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Патент USA US2134003

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Oct. 25; 14938.
w_ |_, MORRÍSON
A AIR COOLING AND CIRCULATING DEVICE AND PROCESS
2,134,003
Oct. 25, 193s.
2,134,003
w. L. MORRISON ’
AIR COOLING AND CIRCULATING DEVICE AND PROCESS
Filed April 18, v1935
2 Sheets-She‘et 2
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---Patterned Oer. 25,1938 _*
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2,134,003
` “UNITED vs-TATi-:s‘ PATENT oF-FICE
Ant cooLlNG ANncmoULs'rrNG nEvrcE
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ANnrnocEss
Willard L. 'Morrisom Lake Forest, Ill.
Appueatien April 1s, 1935, serial No. 17,143 -
13 claims. (Cl. isz-_129)
#This invention relates to air cooling _and cir, object
culating
to provide
device and
a new'process
and improved
and has
device
.for and
its
process of this description.
The invention has as a further object topro5 vide means for regulating the‘temperature in a
v
compartment.
Fig. 3 is a sectional view taken on line 3_3
. ofFig.
Fig. 42;is an enlarged sectional view with parts
broken away taken on line 4-4 of Fig._ 3,' illus
trating one form of cooling element;
Fig'. 5 is a view similar to Fig. 4 showing a 5
'
modified construction;
The invention has as a further object to pro'vide means for regulating the temperature in a
.
Fig. 6 is‘an enlarged fragmentary view showing
one means for adjusting the upper portion of the
’ compartment cooled by a cooling device, without
10 other apparatus other than _the compartment
^ and the cooling device.
receptacle;
Fig. 7 is a `view showing the cooling element 10
in a lowered _position with relation to the top of
the compartment; f
The invention has as a further object to pro-
vide a- compartment open at the top and cooled
Fig. 8 is a view similar to Fig. 7 showing the
by a cooling -device, and varying the temperature . cooling element raised while the wall of the com
l5 in the compartment by moving relatively the. partment remains in its up POSitiOn;
cooling device and the top portion of the com- .
partment adjacent thereto. ,
The invention has as a further object to pro-
vide a compartment open at the- top with a cool20 ing device _at Athe upperr part thereof and having
its inlet located within the boundary of the com-
Fig- 10 iS a Plan VieW ShOWing a modified form
of construction;
4
2
Fig. 11 is a side elevation of the device shown
partment for cooling air and causing the cooled
in Fig- 10;
air to displace warmer air in said compartment, and providing means for moving the cool25 ing device and the top of the compartment adjacent thereto- relatively to regulate the tem-
i
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Fig. 12 is a side elevation of the device shown
in Figs. 10 and 11 With the' Upper edge 0f the
Wall moved downwardly; '
25
Fig` 13 is a view of one of the panels forming
perature
The invention
in said has
compartment.
as a further object to pro-
theFigwall14:vofiSthe
a View
compartment;
With parts brOken_ 'away
vide the cooled compartment of thev kind de-
ShOWiIlg the Well near the coolingqdevice il?lfßv
30 scribed with means for varying the cubical con-
Dartially lowered Position;
tents of said compartment to vary the tempera- `
_
Fig. 9 is an. enlarged detailed VieW Showing
one mechanism of raising and lowering- the cool
ing element;
,
The invention has as >a further object to pro-
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,y .
f
-
Fig- 15 is an enlargedsectional view taken cn'j._ ’ ' ’
Fig- 16 is en enlarged sectional view_„tekenÍ-Onl
vide a compartment open at the top with a cool-
line IG-'IS of -Fig'._11;
35 ing device at the upper part thereof for cooling
.
` i
` ` _ ,
.
Fig- 17 iS an enlarged vSectional viewjtakeil’bll
the air and causing it to displace Warmer air-
in said .compartment and providing means for
line Il-I'l oi.' Fig.'11.„"-` ¿_
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Like numerals referto like parte _i?_lilfeugliUUU-¿f’
raising and lowering a portion or all of the upper
the Several ?gures.-
edge of said compartment to regulate the tem40 perature therein and to permit the occupant or
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_ _
.
