pump backstreaming

  • 1Vacuum 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… …

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  • 2Diffusion 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… …

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  • 3Roughing pump — A roughing pump is any vacuum pump (typically mechanical) used to initially evacuate a vacuum system, as a first stage towards achieving high vacuum or ultra high vacuum. Pumps that operate in the high vacuum ranges don t operate or operate… …

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  • 4перетекание рабочей среды со стороны подачи на сторону всасывания насоса — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN pump backstreaming …

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  • 5Cryopump — A cryopump is a vacuum pump that traps gases and vapours by condensing them on a cold surface. They are only effective on some gases, depending on the freezing and boiling points of the gas relative to the cryopump s temperature. They are… …

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