A drainage assembly

E - Fixed Constructions – 03 – F

Patent

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Details

E03F 5/14 (2006.01) E03C 1/26 (2006.01) E03C 1/262 (2006.01) E03C 1/264 (2006.01) E03F 7/02 (2006.01)

Patent

CA 2521012

A drainage assembly (10) comprising a cylindrical outer body (11) and cylindrical basket (12) have co-operating threads (13 and 14). a slotted flow though lid (15) is hinged at (16) to the body so that the lid (15) may be lifted to gain access to the basket (12). A centrally located cross bar (17) allows the basket to be rotated automatically moved axially in the direction of the arrow (18) to remove the basket from the assembly and release a basket actuated valve member (19) biassed by biassing spring (20) to close off annular drainage opening (21) when the basket (12) is removed. A ball valve at (25) may be used to shut off flow through the assembly manually using a ball valve actuator (26) independently of the basket.

L'invention concerne un ensemble de drainage (10) comprenant un corps externe cylindrique (11) et une corbeille cylindrique (12) comportant des filets (13) et (14) correspondants. L'ensemble comprend également un couvercle à écoulement continu à fentes (15) monté pivotant sur le corps par une charnière (16), pouvant être soulevé pour accéder à la corbeille (12). Une barre transversale centrale (17) permet de tourner automatiquement la corbeille et de la déplacer de façon axiale dans le sens de la flèche (18), de la retirer de l'ensemble et de libérer un élément de vanne actionné par la corbeille (19) contraint par un ressort (20). Lorsque la corbeille (12) est retirée, cet élément est libéré et ferme une ouverture de drainage annulaire (21). L'ensemble peut également comprendre une vanne à bille (25) permettant de fermer le circuit d'écoulement manuellement à l'aide d'un vérin à vanne à bille (26) indépendant de la corbeille.

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