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Ventilation and Heating; Principles and Application. a Treatise downloadPDF, EPUB, MOBI

Ventilation and Heating; Principles and Application. a Treatise downloadPDF, EPUB, MOBI

Ventilation and Heating; Principles and Application. a Treatise.cB F Sturtevant
Ventilation and Heating; Principles and Application. a Treatise
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Author: B F Sturtevant
Page Count: 46 pages
Published Date: 01 May 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Format: PDF
ISBN: 9781231107171
File Name: Ventilation.and.Heating;.Principles.and.Application..a.Treatise.pdf
Download Link: Ventilation and Heating; Principles and Application. a Treatise
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1896 Excerpt: ...the heating system. If the fan is to be used where steam of any reasonable pressure is employed for heating, it must be obvious that the simplest and most economical arrangement would call for an engine to drive the fan, for the exhaust steam could all be utilized for heating purposes. For use in the form of an exhaust fan, as an adjunct to a plenum system of heating, the electric fan is, however, frequently of great service. It may be easily installed and operated in an out-of-the-way position as in any other, and can be arranged to be started and stopped from a switchboard in a much more convenient location, so that the attendant will seldom have to visit the fan. STEAM FAN. It is always desirable that the means of propulsion for a fan should be rendered as independent as possible of any other source of power; in other words, that the motor adopted should be devoted solely to the driving of the fan. Although the electric motor, as already pointed out, is being very generally introduced, the steam engine stands as the almost universal agent for fan propulsion, the combination of fan and engine being designated a steam fan. As constructed of steel plate in the smaller sizes, the shell and wheel are identical with those used for a pulley fan. In the place of the pulley and its hanger, however, there is provided a special type of centrecrank upright engine, with its cylinder above the shaft, supported upon a substantial base and carrying the fan wheel overhung upon the end of its shaft, all as illustrated in Fig. 24. In the larger sizes of full housing steam fans, the engine is of an entirely different form, as shown in Fig. 25, having its cylinder beneath the shaft, the opposite end of which is supported by a box in the inlet of the fan. Both types of engine...

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