The invention provides a stepless transmission, which can inhibit the generation of vibration and noise. No matter the temperature state, the change in the internal gap of a bearing is very small. The bearing (22,24) of a stepless transmission (1A) is inserted into a gearbox shell (21) in a way that under any temperature state, not a gap will generated between the bearing (22,24) and the gearbox shell (21). The contact part between the external ring (22a, 24a)/internal ring (22b, 24b) and a rolling body (22c, 24c) is inclined relative to the central axis (P1) of the bearing, so that the intersection point of the force line from the external ring (22a, 24a)/internal ring (22b, 24b) to the rolling body (22c, 24c) and the bearing central axis (P1) is closer to the external surface of the gearbox shell (21) than the center of the bearing (22, 24).
Stepless transmission
2015-04-29
Patent
Electronic Resource
English
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