IMPROVEMENTS FURNACES AND Domone, AND HOT HEATING PARERRS-TER APPARATUS FOR HEATING PURPOSES
Year: 1856

page_text: LETTERS PATENT to William Healy, of No. 118, Dorset Street, Salisbury
Square County of Middlesex Hydraulic Engineer for the Invention of
A-
IMPROVEMENTS FURNACES AND Domone, AND HOT
HEATING PARER"
COMPLETE SPECIFICATION filed by the said William Healy at the Office
of the Commissioners of Patents, with his Petition and Declaration, on
the 18th November 1856, pursuant to the 9th section of the Patent Law
Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
HEALY, of Number 118, Dorset Street, Salisbury Square, County of Middlesex,
Hydraulic Engineer, send greeting.
WHEREAS I am in possession of an Invention for "IMPROVEMENTS IN
FURNACES AND BOILERS, AND HOT-WATER APPARATUS FOR HEATING PURPOSES," and
have petitioned Her Majesty to grant unto me, my executors, administrators,
and assigns, Her Royal Letters Patent for the same, and have made solemn
declaration that I verily believe myself to be the first and true Inventor
thereof.

page_text: NOW KNOW YE, that I, the said William Healy, do hereby declare that
the following Complete Specification, under my hand and seal, fully describes
the nature of my said Invention, and the manner in which the same is to be
performed, reference being made to the accompanying Drawings, Figures 1, 2,
8, 4, 5, 6, and 7.
Figure 1 is a transverse vertical section of the boiler and furnace. A is tho
furnace; B, B, the boiler, supported on brickwork surrounding and inclosing
the fuel in furnace A; C are the fire bars; D is the ash-pit; E, the brick-
work or masonry supporting the apparatus; F, F, are the flues; G is the
top plate or cover of the furnace and flues, made of iron, fire slabs, or
other suitable material; H is the feed hole of the furnace; and I, tho cover
thereof.
Figure 2 is a front view, showing the doors or valves K and L. The door
K is for regulating the supply of air to the heated products of combustion
passing off from the furnace A through the deflecting diaphragms, herein-after
to be described. The door L is for regulating the supply of air to the ash-pit,
and thence to the fuel.
Figure 3 is a longitudinal vertical section, by means of which I will proceed
to shew the manner in which I effect the perfect combustion of the fuel and
entire consumption of smoke. The same letters indicate the same parts,
as before described. The nascent carbon and heated products given off in the
furnace A ascend, and strike against the top plate G of the furnace, and
are directed towards the mouth of the flue M, as shown by the arrows. Before
arriving at this situation they are brought in contact with the Welsh or fire
lump N, and are drawn through the incandescent fuel on the fire bars, which
causes them to become highly heated. The heated matter then pass the mouth
of the flue and are met by a current of air, which is furnished by means of the
regulating door or valve K through the deflecting diaphragms O; the result
being the immediato chemical combination and combustion of the whole of the
inflammable materials by reason of the oxydation so carried out. The oxydated
invisible products now pass through the flucs F, F, surrounding the boiler, by
contact with which the heat is conducted to the water in the interior of the
boiler, afterwards escaping by the shaft or chimney R.
I do not confine myself to the situation of the deflectors shown at 0, 0, as
they may be placed in the situation l', communicating with the ash-pit, proper
provision being made for regulating the admission of air for their supply; nor
do I confine myself to the use of one set of diaphragms alone, as both may be
employed in combination, as shewn in the Drawing. I would also remark that

page_text: the deflecting fire lump N may be beneficially placed in a situation inclined
towards the back of the furnace, in order to deflect the heated products more
readily than would otherwise be the case. The fire lump or lumps Q form the
flame bed of the furnace.
Figure 4 is a plan view, wherein the same letters indicate the same parts.
In this Drawing the form and situation of the deflecting diaphragms 0
are plainly shewn. I do not confine myself to the method shewn of placing
the diaphragms O in a vertical position, as they may be placed horizontally if
desired; nor is it absolutely necessary that they be made deflecting, any other
suitable form of diaphragm can be employed.
Figure 5 shews a longitudinal vertical section of a saddle boiler and furnace
constructed on my principle. The same letters indicate the same parts.. In
this case the fire is fed from the side. The heated products from the furnace
A strike against the boiler and the deflecting fire lump, and thence proceed
through the mouth of the flue M, where they are met by the current of
air through the diaphragms 0, 0, in the same manner and with the same
result as already described.
Figure 6 is a longitudinal section, shewing another modification of my
apparatus, wherein it will be evident from the situation of the fire bars
that the radiant heat from their lower surface is made available for heating
that portion of the boiler situated beneath them; I am thus enabled to
advantageously employ such heat for heating the colder water in the lower
portion of the boiler, and, consequently, more efficiently and easily economize
the whole of the effective heat given out.
Figure 7 is a boiler of an oval form, made according to my Invention,
and set in brickwork, the arrangement of which is similar to the foregoing. I
sometimes make the boiler of a rectangular form, with rounded corners, instead
of the circular and oval forms shewn in Figures 6 and 7.
The pipes necessary for the circulation of the hot water may be adapted to
any of these modifications or forms of boilers, according to the usual well-
known methods.
This Invention is applicable to smoke-consuming furnaces and boilers,
to hot-water and warming apparatus for warming public buildings, churches,
manufactories, warehouses, mansions, dwelling houses, conservatories, and all
other places where heating apparatus is required. I do not confine myself to
the exact details herein described, as it is evident that my Invention may be
modified to suit various situations to which it may be necessary to adapt it;
but what I claim is the general adaptation and combination of the several

page_text: parts, as above described, or any other substantially the same, for effecting the
purposes herein specified.
In witness whereof, I, the said William Healy, have hereunto set my
hand and seal, this Eighteenth day of November, in the year of our
Lord One thousand eight hundred and fifty-six.
W HEALY. (L.B.)