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:
Sep. 28, 2021
Filed:
Apr. 15, 2011
Fredrik Lindström, Huskvarna, SE;
Pär Martinsson, Jönköping, SE;
Magnus Ottosson, Norrahammar, SE;
Rikard Rydberg, Tenhult, SE;
Fredrik Lindström, Huskvarna, SE;
Pär Martinsson, Jönköping, SE;
Magnus Ottosson, Norrahammar, SE;
Rikard Rydberg, Tenhult, SE;
HUSQVARNA AB, Huskvarna, SE;
Abstract
A fuel supply system for small two-stroke internal combustion engines for e.g. chain saws, line trimmers and similar hand-held power-tools including a diaphragm carburetor () equipped with a purging system () or priming system () for facilitating starting of the engine (). Downstream of the diaphragm (), the carburetor has a fuel valve () with a fuel cavity (), which when the valve is not closed being connected via a fuel conduit () to a fuel nozzle () in a main air passage () in the carburetor. The purging system or priming system including a fuel line (), which is provided with a manually operated pump () and is connected between a fuel tank () and either the fuel cavity () or the fuel conduit ().