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1. 发明授权

US06322618B1 Adjustable duct assembly for fume and dust removal and filter cleaner 失效
标题翻译：可调风管组件，用于排烟和除尘
公开(公告)号：US06322618B1
公开(公告)日：2001-11-27
申请号：US09420426
申请日：1999-10-19
申请人： Maury Simms , Robin Boudreault , Marco Finauri
发明人： Maury Simms , Robin Boudreault , Marco Finauri
IPC分类号： B01D4604
CPC分类号： B01D46/0068 , B01D46/10 , B08B15/002
摘要： An adjustable duct assembly for the collection of fumes, dust and the like comprises two duct sections connected end to end by a duct support system comprising two elongate arms pivotally connected, the arms attached to the adjacent ends of the ducts, externally. A counterbalance arm extends from the duct support of a lower or outer duct section beyond the pivot point of the elongate arms, to counterbalance the lower or outer arms. A filter arrangement may be associated with the duct assembly, consisting of a generally planar filter element within a housing. A travelling nozzle arrangement directs a stream of air in a direction countervailing the normal flow through the filter, for backwash cleaning of the filter. First and second drives propel the nozzle simultaneously across and along the filter, to provide full backwash cleaning coverage of the filter.
摘要翻译：用于收集烟雾，灰尘等的可调整的管道组件包括两个管道段，两个管道段由管道支撑系统端部到端部连接，管道支撑系统包括枢转地连接的两个细长臂，臂附接到管道的相邻端部。平衡臂从下部或外部管道部分的管道支撑件延伸超过细长臂的枢转点，以平衡下部或外部臂。过滤器装置可以与管壳组件相关联，该管道组件由壳体内的大致平面的过滤元件组成。行进喷嘴装置引导空气流反向通过过滤器的正常流动的方向，用于过滤器的反冲洗清洁。第一和第二驱动器同时跨过滤器推动喷嘴，以提供过滤器的全反洗清洁覆盖。

2. 发明授权

US06524180B1 Adjustable duct assembly for fume and dust removal 失效
标题翻译：可拆卸风管组件，用于除尘和除尘
公开(公告)号：US06524180B1
公开(公告)日：2003-02-25
申请号：US10078609
申请日：2002-02-19
申请人： Maury Simms , Robin Boudreault , Marco Finauri
发明人： Maury Simms , Robin Boudreault , Marco Finauri
IPC分类号： B08B1502
CPC分类号： B08B15/002
摘要： An adjustable duct assembly for the collection of fumes, dust and the like comprises two duct sections pivotally connected end to end and to a base by an external duct support system. The duct sections are retained in a selected position without the need for any friction fittings by a combination of a counterbalance arm extending from the duct support of a lower or outer duct section beyond the pivot point of the elongate arms, to counterbalance the lower or outer arms, and a retraction or tension-applying arm which holds the inner duct section in position.
摘要翻译：用于收集烟雾，灰尘等的可调节管道组件包括两个通过外部管道支撑系统枢转地连接到端部并且通过外部管道支撑系统连接到基座的管道部分。管道部分被保持在选定的位置，而不需要通过从下部或外部管道部分的管道支撑件延伸超过细长臂的枢转点的平衡臂的组合来抵消任何摩擦配件，以平衡下部或外部臂，以及将内管部分保持就位的收缩或张紧臂。

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