. The Street railway journal . FIG. 1.—300-KVV TUl-iBO-ALTERNATOR AND EXCITER and the cylinders are fitted with drain and relief valves ofample size. The exterior is lagged with non-conductingmaterial and covered with steel sheets. The steam distribution valves are cast-iron and of the bal-anced piston type,annealed after rough turning. The high-pres-sure pistons are of cast-iron, bored and faced, having recessesformed in the top flanges, into which the registers of the cylin-ders fit, thus insuring alignment of cylinders and guides. The about 15 lbs. per square inch through a closed system of
. The Street railway journal . FIG. 1.—300-KVV TUl-iBO-ALTERNATOR AND EXCITER and the cylinders are fitted with drain and relief valves ofample size. The exterior is lagged with non-conductingmaterial and covered with steel sheets. The steam distribution valves are cast-iron and of the bal-anced piston type,annealed after rough turning. The high-pres-sure pistons are of cast-iron, bored and faced, having recessesformed in the top flanges, into which the registers of the cylin-ders fit, thus insuring alignment of cylinders and guides. The about 15 lbs. per square inch through a closed system of pipesand channels to all the working surfaces. Strainers are fitted,easily removed for cleaning, through which all the oil is filteredon its way from the pumps to the bearings. On the electrical side of the unit the armature is of thehollow-drum multipolar type, consisting of a cast-iron spidercarrying the core laminations. The spider and coupling arecast solid for direct connection to the engine, so that power is. FIG. 2,—500-VOLT TURBO-GENERATOR cylinders are mounted on a cast-iron standard, to which areattached the cross-head guides. This standard encloses thewhole of the working parts, and is fitted with large doors atthe front and back, to give easy access to the interior. Thebed-plate is of cast-iron, girder form, in one piece, with thesupports for the main bearings. The crank chambers in thebed-plate form the reservoir into which the lubricant flowsafter being forced through all the bearing surfaces. directly transmitted from the fly-wheel to the armature, and alltorsional strains on the shaft are avoided. The stampings areof charcoal iron, .014 thick, in&ulated from each other bypaper or varnish, and fixed rigidly to the spider by dove-tailedkeys. The armature bars are firmly held in position by keysand binding wire. The field magnets are made of cast-steel of high rigid construction is adopted to prevent sagging during erec- June 6, 1903.] STREET RA
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
