Patent ID: 7900648

Claim:
A valve for a venting circuit of a liquid tank, the valve comprising: a housing including a main chamber which opens into the liquid tank and is connected via an aperture to venting circuit, the housing including at least two openings; a float comprising a body and a head capable of closing off the aperture, the float being able to slide vertically inside the main chamber; a baffle surrounding the aperture and defining a secondary chamber open via a bottom inside the main chamber, the baffle including at least two lateral openings and an outer side that covers the at least two openings of the housing; and a second baffle defining an external chamber open via a bottom, an inner side of the second baffle covering the at least two openings of the housing and including at least two lateral openings that are circumferentially offset with respect to the at least two openings of the housing, wherein dimensions and shapes of the secondary chamber, the body of the float, and the head of the float are such that the head of the float can slide at least partly inside the secondary chamber, while the body of the float cannot slide inside the secondary chamber.