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ENERGY SAVING DEVICE FOR HABITABLE BUILDING ENCLOSURES HAVING A HEAT CHANGING SYSTEM
ENERGY SAVING DEVICE FOR HABITABLE BUILDING ENCLOSURES HAVING A HEAT CHANGING SYSTEM
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机译:带有换热系统的可移动建筑外壳的节能设备
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摘要
ABSTRACT OF THE INVENTIONA uni-directional valve arrangement placed in apredetermined location between a habitable enclosure and aheating or cooling system which is exposed to outdoor tempera-tures prevents air of undesirable temperature in the systemfrom passing into the enclosure by gravity flow.
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