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US 9,310,104 B2Granted
Modular architecture for helium compressors
AssigneeQuantum Design International, Inc.
InventorsJost Diederichs, Michael Bancroft Simmonds
Life of this patent
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Abstract
A modular architecture for helium compressors is described. In the modular architecture, oil is cooled independently from gas. In one aspect, the oil is cooled subsequent to the gas with a series of water-cooled heat exchangers. In another aspect, the oil is cooled using a water-cooled heat exchanger coupled to a radiator, and the gas is independently cooled using a refrigerant-cooled heat exchanger coupled to a condensing unit.
Claims5
An oil-lubricated compressor system which compresses a monatomic gas and which comprises:
- a water-cooled heat exchanger for cooling oil, wherein the water-cooled heat exchanger is coupled to a radiator for circulating cooling water therebetween in a first closed cycle;
- and a refrigerant-cooled heat exchanger for cooling the gas, wherein the refrigerant-cooled heat exchanger is coupled to a condensing unit configured to condense and cool a refrigerant in a second closed cycle, wherein said water-cooled heat exchanger is thermally isolated from said refrigerant-cooled heat exchanger to allow said water-cooled heat exchanger and said refrigerant-cooled heat exchanger to operate at separate temperatures.
Dependencies are inferred from the claim text.