IMPROVE- MENTS IN REGRIGERATORS FOR COOLING WORTS AND OTHER LIQUORS."
Year: 1859

page_text: LETTERS PATENT to Alexander McGlashan, of Coal Yard, Drury Lane,
in the County of Middlesex, Engineer, for the Invention of "IMPROVE-
MENTS IN REGRIGERATORS FOR COOLING WORTS AND OTHER LIQUORS."
PROVISIONAL SPECIFICATION left by the said Alexander McGlashan at
the Office of the Commissioners of Patents, with his Petition, on
the 26th October 1859.
I, ALEXANDER MCGLASHAN, of Coal Yard, Drury Lane, in the County of
Middlesex, Engineer, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN REFRIGERATORS FOR COOLING WORTS AND OTHER LIQUORS,"
to be as follows:-
These improvements consist, firstly, in constructing refrigerators of thin
sheets of corrugated metal, united together so as to form a series of two or
more tubular passages, connected at their ends by boxes or sockets which
connect the alternate series of parallel tubular passages, and form a continuous
passage for the flow of a current of cold water through them; or I connect a
series of two or more pipes with sockets or boxes, and insert a web or stop
between the several pipes to prevent the wort or liquor from passing between
them. These tubular passages or pipes when united in a parallel series are
placed in a cooling vat or cistern, either horizontally or vertically, as may be
most convenient. The liquor to be cooled is then conducted alternately over
and under the external surfaces of the pipes or tubular passages, while a
stream of cold water flows through them, the hot and cold liquids passing in
opposite directions.
My second improvement consists in uniting the series of pipes or tubular
passages at convenient intervals by means of sockets and union joints, so that

page_text: the several series of pipes or passages may be disconnected and taken asunder
for the purpose of cleansing or for repairs.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Alexander McGlashan in the Great Seal Patent Office on
the 19th April 1860.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ALEXANDER
M GLASHAN, of Coal Yard, Drury Lane, in the County of Middlesex, Engineer,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-sixth day of October, in the year of our Lord
One thousand eight hundred and fifty-nine, in the twenty-third year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said Alexander McGlashan, Her special licence that I, the said Alexander
McGlashan, my executors, administrators, and assigns, or such others as I,
the said Alexander McGlashan, my executors, administrators, and assigns, should
at any time agree with, and no others, from time to time and at all times
thereafter during the term therein expressed, should and lawfully might
make, use, exercise, and vend, within the United Kingdom of Great Britain
and Ireland, the Channel Islands, and Isle of Man, an Invention for "Iм-
PROVEMENTS IN REFRIGERATORS FOR COOLING WORTS AND OTHER LIQUORS," upon
the condition (amongst others) that I, the said Alexander McGlashan, my
executors or administrators, by an instrument in writing under my, or their,
or one of their hands and seals, should particularly describe and ascertain
the nature of the said Invention, and in what manner the same was to be
performed, and cause the same to be filed in the Great Seal Patent Office
within six calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that I, the said Alexander McGlashan, do hereby declare
the nature of the said Invention, and in what manner the same is to be
performed, to be particularly described and ascertained in and by the fol-
lowing statement thereof, that is to say:-
These improvements consist, firstly, in constructing refrigerators with
tubular diaphragms, composed of corrugated metal united together, so as to
form a series of two or more tubular passages connected at their ends by
sockets, which connect the alternate series of tubular passages, and form a
continuous passage for the flow of a current of cold water through them; or,.

