| 摘要 |
Each cylinder is surrounded by four annular channels. The first three annular channels are in communication with the interior volume of the cylinder through a plurality of spaced apart openings and with a transfer channel connecting the opposite ends of the interior volume of the cylinder. The fourth annular channel is in communication with the interior volume of the cylinder through a plurality of spaced apart openings and with the exhaust pipe. The transfer channel has its wall formed with a plurality of spaced apart apertures therethrough, these apertures being distributed lengthwise of the transfer channel, such that they put the transfer channel in communication with the intake pipe, the apertures being provided each with a one-way low-inertial inlet device for allowing a high rate air flow to be aspirated into the cylinder with substantially no flow back towards the intake pipe.
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