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2. Vacuum engineering - Wikipedia

   en.wikipedia.org/wiki/Vacuum_engineering

   Vacuum technology is a method used to evacuate air from a closed volume by creating a pressure differential from the closed volume to some vent, the ultimate vent being the open atmosphere. [2] When using an industrial vacuum system, a vacuum pump or generator creates this pressure differential.

3. Central vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Central_vacuum_cleaner

   Central vacuum systems also started to become popular among European consumers interested in their hygienic and convenience benefits. By the 1990s, central vacuum systems gained popularity among real estate agents and home remodelers for the value they added to homes at resale.

4. Vacuum pump - Wikipedia

   en.wikipedia.org/wiki/Vacuum_pump

   Vacuum pumps are combined with chambers and operational procedures into a wide variety of vacuum systems. Sometimes more than one pump will be used (in series or in parallel) in a single application. A partial vacuum, or rough vacuum, can be created using a positive displacement pump that transports a gas load from an inlet port to an outlet ...

5. Edwards Vacuum - Wikipedia

   en.wikipedia.org/wiki/Edwards_Vacuum

   Edwards Ltd is a British multinational vacuum pump and exhaust gas management systems manufacturer. Its headquarters are in Burgess Hill , UK, and has been part of the Atlas Copco Group since 2014. [ 12 ] [ 13 ] [ 1 ] Edwards holds 1,700 patents , including for dry (oil-free) vacuum pumps , and produces equipment used for manufacturing ...

6. Vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Vacuum_cleaner

   The dirt is collected into a dust bag or a plastic bin. Vacuum cleaners, which are used in homes as well as in commercial settings, exist in a variety of sizes and types, including stick vacuums, handheld vacuums, upright vacuums, and canister vacuums. Specialized shop vacuums can be used to clean both solid debris and liquids.

7. 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.