Electronic control fuel injection system for spark ignition inte

Details Electronic control fuel injection system for spark ignition inte Electronic control fuel injection system for spark ignition inte

1983-10-05

1985-06-25

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123399, 123415, 123416, 123489, 123494, 123571, F02D 500

Patent

active

045247455

ABSTRACT:
An electronic control fuel injection system for a spark ignition internal combustion engine is described which controls air flow rate as function of fuel flow rate by transmitting an operator's depression stroke of an accelerator pedal to a fuel selecting mechanism which determines the fuel flow rate, applying a signal representative of the selected fuel flow rate to a computer together with various correction information, calculating by the computer from the selected fuel flow rate and correction information, the optimum air flow rate, and determining the opening of a throttle valve from the calculated result via a throttle valve servo mechanism. The invention is particularly useful in eliminating hesitation of an automobile while attaining both fuel economy and low harmful exhaust emissions.

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patent: 3575147 (1971-04-01), Harrison et al.
patent: 3750632 (1973-08-01), Zechnall
patent: 3771504 (1973-11-01), Woods
patent: 3916854 (1975-11-01), Barton et al.
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patent: 4168679 (1979-09-01), Ikeura et al.
patent: 4195604 (1980-04-01), Taplin
patent: 4289108 (1981-09-01), Shioyama
Engine Air Control--Basis of a Vehicular Systems Control Hierarchy by Donald L. Stivender, 1978, Society of Automotive Engineers, Inc.
A Fluidic Fuel-Injection System Utilizing Air Modulation, by R. L. Woods, 1973, American Society of Mechanical Engineers, New York.

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