Motor driven CVT (continuously variable transmission) electro-hydraulic control system
An electro-hydraulic control system, motor-driven technology, applied in transmission control, mechanical equipment, transmission, etc., can solve the mutual interference between speed ratio control and clamping force control, affect the working performance of the continuously variable transmission, and the effective range of the pressure valve. Reduce and other problems, to solve the problem of throttling power loss, the effect of energy saving is remarkable, and the effect of reducing power loss
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[0021] The present invention will be described in further detail below in conjunction with the drawings and specific embodiments.
[0022] figure 2 It is a schematic diagram of the structure of the motor-driven CVT electro-hydraulic control system of the present invention, image 3 It is the block schematic diagram of the motor and solenoid valve control circuit, as shown in the figure: the motor-driven CVT electro-hydraulic control system includes the driving wheel hydraulic cylinder 12, the driven wheel hydraulic cylinder 13, the motor and solenoid valve control circuit, which are connected in parallel to the driving wheel hydraulic The speed ratio control circuit and the clamping force control circuit on the cylinder 12 and the driven wheel hydraulic cylinder 13. In this embodiment, CVT (Continuously Variable Trans-mission) refers to a continuously variable transmission.
[0023] The speed ratio control circuit includes a DC motor I1, a two-way hydraulic pump 2, a shuttle valv...
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