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:
Aug. 17, 2010
Filed:
Mar. 01, 2007
Ralf Wirth, Farmington Hills, DE;
Carsten Becker, Kernen I.R., DE;
Hartmut Lueders, Oberstenfeld, DE;
Andreas Fritsch, Waiblingen, DE;
Stefan Motz, Moeglingen, DE;
Paolo Ciccarese, Ludwigsburg, DE;
Ralf Wirth, Farmington Hills, DE;
Carsten Becker, Kernen I.R., DE;
Hartmut Lueders, Oberstenfeld, DE;
Andreas Fritsch, Waiblingen, DE;
Stefan Motz, Moeglingen, DE;
Paolo Ciccarese, Ludwigsburg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A procedure to operate a particle filter disposed in an exhaust gas area of an internal combustion engine and a device to implement the procedure are proposed. The particle filter is regenerated if required by the particles lodged in the filter, whereby the particle filter is heated for regeneration by manipulation of the exhaust gas temperature upstream in front of the particle filter. During the regeneration of the particle filter, the exhaust gas temperature is established to a specified exhaust gas temperature set point, which is dependent upon at least one parameter of the particle filter during the regeneration. The procedural approach according to the invention allows for a quick regeneration of the particle filter without endangering the particle filter with an inadmissibly high temperature.