The History Of The Vacuum PumpThe History Of The Vacuum Pump

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Otto von Guericke, a German researcher, long ago in the late 17th century initially exhibited the qualities of vacuums He joined 2 copper hemispheres in an enclosed space and after that pumped air out of the enclosure A team of eight horses could not pull the hemispheres apart By allowing the air back into the container the hemispheres could easily be pulled apart This was the birth of the vacuum pump and as time passed the vacuum pump evolved to increased practical uses for example in manufacturing where these pumps are widely used to move products along In modern technology these pumps are widely-used to drive power brakes and cruise control systems in motor vehicles as one example where they are run off power produced by a vacuum pump


It was Robert Boyle, an Irish scientist, who later at Oxford University read about Otto von Guericke's air pump and set it upon himself to improve its design, a task he was assisted in by Robert Hooke Hook assisted Boyle in re devising the air pump to be used in Boyle's study of the gas laws Boyle was to become a founding member of the Royal Society and held the name of FRS himself, as did Hooke Although Boyle saw himself principally as a chemist, his first published scientific work" New Experiments Physico-Mechanicall, Touching the Spring of the Air and Its Effects (1660) concerned the physical nature of air This took the form of studies he carried out using an air pump to generate a vacuum In the subsequent edition of his work in 1662, he described his renowned law that said that the volume of a gas will differ inversely with pressure

There are lots of applications for a vacuum pump in industry, some of which are:

o CPM as well as Composite Plastic Molding
o In the manufacturing process of electric lamps, CRT's (Cathode Ray Tubes) and the like where the device is either left empty or re-filled by using a particular gas or gas
o The production of semi-conductors o Milking devices and even
o Hard coating of components

There are predominantly 3 types of vacuum pump, namely:

o Positive Displacement pumps, where these pumping systems extend a cavity and enable the gasses to flow out of the sealed chamber, like in electric light manufacturing,
o Molecular pumps where high-speed rotating blades are widely-used to eliminate gas molecules from a closed chamber and even
o Entrapment pumps, which catch gases in a solid state or an absorbed state These pumping systems are usually utilized in combination of the first 2 pumps to create high vacuum chambers

Ahead of the invention of the vacuum pump in the 1650's the Romans used a water pump - the suction pump - of which an example was found in Pompeii In the 17th century water pumps had developed to a stage where they generated some measure of vacuum, but such pumps couldn't pull water beyond a particular height, thought to be +- 10 meters This undoubtedly placed a limitation on irrigation and other water jobs at the time




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The History Of The Vacuum PumpThe History Of The Vacuum Pump

Article By:
Jonathan Morleson

Source: http://www.internet-marketing-cafe.com/Art/315241/16/The-History-Of-The-Vacuum-PumpThe-History-Of-The-Vacuum-Pump.html

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