Pump for cryogenic fluids

Details Pump for cryogenic fluids Pump for cryogenic fluids

F - Mech Eng,Light,Heat,Weapons

17

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162/28

F17D 1/14 (2006.01) F04B 3/00 (2006.01) F04B 15/08 (2006.01) F17C 5/02 (2006.01)

Patent

CA 1250219

ABSTRACT OF THE DISCLOSURE The cryogenic pump operates in two stages, utilizing a supercharging part and a high pressure part. These two parts are comprised of a high pressure piston pump and a supercharger disposed in a tandem relationship and having a common piston rod. The supercharger is enclosed in a heat insulated intermediate container and delivers the cryogenic fluid in the liquid phase to the high pressure cylinder. The pump operates to convey the cryogenic fluid in the liquid phase, such as liquid nitrogen, for example, at a high pressure through evaporating means into pres- sure resistant commercial steel cylinders where the gaseous nitrogen is kept at a pressure of 200 bars and ambient tempera- ture.

477932

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