Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 222
h may be arrangedto cause a draft on the inspirator principle, using either outside air or a part of the flue gases asmay be desired. In the center of the chimney, just below the narrowest part, is fitted a nozzle connected tothe fan, the blast through this nozzle causing a suction in the lower… … Fig. 14. Prat System of Induced Draft.A. Nozzle for Prat System, without diffuser. B. Prat System nozzle with diffuser and annulardamper. C. Cross-section of power plant, showing out of circuit and in circuit method of in-stalling the Prat System. In the out-of-circuit system the fan draws its air…
Building · Heating · Ventilation
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