Ventilation – Having protecting air current – Surrounding protected area
Patent
1990-07-05
1992-09-08
Joyce, Harold
Ventilation
Having protecting air current
Surrounding protected area
454 1, F23J 1100
Patent
active
051454580
ABSTRACT:
In a method and apparatus for lifting gas streams, vertical streams of air and/or gases of a great height are artificially formed in the atmosphere, mainly for decontamination purposes, by heating the air throughout a circular area sufficient to produce a shaft effect, so as to form an ascending column of air and/or gases. The air and/or gases are then driven within the column to produce a rotatory movement thereof to form a vortex. Once a column of a sufficient height has been formed, the rotatory driving action on the air and/or gases is interrupted while the heating thereof is maintained so that the vortex is maintained by the lifting force induced by heat.
REFERENCES:
patent: 512508 (1894-01-01), Gaul
patent: 3695192 (1972-10-01), Von Brimer
patent: 3987631 (1976-10-01), Heller et al.
patent: 4649807 (1987-03-01), Aasen et al.
Girault Pablo
Grijalva Nicolas
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