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:
Feb. 02, 2010
Filed:
Dec. 17, 2007
Ryan K. Larocque, Pepperell, MA (US);
Christopher C. Langenfeld, Nashua, NH (US);
Michael G. Norris, Manchester, NH (US);
Stanley B. Smith, Raymond, NH (US);
Jonathan M. Strimling, Bedford, NH (US);
Ryan K. LaRocque, Pepperell, MA (US);
Christopher C. Langenfeld, Nashua, NH (US);
Michael G. Norris, Manchester, NH (US);
Stanley B. Smith, Raymond, NH (US);
Jonathan M. Strimling, Bedford, NH (US);
New Power Concepts LLC, Manchester, NH (US);
Abstract
An external combustion engine having an exhaust flow diverter for directing the flow of an exhaust gas. The external combustion engine has a heater head having a plurality of heater tubes through which a working fluid is heated by conduction. The exhaust flow diverter is a cylinder disposed around the outside of the plurality of heater tubes and includes a plurality of openings through which the flow of exhaust gas may pas. The exhaust flow diverter directs the exhaust gas past the plurality of heater tubes. The external combustion engine may also include a plurality of flow diverter fins coupled to the plurality of heater tubes to direct the flow of the exhaust gas. The heater tubes may be U-shaped or helical coupled shaped.