Stationary steam engines, simple and compound; especially as adapted to light and power plants . ELECTRIC LIGHTING PLANTS. 35 are carried on steel trunnions, and with hardened surfacesof contact are but little subject to wear. The steam orcut-off valve is set further away from the cylinder than inthe standard arrangements of Corliss and other builders ofthat class of engines, and this enables the maker of this engineto secure a single port with reduced clearance and lessliability to leakage, should the expansion valve leak. Inthis engine—and it should be the case in every engine inwhich the re
Stationary steam engines, simple and compound; especially as adapted to light and power plants . ELECTRIC LIGHTING PLANTS. 35 are carried on steel trunnions, and with hardened surfacesof contact are but little subject to wear. The steam orcut-off valve is set further away from the cylinder than inthe standard arrangements of Corliss and other builders ofthat class of engines, and this enables the maker of this engineto secure a single port with reduced clearance and lessliability to leakage, should the expansion valve leak. Inthis engine—and it should be the case in every engine inwhich the regulator is driven by belt—the connection fromshaft to governor is so made that the breaking of the beltpermits an automatic closing of the valve and the stopping. The Wheelock Valves. of the engine. The regularity of motion of the class ofengines described in this section, may be inferred from thefact stated in regard to the engine here studied, that it hasbeen known to vary but a half revolution per minute whenfive-sixths of the load was thrown off. Engines of the class described in this section have dis-played an economy in the use of fuel that has been rarelyexcelled by the best type of compound engine, workingunder the same conditions of steam supply. With good 36 STEAM ENGINES FOR boilers, they have given the horse-power with a consumptionof two pounds an hour for condensing engines, and threepounds for non-condensing engines. They have quiteoften demanded but a ton of coal for 100 barrels of flourground, in well arranged mills; and one and a quarter tons isa very usual figure. A number of good makers are nowbuilding such engines, and the purchaser can readily suithimself if desirous of selecting an engine of any grade, eitheras to cost or
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectsteamen, bookyear1902
