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:
Jan. 10, 2017
Filed:
Nov. 19, 2014
Applicant:
Mann+hummel Gmbh, Ludwigsburg, DE;
Inventors:
Assignee:
MANN+HUMMEL GMBH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 35/027 (2006.01); B60K 15/035 (2006.01); B01D 46/24 (2006.01); B01D 46/00 (2006.01); B60K 15/03 (2006.01);
U.S. Cl.
CPC ...
B60K 15/035 (2013.01); B01D 46/0031 (2013.01); B01D 46/2403 (2013.01); B01D 2279/35 (2013.01); B60K 2015/03236 (2013.01); B60K 2015/03542 (2013.01);
Abstract
A tank venting filter is provided with a housing defining a longitudinal filter axis that is vertically oriented in operation. The housing has a top end and a bottom end and is provided with an air inlet at the bottom end and with an air outlet at the top end. The air outlet is connectable to a tank. The housing is provided with a constriction above the air inlet. A filter element is disposed in the housing and fluidically arranged between the air inlet and the air outlet. The filter element is provided with a first filter. The constriction has an opening cross-section surface area that is less than 40% of an opening cross-section surface area of the air inlet.