Carburetor

Details Carburetor Carburetor

1991-02-06

1992-07-07

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Pumping

261 395, 261 415, 261DIG8, 55510, F02M 708

Patent

active

051280710

ABSTRACT:
A butterfly type motorcycle carburetor including a housing having an induction passage and a venturi intermediate the ends of the passage, a butterfly valve assembly positioned in the induction passage downstream from the venturi and a fuel bowl mounted on the housing and forming a fuel reservoir below the induction passage. A main discharge tube is mounted in the housing with one end extending into the venturi in the induction passage and the other end into the fuel reservoir in the fuel bowl. An accelerator pump system is provided in the carburetor which includes a discharge nozzle that extends into the induction passage downstream from the venturi for directing fuel discharged from the nozzle toward the butterfly valve. An enrichment system is provided in the carburetor which can be selectively set at any position. A low speed air/fuel metering system is provided in the housing for low speed operation. A teardrop type air cleaner is mounted on the inlet end of the induction passage and includes an air directional cone axially aligned with the induction passage for directing filtered air into the induction passage. All of the air passing through the carburetor is filtered before entering the carburetor.

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