Aeration apparatus for tanks containing powdered materials or the like
AssigneeOli S.P.A.
InventorVainer MARCHESINI
Life of this patent
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Abstract
An aeration apparatus to ease the emptying of a mass of powdered material from any kind of container. The apparatus comprises a vibrating membrane coupled to a device for pulling and fastening it to the container wall, so that said membrane adheres to the inner surface of the container wall. The apparatus is characterized in that the inner surface of membrane has a number of grooves shaped as radial recesses formed only on the lower half of the inner surface of the membrane itself. Each radial section of any radial recess is advantageously venturi-shaped.
Claims17
An aeration apparatus to ease the emptying of a mass (M) of powdered material from any kind of container;
- the aeration apparatus comprising a vibrating membrane coupled to a device for pulling and fastening it to the container wall, so that said membrane adheres to the inner surface of the container wall;
- said apparatus being characterized in that said membrane comprises at least an area of least resistance for the outlet air flow.
An aeration apparatus to ease the emptying of a mass of powdered material from any kind of container;
- the aeration apparatus comprising a vibrating membrane coupled to a device for pulling and fastening it to the container wall, so that said membrane adheres to the inner surface of the container wall;
- said device for pulling and fastening said membrane comprising pulling means and at least one pulling element able to operate said pulling means;
- said apparatus being characterized in that said device for pulling and fastening comprises a cam handle.
Dependencies are inferred from the claim text.