| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hydraulic circuit and a method capable of sharing transmission lubricating oil and actuator operating oil without damaging the reliability of the actuator. <P>SOLUTION: For the hydraulic circuit and its method, a common drain for receiving return lubricating oil from a transmission and control valve return oil of an actuator and a hydraulic pump for sending the oil from the drain to the transmission and the respective actuator control valves are included, and a bubble separating apparatus is disposed immediately after the discharge side of the hydraulic pump. <P>COPYRIGHT: (C)2010,JPO&INPIT |
