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US 7,913,659 B2Granted
Carburetor start system
AssigneeZama Japan Kabushiki Kaisha
InventorCory Matthew Maupin
Life of this patent
Estimating the term…
Abstract
Carburetor start system comprising a primer pump bulb coupled to a valve-opening mechanism, the primer pump bulb and valve-opening mechanism being operably coupled to a throttle valve and/or a choke valve. Pushing the primer pump bulb causes the throttle valve and/or choke valve to be rotated and releasably fixed in a starting position.
Claims20
A carburetor comprising
- a body with an air intake passageway bored there through,
- a throttle valve positioned within the intake passageway and operable to adjust the opening of the intake passageway,
- a valve opening mechanism operably coupled to the throttle valve, and
- a primer pump bulb in fluid communication with a fuel metering chamber and the air intake passageway and coupled to the valve opening, wherein depressing the primer pump bulb causes the throttle valve to rotate to a start position.
1 more element
A carburetor comprising
- a body with an air intake passageway bored there through, and
- a start mechanism operably couplable to one or more of a throttle valve and a choke valve, the start mechanism including a primer pump bulb in fluid communication with a fuel metering chamber and the air intake passageway, the start mechanism being configured to translate an axial force applied to the primer pump bulb to rotational movement of one or more of the choke valve and the throttle valve to rotate one or more of the choke valve and the throttle valve to a start position.
Dependencies are inferred from the claim text.