Filler spout with opening servo-controlled by a pilot valve
AssigneeSerac Group
InventorAndré Graffin
Life of this patent
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Abstract
A filler spout comprising a tubular body having a transverse partition pierced by an opening forming a valve seat which is associated with a main valve member that is connected to a piston extending in a pilot cavity connected to an exhaust orifice and to a pilot duct having a pilot orifice provided with a controlled pilot valve member, the pilot duct opening out to a face of the piston that causes the main valve member to move towards an open position when the pilot duct is fed with a liquid under pressure.
Claims10
A filler spout comprising a tubular body having a transverse partition pierced by an opening forming a valve seat associated with a main valve member, wherein the main valve member is connected to a piston extending in a pilot cavity that is connected to an exhaust orifice and to a pilot duct having a pilot orifice provided with a controlled pilot valve member, the pilot duct opening out to a face of the piston that causes the main valve member to be moved towards an open position when the pilot duct is filled with liquid under pressure.
Dependencies are inferred from the claim text.