Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark Steven Haberbusch0
Philip Travis Putman0
Date of Patent
April 20, 2021
0Patent Application Number
169876020
Date Filed
August 7, 2020
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A system and method for the transfer of cryogenic fluid fuel includes a nozzle positionable with respect to fuel tank inlet, e.g., of an unmanned aerial vehicle (UAV), a seal to seal the area where the nozzle and inlet are connected, a collapsible and expandable bellows providing an isolation volume where the fluid is transferred from the nozzle into the inlet; a vacuum is provided in the volume to avoid accumulation of fuel or other species in the volume.
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