| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hydraulic control device for a continuously variable transmission which does not require a special device for controlling an opening/closing valve provided on an oil passage. <P>SOLUTION: The hydraulic control device for the continuously variable transmission includes a first oil passage 57 for supplying oil discharged from a first discharge port 48 to a first oil requiring part 3 and a second oil requiring part 82, a second oil passage 78 for supplying oil discharged from a second discharge port 69 to the second oil requiring part 82, and a switching valve 73 for supplying the oil discharged from the second discharge port 69 to the first oil passage 57 or second oil passage 78. The opening/closing valves 122, 125 are provided on at least one of a first passage 64 for supplying when needed to which the oil is discharged from the first oil requiring part 3, and a second passage for supplying when needed in which oil supplied from the first oil passage 57 to the second oil requiring part 82 flows, and an interlocking control device 103 is provided so as to conduct open/close control of at least one of the opening/closing valves 122, 125 by interlocking with switching of the switching valve 73. <P>COPYRIGHT: (C)2008,JPO&INPIT |
