Method and apparatus for testing of carbon monoxide detectors
December 8, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3242715 Powdered metal source for production of heat and hydrogen gas Flexible electrochemical heater Flameless heater product for ready-to-eat meals and process for making same Functional testing method for toxic gas sensors Optical obscruation smoke monitor having a shunt flow path located between two access ports Exothermic heater device Method and apparatus for testing heat detectors Automatic calibration method for carbon monoxide monitors Patent #: 5659125 InventorsAssigneeApplicationNo. 986928 filed on 12/08/1997US Classes:73/1.06, Gas73/1.02, Gas or liquid analyzer340/515Simulation of conditionExaminersPrimary: Larkin, Daniel S.Attorney, Agent or FirmInternational ClassG01N 001/22AbstractA method for operationally testing a wall mounted electronic carbon monoxide detector by temporarily hanging a test enclosure over the installed carbon monoxide detector so as to define a closed space between the test enclosure and the wall surface, and introducing a test gas into the enclosed space to determine the operational status of the detector. Hydrogen gas may be used as the test gas and generated by wetting a wafer of supercorroding alloy in the enclosure. | |
