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The impeller is generally composed of parts such as wheels, wheel covers and blades. The fluid rotates at high speed with the impeller under the action of the impeller, the gas is affected by the rotation of centrifugal force, and the expansion of pressure flow in the impeller, which increases the pressure after the impeller.

The impeller is generally composed of parts such as wheels, wheel covers and blades. The fluid rotates at high speed with the impeller under the action of the impeller, the gas is affected by the rotation of centrifugal force, and the expansion of pressure flow in the impeller, which increases the pressure after the impeller.