A vacuum pump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was invented in 1650 by Otto von Guericke, and was preceded by the suction pump, which dates to antiquity.[1]
^Krafft, Fritz (2013). Otto Von Guerickes Neue (Sogenannte) Magdeburger Versuche über den Leeren Raum (in German). Springer-Verlag. p. 55. ISBN 978-3-662-00949-9.
vacuumpump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuumpump was...
"there is no observable evidence that rules out the possibility of vacuum". The suction pump was described by Arab engineer Al-Jazari in the 13th century,...
maintain contact with the walls as the pump rotates. This type of pump is considered less suitable than other vacuumpumps for high-viscosity and high-pressure...
A vacuum ejector, or simply ejector is a type of vacuumpump, which produces vacuum by means of the Venturi effect. In an ejector, a working fluid (liquid...
pump (also referred to as a sputter ion pump) is a type of vacuumpump which operates by sputtering a metal getter. Under ideal conditions, ion pumps...
bottom of the pump and out the exhaust. They were the first type of high vacuumpumps operating in the regime of free molecular flow, where the movement of...
turbomolecular pump is a type of vacuumpump, superficially similar to a turbopump, used to obtain and maintain high vacuum. These pumps work on the principle...
A vacuum truck, vacuum tanker, vactor truck, vactor, vac-con truck, vac-con is a tank truck that has a pump and a tank. The pump is designed to pneumatically...
used with a pump, a lubricating gel is always used to help the pump maintain a vacuum, in the same way vacuum grease is used with a vacuumpump in scientific...
A scroll compressor (also called spiral compressor, scroll pump and scroll vacuumpump) is a device for compressing air or refrigerant. It is used in...
A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuumpump. This results in a low-pressure environment within the...
creating a vacuum to decrease the chamber pressure below the vapor pressure of the water, causing it to boil. With the help of vacuumpumps, the pressure...
drag pump is a type of vacuumpump that utilizes the drag of air molecules against a rotating surface. The most common sub-type is the Holweck pump, which...
tubing to the pump if using an electric vacuum, or attached directly to a syringe if using a manual vacuum aspirator. The pump creates a vacuum and suction...
course of a year. Vacuumpump oil has very low vapour pressure and it is available in a range of densities; the lowest density vacuum oil was chosen for...
Edwards Ltd is a British multinational vacuumpump and exhaust gas management systems manufacturer. Its headquarters are in Burgess Hill, UK, and has...
When the rims were sealed with grease and the air was pumped out, the sphere contained a vacuum and could not be pulled apart by teams of horses. Once...
positive displacement: rope pumps and chain pumps These pumps move fluid using a rotating mechanism that creates a vacuum that captures and draws in the...
context of suction pumps (and the recently developed vacuumpumps), particularly with an eye to understanding the maximum height of pumps (and siphons) and...
difference between the pump and the fluid surface. Submersible pumps push fluid to the surface, rather than jet pumps, which create a vacuum and rely upon atmospheric...
pressure control, as vacuumpumping is self-limiting. The exhauster runs cooler as there is little compression of the pumped air. The pump seals are simpler...
titanium sublimation pump (TSP) is a type of vacuumpump used to remove residual gas in ultra-high vacuum systems, maintaining the vacuum. Its construction...
oven, and a means of rotating the sample. The vacuum is normally generated by using a high vacuumpump. Other uses: Dry distillation or destructive distillation...
the form of an eductor-jet pump, a water eductor or an aspirator. An ejector operates on similar principles to create a vacuum feed connection for braking...
evacuated chamber. A vacuum is initially created by connecting a container to a vacuumpump. After achieving a sufficient vacuum, the container can be...
A cryopump or a "cryogenic pump" is a vacuumpump that traps gases and vapours by condensing them on a cold surface, but are only effective on some gases...
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