molecular drag pump

molecular drag pump

[mə′lek·yə·lər ′drag ‚pəmp]
(engineering)
A vacuum pump in which pumping is accomplished by imparting a high momentum to the gas molecules by impingement of a body rotating at very high speeds, as much as 16,000 revolutions per minute; such pumps achieve a vacuum as high as 10-6 torr.
Mentioned in ?
References in periodicals archive ?
Device to pump up the cryo holders with diaphragm pump and molecular drag pump technologies to produce a clean, dry vacuum in the low 10-6 Torr range.

Full browser ?