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:
Sep. 23, 1997
Filed:
Jun. 24, 1996
Applicant:
Inventors:
Uwe Gartner, Weinstadt, DE;
Silvano Covini, Kernen, DE;
Assignee:
Mercedes-Benz AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123570 ;
Abstract
In an internal combustion engine with exhaust gas recirculation wherein the engine has a charge air intake pipe for supplying combustion air to the engine, an exhaust pipe for discharging exhaust gas from the engine and an exhaust gas recirculation line extending between an exhaust gas recirculation valve arranged in the exhaust pipe and the charge air intake pipe for the controllable return of exhaust gas to the charge air intake pipe, a heat exchanger is disposed in the exhaust gas recirculation line and means are provided for supplying air under pressure to the heat exchanger for cleaning the heat exchanger.