Filter drainage layer attachment
AssigneeFlair Corporation
InventorsDean Mac Pruette, Allan Bradford Thomas
Life of this patent
Estimating the term…
Abstract
A filter system utilizing a coalescing-type filter element with at least one end cap and a transport layer such that contaminants are filtered from a gas stream, coalesced and drained from the filter element completely exterior to any other component of the filter element. The filter element includes a drainage sleeve which may extend over and exterior to at least one end cap. The filter element may include a transport layer disposed exterior to a drainage layer extending between end caps. The present invention further includes a method for decontaminating a gas stream utilizing the filter system and filter element.
Claims11
A filter arrangement for removing contaminants from a fluid passed therethrough, comprising:
- (i) a filtering medium in which the contaminants coalesce;
- (ii) a filter drainage layer disposed adjacent said filtering medium for receiving coalesced contaminants therefrom;
- and
- (iii) a transport layer disposed in abutment with said filter drainage layer, said transport layer comprising fibers having grooves which draw through capillary action coalesced contaminants from said filter drainage layer.
An elongated tubular filter element extending along a tubular axis thereof for removing condensable contaminants from a gas, comprising:
- (i) a porous core extending about the tubular axis;
- (ii) a filtering medium extending about said porous core in which the contaminants coalesce;
- (iii) a filter drainage layer extending about said filtering medium for receiving coalesced contaminants therefrom;
- and
- (iv) a transport layer extending about and in abutment with said filter drainage layer, said transport layer comprising fibers having grooves which draw through capillary action coalesced contaminants from said filter drainage layer.
Dependencies are inferred from the claim text.