Inventors:
Bruce D. Caldwell - Morgan City LA
Paul D. Duncan - Matthews NC
John H. Fricker - Seabrook TX
Charles L. Hethcoat - Houston TX
Rick C. Hunter - Friendswood TX
Paul E. Robinson - Houston TX
Assignee:
Oceaneering International Inc. - Houston TX
International Classification:
F17C 702
Abstract:
There are disclosed several embodiments of dewars each of which include an insulated apparatus for storing and delivering a liquid cryogen and a capacitance gauge for measuring the liquid level of cryogen. A process for rapidly filling the vessel with cryogen is also disclosed.