Locomotive Breakdowns, Emergencies And Their Remedies;  An Up-to Date Catechism by George Little Fowler

Locomotive Breakdowns, Emergencies And Their Remedies; An Up-to Date Catechism

byGeorge Little Fowler

Paperback | May 21, 2012

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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. 1908 Excerpt: ... at full capacity, in two separate chambers, A and B; the instrument is designed for a certain steam pressure, and when that pressure is supplied the steam from nozzle 21 combines with the amount of water from chamber B that can pass around the nozzle and is delivered on through the injector to the boiler, and this represents about as great a supply as a boiler would require when working hooked well up, or on light throttle, and represents the whole work of the injector when the water supply is restricted by partial closure of the water valve 13. After the steam from nozzle 21 has picked up the water of chamber B, its energy--if at approximately full pressure--is not nearly exhausted, and as the jet passes through tubes 23, 24 and 24A, it first induces a vacuum in chamber A; then, if emergency valve 35 is open, as it normally should be, and if the water supply valve 13 is fully open, inlet valve 19 will rise and permit feed water to fill chamber A, where it will be picked up by the main jet at the apertures between the tubes, and in these tubes, 23, 24 and 24 A, will absorb the remaining energy of the steam and thus increase the capacity of the injector to the maximum. Understanding this, it should be plain that if the steam pressure should fall very much below the maximum its decrease in energy would result in its ceasing to combine with the water of chamber A, inlet valve 19 would seat, and the injector would be working at a reduced capacity--the capacity of the water supply through the orifice around nozzle 21. Q. If the overflow valve (technically, the heater cock check), 86, should leak what would be the result? A. The action of the jet through tubes 23, 24 and 24A could not produce a vacuum in chamber A, as air would be drawn in through valve 86, and ...

Details & Specs

Title:Locomotive Breakdowns, Emergencies And Their Remedies; An Up-to Date CatechismFormat:PaperbackDimensions:66 pages, 9.69 × 7.44 × 0.14 inPublished:May 21, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:021785897X

ISBN - 13:9780217858977

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