Improved Heating Apparatus for Turkish and Hot-air Baths.
Year: 1896

page_text: Date of Application, 5th Mar., 1896
Complete Specification Left, 5th Jan., 1897-Accepted, 5th Mar., 1897
PROVISIONAL SPECIFICATION.
Improved Heating Apparatus for Turkish and Hot-air Baths.
I, ALFRED ARBURY, The Turkish Baths, Richmond Terrace, Blackburn, in
the County of Lancaster, Baths Proprietor, do hereby declare the nature of this
invention to be as follows :-
An improvement over the existing methods of heating consists in the employ-
ment of a flue passing from the lower part of the firebox at Q in plan, the said
flue being constructed of wrought iron tubes 12 inches in diameter and of greater
or less length according to the space at disposal also wrought iron smoke
boxes B. F. K. D. H. M. the flues can be 10 or 20 feet or more; the contents
discharge into the smoke shaft at A. The large area of the tubes forming the flue
gives off the maximum heat to the surrounding air with a minimum of supply, by
which means sufficient heat is given off without having to generate a heat in the
stove which will affect the iron flues thus getting the maximum life out of the
apparatus. The enormous waste of heat in acting upon fireclay, brick, and other
Don-conducting material, as is the case in most existing apparatuses, is entirely
obviated; also, by the time the gases from the stove reach the smoke shaft the
heat is practically exhausted: the saving in fuel is very great.
In the accompanying drawings,
Sheet 1. Fig. 1. Upright section shewing section of the exhaust shaft O, the
air shaft N, the smoke boxes B. F. K. D. H & M ; the tubes C. E. G. I & L;
the dome R, and the hot air space S. S. S.; & shews the fire box door Qin
elevation.
Sheet 2. Fig. 2. Section of dome shewing the cross section of the fire box Q,
the boiler T, and the hot air space S. S. S. S.; also the fresh air inlet and sieve
box at V in elevation.
Sheet 3. Fig. 3. Plan shewing fire box Q. dome R, hot air space S. S. S S.;
fresh air inlet and sieve box V; smoke boxes K. M.; tube L.; exhaust shaft C.;
and tube N.
The nature of the invention is the employment of the tubes C. E. G. I. & L,
which convey the products of combustion from the dome R into the exhaust
shaft O, the tube A being smaller than the tubes C. E. G. I & L checks the speed.
of the draught through C. E. G. I. & L., and by reason of the slow passage of
the products of combustion the greatest possible portion of the heat is extracted
and imparted to the tubes C. E.G. I & L which heat the air passing over them &
out into the hot rooms of the bath at X. X. The iron tubes and iron smoke boxes
are an improvement upon the brick and tile ones now used, being absolutely
impervious to the fumes the escape of which from flues constructed of brick or
tile is a great drawback the flues can also be cleaned at the smoke boxes without
any removal of the structure as is the case in brick or tile flues.
Dated this 26th day of October 1896.

page_text: Improved Heating Apparatus for Turkish and Hot-air Baths.
I, ALFRED ARBURY of The Turkish Baths, Richmond Terrace, Blackburn, in
the County of Lancaster, Baths Proprietor, do hereby declare the nature of this
invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
My invention relates to heating apparatus as used with Turkish and hot-air
baths, and has for its object to effect a greater, utilisation of the heat given off by
such apparatus than heretofore, and my invention consists essentially in the
employment of metal tubes, in lieu of bricked or tiled passages, for effecting the
desired heating of the bath-room air, and of arrangements in and about said tubes
and the boiler or other generator of heat as hereinafter set forth.
And in order that my said invention shall be more readily understood and carried
into practical effect, I will further describe the same by the aid of the three sheets
of drawings filed with my Provisional Specification and by the figures and letters
of, reference marked thereon.
Fig. 1 is a longitudinal section of the complete arrangement and construction of
my improved heating apparatus, Fig. 2 is a transverse section, and Fig. 3 a
sectional plan.
In accordance with my invention (T) is the water space of the boiler or heat
generator, (Q) the fire box, and (R) the dome or furnace shell.
Surrounding said boiler is the brick work producing the hot air space (S).
Within a continuation of the same hot air space, or within a special brick chamber
is a "nest" or stack of metal tubes (C), (E), (G), (I) and (L), sustained, by
preference, one above the other by "headers," or end pieces, forming smoke
boxes (B), (F), (K); (D), (H) and (M).
These smoke boxes and tubes are joined to the furnace shell (R) at (A), and
form the flue thereof, through which the products of combustion pass, first into
smoke box (B) & into tube (C), from thence through tube (E) into box (F), and
so on through tubes. (G), (I), and (L), and boxes (H), (K) and (M) when they
pass into the chimney, or flue (O).
Whilst passing through the several tubes and boxes the heat of said products of
combustion is effectually absorbed by the metal, which in turn imparts it to the
surrounding air, which plays upon and circulates around the exterior surfaces of
such tubes, to an extent greatly in excess of bricked or tiled flues and by reason
of the greatly extended heating surface gives off a maximum of heat, with a
minimum, of supply. By means of the said tubes, a sufficient heat is obtained
without having to generate a heat in the stove which will affect the metal tubes,
and thus affording the maximum life out of the apparatus. The enormous waste
of heat in acting upon fireclay, brick and other non-conducting material, as is the
case in most existing bath heating apparati, is entirely obviated. In my said
apparatus the heat contained in the products of combustion is practically exhausted,
or entirely absorbed by the time they reach the smoke box (M), and thus the
fullest duty is obtained out of the fuel.
The fresh air required for circulating through the air space (S) is supplied
through sieve box and door (V).
The connecting tube at (A) is made smaller than the tube (C) in order to
throttle or check the draught through the tubes, and thus cause the products of
combustion to travel slowly through the said tubes, and enable the greatest possible
quantity of heat to be extracted and imparted to the air which passes over the
tubes and circulates through the hot rooms of the bath at X.
The metal tubes and fire boxes being impervious, the fumes or smoke cannot

page_text: escape as is the case with flues constructed of brick or tile, and moreover they can.
be more easily cleaned or renewed.
Having thus particularly described and ascertained the nature of my said inven--
tion, I wish it to be understood that I do not confine myself to the precise details
of construction and what I claim and desire to secure by Letters Patent is :-.
1. In apparatus for warming or heating Turkish and hot air baths, the use and
employment of a set of metal tubes and smoke boxes within the air space (S), and.
between the stove, boiler or other heat generator, and its flue or chimney (0),
and by preference coupled to the former by small bore connecting tube, as and for-
the purposes set forth and illustrated.
.
2. For warming or heating Turkish and hot air baths the employment, arrange-
ment, and combination of apparatus hereinbefore described, and illustrated on the-
drawings accompanying my Provisional Specification.
ALFRED ARBURY,
By John G. Wilson & Co.,
Agents.
ALFRED ARBURY,
By John G. Wilson & Co.,
Agents.