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公开(公告)号：US3885939A
公开(公告)日：1975-05-27
申请号：US46407874
申请日：1974-04-25
Applicant: GEN DYNAMICS CORP
Inventor： MARKUM ARVEL DEAN
CPC classification number: F25J1/0276 , F25B9/02 , F25B2400/12 , F25J2205/20 , F25J2280/40 , Y10T137/0391
Abstract: Flow control for a cryostat in which the refrigerant flow rate is controlled by adding a contaminant to the refrigerant.
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