F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
162/28
F25J 3/04 (2006.01) C01B 23/00 (2006.01)
Patent
CA 1212309
ABSTRACT OF THE DISCLOSURE This invention provides a method for compressing a low tem- perature high density liquid gas, for example, helium. The method comprises the steps of: withdrawing and transferring the fluid from a storage receptacle to the accumulator of the first inlet of a two stage compressor; compressing the fluid in the first stage to a pressure intermediate that of the storage receptacle and the final pressure at the point of delivery of the fluid; transferring the pressurized fluid from the first stage to a second stage permitting warming of the fluid during transfer and compressing the fluid to the pressure required at the point of delivery; and heat exchanging and warming the fluid exiting the second stage against ambient atmosphere and discharging the warmed fluid to a point of use. The prior art methods of compressing usually require a large capacity heat exchanger and a source of heat, together with a compressor con- taining usually 4 or 5 stages and inter and after stage cooling requiring a driver, a cooling source and devices to remove entrained contaminants, namely, oil in the form of vapors used to lubricate the compressor.
479201
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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