Electric resistance heating devices – Heating devices – Vaporizer
Patent
1997-01-02
1999-03-23
Jeffery, John A.
Electric resistance heating devices
Heating devices
Vaporizer
392399, A01G 1306, B01D 306
Patent
active
058871179
ABSTRACT:
A device and method for flash evaporating a reagent includes an evaporation chamber that houses a dome on which evaporation occurs. The dome is solid and of high thermal conductivity and mass, and may be heated to a temperature sufficient to vaporize a specific reagent. The reagent is supplied from an external source to the dome through a nozzle, and may be supplied as a continuous stream, as a shower, and as discrete drops. A carrier gas may be introduced into the evaporation chamber and create a vortex flow therewithin. After evaporation, the gas vapor may be removed from the evaporation chamber through a regulating valve to a reaction chamber. Another embodiment of the invention includes a plurality of evaporating domes that separately receive reagent, and may receive reagents of differing composition.
REFERENCES:
patent: 522718 (1894-07-01), Leonard
patent: 2219522 (1940-04-01), Hinsch
patent: 5224202 (1993-06-01), Arnold et al.
Desu Seshu Babu
Ramanathan Sasangan
Suchicital Carlos Tres Avala
Jeffery John A.
Patel Vinod D
Sharp Kabushiki Kaisha
Virginia Tech Intellectual Properties Inc.
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