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:
Nov. 01, 2011
Filed:
Dec. 20, 2006
Karl-heinrich Losing, Alpen, DE;
Sven Nigrin, Dusseldorf, DE;
Karsten Grimm, Aachen, DE;
Heinrich Dismon, Gangelt, DE;
Andres Tonnesmann, Neuss, DE;
Karl-Heinrich Losing, Alpen, DE;
Sven Nigrin, Dusseldorf, DE;
Karsten Grimm, Aachen, DE;
Heinrich Dismon, Gangelt, DE;
Andres Tonnesmann, Neuss, DE;
Pierburg GmbH, Neuss, DE;
Abstract
A method for operating an exhaust gas mass flow sensor which is used, in particular, in exhaust gas mass flows of motor vehicles has an operating mode and a cleaning mode. In an operating mode, the exhaust gas mass flow sensor is operated at an operating temperature. In a cleaning mode, the exhaust gas mass flow sensor is changed over for the purpose of cleaning a measurement region and is cleaned at a cleaning temperature which is higher than the operating temperature.