Patent ID: 9360163
Filing Date: 2016-06-07
CPC Classification: F17C

Claim Text:
1. An apparatus attached to an exterior surface of a compressed gas storage container, the compressed gas storage container having an interior surface entrapping an upper portion of vaporized gas and a lower portion of liquefied gas, the apparatus comprising: a collar configured to externally encircle a lower portion of the compressed gas storage container to provide thermal contact between a lower portion of the compressed gas storage container and ambient surroundings to stabilize a pressure inside the compressed gas storage container; and a plurality of fins that are in thermal contact with the collar and extend radially away from the exterior surface of the compressed gas storage container, wherein the collar is configured to be held in place by a firm fit between the collar and the compressed gas storage container to passively provide ambient heat energy from outside the of the compressed gas storage container to the lower portion of liquefied gas, and a surface area of the collar and fins exposed to the ambient surroundings is equivalent to a total surface area of the interior surface of the compressed gas storage container.