Digital fuel control system for small engines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1992
Grant Date -
N/A
app pub date -
Feb 13, 1990
filing date -
Feb 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital fuel control system for a small internal combustion engine having a pressure sensor for detecting the instantaneous pressure in the air intake manifold of the engine to generate air pressure data. A microprocessor responsive to the air pressure data generates a fuel quantity output signal indicative of the quantity of fuel to be delivered to the engine. A fuel metering apparatus responsive to the fuel quantity output signal generated by the microprocessor meters the fuel being delivered to a fuel delivery mechanism which delivers the fuel into the air intake manifold of the engine. The microprocessor in response to the air pressure data generated by the pressure sensor determines the engine's speed and the average pressure of the air inhaled by the engine. The engine speed data and air pressure data address a look-up table to extract data indicative of the fuel requirements of the engine.
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