. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . steel, and the wearing facesare specially treated. Three surfaces are here spoken of. Thefirst deals with vertical movements, twoare required for horizontal movement, andanother for the rolling movement. In onetype of radial buffer, twin springs aresubstituted for the wedge, the chafingfaces being the same for both types. Thisdesign is used where the tender is requiredto absorb part of the engine rear-endmovements. .All movements betweenengine and tender, whether vertical, hori-zontal or roll
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . steel, and the wearing facesare specially treated. Three surfaces are here spoken of. Thefirst deals with vertical movements, twoare required for horizontal movement, andanother for the rolling movement. In onetype of radial buffer, twin springs aresubstituted for the wedge, the chafingfaces being the same for both types. Thisdesign is used where the tender is requiredto absorb part of the engine rear-endmovements. .All movements betweenengine and tender, whether vertical, hori-zontal or rolling, are provided for by theradial and spherical surfaces of the chaf-ing plates and the engaging surfaces ofwhat i« calku the floating block, and thus July, 1917. RAILWAY AXD LOCOMOTIVE EXGINEERIXG 215 the spring function is merely that of keep- room for a man to enter the boiler for ing the surfaces together under a prede- internal inspection without removing he termined pressure. valve or breaking a steam joint. On The Chambers throttle valve, used on superheated engines this has been of great. CH.\MDERS THROTTLE V.\LVE IX POSITIOX. this engine is applicalile to engines usingsuperheat, as this one does. The fact thatthe engine is in transfer service requiresa certain amount of drifting in the dayswork, and this form of valve takes careof the results of running shut off wherea superheated steam appliance is in the first place the Chambers throttlevalve takes steam from the highest pointof the dome and thus avoids syphoningwater into the dry pipe. The valve has asingle seat, but is fully balanced, whichis manifestly easier to grind and keepproperly in repair. The valve does notrequire removal for internal boiler in-spection. The parts are standardized soas to be interchangeable with those of anyother Chambers valves on the road. It has been applied to this B. & engine. The valve, as applied tothis engine, is illustrated by our engrav-ings. Some of the princi
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
