Patent ID: 11932354
Assignee: STENA POWER & LNG SOLUTIONS AS
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 24:
25. A method for fluid transfer comprising coupling a first valve adjacent to a second valve to define an internal cavity therebetween; operating the first and second valves to initiate flow of a cryogenic liquid through the internal cavity and between the first and second valves; pumping cryogenic liquid through the first and second valves; upon identification of an emergency release event, stopping the pumping of cryogenic liquid; thereafter closing the first and second valves to isolate the internal cavity; injecting a pressurized flushing gas into the internal cavity; flushing the internal cavity of cryogenic liquid remaining in the internal cavity after the first and second valves are closed; and utilizing the injected pressurized flushing gas to drive the cryogenic liquid into a drainage tank.