Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature
Reexamination Certificate
2005-04-29
2009-12-29
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Having magnetic field feature
C429S010000, C422S198000
Reexamination Certificate
active
07638213
ABSTRACT:
A vaporizer is provided for vaporizing liquid in a fluid stream. The vaporizer includes at least two heat exchangers serially arranged in a direction of flow of the fluid stream through the vaporizer for vaporizing liquid in the fluid stream in stages. The heat exchangers each comprise a first plurality of thermally conductive flow channels through which the fluid stream flows and a second plurality of thermally conductive flow channels through which a heating stream flows and which are in heat exchange relationship with the first plurality of thermally conductive flow channels. A liquid supply means is provided for adding liquid to a downstream heat exchanger. The added liquid mixes with the vaporized stream exiting an upstream heat exchanger for vaporization in the downstream heat exchanger.
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Pettit William H.
Stukey Kevin
GM Global Technology Operations Inc.
Ryan Patrick
Wills Monique
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