首页>
外国专利>
Energy saving device for habitable building enclosures having a heat changing system
Energy saving device for habitable building enclosures having a heat changing system
展开▼
机译:具有换热系统的居住建筑围墙的节能装置
展开▼
页面导航
摘要
著录项
相似文献
摘要
A uni-directional valve arrangement placed in a predetermined location between a habitable enclosure and a heating or cooling system which is exposed to outdoor temperatures prevents air of undesirable temperature in the system from passing into the enclosure by gravity flow.
展开▼