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. 13, 2007
Filed:
Jan. 05, 2004
Applicants:
Michael Henn, Lehre, DE;
Martin Jehle, Regensburg, DE;
Hong Zhang, Tegernheim, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 7/00 (2006.01); F02B 33/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An internal combustion engine has an air intake tract which comprises at least one inlet pipe leading to one intake duct per cylinder of the internal combustion engine. It also has at least one exhaust gas duct per cylinder of the internal combustion engine, at least a first actuator which is disposed in an inlet pipe or in an intake duct or in an exhaust gas duct and influences the gas exchange in the respective cylinder.