Improvements in or relating to Cooling or Refrigerating Chambers.
Year: 1899

page_text: Date of Application, 11th Mar., 1899
Complete Specification Left, 11th Dec., 1899-Accepted, 3rd Mar, 1900
PROVISIONAL SPECIFICATION.
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Improvements in or relating to Cooling or Refrigerating Chambers.
I, EDWARD PARRY JONES, of 42, Silverdale Avenue, Tuebrook, Liverpool, in
the County of Lancaster, Engineer, do hereby declare the nature of this invention
to be as follows:-
This invention relates to cooling or refrigerating chambers, and has for its
object certain improvements which will now be described.
In carrying my invention into effect, employ a tank containing a suitable
freezing mixture which is by preference bolted to the top of the cooling chamber
or apartment. The tank is arranged with a tube or tubes running from side to side
having open ends and running through the middle of the tank, so that they are
fully exposed to the freezing mixture inside. These tubes may be round, oval or
in fact any suitable shape in cross section so as to present the greatest amount
of cooling surface to the air. At the entrance to the tubes, I may place a fan,
preferably one driven by an electro-motor, this fan being designed to keep up a
constant circulation of air through the pipe or pipes aforesaid, the air being thus
rendered absolutely cold. By this arrangement induced currents of air are set
up throughout the chamber which passing through the pipe or pipes are brought
into intimate contact with their cold surface. The temperature of the entire
chamber is equalised and the required degree of cold obtained. An arrangement
may be provided for stopping the motion of the fan immediately the door of the
chamber is opened. This arrangement may, if desired, be automatic, so that the
opening of the door will switch off the current from the motor, thus stopping
the fan. By this arrangement therefore the fan only works when, the door is
closed. A tray may be provided for catching any water from tank, and the tank
is fitted with drain cocks.
Improvements in or relating to Cooling or Refrigerating Chambers.
I, EDWARD PARRY JONES, of 42, Silverdale Avenue, Tuebrook, Liverpool, in
the County of Lancaster, Engineer, 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:-
This invention relates to cooling or refrigerating chambers, and has for its
object certain improvements which will now be described.

page_text: The invention will be understood from the following description, reference
being had to the accompanying drawings, in which,
Figure 1 is a vertical section of my cooling or refrigerating apparatus;
Figure 2, a vertical section on a plane at right angles to Figure 1;
Figure 3, a plan.
Referring to these figures, A is the refrigerating chamber, B the tank placed
closely against the side of chamber inside, and containing a suitable freezing
mixture. This tank.is by preference supported on a shelf C. It is open at the
top, and a door or stopper A is provided in the top of A through which the tank
can be filled with refrigerating mixture. The tank is arranged with a tube or
tubes D running from side to side, having open ends, and running
through the middle of the tank B so that they are fully exposed to the
freezing mixture inside. These tubes may be round, oval or in fact any suitable
shape in cross section so as to present the greatest amount of cooling surface to
the air. These tubes are by preference arranged sloping, their object being to
provide a complete circulation of air through the tank by means of these tubes,
and keep the air at a low temperature. At the entrance to one of the tubes, I
may place a fan E preferably one driven by an electro-motor F, this fan being
designed to keep up a constant circulation of air through the pipe or pipes afore-
said, the air being thus rendered absolutely cold. By this arrangement induced
currents of air are set up through chamber B, which passing through the pipe
or pipes are brought into intimate contact with their cold surfaces: The tem-
perature of the entire chamber A is thus equalised and the desired degree of cold
obtained. An arrangement may be provided for stopping the motion of the fan
immediately the door G of the chamber is opened. This arrangement may if
desired be automatic so that the opening of the door will switch off the current
from the motor, thus stopping the fan. By this arrangement therefore the fan
only works when the door is closed. A tray H may be provided for catching any
moisture that may run off the outside of the tank. The tank is fitted with a drain
pipe I, with cock, and extending through the chamber to the outside, the pipe
being so arranged that the level of the water in the tank shall be kept at a normal
height. This pipe I has a coupling J by which the pipe can be disconnected
when it is required to remove the tank from the chamber A through the door G.
K is a drain pipe for the tray H, L hooks and M the shelves or surfaces on which
the goods to be refrigerated are placed. N a cap which can be screwed off when
required to empty the tank. The tank B is not isolated from the chamber A but
closely fits it on one side, and at the back there are two blocks P, leaving a
passage which connects the air ducts D). By this construction, therefore, the
tank is not isolated from the chamber A there being no air space completely sur-
rounding it. The fan may if desired be dispensed with but the air cooling tubes
are by preference made sloping as shown, so that the air that requires cooling
will naturally rise upwards through the tubes to take the place of the air pre-
viously cooled by the coooling effect of the freezing mixture in the tank and thus
a constant circulation of air is set up.
Having now particularly 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
1. In refrigerating apparatus, the combination with a chamber in which the
goods to be refrigerated are placed, of a tank placed within said chamber contain-
ing a freezing mixture, and air cooling tubes running right through said tank,
in such manner that their surface shall be fully exposed to the freezing mixture
therein substantially as and for the purpose described.
2. In refrigerating apparatus, a chamber in which the goods to be refrigerated
are placed, a tank placed within said chamber containing a freezing mixture, air
cooling tubes running right through said tank so that their surface shall be fully

page_text: exposed to the freezing mixture inside, in combination with a fan so arranged in
proximity to the air cooling tube or tubes that it shall set up a constant circu-
lation of air through said tubes in the freezing tank, substantially as described.
3. The general combined arrangement and construction of parts forming my
improved refrigerating apparatus, substantially as set forth.
Dated this 9th day of December 1899.