Universal electric pump is also an electric motor, but which was adapted in a way so that the water pressure is increased by means of a rotation electric motor generates.
As well as the electric motor, the universal electric pump consists of: armature or rotor, switch, winding, brushes and the only different part is the hydraulic pump.
The armature or rotor function in electric motor is receiving current from a power source that is outside and make armor and turn this function, the armor also receives the rotor name.
All electric motor has a commutator, since the main function of it is to make the alternating current pass through the armor. The constitution of the switch features: curved copper plates fixed and which are placed on the armature shaft.
The field winding or the stator act within the electric motor and causes the magneto-motive force is produced in a certain amount so that the generation of the magnetic flux occurs.
The electric motor brushes are fixed graphite connectors that are under the springs and this causes them to brush the switch.
The hydraulic pump in the electrical pump causes low pressure tap is turned into high pressure. https://www.mrosupply.com/automation/dc-speed-controls/227570_m174000800_leeson/