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:
Dec. 10, 2013
Filed:
Nov. 24, 2010
Applicant:
Steffen Schoenfuss, Odenthal, DE;
Inventor:
Steffen Schoenfuss, Odenthal, DE;
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F02M 33/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present application relates to a fuel tank, which has a vent line from a fresh air filter to a hydrocarbon filter element. It is proposed that a diagnostic valve be permanently arranged between the fresh air filter and the hydrocarbon filter element, the diagnostic valve comprising an operating port, which in an operating position forms a passage for operating gases, and a diagnostic port, which in a diagnostic position can be connected to an external pressure-generating device, and which in the diagnostic position forms a diagnostic passage to the hydrocarbon filter element.