To provide a hydraulic continuously-variable transmission which can reduce a length of hydraulic piping while securing cooling capacity of a movable swash plate and has a cooling structure for the swash plate, in the hydraulic continuously-variable transmission widely utilized in various industrial fields such as industrial machinery, and vehicles or the like.
In the hydraulic continuously-variable transmission, in which an input shaft 2 of a charge pump 26 and output shaft of a hydraulic motor are coaxially arranged on an engine output shaft, having a hydraulic pump (charge pump 26), the hydraulic motor, a hydraulic servo mechanism 3, and input and output swash plates 6 and 12, the input swash plate 6 is arranged between the hydraulic servo mechanism 3 and a cylinder block 7 of the charge pump 26, and working oil discharged from a relief valve 70 of the hydraulic servo mechanism 3 is discharged toward the input swash plate 6.
EGUCHI SHINGO
SHIOZAKI SHUJI
| JP2005083498A | 2005-03-31 | |||
| JP2002005273A | 2002-01-09 | |||
| JP2006226301A | 2006-08-31 |