Flow rate and temperature limiting mechanism for a mixing valve

Details Flow rate and temperature limiting mechanism for a mixing valve Flow rate and temperature limiting mechanism for a mixing valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 11/00 (2006.01) F16K 11/087 (2006.01) F16K 31/64 (2006.01)

Patent

CA 2120605

A mixing valve (10) has a limiting mechanism (26) for controlling the maximum flow rate and maximum temperature mix for the mixed water. The limiting mechanism (26) includes a rotatable plate member (70) retained on a cap assembly (56) by a positioning ring member (82). The plate member (70) has a slot (74) that receives a control stem (22) of valve element (20). A handle (92) has a leg section (96) that fits onto control stem (22) and has a cross-sectional shape that prevents the handle from rotating about the control stem axis. The positioning ring (82) limits the rotation of the plate member (70) to define a maximum temperature mix of the discharged water through outlet port (30) of the mixing valve (10).

Un robinet mitigeur (10) comprend un mécanisme limiteur (26) permettant de réguler le débit maximal et la température maximale de l'eau mélangée. Le mécanisme limiteur (26) comprend une plaque rotative (70) retenue sur un ensemble de recouvrement (56) par un élément de positionnement annulaire (82). La plaque (70) est pourvue d'une fente (74) qui reçoit une tige de commande (22) du clapet (20). Une poignée (92) comprend une partie pied (96) qui s'adapte sur la tige de commande (22) et qui présente un profil de section empêchant la rotation de la poignée autour de l'axe de la tige de commande. L'anneau de positionnement (82) limite la rotation de la plaque (70) de façon à établir une température maximale de l'eau mélangée sortant de l'orifice de sortie (30) du robinet mitigeur (10).

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