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:
Sep. 13, 2011
Filed:
Sep. 18, 2006
Christopher Oberski, Plymouth, MI (US);
Giovanni Cavataio, Dearborn, MI (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Timothy Webb, Ann Arbor, MI (US);
William Ruona, Farmington Hills, MI (US);
Christopher Oberski, Plymouth, MI (US);
Giovanni Cavataio, Dearborn, MI (US);
Michiel J. van Nieuwstadt, Ann Arbor, MI (US);
Timothy Webb, Ann Arbor, MI (US);
William Ruona, Farmington Hills, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method of operating a reductant delivery and storage system of a vehicle, comprising of storing an ammonia-containing fluid in a first storage device, generating ammonia vapors in the first storage device, storing said generated ammonia vapors in a second storage device, purging said stored vapors from the second storage device to an exhaust of the engine, and relieving pressure or vacuum build-up during at least one of said storing and purging is provided via an atmospheric vent coupled in the reductant delivery and storage system.