Liquid pump

A machine for the raising of liquids from a low to a high energy level for instance:
  • by the effect of a force on the pumping medium
  • by transferring mechanical work to the pumping medium
  • by impulse exchange
  • by utilizing the energy of a moving column of liquid when suddenly arrested
  • by making use of the viscosity of the pumped fluid
  • by the action of a magnetic field on the medium to be pumped.