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    • 4. 发明授权
    • Apparatus and method for determining the air leakage characteristics of
a structure
    • 用于确定结构的空气泄漏特性的装置和方法
    • US4517826A
    • 1985-05-21
    • US373971
    • 1982-05-03
    • Charles ColeWayne Cole
    • Charles ColeWayne Cole
    • G01M3/26
    • G01M3/26
    • An apparatus and method for measuring the air leakage rate of a structure, such as a building, for the purpose of assessing the need to add caulking, weatherstripping or the like to the building to minimize energy loss. The equipment includes 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.
    • 用于测量诸如建筑物的结构的空气泄漏率的装置和方法,用于评估对建筑物的填缝,密封条纹等的需要以最小化能量损失。 该设备包括面板,其可以方便地装配到建筑物的门口或窗框中,并将其密封以防止空气泄漏,除了通过面板的空气路径。 该路径具有风扇等,用于使空气流过路径,优选从内向外流动以在建筑物内部产生部分真空。 提供压力传感器来测量空气通道内的部分真空和空气压力。 根据这些测量和对建筑结构的总内部体积的了解,结构的空气泄漏速率可以被确定并表示为例如每小时总体积变化的数量。 该设备是便携式的,并且可以用于几乎任何没有结构修改的建筑物。