Hydraulic components - Pumps
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A hydraulic pump is a mechanical device that converts mechanical power into hydraulic energy. It generates flow with enough power to overcome pressure induced by the load.
 
A hydraulic pump performs two functions when it operates. Firstly, its mechanical action creates a vacuum at the pump inlet, subsequently allowing atmospheric pressure to force liquid from the reservoir and then pumping it through to the inlet line of the pump. Secondly, its mechanical action delivers this liquid to the pump outlet and forces it into the hydraulic system.
 
Hydraulic pumps are mainly driven by:
  • Electric motors
  • Diesel engines
  • Petrol engines
  • Gas turbines (in arcraft)
Types of hydraulic pumps:
Hydraulic pumps are mainly positive displacement pumps. Positive displacement pumps are divides into two categories. Namely rotating pumps and reciprocation pumps

 

 

 

 

Gear pump Screw pump Sliding vane pump Piston pump