G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 23/13 (2006.01)
Patent
CA 2283973
At a thermostatic water mixing valve the cold water fed to an inlet (12) and the hot water fed to an inlet (14) by means of valves (32, 34; 32', 34') is fed to a mixing chamber (36), whereat the valves are controlled by an expansion element (38). The expansion element (38) is arranged within a spring cage (40), the inner contour of which being matched to the outer contour of the expansion element (38). Furthermore, a ring gap (99) and a collar (95) are arranged in the mixing chamber in the zone where the cold water and the hot water come together. Soft sealing rings (32) inserted into the valve closing body (28) give protection against scalding when the cold water supply fails.
L'invention concerne un mélangeur hydraulique thermostatique dans lequel l'eau froide amenée à une admission (12) et l'eau chaude amenée à une autre admission (14) sont amenées dans une chambre de mélange (36) via des valves (32, 34, 32', 34') commandées par un élément de dilatation (38). L'élément de dilatation (38) est disposé dans une douille élastique (40) dont le contour interne est adapté au contour externe de l'élément de dilatation (38). Une fente annulaire (99) et un collet (95) sont en outre disposés à la confluence de l'eau froide et de l'eau chaude dans la chambre de mélange. Des anneaux d'étanchéité souples (32) insérés dans le clapet (28) protègent contre les risques d'échaudage en cas d'arrêt de l'alimentation en eau froide.
Honeywell Ag
Honeywell Technologies Sarl
Smart & Biggar
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