When the impeller rotates, the vane causes the gas to m […]
When the impeller rotates, the vane causes the gas to move forward and outward due to the centrifugal force, thereby forming a series of spiral motions. The air between the blades of the impeller accelerates in a spiral shape and squeezes the gas outside the pump body (inhaled through the suction port) into the side groove. When it enters the side channel, the gas is compressed and then returns to the space between the blades of the impeller again. Speed up rotation. When the air passes through the impeller and the side groove along a spiral track, each impeller blade increases the degree of compression and acceleration. As the rotation progresses, the kinetic energy of the gas increases, so that the pressure of the gas passing along the side channel further increases. When the air reaches the connection point between the side groove and the discharge flange (the side channel becomes narrower at the outlet), the gas is squeezed out of the blade and exits the pump body through the outlet muffler.