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    • 16. 发明授权
    • Pressure vacuum breaker cover assembly
    • 压力真空断路器盖组件
    • US06397882B1
    • 2002-06-04
    • US09795035
    • 2001-02-26
    • David C. Anderson
    • David C. Anderson
    • E03C110
    • E03C1/102Y10T137/7036Y10T137/7062
    • A pressure vacuum breaker cover assembly for protecting a vacuum breaker while simultaneously improving the appearance. The inventive device includes a pair of covers having a shell structure attachable to one another about a vacuum breaker. Each of the covers includes a lip that mates with the opposing cover lip, a plurality of apertures that allow the securing of the covers together with a conventional fastener, a lower cutout for receiving a lower pipe, and a side cutout for receiving an upper pipe from the vacuum breaker. The covers are preferably constructed of a STYROFOAM or polyfoam material for insulating and protecting the vacuum breaker and pipes. The exterior surface of the covers may be painted to match the exterior of the building structure.
    • 一种用于保护真空断路器同时改善外观的压力真空断路器盖组件。 本发明的装置包括一对罩,其具有围绕真空破坏器彼此相连的外壳结构。 每个盖包括与相对的盖唇缘配合的唇缘,允许通过常规紧固件固定盖的多个孔,用于接纳下管的下切口和用于接收上管的侧切口 从真空断路器。 盖子优选由用于绝缘和保护真空断路器和管道的STYROFOAM或聚苯乙烯材料构成。 盖的外表面可以被涂漆以与建筑结构的外部相匹配。