Specification of Constant Jouffroy Duméry : smoke-preventing apparatus.

  • Duméry, Constant Jouffroy.
Date:
1855
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Constant Jouffroy Duméry : smoke-preventing apparatus. Source: Wellcome Collection.

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    Dumerys Improvements in Smoke-preventing Apparatus. carrying cross bars, upon which the grate bars are laid; D, D, shaft pinion and crank; E, fire bridge; F, coal that has been converted into coke and burns without flame; G, fresh coal, that has not been lighted yet; H, four ledge bars for maintaining the coal during its ascension, which can be taken out through slots in the furnace when the grate has come home. ; 5 Fig. 4, click or finger for supporting the grate bars when they have arrived in the upper position, a, fixed or stationary click or finger ; 5, moveable click or finger for letting the grate bar pass and retaining it. Fig. 5 shews a sectional elevation through A, B, Fig. 6, of a furnace arranged for working with artificial or moulded coal; and Fig. 6 is a sectional 10 plan of the same furnace through C, D, Fig. 5. E, stationary frame, carrying the bars & upper ducts; F, grate bars; G, upper ducts; II, compressed spring for retaining the moulded fuel; J, lower frame, which is moveable; K, lower ducts, in which the moulded coal is inserted; L, pistons for raising the fuel; M, pinions and racks for the raising motion. Instead of these, I also 15 sometimes use chains fixed at one end to a drum, and at the other to the ends of rods without teeth, to be used in lieu of racks. Z, bevel wheel, for setting in motion all the lines by one single crank. Fig. 7, furnace, with charging drawer for natural fuel, shewn in sectional elevation through the line A, B, Fig. 8. 20 Fig. 8 is a sectional plan of said furnace, through the line C, D, Fig. 7. N, interior grooves with inclined sides, and perforated, in the manner of vertical grates; 0, fixed frame, carrying the grooves N ; P, sliding frame, carrying the extension of the grooves N; Q, pistons, with rods and lifting pinions or chains; R, holes for inserting the maintaining grate bars; S, wheels for moving the 25 carriage upon the rails. Sheet 2. *• l • ■ * v ‘ Fig. 9 is a chimney grate. Fig. 10, a front of a chimney for rooms. Fig. 11, front elevation of a small portable chimney or stove, with lateral 80 introduction of the fuel and forced blast. Fig. 12, section of Fig. 11 through the line A, B. Fig. 13, section perpendicular to Fig. 12, through the line C, D, Fig. 12. In the three Figs, last mentioned, the course of the coal is indicated by firm arrows, and that of the air by dotted ones. 35 Fig. 14 is a section of a kitchen furnace, the firm arrow shewing the direction in which the fuel is introduced, and the dotted arrows the direction of the current of air.