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. 19, 2005
Filed:
Mar. 12, 2003
Werner Geyer, Berglen, DE;
Claus Fleig, Ludwigsburg, DE;
Bernd Knödler, Winnenden, DE;
Jörg Schlossarczyk, Winnenden, DE;
Werner Geyer, Berglen, DE;
Claus Fleig, Ludwigsburg, DE;
Bernd Knödler, Winnenden, DE;
Jörg Schlossarczyk, Winnenden, DE;
Andreas Stihl AG & Co. KG, Waiblingen, DE;
Abstract
A portable hand-guided work apparatus (), such as a motor-driven chain saw, cutoff machine or the like, includes an internal combustion engine () and an air filter (). At least one air channel () and an intake channel () are provided which fluidly connect the internal combustion engine () to the clean side of the air filter (). The intake channel () is configured at least partially in a carburetor (). The air channel () opens at an air channel opening (″) and the intake channel () opens at an intake opening () at the clean side of the air filter (). Air channel opening (″) and intake opening () open spatially separate from each other at the clean side of the air filter (). To prevent the entry of fuel into the air channel () from the intake channel (), the intake opening () in the normal work position of the work apparatus (), seen in the effective direction () of the gravity force, has an elevation offset (a, a', a″) relative to the air channel opening (″).