Improvements relating to Hot-water Heating Apparatus.
Year: 1892

page_text: Date of Application, 25th Jan., 1892
Complete Specification Left, 17th Oct., 1892-Accepted, 19th Nov., 1892
PROVISIONAL SPECIFICATION.
Improvements relating to Hot-water Heating Apparatus.
I, HEINRICH SCHAFFSTÄDT, of Giessen, Hessen, in the Empire of Germany,
Manufacturer, do hereby declare the nature of this invention to be as follows :-
My invention relates to hot-water heating apparatus and it consists in the
adaptation of the water-heating arrangement for shower-baths described in my
former Patent No. 8380 of 1889, in which the water, flowing in one direction, is
heated by a current of steam flowing in the opposite direction, to a system of hot
water pipes for the continuous supply of hot water for heating rooms and similar
heating purposes.
According to the present invention the water contained in an expansion reservoir
and in a system of heating tubes connected with it is brought into corresponding
communication with the counter current apparatus by means of a screw valve
placed at the upper end of the counter-current apparatus, so that if the said valve
be opened, steam will enter the heating tubes of the counter-current apparatus.
By this steam the water surrounding the tubes will be heated, and will rise in
virtue of its diminished specific gravity, fast or slowly in the counter-current
heating apparatus. Thereupon a movement of ascension ensues on the part of the
columns of water in the counter-current heating apparatus, and since the latter
communicates at its lower end with a tube connected with one end of the system of
heating tubes and the upper end of the counter-current apparatus communicates with
the other end of the system of heating tubes, there results a more or less accelerated
circulation of the water in the whole system of heating tubes, corresponding with
the supply of steam admitted, and to this circulation of water the amount of heat
given off by the heating tubes bears a corresponding proportion. Thus by corre-
spondingly regulating the position of the steam valve the quantity of steam.
allowed to pass through the counter-current heating apparatus for the constant
supply of the system of tubes, or for keeping up the temperature required is
completely under control.
The arrangement above described is applicable for heating buildings, railway
carriages etc., with hot water; high pressure steam, low-pressure steam or the
exhaust steam from steam engines can be employed for the counter-current heating
apparatus.
The counter-current apparatus may be constructed in either a vertical or a
horizontal position; and in the heating or circulating systems, as also in any hot
water supply, regulators may be employed (throttle valves) and also, if necessary,
the expansion reservoir may be replaced by a simple standpipe.
Dated the 25th day of January 1905
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements relating to Hot-water Heating Apparatus.
I, HEINRICH SCHAFFSTÄDT, of Giessen, Hessen, in the Empire of Germany,
Manufacturer, 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 hot-water heating apparatus and it consists in the adap-
tation of the water-heating arrangement for shower-baths described in my former

page_text: Patent No. 8380 of 1889, in which the water flowing in one direction, is heated
by a current of steam flowing in the opposite direction, to a system of hot water
pipes for the continuous supply of hot water for heating rooms and similar heating
purposes.
In order to enable the invention to be fully understood I will describe the same
by reference to the accompanying drawing, in which :-
Figure 1 is a sectional view of the upper part of the improved arrangement for
heating the water.
Figure 2 is a sectional view of the lower part thereof.
Figure 3 is a transverse section on line a b of Figure 1.
Figure 4 is a sectional elevation shewing the system of hot water pipes.
According to the present invention the water contained in an expansion reservoir A
and in a system of heating tubes B connected with it is brought into corresponding
communication with the counter current apparatus by means of a screw valve c
placed at the upper end of the counter-current apparatus, so that if the said
valve be opened, steam will enter the heating tubes e of the counter-current
apparatus. By this steam the water surrounding the tubes e will be heated, and
will rise, in consequence of its diminished specific gravity, fast or slowly in the
counter-current heating apparatus. Thereupon a movement of ascension ensues
on the part of the columns of water in the counter-current heating apparatus,
and since the latter communicates at its lower end with a tube b, connected
with one end of the system of heating tubes B, and the upper end o of the
counter-current apparatus communicates with the other end of the system of
heating tubes, there results a more or less accelerated circulation of the water in
the whole system of heating tubes, corresponding with the supply of steam admitted
through the tube a, and to this circulation of water the amount of heat given off
by the heating tubes bears a corresponding proportion. Thus by correspondingly
regulating the position of the steam valve the quantity of steam allowed to pass
through the counter-current heating apparatus for the constant supply of hot water
to the system of tubes B for keeping up the temperature required is completely
under control.
The arrangement above described is applicable for heating buildings, railway
carriages, etc., with hot water; high pressure steam, low pressure steam, or the
exhaust steam from steam engines can be employed for the counter-current heating
apparatus.
The counter-current apparatus may be constructed in either a vertical or a
horizontal position; and in the heating or circulating systems, as also in any hot
water supply, regulators may be employed (throttle valves) and also, if necessary,
the expansion reservoir A may be replaced by a simple standpipe.
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. The combination with a water heating arrangement such as that described in
which water flowing in one direction is heated by a current of steam flowing in
the opposite direction of a system of heating tubes the heated water escaping from
the tube o entering the heating tube system B at one end and at the other end
passing into the counter-current heating apparatns through a tube b, substantially as
and for the purpose hereinbefore described.
2. The improvements in hot water heating apparatus hereinbefore described and
illustrated in the accompanying drawing.
3000
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.