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US 12,115,485 B2Granted
Low resistance cage for pulse jet filter
AssigneeAll Filtration Technologies (Holdings) Pty Ltd
InventorsBradley Michael Currell, Michael James Neate
Life of this patent
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Abstract
The present invention relates to a cage for a tubular, extended surface filter bag that increases the internal volume of the bag and provides reduced resistance to the gas flow path through the cage. The cage includes a plurality of vertical cage wires that extend longitudinally, and has at least one horizontal cage support shaped to support the vertical cage wires in a tubular formation. The cage supports are in the form of pressed metal straps having a wide body extending between two thin edges.
Claims9
A filter cage support assembly comprising:
- a plurality of spaced apart cage supports each comprising a respective continuous strap that has a star shape and that is connected to an inner support ring, the continuous straps each having respective wider surfaces oriented parallel to a process gas flow direction that is parallel to an imaginary longitudinal axis defined by a geometry of the filter cage support assembly;
- a plurality of cage wires arranged parallel to one another, each of the cage wires being connected to respective aligned tips of the continuous strap of the cage supports, wherein respective of opposing thin edges of the continuous straps are oriented generally parallel to the process gas flow direction to minimize a flow resistance imposed by the cage supports when a process gas flows along the process gas flow direction through the filter cage support assembly;
- and
- two of the cage supports cooperatively define one or more unobstructed openings configured and arranged to admit the process gas in a direction that is generally perpendicular to the process gas flow direction.
1 more element
Dependencies are inferred from the claim text.