Hydraulic gear
                        
                                                Hydraulic gear is a set of devices designed for machines and mechanisms driving by means of hydraulic energy.
Power transmission in a hydraulic gear is as follows: 
- The drive motor transmits torque to the pump shaft, which energizes the working fluid.
- The working fluid in the hydraulic lines through the control equipment is supplied to the hydraulic motor, where the hydraulic energy is converted into mechanical one.
- The working fluid in the hydraulic lines is returned either to the tank or directly to the pump.
                     
                    
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