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.
Patent No.:
Date of Patent:
Apr. 02, 2019
Filed:
Feb. 27, 2017
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Wing-Fai Ha, Markham, CA;
Martin Juhas, Ottawa, CA;
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/00 (2006.01); B01D 19/00 (2006.01); F01N 3/28 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01D 19/0031 (2013.01); F01N 3/2066 (2013.01); F01N 3/28 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1406 (2013.01); F01N 2610/1413 (2013.01); F01N 2610/1466 (2013.01); Y02T 10/24 (2013.01);
Abstract
A system and apparatus for improving ventilation of a fluid system is disclosed herein. An apparatus for improving ventilation of a fluid storage tank includes a hollow member having a sidewall and an opening formed in the sidewall and an air-permeable membrane extending at least partially across the opening. The membrane permits the passage of air across the membrane and restricts the passage of fluid across the membrane.