IN APPARATUS FOR COOLING BREWERS' WORTS AND OTHER LIQUIDS."
Year: 1880

page_text: $1
LETTERS PATENT to Hugo Heinrich Wilhelm Jaeckel-Handwerck of Grimma,
IMPROVEMENTS
near Leipzig, in the German Empire, for an Invention of
IN APPARATUS FOR COOLING BREWERS' WORTS AND OTHER LIQUIDS."
PROVISIONAL SPECIFICATION left by the said Hugo Heinrich Wilhelm
Jaeckel-Handwerck at the Office of the Commissioners of Patents on the
10th November 1880.
HUGO HEINRICH WILHELM JAECKEL-HANDWERCK, of Grimma, near Leipzig, in
the German Empire.
"IMPROVEMENTS IN APPARATUS FOR COOLING BREWERS'
WORTS AND OTHER LIQUIDS."
This Invention has for its object to effect the rapid cooling of brewers' worts or
other liquids by the action of air currents, and by contact with surfaces cooled by
the circulation of cold water.
For this purpose a building or tower of some height, and standing perfectly free,
contains within it several open floors, situated one above the other, on each of
which is placed a shallow cooling tank, into which the wort or other liquid to
be cooled is introduced through a pipe. The sides of the building at each floor are
enclosed by louvre blades that can be more or less opened to allow of a regulated
admission of the external atmosphere. The tanks are supported on the floors by
bearers or girders so as to leave their undersides exposed as much as possible, and
they are provided with double bottoms, through the space between which cold
water is made to circulate. A vertical shaft passes centrally through all the tanks,
which are provided with bosses fixed or formed on the inner bottom, and extending
to above the liquid in the tank, serving as bearings for the shaft to pass through
without coming in contact with the liquid. On this shaft are fixed immediately
above each tank a series of vancs, consisting, by preference, of vertical thin sheet
metal blades, attached at their edges to strengthening frames carried by arms
radiating from a boss on the shaft. Rapid rotary motion being imparted to the
shaft at bottom from any convenient source of power, the resulting rapid rotary
motion of the vanes immediately above the tanks will produce a rapid circulation
of air over the surface of the wort or other liquid, which by means hereof and of

page_text: the cold water circulating through the double bottom will become rapidly cooled,
and may then be run off through a discharge pipe to make way for a fresh supply
of hot liquid. The rapid motiou of the vanes will also have the effect of preventing
the deposit into the liquid of germs floating in the air, which germs might otherwise
have an injurious effect upon the liquid.
The top or roof of the tower or building is provided with one or more ventilating
shafts for carrying off the warm air and vapour that rise from the tanks on the
Beveral Boors. Access is gained to each floor by a flight of steps or a ladder, and
each tank is provided with a water supply pipe for cleansing out the tank when
required.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Hugo Heinrich Wilhelm Jaeckel-Handwerck in the Great Seal
Patent Office on the 9th May 1881.
HUGO HEINRICH WILHELM JAECKEL-HANDWERCK, of Grimma, near Leipzig, in
the German Empire. "IMPROVEMENTS IN APPARATUS FOR COOLING BREWERS'
WORTS AND OTHER LIQUIDS."
This Invention has for its object to effect the rapid cooling of brewers' worts or
other liquids by the action of air currents, and by contact with surfaces cooled by
the circulation of cold water.
For this purpose a building or tower of some height, and standing perfectly free,
contains within it several open floors, situated one above the other, on each of
which is placed a shallow cooling tank, into which the wort or other liquid to bo
cooled is introduced through a pipe. The sides of the building at each floor are
enclosed by louvre blades that can be more or less opened to allow of a regulated.
admission of the external atmosphere. The tanks are supported on the floors by
bearers or girders so as to leave their undersides exposed as much as possible, and
they are provided with double bottoms, through the space between which cold
water is made to circulate. A vertical shaft passes centrally through all tho
tanks, which are provided with bosses fixed or formed on the inner bottom, and
extending to above the liquid in the tank, serving as bearings for the shaft to pass
through without coming in contact with the liquid. On this shaft are fixed
immediately above each tank a series of vanes, consisting, by preference, of vertical
thin sheet metal blades, attached at their edges to strengthening frames, carried by
arms radiating from a boss on-the shaft. Rapid rotary motion being imparted to
the shaft at bottom from any convenient source of power, the resulting rapid rotary
motion of the vanes immediately above the tanks will produce a rapid circulation
of air over the surface of the wort or other liquid, which by means hereof and
of the cold water circulating through the double bottom will become rapidly
cooled, and may then be run off through a discharge pipe to make way for a fresh
supply of hot liquid. The rapid motion of the vanes will also have the effect of
preventing the deposit into the liquid of germs floating in the air, which germs
might otherwise have an injurious effect upon the liquid.
The top or roof of the tower or building is provided with one or moro ventilating
shafts for carrying off the warm air and vapour that rise from the tanks on the
several floors. Access is is gained to each floor by a flight of steps or a ladder, and
cach tank is provided with a water supply pipe for cleansing out the tank when
required.
DESCRIPTION OF THE DRAWING.
Fig. 1 of the accompanying Drawing shows an elevation of the before described
building or tower for cooling liquids: Fig. 2 shows a vertical section on line X X

