| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a hydrostatic transmission 24 (HST) suitable for a vehicle by solving an inconvenience accompanying with a high speed rotation of a swash plate type hydraulic piston pump 30. SOLUTION: A cylinder barrel 56 is integrally molded to a pump shaft 25a of the HST 24 and the pump shaft 25a is rotatably supported to a casing body 40 and an end cap 41 by two rolling bearings 46, 47 axially spaced respectively. A valve plate 65 is made to be a floating type valve plate which is urged to an end surface of a port side of the cylinder barrel 56 by a coil spring 69. The pump shaft 25a of the HST 24 may be integrally molded with an input shaft 25 of the HMT T.</p> |
