G - Physics – 01 – M
Patent
G - Physics
01
M
73/118
G01M 3/26 (2006.01)
Patent
CA 1186165
- 1 - Abstract: The invention relates to an apparatus and method for assessing the air tightness of a structure, such as a building, for the purpose of estimating the need to add caulking, weatherstripping or the like to the building to minimize energy loss. The equipment includes an adjust- able frame and a panel which may conveniently fit into a doorway or window frame of the building and seal the same against air leakage except for an air pathway passing through the panel. The pathway has a fan or the like for causing air to flow through the pathway, preferably from the inside to the outside to create a partial vacuum inside the building. Pressure sensors are provided to measure the partial vacuum and the air pressure inside the air pathway. From these measurements and a knowledge of the total internal volume of the building structure, the air leakage rate of the structure can be determined and expressed, for example, as a number of total volume changes per hour. The apparatus is portable and can be used for almost any building without structural modification.
381943
Cole Charles
Cole Wayne
Ener-Corp Management Limited
Kirby Eades Gale Baker
LandOfFree
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