Patent ID: 7297255

Claim:
A mass transfer or energy transfer cart-ridge module which comprises: a manifold having an inlet and an outlet; a bowl having an inlet, an outlet, and a collar with slots, said slots extend through the thickness of the collar; a cartridge comprising an elongated medium capable of effecting mass transfer therethrough or for effecting energy transfer from a first fluid to a second fluid, said elongated medium having a first end and a second end, a ring positioned on an outside surface of said bowl, said ring drives said cartridge into affirmative contact with said manifold; a first end cap sealed to said elongated medium first end, said first end cap having a fluid passageway for fluid communication with an open interior of the cartridge and the manifold outlet, said first end cap having at least two flanges which extend beyond an outer surface of said elongated medium, said flanges extending outward from an outer vertical surface of said elongated medium and a boss on an outer surface of each of said flanges, a distance between outside surface of the bosses larger than the distance between opposing inside surfaces of the collar, the bosses configured to cause slots on the collar to expand outward when the end cap is rotated until the bosses fit into the slots of the collar; and a second end cap sealed to said elongated medium second end, said second end cap has a fluid passageway having a fluid passage for communication with the open interior of the cartridge and the bowl inlet, whereby in said module a first fluid can be introduced through the bowl inlet into said elongated medium and then out of the manifold outlet and a second fluid can be introduced through a manifold inlet onto outside surfaces of said elongated medium and then through the bowl outlet.