| 摘要 |
<p>1,164,867. Fluid-pressure servomotor systems. KAYABA KOGYO K.K. Dec.21, 1968 [Dec.23, 1965; May 17, 1966], No. 29210/68. Divided out of 1, 164, 866. Heading G3P. The subject-matter of the Specification is identical with that described in Specification 1, 164, 866; but the claims are chiefly concerned with a hydraulic system comprising a hydraulic motor, a control valve, which includes a valvemember or spool coupled to the motor and two groups of spaces between lands thereon, a source of pressurized liquid connected to each of said groups through controlling means, a liquid sump that is connectable to any one of three ports in a sleeve surrounding the valve-member, means for connecting one of said groups to one of a pair of ports in the motor and means for connecting the other of said groups to the other port in the motor.</p> |
