Patent ID: 9702506
Date: 2017-07-11
CPC Classifications: F17C

Claim:
1. An LNG tank, comprising: an inner shell of stainless steel; an outer shell spaced at a distance from the inner shell, the inner and outer shells defining an isolation space therebetween; at least one double-walled pipe of stainless steel connected to the LNG tank, the at least one double-walled pipe including: a common outer wall, and at least one inner pipe, the at least one double-walled pipe being configured for extending into a tank room associated with the tank, wherein an end of the at least one inner pipe being configured to extend into the tank room, and is connected to a valve in a valve block, and an end of the outer wall of the double-walled pipe being configured for extending into the tank room is connected to the valve block to provide a continuous secondary barrier for the at least one inner pipe between the inner shell of the LNG tank and the valve block wherein the tank room is an enclosed space connected to the LNG tank and is configured to contain LNG and natural gas.