Environmental control system fluid sensing system and method

Matsiev, L (2005) Environmental control system fluid sensing system and method. US 2005/0145019 A1.

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Abstract

A sensor system and method for analyzing a fluid contained within an environmental control system, comprising the steps of providing a system including a passage for containing a thermal change fluid; placing a sensor including a mechanical resonator in the passage; operating the resonator to have at least a portion thereof translate through the fluid; and monitoring the response of the resonator to the fluid in the passage. A preferred sensor includes a tuning fork resonator.