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:
Apr. 18, 2017
Filed:
Oct. 28, 2014
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Wolfgang Fischer, Gerlingen, DE;
Franz Raichle, Korntal-Muenchingen, DE;
Walter Lindermeir, Esslingen, DE;
Assignee:
ROBERT BOSCH GMBH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 23/22 (2006.01); G01H 17/00 (2006.01);
U.S. Cl.
CPC ...
G01L 23/221 (2013.01); G01H 17/00 (2013.01);
Abstract
In a method for recognizing knocking of an internal combustion engine, solid-borne sound signals are measured and solid-borne sound features are recovered from the measured sound signals. A peak pressure for a combustion event of the internal combustion engine is estimated from the solid-borne sound features, and the estimated peak pressure is compared with a knock recognition threshold, knocking of the internal combustion engine being recognized when the knock recognition threshold is exceeded by the estimated peak pressure.