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2. Vacuum pump - Wikipedia

   en.wikipedia.org/wiki/Vacuum_pump

   In the field of oil regeneration and re-refining, vacuum pumps create a low vacuum for oil dehydration and a high vacuum for oil purification. [44] A vacuum may be used to power, or provide assistance to mechanical devices. In hybrid and diesel engine motor vehicles, a pump fitted on the engine (usually on the camshaft) is used to produce a vacuum.

3. Vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Vacuum_cleaner

   Portable vacuum cleaners working on the cyclonic separation principle became popular in the 1990s. This dirt separation principle was well known and often used in central vacuum systems. Cleveland's P.A. Geier Company had obtained a patent on a cyclonic vacuum cleaner as early as 1928, which was later sold to Health-Mor in 1939, introducing the ...

4. List of vacuum cleaners - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_cleaners

   This is a list of vacuum cleaners and robot vacuum cleaner manufacturers. A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and optionally from other surfaces as well. The dirt is gathered by either a dustbag or a rigid cartridge, which may be emptied and reused.

5. Vacuum ejector - Wikipedia

   en.wikipedia.org/wiki/Vacuum_Ejector

   A vacuum ejector, or simply ejector, or aspirator, is a type of vacuum pump, which produces vacuum by means of the Venturi effect.. In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in cross-sectional area.

6. Category:Vacuum pumps - Wikipedia

   en.wikipedia.org/wiki/Category:Vacuum_pumps

   Most general pumps can increase as well as decrease the pressure of a gas; however, this category contains pumps that are usually exclusively used to decrease pressure. Wikimedia Commons has media related to Vacuum pumps .

7. The No. 1 bestselling car vacuum on Amazon is on sale and ...

   www.aol.com/lifestyle/the-no-1-bestselling-car...

   Here's how you can do that: Amazon's No. 1 bestselling car vacuum. This handheld, lightweight vacuum is a reader favorite and has over 165,000 five-star reviews on Amazon. That is no small feat.