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:
“Teenagers who are never required to vacuum are living in one.”
—Fred G. Gosman (20th century)
“The daughters of delight now pump iron.”
—Mason Cooley (b. 1927)