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.

Date of Patent:
Jun. 30, 2009

Filed:

Dec. 26, 2007
Applicants:

Teng-hua Shieh, Ann Arbor, MI (US);

Naveen Rajan, Ann Arbor, MI (US);

Manoj Sampath, Ypsilanti, MI (US);

Inventors:

Teng-Hua Shieh, Ann Arbor, MI (US);

Naveen Rajan, Ann Arbor, MI (US);

Manoj Sampath, Ypsilanti, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 47/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments of an exhaust gas recirculation (EGR) device comprise a mixing pipe having an air inlet port and an outlet port disposed at opposite ends of the mixing pipe, and an exhaust inlet port disposed at a region of the mixing pipe between the air inlet port and the outlet port, wherein the exhaust inlet port is configured to deliver exhaust to be mixed with air inside the mixing pipe. The exhaust gas recirculation (EGR) device further comprises a nozzle disposed internally within a region of the mixing pipe between the exhaust inlet ring and the outlet port such that the diffuser nozzle defines an outer mixing channel in the spacing between the diffuser nozzle and the mixing pipe region.


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