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)
“God primes the pump of obligation.”
—A.P. Martinich (b. 1946)