公开(公告)号：US06865754B2

公开(公告)日：2005-03-15

申请号：US10617089

申请日：2003-07-11

Applicant: Brian MacLean ,  Brent M. Howe

Inventor： Brian MacLean ,  Brent M. Howe

IPC: B01D17/02 ,  B01D21/00 ,  E04H4/10

CPC classification number: E04H4/108 ,  B01D17/0208 ,  B01D21/0003

Abstract: In the present invention, there is provided a removable cover for retaining off-gases inside a clarifier. The cover comprises trusses extending across the clarifier and a flexible sheet laid across the trusses. Structural angles enclose the clarifier and constitute a kick plate on the walkways around the clarifier for improving the safety of workers. One side of the flexible sheet is permanently affixed to a first wall of the clarifier. A series of pullers are mounted inside the structural angles for pulling and releasably sealing the three other sides of the flexible sheet against the outmost trusses and against a second wall of the clarifier opposite the first wall. Each puller has a cable-deflector bar extending substantially at a same level as a mounting surface of the puller for increasing an angle of downward pull on the flexible sheet. The flexible sheet is rolled-up along the trusses to expose machinery inside the clarifier.

Abstract translation: 在本发明中，提供了一种用于将澄清器内的废气保持在可移除的盖子上。 盖子包括延伸穿过澄清器的桁架和横跨桁架的柔性片材。 结构角度包围净化器，并在澄清池周围的人行道上构成踢脚板，以提高工人的安全。 柔性片的一侧永久地固定在澄清器的第一壁上。 一系列拉拔器安装在结构角内部，用于拉动和可释放地将柔性片材的三个另外侧面紧贴在最外面的桁架上并且抵靠与第一壁相对的澄清器的第二壁。 每个拉拔器具有基本上与拉拔器的安装表面基本上延伸的电缆导向杆，用于增加柔性片上向下拉的角度。 柔性片材沿着桁架卷起以暴露澄清器内的机械。

公开(公告)号：US06612079B2

公开(公告)日：2003-09-02

申请号：US10120431

申请日：2002-04-12

Applicant: Claude J. DeGarie ,  Brent M. Howe ,  Brian R. MacLean

Inventor： Claude J. DeGarie ,  Brent M. Howe ,  Brian R. MacLean

IPC: E04H410

CPC classification number: E04H4/108 ,  B01D17/0208 ,  B01D21/0003

Abstract: In the present invention, there is provided a removable cover for retaining off-gases inside a clarifier. The cover comprises trusses extending across the clarifier and a flexible sheet laid across the trusses. Structural angles enclose the clarifier and constitute a kick plate on the walkways around the clarifier for improving the safety of workers. One side of the flexible sheet is permanently affixed to a first wall of the clarifier. A series of pullers are mounted inside the structural angles for pulling and releasably sealing the three other sides of the flexible sheet against the outmost trusses and against a second wall of the clarifier opposite the first wall. Each puller has a cable-deflector bar extending substantially at a same level as a mounting surface of the puller for increasing an angle of downward pull on the flexible sheet. The flexible sheet is rolled-up along the trusses to expose machinery inside the clarifier.