Monthly Archives for January 2010

Hydraulic Pump Mounts

Pump mounts are gearboxes that are designed to power hydraulic pumps. These gearboxes have one input and provisions for mounting one to four pumps on the output side (Fig. 4.30). Mounts are available with or without clutches, and different gear … Continue reading

26. January 2010 by Jack
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Multiple Hydraulic Pump Circuits

The multiple pump design places two or more pumps in the same housing and drives them with a single input shaft. Sometimes, only one inlet is provided, but each pump has its own outlet. The advantage of a multiple pump … Continue reading

26. January 2010 by Jack
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Hydraulic Vane Pump Efficiency

The Vickers Model 25V (T) vane pump has a displacement (cam ring fixed for maximum displacement) of 4.81 in3/rev. The specifications are: Maximum speed 1800 rpm Maximum pressure 2500 psi As was done with the gerotor pump, performance at 1200 … Continue reading

25. January 2010 by Jack
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Hydraulic Servo Valves

Servo valves are a close relative of the proportional valve and are based on an electrical torque motor which produces a small deflection proportional to the electrical current through its coil. They commonly use feedback between the main and pilot … Continue reading

06. January 2010 by Jack
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