IMPROVED HEATING APPARATUS, SPECIALLY APPLICABLE FOR HEATING WATER
Year: 1878

page_text: LETTERS PATENT to Samuel Mart, of Sutton Lodge, Sutton-at-Hone, in the
County of Kent, and of Three Crowns Square, Borough, in the County of
Surrey, and Charles Wallace Bradley, of Circus Place, Finsbury, in the
County of Middlesex, for the Invention of "IMPROVED HEATING APPARATUS,
SPECIALLY APPLICABLE FOR HEATING WATER,"
PROVISIONAL SPECIFICATION left by the said Samuel Mart and Charles
Wallace Bradley at the Office of the Commissioners of Patents on the 22nd
June 1878.
SAMUEL MART, of Sutton Lodge, Sutton-at-Hone, in the County of Kent, and of
Three Crowns Square, Borough, in the County of Surrey, and CHARLES WALLACE
BRADLEY, of Circus Place, Finsbury, in the County of Middlesex. "IMPROVED
HEATING APPARATUS, SPECIALLY APPLICABLE FOR HEATING WATER,"
Our Invention consists of improvements in apparatus for heating purposes, and
consists mainly as follows:-
In carrying out our Invention we use a vessel made of metal or other suitable
material, having a number of tubes running through it. These tubes, which may
be round, square, or polygonal, and either straight or tapered, are placed in the
vessel as close together as may be, in order to present the largest amount of heating
surface to the quantity of water passing through. The water issuing into the
apparatus at the lower part, passing upwards, and circulating round the tubes is
heated as hereafter described.
The vessel and tubes are placed over a gas burner or burners, the heated products
of combustion passing upwards through the series of tubes, and then striking
against the under side of a thin chamber, connected with lower vessel with the said
tubes, and what heat may have escaped is thus utilized.
Outside of the above arrangements we place a casing of metal or other suitable
material, which is, or if requisite, may be encased in a non-conducting substance,
and conveys the remaining heated products down outside the vessel, same passing
away through holes at the bottom, or same can be collected and led off by a pipe.
[Price 6d.1

page_text: This casing is carried up above the thin chamber above described, and serves, say,
in case of a bath rooom, as a towel warmer, or for other purposes.
In consequence of the necessarily small diameter of the tubes, they are, or may
be liable to become stopped by condensed water forming in drops and filling the
openings. This is obviated by suitable means, such as clongating one side of each
tube and bringing the same to a point, from which the water drops off as it collects.
Modifications of the above-described arrangements may, it is evident, be used,
such, for instance, as arranging the chamber, in which we place a series of trays
having short tubes inserted in same, the said trays being perforated.
The water, as conveyed into the apparatus, falls on to the trays and percolates
through the perforations, same being heated by the products from the gas burner or
burners, said products passing up through the short tubes before described.
The water, as heated, falls in some cases on to a cone over the burner, and passes
away by pipe or other incans, and instead of gas burners other suitable burners or
heaters might be substituted.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Samuel Mart and Charles Wallace Bradley in the Great Seal Patent
Office on the 21st December 1878.
"
SAMUEL MART, of Sutton Lodge, Sutton-at-Hone, in the County of Kent, and of
Three Crowns Square, Borough, in the County of Surrey, and CHARLES WALLACE
'IMPROVED
BRADLEY, of Circus Place, Finsbury, in the County of Middlesex.
HEATING APPARATUS, SPECIALLY APPLICABLE FOR HEATING WATER."
In carrying out our said Invention we use a vessel made of metal or other
suitable material, having a number of tubes running through it. These tubes,
which may be round, square, or polygonal, and either straight or tapered, are placed
in the vessel as close together as may be, in order to present the largest amount of
beating surface to the quantity of water passing through. The water, issuing into
apparatus at the lower part, passes upwards and circulates round and outside of
the tubes, and is heated as hereafter described.
The vessel and tubes are placed over a gas burner or burners, the heated products
of combustion passing upwards through the series of tubes, and then striking
against the under side of a thin chamber connected also with lower vessel containing
the said tubes, so that what heat may have escaped is thus utilized.
Outside of the above arrangements we place a casing of metal or other suitable
material, which is (or, if requisite, may be) encased in a non-conducting substance,
conveying the remaining heated products down outside the vessel, same passing away
through holes at the bottom, though same can be collected and led off by a pipe.
This casing is carried up above the thin chamber above described, and serves, say,
in case of a bath room, as a towel warmer, or for other purposes.
.
In consequence of the necessarily small diameter of the tubes, they are, or may
be liable to become stopped by condensed water forming in drops and filling the
openings. This is obviated by suitable means, such as elongating one side of each
tube and bringing the same to a point, from which the water drops off as it collects.

page_text: Modifications of the above-described arrangements may, as is evident, be used,
such, for instance, as properly arranging the chamber, in which we place a series
of trays having short tubes inserted in same, the said trays being perforated.
The water, as conveyed into the apparatus, falls on to the trays and percolates
through the perforations, same being heated by the products from the gas burner or
burners, said products passing up through the short tubes before described.
The water, as heated, falls in some cases on to a cono over the burner, and passos
away by pipe or other means, and instead of gas burners other suitable burners or
heaters might be substituted.
Having thus far described the nature of the said Invention, and incidentally
intimated in what manner the same is to be performed or carried out in practice,
we will now proceed (aided by the accompanying Drawings) to further and
particularly describe and ascertain in what manner the same is to be performed or
carried out in practice that is to say !—
Fig. 1 is sectional elevation of our improved apparatus.
Fig. 2 is cross section on line A, B, Fig. 1, shewing the plan of the tubes.
Figs. 3 and 4 are side and front views of the continuation of the tubes to a point.
In these Figures, A is the vessel; B, the tubes running through said vessel A
(said tubes being more clearly shown in Fig. 2; C, inlet for water; D, gas burner
or burners; E, thin chamber; F, casing; G, holes or openings in casing F; H,
warming chamber; J, elongation of tubes B, so as to allow the water to drop off
as it collects; K, outlet for water as heated; L, connections.
The action is as follows:-The water is caused to enter into the apparatus, under
pressure, through inlet C. The heat from the gas burners D strikes against the
under part of vessel A, thence up through the tubes B, heating in its passage the
water as it ascends outside the tubes B. The heated products strike against the
under portion of thin chamber E, and pass down inside the casing F, and thence
out by openings G. In the meantime, the water, as heated, passes by the con-
nections L into the chamber E, and, as heated, passes away by outlet K.
Fig. 5, sectional elevation showing apparatus with tubes arranged tapered.
Fig. 6 is cross section of Fig. 5 on line C, D.
Having now particularly described and ascertained the nature and object of the
said Invention, and in what manner the same is to be performed or carried out in
practice, we hereby declare that we claim the Invention of "Improved Heating
Apparatus, Specially Applicable for Heating Water," substantially as herein-before
set forth and described, and illustrated by the accompanying Drawings, wherein
an important and peculiar feature is the prolongation of the tubes B to a point, so
that the drops of water may, as same are formed, drop off.
In witness whereof, we, the said Samuel Mart and Charles Wallace Bradley,
have hereunto set our hand and seals, this Twentieth day of December,
in the year of our Lord One thousand eight hundred and seventy-eight.
5 Witness,
T. MORGAN,
Secretary,
SAM MART.
(L.S.)
CHA³. W. BRADLEY. (L.S.)
Inventors' Patent-right Ass", LA,
21, Cockspur Street, Charing Cross, S.W.

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