| 摘要 |
The drive arrangement for the two-cycle engine employs a multi-lobe cam and piston rods which are reciprocated in a rectilinear manner. A roller is mounted on each piston rod to contact and be driven by the multi-lobe drive cam off the drive shaft of the engine. Each lobe of the drive cam is of non-symmetrical shape so that ignition is timed to take place prior to the full extension of the piston rod into an associated combustion chamber.
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