Electronic fuel injection system without battery for internal combustion engine
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United States of America Patent
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May 30, 1995
Grant Date -
N/A
app pub date -
Jun 8, 1993
filing date -
Jun 16, 1992
priority date (Note) -
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Abstract
Electric power is generated with rotation of a flywheel and crankshaft rotated by a starting operation of a recoil starter and supplied for driving and controlling a fuel injection valve, the fuel injection valve is supplied with fuel pressurized by a mechanical pump driven in an interlocked relation to the crankshaft, and control means provides an 'open' instruction to the fuel injection valve driving means in response to at least one of a voltage appearing on a reset input terminal of a microcomputer for controlling the fuel injection valve during resetting of the microcomputer. After completion of the resetting of the microcomputer, the fuel injection valve is controlled so as to cause fuel injection during 'open' valve intervals based on a predetermined fuel injection pattern at predetermined fuel injection timings.
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