Patent ID: 11883769
Assignee: PALL CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A mist and vapor eliminating filter comprising:
a first stage hollow filter and a second stage hollow filter;
(a) the first stage hollow filter comprising
a first housing having a first housing first end and a first housing second end; and, arranged in the first housing:

(i) a first adsorption element comprising activated carbon and/or activated clay; and,
(ii) a first hydrophobic pleated hollow porous medium surrounding the first adsorption element;
the first stage hollow filter including a first end cap connected to the first housing first end;

(b) the second stage hollow filter comprising
a second housing having second housing first end and a second housing second end; and, arranged in the second housing:

(iii) a second adsorption element comprising activated carbon and/or activated clay;
(iv) a second hydrophobic pleated hollow porous medium surrounding the second adsorption element;
the second stage hollow filter including a second end cap connected to the second housing second end;

(c) wherein the first housing second end is connected to the second housing first end by an intermediate end cap;
the intermediate end cap including a first drain channel between the first housing second end and the second housing first end; and,
the second end cap including a second drain channel at the second housing second end.