A vacuum pump is a device that removes gas molecules 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.
Read more about Vacuum Pump: Types, Performance Measures, Positive Displacement, Momentum Transfer, Entrapment, Other Pump Types, Techniques, Uses of Vacuum Pumps, History of The Vacuum Pump, Hazards
Famous quotes containing the words vacuum and/or pump:
“If it were possible to have a life absolutely free from every feeling of sin, what a terrifying vacuum it would be!”
—Cesare Pavese (1908–1950)
“Vivacity, leadership, must be had, and we are not allowed to be nice in choosing. We must fetch the pump with dirty water, if clean cannot be had.”
—Ralph Waldo Emerson (1803–1882)