Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2011-06-21
2011-06-21
Wolfe, Jr., Willis R (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C701S105000, C123S599000, C123S1490FA, C123S1490FA
Reexamination Certificate
active
07966120
ABSTRACT:
A control system for an engine includes a regulator with an output waveform which includes a plurality of waves, each wave having a peak portion, a first portion located on a front side of the peak portion, and a second portion located on the other side of the peak portion, the second portion exhibiting a more rapid change in voltage than the first portion. An ECU is configured to turn on a fuel injector of the engine at a first timing and turn off an ignition plug of the engine at a second timing, the first and second timings corresponding to a shift in waveform output from the peak portion toward the first portion of a first wave and a second wave, respectively. The waveform shift corresponds to a predetermined angular shift in the rotational position of a crankshaft of the motorcycle engine of preferably about 3°.
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Dickstein & Shapiro LLP
Wolfe, Jr. Willis R
Yamaha Hatsudoki Kabushiki Kaisha
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