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:
May. 08, 2007
Filed:
Sep. 21, 2005
Jialin Yang, Canton, MI (US);
Jialin Yang, Canton, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A system for an internal combustion engine, the engine having an intake and exhaust manifold, the system comprising a heat exchanger configured to extract energy from at least a heat source that heats a first portion of intake air, a spark plug coupled to the engine, an intake passage configured to deliver said first portion of heated intake air to the engine and to deliver a second portion of intake air which bypasses said heat source, and a controller configured to direct said second portion of intake air to the engine at least when utilizing said spark plug to initiate combustion and flame propagation of an air-fuel mixture, and to at least temporarily cause said first portion of intake air to flow during said spark ignition combustion so that a temperature of said first portion of intake air is maintained above a selected value.