Carburetor arrangement having an accelerator pump
US6676114B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 23, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Apr 23, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M7/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A carburetor arrangement is provided for an internal combustion engine of a manually guided implement, and includes a carburetor that is embodied in particular as a diaphragm carburetor. A butterfly valve is pivotably mounted in an air channel that is disposed in the carburetor and leads to the internal combustion engine. Also provided is an accelerator pump that includes a pump chamber and an accelerator piston that is guided in the pump chamber. The accelerator piston is coupled with the butterfly valve. The pump chamber can be connected with a fuel tank via a pump line. A first pressure-controlled check valve is provided in the pump line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.