Specification of Francis Erskine : economizing fuel and consuming smoke.

  • Erskine, Francis
Date:
1869
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Francis Erskine : economizing fuel and consuming smoke. Source: Wellcome Collection.

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    />AAAA^rt/>AA/\rvrsAAOiA f\/*' /\/*\ A -N ' NA-' •> /N 'X /\ /> /\ />. />/> /\S\ /S /\ /% /\ /V /■« , ^A'Xrv/VAAA^AM/ A.l). 1868, 12 th December. N° 3784. Economizing Fuel and Consuming Smoke. (This Invention received Provisional Protection only.) PROVISIONAL SPECIFICATION left by Francis Erskine at the Office of the Commissioners of Patents, with his Petition, on the 12th December 1868. I, Francis Erskine, of the City of Manchester, in the County of 5 Lancaster, Engineer, do hereby declare the nature of the said Invention for “ Improvements in Means or Arrangements for Economizing Fuel and Consuming Smoke, applicable to Steam Boiler and other Furnaces,” to be as follows:— This Invention consists in certain arrangements, namely, in forming 10 the fire bridge on a beam or otherwise to commence about on a level with the fire-bars and ascend to within a few inches of the under side of the boiler or top of the flue or furnace. By this arrangement an open space is left under the fire bridge between the ash-pit and the flue beyond the fire bridge, and the space for the products of combustion to pass above 15 the fire bridge is so far contracted that part of the flame or heat from the fuel is drawn through the fire-bars, and this heat and flame mixing with the air passing under the fire bridge meets the unconsumed gases passing over the fire bridge and the two combine and ignite, and thus
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