| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hydraulic control device for an automatic transmission saving electric power consumption. <P>SOLUTION: The hydraulic control device for the automatic transmission includes normally closed type SL1 linear solenoid 4210, SL2 linear solenoid 4220, SL3 linear solenoid 4230 and SL4 linear solenoid 4240 and a sequence valve connecting the SL1 linear solenoid 4210 to a servo of C1 clutch 3640, the SL2 linear solenoid 4220 to a servo of C2 clutch 3650, and the SL4 linear solenoid 4240 to a servo of B1 brake 3630 at normal time, and selectively connecting D1 range hydraulic passage 4102 to servo of the C1 clutch 3640 and servo of the C2 clutch 3650, and D range hydraulic passage 4102 to servo of B3 brake 3630 at a time of occurrence of an electrical failure. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
