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US 11,125,195 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.
Claims18
A method comprising:
- receiving, at a rod, a force from a recoil starter;
- providing, from the rod, a first force for a pump including a diaphragm in contact with the rod;
- providing, from a spring, a second force for the pump;
- and
- draining fuel from a carburetor via the pump.
2 more elements
A fuel recirculation system for an engine, the fuel recirculation system comprising:
- a chamber configured to store fuel;
- a diaphragm configured to push at least a portion of the fuel out of the chamber;
- a rod driven by a recoil and configured to apply a first force to the diaphragm;
- and
- a spring configured to apply a second force to the diaphragm.
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;
- a chamber configured to store fuel;
- a diaphragm configured to push at least a portion of the fuel out of the chamber to the fuel drain pipe;
- a rod driven by a recoil and configured to apply a first force to the diaphragm;
- and
- a spring configured to apply a second force to the diaphragm.
5 more elements
Dependencies are inferred from the claim text.