Hydraulic control system of automatic dual-clutch transmission
A technology of hydraulic control system and automatic transmission, applied in transmission control, components with teeth, belts/chains/gears, etc., which can solve the problems of inability to ensure reliable return of R gear, poor system reliability, and reduced system efficiency, etc. problem, achieve the effect of reliable return, solve reliable return, and improve the quality of empty return
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Embodiment approach 1
[0016] like figure 1 As shown, the dual clutch automatic transmission hydraulic control system includes a clutch control module 1054 for selectively and independently shifting each clutch, a shift control module 1055 for driving synchronizer shifts of the transmission, and a clutch cooling module for controlling clutch cooling. The hydraulic clutch cooling module 1056, the shaft cooling module 1057 used to control the shaft cooling fluid inside the transmission, and the main pressure regulating module 1058 used to adjust the pressure of the entire hydraulic system. There are two shift solenoids in the shift control module 1055 The valves 1016, 1022 and one R shift oil cylinder 1031' have a shift valve 1013 in the clutch control module 1054, and the R shift oil cylinder 1031' communicates with the shift valve 1013 through the R shift oil circuit 1041. The output oil circuit 1017 of the gear electromagnetic valve 1016 is connected in parallel with an R gear return empty oil circ...
Embodiment approach 2
[0018] like figure 2 As shown, the dual clutch automatic transmission hydraulic control system includes a clutch control module 1054 for selectively and independently shifting each clutch, a shift control module 1055 for driving synchronizer shifts of the transmission, and a clutch cooling module for controlling clutch cooling. The hydraulic clutch cooling module 1056, the shaft cooling module 1057 used to control the shaft cooling fluid inside the transmission, and the main pressure regulating module 1058 used to adjust the pressure of the entire hydraulic system. There are two shift solenoids in the shift control module 1055 The valves 1016, 1022 and one R shift oil cylinder 1031' have a shift valve 1013 in the clutch control module 1054, and the R shift oil cylinder 1031' communicates with the shift valve 1013 through the R shift oil circuit 1041. The output oil circuit 1023 of the gear solenoid valve 1022 is connected in parallel with an R gear return empty oil circuit 10...
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