impeller
Sign in to saveAlso known as blades, fan blades, impellor, impellar, turbine blades
thumb|upright=1.2|Impeller from a three-stage air compressor An impeller, or impellor, is a driven rotor used to increase the pressure and flow of a fluid. It is the opposite of a turbine, which extracts energy from, and reduces the pressure of, a flowing fluid.
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16 sectionsContents
- In pumps
- Types
- Open
- Semi-closed
- Closed or shrouded
- Screw
- In centrifugal compressors
- In water jets
- In agitated tanks
- Propellers
- In washing machines
- Firefighting rank badge
- In air pumps
- In medicine
- See also
- References
thumb|upright=1.2|Impeller from a three-stage air compressor An impeller, or impellor, is a driven rotor used to increase the pressure and flow of a fluid. It is the opposite of a turbine, which extracts energy from, and reduces the pressure of, a flowing fluid.
Strictly speaking, propellers are a sub-class of impellers where the flow both enters and leaves axially, but in many contexts the term "impeller" is reserved for non-propeller rotors where the flow enters axially and leaves radially, especially when creating suction in a pump or compressor.