Construction
A compact and lightweight vane pump assembly, which uses die-cast aluminum as the material for its front and rear housings, is used. By optimizing its internal construction, this vane pump has realized as low-friction operation, which leads to low fuel consumption.
Figure 1. Models with 3UR-FE Engine
Figure 2. Models with 1VD-FTV Engine
A VFC solenoid valve is provided to control the discharge flow rate.
| *1 | Vane Pump Assembly | *2 | VFC Solenoid Valve |
| *3 | Flow Control Valve | *4 | Solenoid Valve |
| *a | To Oil Reservoir | *b | From Pump |
| *c | To Steering Gear | *d | A-A Cross Section |
Figure 3. Flow Rate Characteristic of Solenoid Valve
| *1 | Flow Rate |
| *2 | Current |