The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 16, 2010

Filed:

Apr. 17, 2007
Applicants:

Eric Wright, Evans Mill, NY (US);

Richard Kohar, Kingston, CA;

Inventors:

Eric Wright, Evans Mill, NY (US);

Richard Kohar, Kingston, CA;

Assignee:

New York Air Brake Corporation, Watertown, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 59/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filter includes a housing having an air inlet, an air outlet, a first chamber and a second chamber concentric to and interior the first chamber. A coalescer is in the first chamber and a first filter is in the second chamber. A first inlet of the first chamber is interior the coalescer and connected to the air inlet and a first outlet of the first chamber being exterior the coalescer. A second inlet of the second chamber is interior the first filter and connected to the first outlet of the first chamber and a second outlet of the second chamber is exterior the first filter and connected to the air outlet. The filter includes a membrane separator in the housing connecting the second outlet of the second chamber and the air outlet. The filter may be mounted in a reservoir with the membrane separator extending into the reservoir.


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