Vacuum cleaner
Vacuum cleaner A vacuum cleaner (also hoover in colloquial British English
British English
British English, or UK English or English English , is the broad term used to distinguish the forms of the English language used in the United Kingdom from forms used elsewhere...
) is a device that uses an air pump
Pump
A pump is a device used to move fluids, such as gases, liquids or slurries. A pump displaces a volume by physical or mechanical action. One common misconception about pumps is the thought that they create pressure. Pumps alone do not create pressure; they only displace fluid, causing a flow. ...
to create a partial vacuum
Vacuum
In everyday usage, vacuum is a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure. The word comes from the Latin term for "empty," but in reality, no volume of space can ever be perfectly empty...
to suck
Suction
Suction is the flow of a fluid into a partial vacuum, or region of low pressure. The pressure gradient between this region and the ambient pressure will propel matter toward the low pressure area. Suction is popularly thought of as an attractive effect, which is incorrect since vacuums do not...
up dust
Dust
Dust is a general name for minute solid particles with diameters less than 20 thou . Particles in the atmosphere arise from various sources such as soil dust lifted up by wind, volcanic eruptions, and pollution...
and dirt, usually from floors. The dirt is collected by either a dustbag or a cyclone
Cyclonic separation
Cyclonic separation is a method of removing particulates from an air, gas or water stream, without the use of filters, through vortex separation. Rotational effects and gravity are used to separate mixtures of solids and fluids....
for later disposal.
In 1876, Melville Bissell of Grand Rapids, Michigan
Grand Rapids, Michigan
Grand Rapids is a city in the U.S. state of Michigan. The city is located on the Grand River and is approximately 30 miles from Lake Michigan. As of the 2000 census, the city population was 197,800, making it the 114th largest city in the United States. It is the county seat of Kent County,...
created a vacuum cleaner for his wife, Anna, to clean up sawdust in carpeting. Shortly after, Bissell
Bissell
Bissell may refer to:* Bissell, California, unincorporated community in the US* Bissell, Wisconsin, unincorporated community in the US* Bissell , people with the surname Bissell...
Carpet Sweepers were born.
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Linear Mode
