Carburetor

Details Carburetor Carburetor

1991-09-25

1995-01-10

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Auxiliary control of carburetor fuel metering

261 411, 261DIG39, F02M 1903

Patent

active

053797396

ABSTRACT:
There is provided a carburetor having a main air passageway extending between an air inlet and an air outlet and having a narrower venturi portion intermediate the air inlet and air outlet, a throttle valve being located near the air outlet, and a second narrower passageway extending substantially parallel to the main air passageway, the second narrower passageway having an air inlet from the main air passageway, a fuel inlet to the second passageway downstream from the inlet, and a first outlet from the second passageway to the main air passageway proximate the venturi portion and a second outlet from the second passageway intermediate the venturi portion and a throttle valve, the main air passageway having a flange extending inwardly from said wall at a downstream end of the venturi portion. The carburetor provides better fuel economy and efficiency.

REFERENCES:
patent: 1733730 (1929-10-01), Haling
patent: 2589536 (1952-03-01), Carbonaro
patent: 2899184 (1959-08-01), Olson
patent: 4632788 (1986-12-01), Jones

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