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:
Jul. 21, 2009

Filed:

Feb. 16, 2007
Applicants:

Alfred Küspert, Ostfildern, DE;

Wolfram Schmid, Nürtingen, DE;

Siegfried Sumser, Stuttgart, DE;

Inventors:

Alfred Küspert, Ostfildern, DE;

Wolfram Schmid, Nürtingen, DE;

Siegfried Sumser, Stuttgart, DE;

Assignee:

Daimler AG, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 33/44 (2006.01); F02D 23/00 (2006.01); F02M 25/07 (2006.01); F02B 37/00 (2006.01); F02B 37/02 (2006.01); F02B 37/18 (2006.01); F02B 37/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a supercharged internal combustion engine having an intake duct and an exhaust gas recirculation system and comprising an exhaust gas turbine with two separate flow passages of different flow cross-sections arranged upstream of a turbine rotor of the exhaust gas turbine, each flow passage being in communication with a respective engine exhaust line for supplying it with exhaust gas and an exhaust gas recirculation line extending from one of the engine exhaust lines to the engine intake duct, a bypass line bypassing the exhaust gas turbine is provided and a common control element is arranged in the recirculation line of the exhaust gas recirculation system and in the bypass line for controlling the exhaust gas flow from the recirculation line selectively to none or any of the intake duct and the turbine bypass line.


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