Air assist device of an engine

Internal-combustion engines – Charge forming device – Auxiliary air or oxygen added to combustible mixture

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Details

123587, F02M 2303

Patent

active

057973822

ABSTRACT:
An air assist device comprising a plurality of air intake ports formed in the inner wall of an intake duct around a throttle valve. The assist air is taken in from the air intake ports. The amount of opening of the air intake ports is controlled by the outer peripheral end face of the throttle valve. The cross-sectional shapes of the air intake ports are made easily formed circular cross-sectional shapes.

REFERENCES:
patent: 4336779 (1982-06-01), Semence
patent: 4553514 (1985-11-01), Namba et al.
patent: 5269283 (1993-12-01), Thompson

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