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:
Mar. 06, 1990
Filed:
Aug. 19, 1988
Applicant:
Inventors:
Ernst-Michael Reichle, Karlsfeld, DE;
Wolfgang Bulang, Eichenau, DE;
Assignee:
Man Technologie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60275 ; 55123 ; 55131 ; 55139 ; 55DI / ; 60297 ; 60288 ; 60311 ; 422169 ;
Abstract
In the case of an electrostatic diesel exhaust filter the corona electrode and the collecting electrode are supplied with direct voltage with an AC component so as to obtain and even discharge. A catalyst, preferably in a noble metal catalyst, may placed upstream from the electrostatic filter in the exhaust gas pipe so that the hydrocarbons also contained in the exhaust gas may be oxidized.