Six gears direct-drive transmission and three shifts automatic transmission/ torque converter performance is shown in figure above. In the figure we can see that three…
Category: Hydraulic Circuits
Four basic hydraulic servo systems: 1. Valve motor two servo actuator system or servo motor. 2. Valve cylinder two servo actuator system or servo cylinders.…
The figure above shows a closed-center system with a variable-displacement pump in the neutral mode. When the pump in neutral mode, the hydraulic oil is…
This system uses a small fixed hydraulic pump to charge an accumulator. When the accumulator is fully charged, an unloading valve diverts the oil to…
In closed center system the hydraulic pump can rest when the oil is not required to operate a function. This circuit uses a control valve…
A typical hydraulic cylinder have a larger extending force than retracting because of the area difference between full bore and annulus sides of the piston.…
Hydraulic oil is cooled by a heat exchanger, there are 2 type of hydraulic oil heat exchanger: shell-and-tube and finned tube. The shell-and-tube heat exchanger…
Bendix hydro boost brake system was designed by Bendix Corporation to simplify the engine compartment. The figure above shows the Bendix hydro boost brake system…
Pressure control is the most important element in hydraulic circuit. Hydraulic components are designed to operate on a specific pressure range with capability to withstand…
In a hydraulic meter-out circuit the flow control valve is installed on the cylinder return line. The cylinder speed will be controlled through its discharge…