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)
“My nurses, those starchy ghosts,
hover over me for my lame hours
and my lame days. The mechanics
of the body pump for their tricks.”
—Anne Sexton (1928–1974)