JPS63185956U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a schematic configuration diagram of a vehicle automatic transmission according to an embodiment of the present invention, Fig. 2 is a conceptual diagram showing an example of its shift pattern, and Fig. 3 is an example of its PW and D range shift map. Figure 4 is a graph representing an example of a map for determining the duty rate, Figure 5 is a diagram showing the opening and closing of valves such as clutch engagement and clutch disengagement during driving, and Figure 6 is a diagram of the control program. FIG. 7 is a flowchart showing the starting routine of the control program.
FIG. 8 is a flowchart showing the rotation speed calculation routine in the control program, FIG. 9 is a flowchart showing the starting routine in the control program, and FIG. 10 is a flowchart showing the starting routine in the control program.
A flowchart showing the cMAKE1 and VacMAKE2 routines, FIG. 11 is a flowchart showing the AUS routine in the control program, FIG. 12 is a flowchart showing the CELL routine in the control program, and FIG. 13 is the control program. FIG. 14 is a flowchart showing the speed change routine in the control program.
15 is a flowchart showing the NEAIDL routine in the control program, FIG. 16 is a flowchart showing the NEHOLD routine in the control program, and FIG. 17 is a flowchart showing the NEAIDL routine in the control program. 18 is a flowchart showing the Vac step release routine in the control program; FIG. 19 is a flowchart showing the air check routine in the control program; FIG. 20 is a flowchart showing the air check routine in the control program. is a flowchart showing the ACiN routine in the control program, and FIG. 21 is a flowchart showing the ACiN routine in the control program.
Flowchart showing ac return routine, No. 22
The figure is a flowchart showing the CHANGE routine in the control program, and FIG. 23 is a flowchart showing gear N in the control program.
Figure 24 shows the clutch/control program in the control program.
FIG. 25 is a flowchart showing the clutch off duty signal output routine in the control program; FIG. 26 is a flowchart showing the clutch duty signal output routine in the control program. ,
FIG. 27 is a flowchart showing the clutch on signal output routine in the control program.
Figure 8 is a flowchart showing the diagnosis routine in the control program, Figure 29 is a flowchart showing the data reading routine in the control program, and Figure 30 is the initialization routine in the control program. Flowchart: FIG. 31 is a flowchart showing a judgment routine in the control program; FIG. 32 is a flowchart showing a VAC release routine in the control program; FIG. 33 is a processing routine in the control program. This is a flowchart showing the following. 11...Engine, 15...Friction clutch, 1
7...Gear type transmission, 21...Fuel injection pump,
23... Control rack, 25... Electromagnetic actuator, 33... Air cylinder, 47, 49
... Air tank, 53 ... Solenoid valve, 61 ... Change lever, 65 ... Gear shift unit, 71
...Control unit, 81...Accelerator pedal, 93...Microcomputer.

Claims (1)

[Scope of utility model registration request] a friction clutch connected to the engine, a hydraulic clutch actuator for operating the friction clutch, a gear transmission connected to the friction clutch, a gear position switching means for switching the gear position of the gear transmission; A fluid source for storing a working fluid for a hydraulic clutch actuator, and a normally closed normally closed circuit for fluid inflow interposed between this fluid source and the hydraulic clutch actuator, connected in parallel to each other. inflow solenoid valves X1 and X2, and normally closed discharge solenoid valves Y1 and Y2 connected in parallel to each other for fluid discharge interposed between this fluid source and the fluid pressure clutch actuator. is interposed between the inflow solenoid valves X1, X2 and the fluid source, and when the power is turned on, the inflow solenoid valve X
1. Connect X2 and the above fluid source, and open the inflow solenoid valves X1, X2 to the atmosphere when the power is not turned on.3
A directional switching valve, a clutch sensor that detects the engagement/disconnection state of the clutch, and when connecting the clutch, after opening either one of the discharge solenoid valves Y1 and Y2, the clutch sensor detects the connection of the clutch. After that, the above discharge solenoid valve Y is activated for a set time.
1. An automatic transmission device for a vehicle, comprising: a control means for opening either one of Y2.