F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 15/03 (2006.01)
Patent
CA 2187036
A dual plate check valve has flaps (6) mounted on one or more hinge pins (7). The ends of the hinge pins (7) are received in sockets in inserts (12), which inserts (12) are receivable in open-sided recesses (13) formed in the annular valve housing (1) and are held in place by a keeper (14) located in a generally radially outwardly extending slot (15) formed in that housing (1). Where a single hinge pin (7) is used in a vertical orientation to support both flaps (6), a cylindrical bearing member may be supported by a lower one of said inserts (12) to extend through a lower hinge lug (21) of the first flap and partially through a lower hinge lug (20) of the second flap, thereby to support the lower hinge lug of the second flap independently of the first flap.
L'invention concerne un clapet de non-retour muni de volets (6) montés sur un ou plusieurs axes (7). Les extrémités des axes (7) sont logées dans des douilles situées dans des renforts (12), lesquels renforts (12) se logent dans des évidements à ouverture latérale pratiqués dans le logement de clapet annulaire (1) et sont maintenus à l'aide d'une clavette (14) située dans une fente (15) radiale s'étendant vers l'extérieur et ménagée dans ledit logement (1). Lorsqu'un seul axe (7) est utilisé, orienté verticalement pour supporter les deux volets (6), un coussinet cylindrique peut être porté par un renfort inférieur (12) de façon à traverser un ergot de support d'axe inférieur (21) du premier volet et traverser partiellement un ergot de support d'axe inférieur (20) du deuxième volet, l'ergot de support d'axe inférieur du deuxième volet étant ainsi supporté indépendamment du premier volet.
Goodwin International Limited
Mccarthy Tetrault Llp
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