Carburetors for internal combustion engines

Details Carburetors for internal combustion engines Carburetors for internal combustion engines

1977-06-13

1978-05-30

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

123119R, 261121B, F02M 720

Patent

active

040923800

ABSTRACT:
A carburetor for an internal combustion engine has a circuit for delivering a primary air/fuel mixture into the induction passage and means for correcting the richness of the airfuel mixture in dependence of the amplitude of the alternating component of the depression which prevails in operation in the induction passage. The correction device has a movable member which meters an air or fuel flow cross-sectional area in the circuit. The position of the movable member is controlled in dependence of the alternating component by a pressure sensitive diaphragm. A frequency filter connects the induction passage and chambers separated by the diaphragm for dampening the alternating component of the depression by an amount which increases with the frequency of that component.

REFERENCES:
patent: 3009794 (1961-11-01), Barfod
patent: 3437081 (1969-04-01), Mennesson
patent: 3738336 (1973-06-01), Holland
patent: 3795237 (1974-03-01), Denton
patent: 3916020 (1975-10-01), Malphettes et al.
patent: 4046118 (1977-09-01), Aono
patent: 4053543 (1977-10-01), Pettitt

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