US Patent:
20070186565, Aug 16, 2007
Inventors:
Ned Baudat - New Braunfels TX, US
Frank Ross - Houston TX, US
Randy Sharp - Houston TX, US
International Classification:
F17C 9/02
Abstract:
An apparatus for vaporizing a cryogenic fluid comprises a heat transfer fluid closed circulation loop at least partially defined by an ambient air heat exchanger, a heater, and a vaporizer. The heat exchanger is configured to direct air downward across a plurality of heat exchanger tubes. A cryogenic fluid flows through the vaporizer. The plurality of tubes comprise a first tube having a first fin of a height, h, and a second tube spaced adjacent the first tube, where the second tube has a second fin of a height, h, wherein his different from h.