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:
Oct. 18, 2005
Filed:
Feb. 04, 2004
Jörg Schlossarczyk, Winnenden, DE;
Georg Maier, Kernen, DE;
Tommy Roitsch, Waiblingen, DE;
Andreas Stihl AG & Co. KG, Waiblingen, DE;
Abstract
A muffler assembly for an internal combustion engine of a portable handheld work apparatus such as a motor-driven chain saw, cutoff machine or the like includes an exhaust-gas muffler () which has a muffler housing (). The muffler housing () is formed essentially from two half shells () connected substantially fluid-tight to each other. The interior space of the muffler housing () includes at least two chambers () which are partitioned from each other by a partition wall (). A catalytic converter () is mounted in the partition wall (). In the interior space of the muffler housing (), an exhaust-gas inlet () opens which is connected to an exhaust-gas stub () of the cylinder () of the engine. The exhaust-gas muffler has an exhaust-gas outlet () which conducts exhaust gas from the interior space. The exhaust-gas muffler () is connected with threaded fasteners at at least three attachment points () to the cylinder () in order to obtain a good fixation of the exhaust-gas muffler on the cylinder () of the engine. At least two attachment points () are arranged in the region of the exhaust-gas stub ().