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US 11,408,382 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.
Claims21
An engine comprising:
- a carburetor;
- a sensor configured to generate sensor data describing an orientation of the engine;
- and
- a controller configured to generate an enable command to drain fuel from the carburetor in response to the sensor data describing the orientation of the engine.
1 more element
A lawnmower comprising:
- a plurality of wheels configured to be placed in a storage orientation and a horizontal orientation;
- a carburetor;
- a fuel supply line connected a fuel tank and the carburetor;
- and
- a fuel drain line connected to the carburetor and the fuel supply line, wherein fuel drain line drains the carburetor to the fuel supply line or the fuel tank when the plurality of wheels are placed in the storage orientation.
2 more elements
A method for draining a carburetor of an engine comprising:
- generating, by a sensor, sensor data describing an orientation of the engine;
- and
- generating, by a controller, an enable command to drain fuel from the carburetor in response to the sensor data describing the orientation of the engine.
Dependencies are inferred from the claim text.