Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 800
, and pin are all cast in one piece of steel; thebalancing weights are bolted on. Valves, Valve Gear and Governor.—Simple, flat poppetvalves of forged steel, with beveled seats, are used through-out the engine, and the need for cooling the exhaust valvesin larger sizes is obviated by the use of… … Fig. 336cross section through cylinder and valve chambers, du bois gas engine cylinder barrel, and they are drilled, instead of being cored,in order to obtain absolute accuracy in dimension and loca- 784 Steam Engineering tion. The inlet and exhaust valves of each cylinder areopened by a cam, two…
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