To provide a hydraulic servo mechanism capable of improving the degree of freedom on layout, while securing a function, and a hydraulic continuously variable transmission device capable of realizing a compact configuration.
This hydraulic continuously variable transmission device 1 for tilting a movable swash plate (input side swash plate 6) of a hydraulic pump of a plunger type variable capacity type or the hydraulic motor by a hydraulic servo mechanism 3, the hydraulic servo mechanism 3 has a configuration equipped with a power piston 15 tilted and driven in the connected state to one end of the input side swash plate 6; a servo spool 13 arranged approximately in parallel with the input side swash plate 6, in the orthogonal direction to a sliding direction of the power piston 15; and a feedback link 24 for connecting the servo spool 13 to the input side swash plate 6.
COPYRIGHT: (C)2008,JPO&INPIT
SHIOZAKI SHUJI
OUCHIDA TAKASHI
JPH11351134A | 1999-12-21 |