Automatic vent having a multi-hinged valve

Details Automatic vent having a multi-hinged valve Automatic vent having a multi-hinged valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 24/04 (2006.01)

Patent

CA 2349911

An automatic vent (30) has a cup (32) including a bottom wall (38), a side wall (40), an open top, and an inlet for introducing fluid into a compartment (42) defined by the bottom and side walls (38, 40). A valve assembly (34) of the automatic vent includes a cap (50) disposed over the open top of the cup (32). The cap (50) has a body (54) with an upwardly facing surface (60), a downwardly facing surface (62), a bore (64) formed within the body (54) for enabling fluid communication between the compartment (42) and atmosphere, and an annular rim (66) provided around the bore on the downwardly facing surface (62). A lever arm (52) is hingedly connected at one end thereof to the body (54) of the cap adjacent the annular rim.

La présente invention concerne un évent automatique (30) qui comprend une cuve (32) comportant elle-même un fond (38), une paroi latérale (40), un haut ouvert et une admission par laquelle du fluide pénètre dans un compartiment (42) défini par le fond et la paroi (38, 40). L'ensemble de soupape (34) de l'évent automatique comprend un chapeau (50) placé sur le haut ouvert de la cuve (32). Le chapeau (50) comporte un corps (54) avec une surface tournée vers le haut (60), une surface tournée vers le bas (62), un alésage (64) dans le corps (54) qui assure une communication fluidique entre le compartiment (42) et l'atmosphère, et une région annulaire (66) autour de l'alésage sur la surface tournée vers le bas (62). Un bras de levier (52) est relié pivotant à l'une des extrémités du corps (54) du chapeau à proximité de la région annulaire.

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