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. 23, 2016
Filed:
May. 02, 2014
Eberspächer Exhaust Technology Gmbh & Co. KG, Neunkirchen, DE;
Eberspächer Exhaust Technology GmbH & Co. KG, Neunkirchen, DE;
Abstract
A road vehicle () has a drive unit () for driving the vehicle (), a drive unit control device () for driving the drive unit () and at least one sound generator (), which has at least one electroacoustic converter (). The sound generator () has an emission pipe (), which connects the sound generator () acoustically and fluidically directly with an emission chamber (). The an emission chamber () emits the sound generated by the converter () during the operation of the sound generator (). Increased reliability of operation is achieved if a generator control device () is coupled with the drive unit control device () for driving the converter () and the generator control device () drives the converter () as a function of the current operating state of the drive unit ().