Air-fuel mixture ratio control device

Details Air-fuel mixture ratio control device Air-fuel mixture ratio control device

1979-09-25

1981-09-08

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123438, 13753317, 251129, 251141, F02B 3300, F22M 1700

Patent

active

042878640

ABSTRACT:
An air-fuel ratio control device characterized by the fact that an electromagnetic valve which controls the air bleed quantities for both high- and low-speed fuel systems simultaneously has a pin inserted in a valve disc so as to prevent the rotation of the valve disc but allow it to move axially for open-close operation, so that the valve disc and the seat always contact at the same contacting portion and maintain a perfect seal therebetween. This enables an accurate control of the air bleed quantitiy and therefore of the air-fuel ratio.

REFERENCES:
patent: 3452780 (1969-07-01), Faustini
patent: 3470892 (1969-10-01), Barker
patent: 4027637 (1977-06-01), Aono
patent: 4105726 (1978-08-01), Lindberg

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