Fuel supply apparatus for general purpose engine
AssigneeHonda Motor Co., Ltd.
InventorTomohiro Miyauchi
Life of this patent
Estimating the term…
Abstract
A fuel supply apparatus for a general purpose engine includes a carburetor provided in an air intake line extending from an air cleaner to the general purpose engine, a pressure reduction connection channel connected to a float chamber of the carburetor and the air cleaner, a control valve provided in the pressure reduction connection channel, a pressure reduction pump provided in the pressure reduction connection channel and sucking the float chamber to reduce the pressure therein, an air fuel ratio sensor detecting the air fuel ratio of an exhaust gas discharged from the general purpose engine, and a control unit controlling the opening degree of the control valve based on a detection signal of the air fuel ratio sensor.
Claims2
A fuel supply apparatus for a general purpose engine, the fuel supply apparatus comprising:
- a carburetor provided in an air intake line extending from an air cleaner to an air intake port of the general purpose engine;
- a pressure reduction connection channel connecting a float chamber of the carburetor and the air cleaner;
- a control valve provided in the pressure reduction connection channel, the control valve being controllable in a manner that the control valve can be fully closed, and that an opening degree of the control valve can be changed continuously;
- a pressure reduction pump provided in the pressure reduction connection channel and configured to suck the float chamber to reduce a pressure in the float chamber;
- an air fuel ratio sensor configured to detect an air fuel ratio of an exhaust gas discharged from a combustion chamber of the general purpose engine;
- and
- a control unit configured to control the opening degree of the control valve based on a detection signal of the air fuel ratio sensor.
Dependencies are inferred from the claim text.