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US 11,793,422 B2Granted
Sensing system for respirator
Assignee3M Innovative Properties Company
InventorsRichard C. Webb, Andrew S. Viner, Nicholas G. Amell, Andrew P. Bonifas, Neal A. Rakow
Life of this patent
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Abstract
A system includes a respirator, a sensor including a sensing element, and a reader configured to be in wireless communication with the sensor. The sensor is positioned substantially within an interior gas space of the respirator.
Claims18
A system comprising:
- a respirator;
- a sensor comprising a sensing element, wherein the sensor is positioned substantially within an interior gas space of the respirator, and
- a reader configured to be in wireless communication with the sensor
- wherein the system is configured to detect leakage of unfiltered air containing a fluid-soluble particulate matter into the interior gas space by sensing a change in an electrical property of the sensing element when exposed to the fluid-soluble particulate matter.
1 more element
Dependencies are inferred from the claim text.