Continuously variable belt transmission

摘要

The continuously variable belt transmission is provided with a fixed sheave (43) and a movable sheave (42) provided on a secondary shaft (31), a first hydraulic chamber (95) that presses the movable sheave (42) in an axial direction, a second hydraulic chamber (105) that gives the movable sheave (43) a pressing force acting in a direction opposite the pressing force given by the first hydraulic chamber (95), an oil passage connected to the second hydraulic chamber (105), and an oil receiver (99) disposed along a path from the oil passage to the second hydraulic chamber (105). The oil receiver (99) is attached to the secondary shaft (31), a bearing (34) and a bulkhead (89) are disposed on both sides of the oil receiver (99), an oil passage (79,81) is provided in the secondary shaft (31), and a grooved portion (103) provided in the oil receiver (99) connects the second hydraulic chamber (105) and the oil passage (79,81).