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1. 发明授权

US4957214A Modification to floating roof tank design 失效
标题翻译：浮顶设计改造
公开(公告)号：US4957214A
公开(公告)日：1990-09-18
申请号：US235606
申请日：1988-08-24
申请人： Leslie M. Lenny
发明人： Leslie M. Lenny
IPC分类号： B65D88/34
CPC分类号： B65D88/34 , Y10T137/3006
摘要： The present invention relates to floating roof storage tanks, having a tank shell which is supported on a fixed base, and a floating roof supported by the liquid stored in the tank. Included in the base or roof is a displacement means to substantially displace the stored liquid when the floating roof is in its lowest position. In this way the volume of the heel of liquid unable to be removed from the tank is reduced. The displacement means can take the form of a container which protrudes downwardly from the roof, or a layer of ballast on the base of the tank. The ballast layer can be a liquid heavier than the stored liquid which can be retained in a dam if desired.
摘要翻译：本发明涉及浮动屋顶储罐，其具有支撑在固定基座上的罐壳和由储存在罐中的液体支撑的浮顶。包括在基座或屋顶中的是当浮动屋顶处于其最低位置时基本上使储存液体移位的位移装置。以这种方式，不能从罐中取出的液体的跟部的体积减小。位移装置可以采取从屋顶向下突出的容器的形式，或罐的底部上的一个镇流器。压载层可以是比储存液体更重的液体，如果需要，其可以保留在坝中。

2. 发明授权

US4790447A Modification to floating roof tank design 失效
标题翻译：浮顶设计改造
公开(公告)号：US4790447A
公开(公告)日：1988-12-13
申请号：US910298
申请日：1986-09-17
申请人： Leslie M. Lenny
发明人： Leslie M. Lenny
IPC分类号： B65D88/34 , B65D88/40 , B65D88/54
CPC分类号： B65D88/34 , Y10S210/09 , Y10T137/0352 , Y10T137/3006 , Y10T137/4824 , Y10T137/8593
摘要： A floating roof liquid storage tank, having a tank shell which is supported on a fixed base, and a floating roof supported by the liquid stored in the tank. Included in the base or roof is a displacement device to substantially displace the stored liquid when the floating roof is in its lowest position. In this way the volume of the heel of liquid unable to be removed from the tank is reduced. The displacement device can take the form of a container which protrudes downwardly from the roof, or a layer of ballast on the base of the tank. The ballast layer can be a liquid heavier than the stored liquid which can be retained in a dam if desired.
摘要翻译：具有支撑在固定基座上的罐壳的浮顶液储罐，以及储存在罐中的液体支撑的浮顶。包括在基座或屋顶中的是位移装置，当浮顶处于其最低位置时基本上使储存的液体移位。以这种方式，不能从罐中取出的液体的跟部的体积减小。位移装置可以采取从屋顶向下突出的容器的形式，或者在罐的底部上的一个镇流器。压载层可以是比储存液体更重的液体，如果需要，其可以保留在坝中。

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