Impeller
part · 1689 · Early modern era
The rotating bladed wheel of a pump or compressor.
Principles and materials it uses
- Cast iron — is made of. An impeller is cast iron or bronze.
- Centrifugal effect — uses. The vanes throw the liquid away from the centre.
Where it is used
- Centrifugal pump — is part of. The impeller accelerates the liquid.
- Turbine — is part of. The bladed wheel is the turbine’s rotor.
- Compressor — is part of. A centrifugal compressor is an impeller.
- Vacuum cleaner — is part of. An impeller creates the suction.
- Torque converter — is part of. The pump wheel.
- Water-jet propulsion — is part of. An impeller.
- Turbofan — is part of. A fan.
- Electric fan — is part of. A fan's blades are an impeller that pushes the air.