Main fuel jet and nozzle assembly for a carburetor

摘要

A carburetor includes a body with an air intake path, a fuel pump and a fuel pressure regulator and having a main fuel jet and nozzle assembly with a main fuel jet releasably coupled to the body of the carburetor. Alternatively, a main fuel jet and nozzle assembly includes a nozzle and check valve retainer formed as a single component. In other embodiments, a carburetor is provided having a fuel pump and fuel pressure regulator positioned on the same side of the body. A fuel pump and metering chamber diaphragm sandwiched between the body of the carburetor and a pump body and cover, separates a pump chamber from a pulse chamber of the fuel pump and separates a fuel chamber from an air chamber in the fuel pressure regulator.

主权项

1. A carburetor comprising
a body with an air intake path extending there through, a constant pressure fuel chamber formed in the body of the carburetor, a main fuel jet in fluid communication with the air intake path and the constant pressure fuel chamber, wherein the main fuel jet is releasably coupled to body of the carburetor, a check valve mounted within the body, the check valve including a valve body, a valve seat extending inward toward a center of the body, and a check valve retainer seated in a recess in the valve body of the check valve, wherein the check valve retainer comprising a plurality of axially extending stops, and a jet retainer releasably coupling the main fuel jet to the check valve.