Carburation devices for internal combustion engines

Details Carburation devices for internal combustion engines Carburation devices for internal combustion engines

1974-04-26

1976-06-15

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

60276, 261 44R, F02M 700

Patent

active

039630099

ABSTRACT:
A carburetor has a main throttle and an auxiliary throttle which is automatically opened in proportion to the air flow in the induction pipe. Fuel is delivered to the induction pipe through a passage whose cross-section is metered in accordance with the position of the auxiliary throttle. The richness of the air-fuel mixture is automatically adjusted by a system comprising a probe which is sensitive to the conditions prevailing in the exhaust pipe. The system periodically opens an air path to the fuel passage and the duration of each opening period is automatically determined for a correct richness to be achieved.

REFERENCES:
patent: 2389797 (1945-11-01), MacNeil et al.
patent: 3342463 (1967-09-01), Tasuka Date et al.
patent: 3493217 (1970-02-01), Farley
patent: 3612009 (1971-10-01), Kamazuka
patent: 3764120 (1973-10-01), Imai
patent: 3796200 (1974-03-01), Knapp

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