| 摘要 |
In order to improve the performance characteristics of a machine for converting linear motion to rotary motion (particularly an internal configuration engine) or vice versa, the invention proposes an eccentric crank mechanism communicating motion between a reciprocating piston (1) and a rotary shaft (5), comprising a pin (9) having journalled thereon a connecting rod (3) of the piston, and wherein the crank pin has an eccentric motion profile relative to the axis of the rotary shaft, the eccentric motion profile being controlled by a driving connection (13, 14) between a stator (11) and a rotor (7) carrying the crank pin, and wherein rotary motion of the rotor and the rotary shaft is communicated one to the other by a journalled connection (17) between the rotor and an eccentric journal (19) of the rotary shaft. The driving connection conveniently comprises toothed grooving. The profile of the stator and rotor determines the eccentric motion profile. |
