Improvements in Apparatus for Cooling Beer.
Year: 1895

page_text: Date of Application, 26th Nov., 1895-Accepted, 18th Jan., 1896
COMPLETE SPECIFICATION.
Improvements in Apparatus for Cooling Beer.
A communication to me from A. LANDBECK, of Schäftersheim, near Weikersheim,
Würtemburg, in the Empire of Germany, Brewer.
I, EDMUND EDWARDS, of the Firm of Edwards and Co., Patent Agents and
Engineers, of 65 and 66, Chancery Lane, in the County of Middlesex, 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, and accompanying drawing, that is to say :-
The present invention consists substantially of a vertical cylindrical cooling
vessel, round which is arranged helically an open cooling canal, the bottom of
which is kept cooled by cold water.
In the accompanying drawing, which is in illustration of the invention,
Figure 1 shews the cooling apparatus A in vertical longitudinal section, Figure 2
in horizontal section, and Figure 3 in side view.
Figure 4 shews in cross section on a larger scale, the cooling canal which winds
helically round the cooling vessel.
The surface a of the canal, over which the beer flows, may be made waved or
undulating in shape in order to afford greater cooling surface, and it may be made
of greater or less width as may be desired.
The plates a, a' which form the double bottom of the canal are so arranged that
sufficient room is left between them for the proper cleaning of the apparatus inside
and outside, with brushes.
The top of the cooling apparatus is provided with a transverse bar B, and the
vessel is filled with spring water previously cooled, and at its upper part the
inner side of the cooling canal is kept separate from the inside of the vessel.
This separation is effected by the lining cylinder C fitted on the inner side of the
cooling vessel A. The water for cooling is admitted through the pipe and valve c,
and discharged through the pipe, after passing up through the helical double bottom
of the canal.
This water may afterwards be used in the brewery for cleaning purposes.
The lower part of the cooling apparatus is filled with ice and water, which are
kept stirred by stirring apparatus, consisting of the suitably shaped blades e
which are carried by a vertical shaft turning in bearings in the cross beam B above,
and in the bottom of the vessel, and made to revolve by hand as shewn, or other
suitable means.
The beer is admitted to the cooling canal a by the regulating valve 9, and is
cooled and ultimately delivered into the annular basin h where it is passed to the
fermenting vats.
If the cooling with spring water is not sufficient, then the hollow space under
the cooling caual, may remain in communication with the interior of the cooling
vessel through its entire length. The apparatus then works as an ice-cooler,
being completely filled with water and ice. For this purpose little alteration in
the construction of the apparatus is required. Figure 5 shews a section through
such an apparatus.
The advantages of the improved cooling apparatus are that the beer travels
through a long distance in proportion to the size of the apparatus. For instance,
if the diameter of the apparatus is one and a half metres, the beer travels over

page_text: about eighty metres. This is at least ten times as much as in all the heretofore
used contrivances of the kind.
The wort can therefore be very quickly cooled to the temperature required for
fermentation, whilst the air has sufficient access to it, and the formation of froth is
prevented.
A greater advantage is, that there is not the slightest loss of beer, as in the
apparatus ordinarily heretofore used, in which it is constantly spilled.
A still greater advantage is that the apparatus can be easily cleaned.
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 beer cooling apparatus, consisting of a cylindrical vessel A provided
with agitators e, and filled with cooling material, a canal a along which the wort
to be cooled passes being arranged helically round the vessel, this canal being
provided with a double botton, containing the cooling liquid, substantially as
described and illustrated.
2. In beer cooling apparatus of the kind described in Claim 1, the method of
construction by which the double bottom of the canal a, is separated from the
inside of vessel A, at the upper part of the latter, by a separating plate C, so that
cold water can be passed through the helical channel formed by the double bottom,
substantially as described and illustrated in Figure 1.
Dated this 26th day of November 1895.
EDWARDS & Co.,
65 and 66, Chancery Lane, London, Agents for the Applicant..