| 摘要 |
A roller control system for a CVT of the toroidal-race, rolling-traction type in which a roller assembly comprises a roller (1) mounted in a carriage, and in which operating mechanism (10) contacts and applies a predetermined control force to the carriage whereby to control the manner in which its roller transmits torque and ratio between the two discs with which it is contact, and in which the roller assembly is located by only three contacts with adjacent components namely the two disc/roller contacts and the contact with the operating mechanism. The roller centre (6) can move along the roller axis (5) relative to the carriage, and the carriage and the operating mechanism are connected by way of a hinged joint (7) with a single degree of freedom. The preferred operating mechanism is of piston (11, 12) and cylinder (13, 14) type. The axis (8) of the hinge may lie between the operating mechanism and the roller, or (e.g. at 40, Figure 4) may pass through the operating mechanism itself. |
