diesel transfer pump works

diesel transfer pump is provided with a pair of rotary gear pump, one active, one passive, relying on two gears meshing with each other, the entire work within the pump chamber is divided into two separate parts, the suction chamber and the discharge chamber; the pump is running initiative passive gear drive gear rotates, when the teeth of the engagement to disengage from the suction side to form a partial vacuum, and the liquid is being sucked liquid full gear each tooth valley and to the discharge side of the gear into engagement when the liquid is extrusion, high-pressure liquid and through the discharge outlet of the pump diesel hand pump.