page_text: I construct a tubular diaphragm composed of a series of two or more small
pipes connected with the sockets, and insert a fixed web or stop between the
pipes, so as to form a tubular diaphragm, and prevent the flow of wort or
liquor between them. These tubular diaphragms when united in a parallel
series are placed in a cooling vat or cistern. The wort or liquor to be cooled
is conducted alternately over and under the external surfaces of the tubular
diaphragms, while a stream of cold water flows internally through them, the
hot and cold liquids passing in opposite directions.
My second improvement consists in uniting the foregoing series of tubular
passages or diaphragms at convenient intervals by means of union joints, so
that the several series of pipes or passages composing the tubular diaphragms
may be disconnected and taken asunder for cleaning or for repairs.
And in order that the nature of my said Invention, and the manner of
performing the same may be. more fully understood, reference is had to the
annexed Drawings, in which the form and arrangement of the several parts is
clearly shown.
Figure 1, A and B are end views (or transverse sections) of tubular
diaphragms constructed of plates of corrugated metal joined together, so as to
form a series of four water passages c, c; or any other convenient number may
be used. On the upper part of the tubular diaphragm A there is fixed a
stop a, and at the lower part of the diaphragm B there is fixed a stop b, the
use of which is herein-after explained; Figure 2 is a front view of a box or
socket into which the ends of the tubular diaphragms A and B are soldered in
pairs; Figure 3 is a side view of the same; Figure 4, A', B¹, are transverse
or end sections of tubular diaphragms composed of small pipes, connected
together by webs interposed between the pipes; c, c, are the cold water
passages through the pipes; Figure 5 is a front view of the connecting box or
socket for uniting the ends of these diaphragms in pairs; Figure 6 is a plan
view of a cooling vat or cistern with a refrigerator, constructed agreeably to
my improvements; Figure 7 is an end elevation, and Figure 8, a vertical
section, on the line y, z, of Figure 6. In these Figures D, D, are a series of
tubular diaphragms, united in pairs by the connecting sockets E; F is a
supply pipe, by which the cold water enters, and then travels backward and
forward through the whole series of tubular diaphragms, passing out of the
refrigerator through the outlet G; H is an opening through which the wort
or other hot liquor enters the cooler, and impinges against the surfaces of the
diaphragms; meeting the stop a, it passes downward until it comes in contact
with the stop b, when it flows upward, and so on alternately over and under
the whole series of tubular diaphragms (as shown by the arrows), until it

page_text: arrives at the outlet I, when it leaves the cooler at a greatly diminished
temperature, its heat having been transferred to the cold water during its
passage through the refrigerator. By this novel and peculiar arrangement of
the tubular diaphragms, no other stops of any kind are required to check or
guide the flow of the wort, the diaphragms themselves most advantageously
and effectually accomplishing this object. The quantity of cooling surface
which can be thus obtained in a given space, and the cooling power exerted
by a given quantity of cold water is much greater than in any apparatus
hitherto constructed. K, K, are union joints for connecting the lengths of
the tubular diaphragms at convenient intervals for the convenience of putting
together the several parts in the first instance, as also for disconnecting them
afterwards for cleansing or for repairs. Figure 9 is an enlarged view of one
of these joints; L, L¹, are sockets, into which the ends of the tubular
diaphragms D, D, are soldered. One end of the socket L terminates in a
cylindrical orifice, on the exterior of which there is a male screw. The
corresponding end of the other socket L¹ is furnished with a revolving screw
nut m, which revolves upon the former, and makes a water-tight joint, easily
connected and disconnected.
I am well aware that refrigerators composed of two or more tiers of pipes
connected with a cold water main is old and well known, and I make no claim
to the use of pipes so arranged for that purpose. What I claim as new and
constituting my Juvention of improvements in refrigerators for cooling worts
and other liquors is,―
Firstly, the use of refrigerators composed of tubular diaphragms, constructed
and arranged as herein-before described and shown in the accompanying
Drawings.
Secondly, the mode of connecting and disconnecting the said tubular
diaphragms by means of union joints, as herein-before described and shewn.
In witness whereof, I, the said Alexander McGlashan, have hereunto set
my hand and seal, this Sixteenth day of April, in the year of our
Lord One thousand eight hundred and sixty.
Witness,
W. BADDELEY, Patent Agent,
Islington.
ALEXANDER MCGLASHAN. (L.S.)