Year: 1896

page_text: I, JOHANNES HEINRICH KÖHLER of Santos, Brazil, do hereby declare the
nature of this invention to be as follows:-
The drawing annexed represents a longitudinal and a cross-section of the
improvement in a cooling apparatus. The apparatus is set up in a closed room
through which, by means of a ventilator, a strong current of air is driven past
the tubes.
Looking at the longitudinal section, you see at the top near a the entrance of the
water into the tubes. The water now flows downwards spirally until it flows out
near b. At this outlet 6 the tube branches off. One branch B B goes upwards
and allows the water to rise till to the topmost B, where the tube is closed.
Tube B B shows at all points where it meets the spiral tubes, small apertures b
from which the water drops on the linen or other casing of the spiral tubes. The
number of the apertures 6 depends on the size of the apparatus.
Supposing the tubes to have been empty and now getting filled with water, the
process will be as follows: The water enters at a, runs downwards through the
spiral tubes and by the pressure is partly driven upwards through tube B B, some
of it dropping on the casing of the spiral tube through the apertures b'. The casing
gets wet, the passing current of air, through evaporation, produces frigidity and
cools the water in the spiral tube. This water flows on and then partly rises in
tube B B, some of it dropping through the apertures 6'. The water now dropping
out of these is considerably cooler already than the water that had dropped
through before; it will thus, in evaporating, produce a higher degree of cold and
will therefore cool the water in the spiral tube more than did the water dropping
out before.
In this manner the water contained in the spiral tube gets more and more cooled
through water already cooled. The dotted lines A mark the tubes themselves,
the unbroken lines A the casing made of linen or other material easily absorbing
the water.
That part of the water which does not rise in tube B B, is led on through tube bb
and serves to wet the casing of other tubes containing the real substance to be
cooled.
Having now described and ascertained the nature of my said invention and in
what manner the same is to be performed, I declare that what I claim is :
A serpentine for cooling water, enveloped in a casing of linen or other material
easily absorbing the water, characterized by a tube which passes through the coils
of the serpentine vertically or slantingly from the end opposite, the inlet of the
water, receiving part of the water already cooled and allowing it, through its
apertures, to drop on the coils so as to cool them to a still higher degree.
Dated. at Santos. 18th day of January 1896.

page_text: I, JOHANNES H. KÖHLER, Rua do Rosario 42, Santos, Brazil 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 :-
The drawing left with the Provisional Specification represents a longitudinal
and a cross section of the improvement in a cooling-apparatus. The apparatus is
set up in a closed room through which, by means of a ventilator, a strong current
of air is driven past the tubes.
Looking at the longitudinal section, you see at the top near a the entrance of the
water into the tubes. The water now flows downwards spirally until it flows out
near b. At this outlet 6 the tube branches off.
One branch B B goes upwards and allows the water to rise till to the topmost B,
where the tube is closed."'
Tube B B shows at all points where it meets the spiral tubes, small apertures 6'
from which the water drops on the linen or other casing of the spiral tubes. The
number of the apertures & depends on the size of the apparatus.
Supposing the tubes to have been empty and now getting filled with water, the
process will be as follows: The water enters at a, runs downwards through the
spiral tubes and by the pressure is partly driven upwards through tube B B, some
of it dropping on the casing of the spiral tube through the apertures 61. The casing
gets wet, the passing current of air, through evaporation, produces frigidity and
cools the water in the spiral tube.
This water flows on and then partly rises in tube B B, some of it dropping
through the apertures b'. The water now dropping out of these, is considerably
cooler already than the water that had dropped through before; it will thus,
in evaporating, produce a higher degree of cold and will therefore cool the water in
the spiral tube more than did the water dropping out before.
In this manner the water contained in the spiral tube gets more and more cooled
through water already cooled.
The dotted lines A mark the tubes themselves, the unbroken lines A' the casing
made of linen or other material easily absorbing the water.
That part of the water which does not rise in tube B B is led on through tube b b
and serves to wet the casing of other tubes containing the real substance to
be cooled.
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:
"An improved means for cooling water, consisting in a serpentine, envelopped in
a casing of linen or other material easily absorbing the water, characterized by a
tube which passes through the coils of the serpentine vertically or slantingly from
the end opposite the inlet of the water, receiving part of the water already cooled
and allowing it, through its apertures, to drip on the coils so as to cool them to a
still higher degree."
Dated this 8th day of January 1807
Per JOHANNES H. KÖHLER,
Eduard Bachmann,
Berlin, N.W., Altonaerstrasse 35.