Improvements in and relating to Steam-boilers.
Year: 1895

page_text: Date of Application, 4th Nov., 1895-Accepted, 7th Dec., 1895
COMPLETE SPECIFICATION.
Improvements in and relating to Steam-boilers.
I, MAX OSCHATZ, of Meerane in the Kingdom of Saxony, in the German
Empire, Manufacturer do hereby declare the nature of my said invention, and in
what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement :-
This invention refers to steam-boilers having, or consisting of, two or more
ylindrical boilers, and my improvements in steam-boilers of said sort relato to the
combination of a pair of said cylindrical boilers with an intermediate boiler having
a configuration similar to that of a parallelopipedon, and having walls that are
either undulated, or bellied, or provided with buckles. The purpose of my
improvements is to produce a steam-boiler, that combines small size with a large
heating-surface, and that in spite of its small size is able to receive a great quantity
of water.
In order to make my invention more clear, I refer to the accompanying drawing,
in which similar letters refer to similar parts throughout the different views, and in
which:
Figure 1 is a vertical cross-section through my improved steam-boiler, taken on
line 4-5 of Figure 2;
Figure 2 is a vertical longitudinal section taken on line 6-7 of Figure 1, and
Figure 3 shows as example some sections through rolled sheet-metal as may be
used for the intermediate boiler mentioned in the preamble.
Referring to Figure 2, A and B are two cylindrical boilers arranged one (A)
vertically above the other (B), and connected by the intermediate boiler C. The
latter has practically the shape of a parallelopipedon, and consists of the undulated
side-walls c c2 (Figure 1) and of the flat frontal walls c3 c4 (Figure 2). The
top of the boiler C is formed by the bottom of the boiler A, whereas the bottom of
the boiler C is formed by the top of the boiler B. Said top and bottom of the
boiler C, or bottom and top of the boilers A and B respectively, are provided with
apertures a and b affording the proper intercommunication of the said three boilers.
The boilers B and C are, as a matter of course, constantly kept perfectly filled
with water, whereas the boiler A is not so much a boiler proper, than a reservoir
for the steam, or a steam-collector respectively.
The side-walls c c 2 need not indispensably be arranged so as to have their
undulations run parallel to the cylindrical boilers A and B, as shown in Figure 2
and in the right-hand half of Figure 1, but they may be arranged so, that said
undulations run rectangularly to said boilers A and B, as represented in the left-
hand half of Figure 1. There are in either case employed a number of suitable
stays, for instance such as designated in Figure 1 by d, d¹ and 2. Further, the
undulations, or elevations and depressions respectively, of the walls c c 2 need by no
means represent in section a true undulatory line, but the configuration of said'
walls may be such a one, that the line of section proper is, for instance, a zig-zag
line; some examples of similar sections are represented in Figure 3. The
elevations and depressions, or cavities respectively, may however, be formed also
by buckles, or the walls may be formed by, or composed of, buckle-plates
respectively. In any case the walls of the boiler C need not be practically
straight, but may, if desired, be bellied.
I wish it to be understood, that I do not confine myself to combining the
parallelopipedon-like boiler C with exactly such boilers as shown (A and B), but

page_text: said boilers A and B may be replaced by another or other suitable type or types;
and, furthermore, the said boilers A and B need not indispensably be horizontal,
but may, if desired, be vertical ones.
The front-plates c3 c4 are, as a matter of course shaped so as to correspond to
the configuration of the side walls c¹ c 2.
My improved steam-boiler, as afore described, does not only combine small size
with a great water-room, as well as with a large heating-surface, but may also
easily be cleaned, and non-purified water may also be employed with such a boiler.
The whole arrangement is simple and inexpensive, and the steam-boiler affords a
great security against explosion.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. A steam-boiler consisting of three parts, the middle part resembling in its
shape a parallelopipedon, or similar body, and having its walls formed of undulated
or fashioned sheet metal, or of buckle-plates, substantially as described.
2. A steam-boiler consisting of two cylindrical. parts, and of a practically flat
middle part; the latter resembling in its shape a parallelopipedon or similar body,
and having its walls formed of undulated or fashioned sheet-metal, or of buckle-
plates, substantially as described.
3. A steam boiler consisting of two horizontal cylindrical parts arranged one
above the other, and of a middle part connecting said two former parts;; said
middle part being practically flat, and resembling in its shape a parallelopipedon or
similar body, and having its walls formed, of undulated or fashioned sheet-metal.or
of buckle-plates, substantially as described.
2005
:
:
.MAX OSCHATZ,
By Geo. Thos. Hyde,
No. 1, Broad Street Buildings, Liverpool Street, E.C.,
Agent for the Applicant.