F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 19/00 (2006.01) F22B 21/24 (2006.01) F24H 1/40 (2006.01) F24H 9/00 (2006.01)
Patent
CA 2043087
ABSTRACT A boiler comprising a housing having a top provided with a gas outlet, which can be positioned either at the front or rear of the housing to suit individual site conditions, bottom, left and right sides, and a front and back, and within the housing an upper manifold and lower manifold or manifolds substantially parallel to the top, bottom and side walls, two sets of tubes, one set of tubes are bent serpentinely so as to form a plurality of superimposed gas passages, at least two tubes of this set being bent differently so as to form access openings from each passage to the passages above and below. One set of tubes are straight and are substantially in contact with the bends of the serpentine tubes so they close the lowermost chamber and the gas passages on one side. The gas passages are closed on the serpentine tube side by a removable closing plate. One set of tubes joining the upper left side of the upper manifold to the lower left side of the lower manifold, and the other set of tubes joining the upper right side of the upper manifold to the lower right of the lower manifold. The openings from passage to passage are offset so to require a gas flowing through said passages to traverse one passage from front to back and the next passage from back to front. Means are provided for introducing liquid into the lower manifold and for withdrawing the liquid from the upper manifold, and means for introducing a combustion gas into the lowermost of the superimposed passages. The combustion gases rise successively through the passages which it successively and alternatingly traverses from front to back and then from back to front until it exits from the uppermost chamber through the gas outlet in the top, liquid flowing through the manifolds and tubes being heated by the combustion gas.
Jones Harry P.
Woodward Rogert M.
Armada Investment Group Inc.
Borden Ladner Gervais Llp
Jones Harry P.
Woodward Rogert M.
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