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. 07, 2001
Filed:
Jun. 02, 1999
Gert Rekewitz, Holzkirchen, DE;
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
A method and apparatus is provided for correcting the airflow in a combustion engine drawn in through an induction pipe and measured in the induction pipe. The measured airflow is multiplied by a correction factor which is formed as a function of a value expressing the degree of the measurement error and a value expressing the direction of the measurement error. Preferably, the value expressing the degree of the measurement error is obtained by calculating the standard deviation or the variance of the measured airflow. The value expressing the direction of the measurement error is determined with at least one additional operating value of the internal combustion engine.