File:Farm engines and how to run them; the young engineer's guide with special attention to traction and gasoline farm engines, and a chapter on the science of successful threshing (1910) (14765354315).jpg

Identifier: farmengineshowto00step (find matches)
Title: Farm engines and how to run them; the young engineer's guide ... with special attention to traction and gasoline farm engines, and a chapter on the science of successful threshing
Year: 1910 (1910s)
Authors: Stephenson, James H
Subjects: Farm engines Traction-engines
Publisher: Chicago, F.J. Drake & Co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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f thestack. This screen must be kept w^ell cleaned by brushing,or the draft of the engine w^ill be impaired by it. In another form of spark arrester, the smoke is madeto pass through water, which effectually kills every pos-sible spark. The Diamond Spark Arrester does not interfere withthe draft and is so consltructed that all sparks are carriedby a counter current through a tube into a pail wherewater is kept. The inverted cone, as shown in cut, ismade of steel wire cloth, which permits smoke and gasto escape, but no sparks. There is no possible chance toset fire to anything by sparks. It is adapted to any steamengine that exhausts into the smoke stack. CHAPTER III. THE SIMPLE ENGINE. The engine is the part of a power plant which convertssteam pressure into power in such form that it can dowork.^ Properly speaking, the engine has nothing todo with generating steam. That is done exclusively inihe boiler, which has already been described. The steam engine was invented by James Watt, in
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VIEW OF SIMPLE CYLINDER.(J. I. Case Threshing Machine Co.) England, betw^een 1765 and 1790, and he understood allthe essential parts of the engine as now built. It w^asimproved, however, by Seguin, Ericsson, Stephenson,Fulton, and many others.Let ivs first consider: the: simple engine. 33 THE STEAM CYLINDER, ITS PARTS AND CONNECTIONS. The cylinder proper is constructed of a single pieceof cast iron bored out smooth. The cylinder heads are the flat discs or caps bolted tothe ends of the cylinder itself. Sometimes one cylinderhead is cast in the same piece with the engine frame. The piston is a circular disc working back and forthin the cylinder. It is usually a hollow casting, and tomake it fit the C3^1inder steam tight, it is supplied on itscircumference w^ith piston rings. These are made ofslightly larger diameter than the piston, and serve assprings against the sides of the cylinder. The follower

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