page_text: tanks and runs with its upper end in a bearing q¹ fixed to the roof beam. Bencath
this bearing is provided a cup or tray for catching any lubricating material that
may drop from it, so as to prevent such material from falling into the liquid in the
tank. The tanks have also central bosses rising above the tops thereof through
which the shaft passes without coming in contact with the liquid. To the shaft o
are fixed immediately above each tank sets of ventilating blades or vanes r, r, con-
sisting of light metal frames of bar or other iron fixed by arms to bosses on the
shaft and filled in with light sheet metal. Rapid rotary motion being imparted to
the shaft o by bevil gearing 8, 8, from a shaft o¹ driven from any convenient motor,
the vanes raro made to revolve very rapidly over the surface of the liquid in the
tanks. Stairs lead from one floor to the other, and access is gained to the bearing q
by a ladder. The hot worts or other liquid to be acted upon is introduced into the
tanks by a system of pipes u, into which the liquid is forced by a centrifugal or
other pump at t, cocks being provided at each branch at + for cutting off or
admitting the supply to each particular tank. The water for cleaning out the
tanks is also admitted through the same system of pipes, and both the worts and
the cleansing water are also made to flow off through one and the same set of
pipes at v, on which is provided at Fa two way cock so arranged that by turning
it into one position when the worts are being run off these are made to flow through
the branch pipe x to the fermenting chamber, while when the cleansing water is
run off the cock is turned so as to cause this to flow through a second branch pipe w
into a drum.
By means of the above described action of the revolving fans or blades in com-
bination with the water circulation in the double bottom of the tanks, and by the
arrangement of the building standing perfectly free, the cooling of the liquid will
be effected without the use of ice moro rapidly than was possible heretofore, and it
is possible by this means to reduce the temperature even several degrees below that
of the external atmosphere.
Although I have shown the building of rectangular form, yet it will be evident
that it, as also the cooling tanks, may also be of a circular or any other desired
form.
Having thus described the nature of my Invention, and in what manner the same
is to be performed, I claim,-
First. The construction of apparatus for rapidly cooling liquids, wherein such
liquids are supplied to a series of cooling tanks situated one above the other in a
tower or free structure, such tanks being provided with doublo bottoms or worms
for cold water circulation, and with horizontally revolving ventilating fans or vanes
fixed on a vertical shaft common to all of them, so that they are all driven by one
and the same motor engine, substantially as herein described.
Second. In combination with cooling apparatus, such as is referred to in the
preceding claim, the use of revolving vanes or blades for effecting the rapid circula-
tion of air over the cooling tanks, such vancs or blades consisting of a frame of
bar, angle, or other iron, to which is attached a thin sheet metal filling, substantially
as herein described.
Third. The combined arrangement of apparatus for rapidly cooling liquids herein
described and shewn on the accompanying Drawing.
In witness whereof, I, the said Hugo Heinrich Wilhelm Jaeckel-Handwerck,
have hereunto set my hand and seal, this Sixth day of May, in the year of
our Lord One thousand eight hundred and eighty one.