System and method for regulating the flow of a fluid refrigerant to a cooling element
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United States of America Patent
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Nov 23, 1999
Grant Date -
N/A
app pub date -
Aug 15, 1997
filing date -
Aug 15, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for providing a fluid refrigerant to a cooling element is provided herein. The system includes a vessel which holds the fluid refrigerant, a heat source evaporating a portion of the fluid in the vessel, and a heat exchanger condensing a portion of the gaseous phase of the fluid in the vessel. A conduit establishes fluid communication between: (i) the vessel and the cooling element; and (ii) the cooling element and the heat exchanger. Importantly, the system controls the flow rate of the fluid refrigerant to the cooling element by controlling the pressure of the fluid in the vessel. The system is particularly useful with cryogenic fluid refrigerants to cool a superconductor for an MRI System.
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