V-belt type automatic transmission

摘要

To provide a V-belt type automatic transmission capable of securely cooling its movable sheave, a plurality of lateral passages 48 are formed in the axial portion of a movable sheave 33. Radial passages 47 are formed between a weight holder 42 and the disk 41 of the movable sheave 33. The ends on one side of the lateral passages 48 are made to be open at the end, opposite the disk 41, of the movable sheave 33, while the other ends of the lateral passages 48 are connected to the radially inside ends of the radial passages 47. The radially outside ends of the radial passages 47 are made open at the peripheral portion of the movable sheave 33.