Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
chamber in whichsmoke passes from aboiler before being vented through achimney
Etymologies
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Examples
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The front of the boiler is attached to the frame by the smokebox, which is a cylinder, bolted on a light, cast-iron saddle (not part of the cylinder castings nor attached to them, but bolted directly to the top rail of the frame; it may be a hastily made repair put on at the shops of the C.V.R.R.).
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A grid is placed across the smokebox just above the tubes, and provision is made, as shown in Figs. 1 and 4, for closing the top of the exhaust nozzle, and opening a communication between the exhaust pipes and the external air when the engine is run reversed.
Scientific American Supplement, No. 384, May 12, 1883 Various
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On the top of the barrel is a large dome containing the regulator, as shown in Fig. 1, from which view the arrangement of the gusset stays for the back plate of firebox casing and for the smokebox tube plate will be seen.
Scientific American Supplement, No. 384, May 12, 1883 Various
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It is located directly below the steam dome even though it was common practice to place the throttle valve at the front of the boiler in the smokebox.
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For sampling the gases in the smokebox of the horizontal return-tubular boiler, a special flue-gas sampler was designed, in order to obtain a composite sample of the gases escaping from the boiler.
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Considering the cramped condition inside the smokebox, there would seem to be little space for the addition of the throttle valve; hence its present location.
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The frames are deep and heavy, being 1 3/8 in. thick, and they are stayed by a substantial box framing at the smokebox end, by a cast-iron footplate at the rear end, and by the intermediate plate stays shown.
Scientific American Supplement, No. 384, May 12, 1883 Various
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This creates a partial vacuum in the smokebox that draws the fire, gases, ash, and smoke through the boiler tubes from the firebox.
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The modifications included: mounting Worthington feedwater heaters on the firemans side, moving the air pumps from the smokebox front to the firemans side, replacing the restrictive oval smokebox door with a large, maintenance-friendly, round door and exchanging the small eight-wheel USRA tender with a distinctive twelve-wheeler of N
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The modifications included: mounting Worthington feedwater heaters on the firemans side, moving the air pumps from the smokebox front to the firemans side, replacing the restrictive oval smokebox door with a large, maintenance-friendly, round door and exchanging the small eight-wheel USRA tender with a distinctive twelve-wheeler of N
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