Fuel supply device for internal combustion engine

Details Fuel supply device for internal combustion engine Fuel supply device for internal combustion engine

1981-03-18

1983-03-29

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Injection or carburetion system having a series of throttle...

123445, 261 44F, 261 64B, F02M 3900

Patent

active

043780008

ABSTRACT:
A fuel supply device for an internal combustion engine having an intake manifold includes a throttle body defining therein an intake passage communicating at one end thereof with the intake manifold. A flow accelerating valve arranged in the intake passage upstream of a throttle valve cooperates with the wall surface of the intake passage to define a flow accelerating passage of a smaller flow area than the intake passage. The flow accelerating valve is angularly movable in response to a change in the intake fluid flow between a fully closed position in which the flow accelerating passage has a minimum flow area and a fully open position in which the flow accelerating passage has a maximum flow area, to thereby control the flow area of the flow accelerating passage. A fuel injector injects liquid fuel into the accelerated intake fluid flow passing through the flow accelerating passage.

REFERENCES:
patent: 2457570 (1948-12-01), Leibing
patent: 3322408 (1967-05-01), Stoltman
patent: 3807367 (1974-04-01), Lamm
patent: 3827411 (1974-08-01), Lamm et al.
patent: 4308837 (1982-01-01), Nohira et al.

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