| 摘要 |
A reciprocating piston engine has at least one cylinder and a piston moveable back and forth therein. The piston is connected with a crank shaft through an articulated linkage which includes a first connecting rod pivotally connected to the piston, a second connecting rod pivotally connected to the crank shaft and a swinging lever, which swinging lever, at one of its ends, is pivotally supported for movement about a swing axis generally parallel to the crank shaft axis and which swinging lever, at its other end, is pivotally connected to both of the connecting rods.
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