| 摘要 |
A reciprocating machine comprising a working piston (10) and cylinder (12) assembly, a counter rotating crank drive having an inner crankshaft (22) carrying an eccentric in driving connection with the piston (10), the eccentric being rotatable within a big end bearing housing and the piston (10) being connected to said bearing housing, wherein the inner crank shaft (22) is eccentrically journalled about an intermediate axis in a single outer crankshaft (26) which is rotatably mounted relative to a crank case (28) of the machine for rotation about a main axis, the inner crank shaft (22) having an inner gear (56) in engagement with an outer ring gear stationary (54) with respect to the crank case (28). |
