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US 10,989,477 B2Granted
Apparatus and method for conducting hot work
AssigneeSafezone Safety Systems, LLC
InventorsDavid Allen Dore, Robert C. Tucker, Chad A. Grand
Life of this patent
Estimating the term…
Abstract
In the specification and drawings, an apparatus for conducting hot work is described and shown with an enclosure; a hot work apparatus operable within the enclosure; and a detector located exterior of the enclosure, the detector being in detecting communication with the interior of the enclosure, such that the detector detects the presence of a condition within the enclosure. A method of conducting hot work is also described and shown.
Claims6
A method of detecting a combustible gas entering an enclosure by detecting a pressure drop in the atmosphere within the enclosure comprising:
- a. transferring air from an exterior of the enclosure to an interior of the enclosure;
- b. detecting a level of combustible gas in or near to a source of the air transferred from the exterior of the enclosure to the interior of the enclosure;
- c. stopping said transferring of air from the exterior of the enclosure to the interior of the enclosure in response to said detecting a level of combustible gas;
- and
- d. detecting a pressure drop in the atmosphere within the enclosure so as to detect a combustible gas entering the enclosure.
2 more elements
Dependencies are inferred from the claim text.