Patents by Inventor Michael J. van Nieuwstadt

Michael J. van Nieuwstadt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Engine-Off Ammonia Vapor Management System and Method
    Publication number: 20080066452
    Abstract: A method of managing vapors generated from an ammonia-containing reductant delivery system for an engine of a vehicle, comprising of during at least a portion of engine-off conditions, storing ammonia containing vapors generated in the reductant delivery system, and after said storing and during at least a portion of engine operation, purging said stored ammonia into an exhaust of the engine to react in a catalyst in the exhaust flow.
    Type: Application
    Filed: September 18, 2006
    Publication date: March 20, 2008
    Inventors: Christopher Oberski, Giovanni Cavataio, Michael J. van Nieuwstadt, Timothy Webb, William Ruona