Self-powered slush maintenance unit

Details Self-powered slush maintenance unit Self-powered slush maintenance unit

1992-09-25

1994-04-12

Bennet, Henry A.

Refrigeration

Storage of solidified or liquified gas

Cryogen stored in both phases

62 10, 62 532, 62239, 244135R, F17C 500

Patent

active

053015100

ABSTRACT:
A self-powered, mobile maintenance apparatus for continuously supplying slush hydrogen as a powering fuel to an aerospace vehicle prior to take-off including a first apparatus for obtaining liquid hydrogen from the vehicle, a second apparatus for generating slush hydrogen, a third apparatus for delivering the liquid hydrogen obtained from the vehicle to the second apparatus for generating slush hydrogen so that the liquid hydrogen can be converted to slush hydrogen, pump apparatus communicating with the second apparatus generating slush hydrogen for developing a vacuum in a region of the second apparatus for generating slush hydrogen so that a solid hydrogen fraction is produced, and apparatus for delivering the slush hydrogen mixture to the aerospace vehicle to be used as the powering fuel. In comparison with similar conventional systems, the apparatus of the invention facilitates a substantial reduction in size and power requirements for producing slush hydrogen, provides all power required by the mobile unit, elimininates the need for a burn stack, and provides extra energy for secondary functions.

REFERENCES:
patent: 3354662 (1967-11-01), Daunt
patent: 3521458 (1970-07-01), Huibers et al.
patent: 4386950 (1983-07-01), Bell et al.
patent: 5154062 (1992-10-01), Gaumer, Jr. et al.
patent: 5168710 (1992-12-01), Miyazaki

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