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US 10,823,124 B2Granted
Carburetor drain
AssigneeKohler Co.
InventorsTerrence Rotter, Todd Baumann, Gary Stenz
Life of this patent
Estimating the term…
Abstract
A carburetor includes a carburetor bowl, a fuel supply pipe, a fuel drain pipe, and a valve. The carburetor bowl is configured to store fuel and provide the fuel to an air passage. The fuel supply pipe is connected a fuel tank and the carburetor bowl. The fuel drain pipe is connected to the carburetor bowl and the fuel supply line. The valve for the fuel drain pipe is configured to open and close in response to an orientation of the carburetor.
Claims20
A method comprising:
- receiving a force from a protrusion on a recoil starter;
- translating the force from a first distance based on a dimension of the protrusion to a second distance;
- providing a force for the second distance to a pump;
- and
- draining fuel from a carburetor in response to the pump.
2 more elements
A fuel recirculation system for an engine, the fuel recirculation system comprising:
- a first chamber configured to contain a fluid that changes volume in response to at least one ambient condition;
- a second chamber configured to contain fuel;
- and
- a diaphragm configured to separate the first chamber from the second chamber,
- wherein the at least one ambient condition causes the relative sizes of the first chamber and the second chamber to change and draw fuel into the second chamber from a carburetor of the engine or expel fuel out of the second chamber into a fuel tank of the engine.
2 more elements
A carburetor comprising:
- a carburetor bowl configured to store fuel and provide the fuel to an air passage;
- a fuel supply pipe connected a fuel tank and the carburetor bowl;
- a fuel drain pipe connected to the carburetor bowl and the fuel supply line;
- and
- a fuel tank rotatable to change orientation with respect to the carburetor bowl and including an inlet needle for the fuel drain pipe configured to open and close in response to the orientation of the fuel tank.
2 more elements
Dependencies are inferred from the claim text.