Diffusion pump - Wikipedia, the free encyclopedia
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en.wikipedia.org/wiki/Diffusion_pump
Diffusion pumps use a high speed jet of vapor to direct gas molecules in the ... mercury vapor, they were the first type of high vacuum pumps operating in the ...
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link.aps.org/doi/10.1103/PhysRev.8.48
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to construct a jet pump which would operate even at the lowest pressures. Gaede ' has ... In order to introduce the gas into the blast of mercury vapor (process ...
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pubs.acs.org/doi/abs/10.1021/ja02255a009
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constructed, operating in series and supported by the water-jet pump. It is obvious that in designing these pumps it is necessary to give the mercury vapor at end ...
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www.2spi.com/catalog/vac/santovac-5-diffusion-pump-flui...
www.2spi.com/catalog/vac/santovac-5-diffusion-pump-fluid-technical-paper.html
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The original diffusion pump fluid used was mercury, which could withstand elevated ... Pump and jet designs have evolved over the years and synthetic fluids have ... molecules of the pumped gas penetrate some distance into the vapor jet in a ...
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www.sccs.swarthmore.edu/users/08/ajb/tmve/wiki100k/docs...
www.sccs.swarthmore.edu/users/08/ajb/tmve/wiki100k/docs/Diffusion_pump.html
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Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump ... Presented in 1915 by Wolfgang Gaede and using mercury vapor, they were ...
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antiqueradios.com/features/vacuum.shtml
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For bringing about quicker action, mercury vapor pumps have been ... the suction member consists of a nozzle (a) from which a jet of mercury vapor may be ...
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nd.edu/~nsl/Lectures/urls/LEYBOLD_FUNDAMENTALS.pdf
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Pumping of gases and vapors (wet processes) . . . . . . . . . . . . .62. 2.2.4 ... Liquid- filled (mercury) vacuum gauges . . . . . . . . . . . . . . . . . . .79. 3.2.3.1 U-tube vacuum .... 2.1.6.5 Water jet pumps and steam ejectors . . . . . . . . . . . . . . . . . . . . .45. 2.1.7 ...
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lpc1.clpccd.cc.ca.us/lpc/tswain/chapt7.pdf
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about 1915-16, and used mercury as the pumping fluid. A decade later ... Diffusion pumps are vapor jet pumps that work on the principle of momentum transfer.
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www.pumpfundamentals.com/pump_glossary.htm
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Pump terminology with images. ... Barometric pressure is a term used in meteorology and is often expressed in inches of Mercury. ..... The head or specific energy at the pump suction flange less the vapor pressure head ... Pitot (Roto-jet ) pump ...
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