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

Claim 25:
26. 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; 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; utilizing the injected pressurized flushing gas to drive the cryogenic liquid into a drainage tank; and disengaging the first valve from the second valve after the internal cavity has been flushed.