| 摘要 |
A variable capacity hydraulic device, according to the present invention, comprises: a housing; a cylinder block which is installed inside the housing to be rotated; pistons which are inserted into multiple cylinder holes formed in the cylinder block, respectively; an inclined plate which is installed in the opposite end to the cylinder holes in the piston to be slid and is able to be tilted to the housing to be slid; an oil groove which is formed in either the sliding surface of the housing or the sliding surface of the inclined plate to secure the sliding of the housing and the inclined plate; an actuating piston which tilts the inclined plate; and a servo mechanism which supplies pressurized oil to power the actuating piston, wherein the secondary pressure generated in the servo mechanism is supplied to the oil groove. |
