Toilet bowl discharge valve assembly

Details Toilet bowl discharge valve assembly Toilet bowl discharge valve assembly

E - Fixed Constructions

03

D

E03D 5/02 (2006.01) E03D 9/05 (2006.01) E03D 11/02 (2006.01)

Patent

CA 2664092

Disclosed are trap valve assemblies for controlling flow from a toilet bowl to a trap way. In one form there is a cartridge unit positionable immediately below a toilet bowl discharge outlet. It has a pivotable gate in a form of a spherical segment. The gate has an eccentric pivoting motion so that it can swing from an open position to a blocking/closing position in which it fully contacts a sealing gasket. The spherical segment has a leading edge which is approximately between +40° and -40° from vertical when the gate is in an open position, to minimize the energy required to close the gate. In another form a ball and socket connection to the gate valve facilitates sealing.

L'invention concerne un ensemble de clapet antiretour contrôlant l'écoulement d'une cuvette de W.C. à un clapet antiretour. Dans une application, une unité de cartouche peut être positionnée immédiatement sous le clapet antiretour de la cuvette de W.C. Ladite cartouche est munie d'un segment sphérique formant un volet pivotant doté d'un mouvement de pivotement excentrique, de telle sorte que le dit volet peut pivoter d'une position ouverte à une position de blocage/fermeture dans laquelle ledit volet entre en contact complet avec un joint étanche. Le segment sphérique présente un bord avant qui forme un angle d'approximativement +40° à -40° de la verticale lorsque le volet est en position ouverte, ce qui minimise l'énergie requise pour fermer le volet. Sous une autre forme, l'étanchéité du volet du clapet antiretour est assurée par un raccordement à rotule et à douille.

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