (2004-11-01), Upton et al.
patent: 2003/0184018 (2003-10-01), Upton et al.
patent: 2004/0135666 (2004-07-01), Kurtz et al.
patent: 2004/0216514 (2004-11-01), Nunnally et al.

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