| 摘要 |
An end disc assembly for an infinitely variable transmission of the toroidal race rolling friction type comprises an end disc (36) mounted on a shaft (30). Interposed between the disc (36) and shaft (30) is a spherical bearing (32, 38) allowing the disc (36) to pivot out of a plane orthogonal to the shaft (30) and also allowing the disc (36) to receive an axial load. The disc (36) is also connected to the shaft (30) via a relatively flexible diaphragm (35) allowing transmission of torque whilst tolerating small changes in the angle of the disc to the shaft. The assembly is suitable for use in a variator at the end opposite the end to which hydraulic loading is applied. Such a variator may comprise a central disc assembly (15) and two end discs, defining between them two toroidal cavities (20, 21) in which torque transmitting rollers (22, 23) run. The central disc assembly (15) has a fixed angle with respect to the shaft whilst one or both of the end discs (11, 12) may pivot out of perpendicular. |
