The Boeing Company

Albert D Olsen

Daniel A Watts

Shailesh Atreya

Gerald D Miller

Wesley K Moore

Adrian Viisoreanu

William John Bigbee-Hansen

David S Jenkins

Russell W Morris

Ronald W Davidson

A Reduced Boil-off Thermal Conditioning System ('RBTC System') for transferring liquid natural gas ('LNG') from a LNG supply tank to a LNG storage tank with reduced boil-off is disclosed. The RBTC System includes the LNG storage tank, a cryogenic fluid tank within the LNG supply tank, and a compressor. The LNG storage tank includes a first and second LNG pipe. The cryogenic fluid tank is configured to store a cryogenic fluid within the cryogenic fluid tank and the first and second LNG pipe are in fluid communication with to the cryogenic fluid tank. The first LNG pipe is in fluid communication with compressor.

Reduced boil-off thermal conditioning system

Hydrogen powered air vehicles that in some embodiments can fly with very long endurance (10 or more days) at altitudes over 60,000 ft carrying payloads of up to 2,000 pounds. Embodiments may include features such as large wingspan relative to fuselage and an all composite or partial composite structure for light weight and strength. The aircraft of the invention use one or more internal combustion engines adapted for hydrogen combustion, each engine driving propellers. The hydrogen fuel is stored on board in containers, located within the fuselage, as a cryogenic liquid, and is vaporized in a heat exchanger before delivery to the internal combustion engine.

Long endurance hydrogen powered vehicle

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Huntington Beach, CA, United States of America

Albert D Olsen