vacuum diffusion pump
1Diffusion pump — Six inch oil diffusion pump. Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. Presented in 1915 by Wolfgang Gaede[1] and using mercury vapor, they were… …
2diffusion pump — noun vacuum pump used to obtain a high vacuum • Syn: ↑condensation pump • Hypernyms: ↑air pump, ↑vacuum pump * * * noun : a vacuum pump for producing extremely high vacuums by diffusing gas into a jet of vapor of mercury or some heavy oil by… …
3diffusion pump — /dəˈfjuʒən pʌmp/ (say duh fyoohzhuhn pump) noun a pump for obtaining a high vacuum in which mercury or oil is forced through an orifice; gas molecules from the vessel to be exhausted diffuse through the mercury or oil vapour around the orifice… …
4Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …
5vacuum technology — Introduction all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …
6vacuum pump — noun a pump that moves air in or out of something • Syn: ↑air pump • Hypernyms: ↑pump • Hyponyms: ↑condensation pump, ↑diffusion pump, ↑inflater, ↑inflator, ↑ …
7pump — pump1 pumpable, adj. pumpless, adj. pumplike, adj. /pump/, n. 1. an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. 2. Engin., Building Trades. a shore …
8Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
9diffusion vacuum pump — difuzinis vakuuminis siurblys statusas T sritis fizika atitikmenys: angl. diffusion vacuum pump vok. Diffusionsvakuumpumpe, f rus. диффузионный вакуумный насос, m pranc. pompe à vide à diffusion, f …
10Turbomolecular pump — A turbomolecular pump is a type of vacuum pump, superficially similar to a turbopump, used to obtain and maintain high vacuum. These pumps work on the principle that gas molecules can be given momentum in a desired direction by repeated collision …
