Carburetor arrangement having an accelerator pump
AssigneeStihl AG& Co.
InventorReinhard Gerhardy
Life of this patent
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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.
Claims13
A carburetor arrangement for an internal combustion engine of a manually-guided implement, comprising:
- a carburetor, wherein an air channel that leads to said internal combustion engine is disposed in said carburetor,
- a butterfly valve pivotably mounted in said air channel;
- an accelerator pump that is provided with a pump chamber and an accelerator piston that is guided in said pump chamber, wherein said accelerator piston is coupled with said butterfly valve;
- a pump line via which said pump chamber is connectable with a supply of fuel;
- and
- a first pressure-controlled check valve disposed in said pump line.
Dependencies are inferred from the claim text.