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. 03, 2013
Filed:
Oct. 21, 2011
Applicant:
David Scott Krug, Kirkland, WA (US);
Inventor:
David Scott Krug, Kirkland, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel system for an aircraft has a vent system. The system has a conduit opening into the fuel section. The system has a member connected to the conduit at a proximal end. The member has a seal plate within the conduit sealing the opening into the fuel section when a buoyant section at a distal end rises along with the seal plate through the member with a rise in fluid level within the fuel section.