Air-fuel mixture ratio control device
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United States of America Patent
Stats
-
Sep 8, 1981
Grant Date -
N/A
app pub date -
Sep 25, 1979
filing date -
Oct 9, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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