| 摘要 |
In the stratified combustion rotary piston engine of the Wankel-type, wherein individual combustion chambers are charged with a relatively rich fuel-air mixture and a relatively lean fuel-air mixture or air by first and second intake systems, each system incorporating a fuel injection means, at least one of said fuel injection means being actuated for only selected suction strokes of individual combustion chambers so that the overall air/fuel ratio is altered for the individual combustion chambers.
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