Pulsing solenoid improvement

Details Pulsing solenoid improvement Pulsing solenoid improvement

1979-12-31

1982-02-09

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123589, 261121B, 13762548, F02M 700, F02M 2300

Patent

active

043145361

ABSTRACT:
A control system improvement. A high speed air bleed path and a low speed air bleed path respectively bleed air into the high speed and low speed fuel circuits of a carburetor through either fuel circuit at any one time. A solenoid responsive to a control signal opens and closes the air bleed to control the quantity of air bled into the high speed and low speed circuits. The solenoid includes an isolator for isolating the high speed air bleed path from the low speed air bleed path to prevent cross flow of air from one air bleed path to the other. Cross flow of air between the paths adversely affects the degree of control over the delivery of fuel through the high speed and low speed fuel circuits.

REFERENCES:
patent: 4132199 (1979-06-01), Kuruiwa et al.
patent: 4181108 (1980-01-01), Bellicardi
patent: 4254754 (1981-04-01), Takada et al.

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