Carrier Corporation

Robert L Fillmore

Jon K Evju

Gary J Follett

Anand Venkatesh Sankarraj

A gas detector includes a membrane configured to define a sensing chamber of the gas detector; a strain sensor operatively connected to the membrane, the strain sensor configured for generating output signals related to strain in the membrane; and a controller operatively connected to the strain sensor, the controller configured to: determine a strain in the membrane based on the output signals; and determine a condition of the membrane based on the determined strain, wherein the determined condition indicates whether the membrane is blocked.

Systems and methods for membrane blockage detection in gas detectors

A flame detector that includes a spacer, a UV transparent window, and a UV sensing elements. The spacer has a spacer wall that extends along a first axis between a first spacer end and a second spacer end. The UV transparent window is disposed at the first spacer end. The spacer wall and the UV transparent window define a gas space. The UV sensing elements is disposed within the gas space.

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Bloomington, MN, United States of America

Robert L Fillmore