Sensor with water ingress protection

Measuring and testing – Volume or rate of flow – Using differential pressure

Reexamination Certificate

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Details

C137S039000

Reexamination Certificate

active

07340966

ABSTRACT:
A gas monitoring system that comprises a sensor, a first valve, and a second valve. The sensor is disposed within a sensor housing that has an inlet and an outlet. The sensor generates a signal based on a characteristic of a gas within the housing. The first valve is disposed at the inlet. The second valve is disposed at the outlet. The first valve and the second valve open and close based on an orientation of the sensor housing.

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patent: 5031790 (1991-07-01), Keller
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patent: 5868159 (1999-02-01), Loan et al.
patent: 6279401 (2001-08-01), Karas
patent: 6319375 (2001-11-01), Warburton
patent: 6915705 (2005-07-01), Truitt et al.

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