impeller
3
8.4
- noun
- /ɪmˈpɛlər/
- Specialized
:
impulsor
- The mechanics replaced the damaged impeller to restore the pump's efficiency.
- pump impeller
- impeller casing
- impeller chamber
Examples
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Because the pumps are investment-cast, impellers require little or no stock removal for balancing.
Academic text (1995) -
Water flowing tangentially past the impeller causes it to rotate on its supporting axis.
Academic text (2003) -
Jake claims that we can actually see the pump impeller through here and spin it.
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When the impeller was turned on and water flowed through the tank, however, something amazing happened.
Academic text (2010) -
Water entering the case is directed through a single orifice into the impeller chamber.
Academic text (2003) -
Water passing through the chamber causes the impeller to rotate.
Academic text (2003) -
With that information in hand, engineers can redesign the impeller to avoid future loss in pumping capability, Carter said.
Academic text (2009) -
Radial-type pumps derive their non-clog characteristics from the type of impeller that is used in their construction.
Academic text (2001) -
The multi-vane, semi-open impeller is recessed into the discharge casing and is completely removed from the volute area.
Academic text (2001) -
High-strength impellers are engineered for maximum efficiency, minimum NPSH requirements, and large solids handling.
Academic text (1996)
How Powerful
Surface Forms
Morphology
Etymology
Impeller comes from the Latin parts im- and pellere, where pellere means 'to push'. Like the words propel and propeller, an impeller is a 'pusher', so its rotating blades push water or air to increase flow and pressure.