Device for continuous injection of a mixture consisting of fuel

Details Device for continuous injection of a mixture consisting of fuel Device for continuous injection of a mixture consisting of fuel

1982-06-03

1983-11-15

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Idle speed control

123531, 123533, 261 50A, F02D 3300

Patent

active

044149441

ABSTRACT:
A fuel injection device for continuously injecting the mixture of fuel and air into the cylinders of an internal combustion engine has an intake pipe, an arbitrarily adjustable throttle flap, and a venturi in the intake pipe at a point upstream of the throttle flap. An air channel branches off from the narrowest point of the venturi and a main fuel metering arrangement supplies fuel to the mixing chamber portion of the channel substantially as a function of the air pressure at the venturi. A suction line is connected to receive the air and fuel from the mixing chamber in the channel and an idling fuel metering arrangement supplies fuel under constant pressure to the line during idling. A fuel delivery pump is connected to receive the air and fuel mixture in the line and to supply the mixture to the points of injection associated with the several cylinders of the engine. Means are provided for drawing additional fuel from the idling fuel metering arrangement by the action of negative pressure near the exit orifice of the metering arrangement during periods of low partial engine loads.

REFERENCES:
patent: 3198498 (1965-08-01), Mennesson

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