Vacuum cleaners are devices that use an air pump to create a partial vacuum to suck up dirt and dust, normally from carpeted floors. Most homes that have carpet floors have a vacuum for cleaning. The dirt that is pulled up from the carpet is collected by a filtering system or even a cyclone for later disposal.
There are several type of configurations possible for vacuum cleaners.
Upright
Upright vacuums have the pump mounted directly above the suction intake, with the bag mounted directly on the handle, which will rise to waist height or so. The upright type designs normally employ mechanical beaters which often rotate brushes, to help disturb dust enough to be vacuumed up. These beaters are normally driven by a belt that is attached to the vacuum motor.
Canister
Also known as cylinder vacuums, the canister type designs have the motor and bag in a seperate canister unit that connects to the vacuum head by a flexible hose. Even though upright units have been tested as being more effective, the lighter and more maneuverable heads of the canister models are quite popular. Some models have power heads, which contain the same type of mechanical...
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