Referring new» .t0 vthe*drawings.'_?Wllei‘eilijikf
have Shown 011e follïmißf 'Construction' emhddymg 146"
occupants to look over the edge thereof and
communicate with parties outside of said com-
the invention. there is a cpmpa'rtment l Opengat" -the toil This Compartment. mayfbef'used _aSfa’
partment
f room or for a bed or for-'any other v,suitable-_con-
'I'he invention has as a further object to pro-` struction or .for any other, `'suitable-5134119653where#
45 vide a newfand useful process for regulating the
one or mor-e people niay-Ibe received“ .Timm-ay Üb? 45
more
temperature
The particularly
invention
inthehas
pointed
compartment.
otherout
objects
in ' the
which
accomare gîanriräugteä
heat
madîout
nàsulaìmg
o? anyIäî‘tenalïl
itsunfable"maîl‘iria'l’smefemmx
¿8391; se51?@
lâadîìï
ü-.luîäatçd
»any ggg
'n' Í .
50
panymg
descnpnon'
`
e
suitable material.
Refgrnng now to the drawings’ Flg- 1 is a Side
View and elevatfon Showing One form 0f device
_embodying the Invention;
Fig. 2 is a view showing the upper part of Fig.
u 1 with the parts in a diñ‘erent position;
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In the construction shown the walls of the com
partment preferably consist of two members 2
and 3 separated by an air space 4. When -the
walls are made of flexible material there is pro
-
vided at the upper portion of the ehd walls the u
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2,134,003
2
rigid members ‘5 and 5a which extend crosswise
thereof. These rigid members may be fastened
in position in any desired manner, and a simple
manner, if the walls are made of flexible mate
rial, is to insert them in the loop of the mate
rial, as shown for example in Fig. 4. There may
be vsimilar rigid members 5c located at the sides
of the compartment.
'
Some suitable means is provided for supporting
the walls of the compartment> when it is made of
flexible material, and also for supporting the cool
ing device. As showing one means for doing this,
there are at the opposite ends the supports 6 and
1. Associated with these supports and preferably
15 on the interior thereof, are the flexible members
8 and 9 which pass over suitable directionchang
ing devices I0 and II and which are connected
to the upper part of the receptacle in any suit
able manner, as by being connected to the rigid>
20 members 5 and 5a. The other ends of the flexible
members are, connected with a resisting device,
such as a weight or spring. I have illustrated
them as being connected to the springs I2 and I3.
These springs are fastened at their lower ends I4'
25 and I5 to a ñxed part.
The cooling element I6 may be supported in
any desired manner, as by being connected to a
support I6a.
manner, as by means of 'the handle 29,. These
gears and the housing are supported lupon'su'p
ports 30 on opposite sides of the casing I8, there
being guiding members 3I on the casing which
slide along the supports 30. When it is desired
to raise the cooling element the handle 29 is
turned so as to move the casing and the support
6 upwardly, as shown for example in Fig. 8. The
Worm and Worm wheel act as a lock to hold the
parts in any position when. the handle is released. 10
When it is desired to lower the cooling element
the handle is moved'in the opposite direction,
which causes the casing I8 and the support 6 to be
lowered, as for example to the position shown in
Fig. ‘7.
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It will be seen that by means of this construc
tion the cooling element may be moved with rela
tion to the top of the compartment so asyto pro
vide any desirable relationv between them. In
stead of moving the cooling element I may move 20
the top of the compartment so as to secure the
relative adjustment between the cooling element
and the compartment. Any suitable means for
accomplishing this result may be used. In the
particular construction shown the compartment 25
is of flexible material and is supported by the
Yflexible supports 8 passing over the direction
This cooling element is herein
shown as provided with means for circulating a
changing devices IIi‘ and II. When it is desired ‘
to hold the top of the compartment in' any de
siredV position, there is removably attached to the 30
flexible member 8 a holding member 32, which
in this instance consists of a removable split ring
extending through one of the links of the flexible
I8. The supports Ilia are preferably connected ` supports. This holding member engages a stop
or part 33 fixed with relation to the direction
35 with the refrigerating apparatus and are hollow changing devices I0 and II. It may be the hood
so'that the refrigerant passing to the cooling ele
-ment I6 may pass up through’the hollow support for such direction'changing devices or any other
suitable part.
l
ISa.
when the holding member' is attached to the _
The cooling element is preferably provided with
flexible member 8 and is thenv released, the re 40
40 some means for catching the condensed moisture.
As herein shown, the cooling element is provided sisting deviceA I2 pullsionfthe ñexible member
with a liquid receiving receptacle I9 for receiving and moves the holdinggm'ember up`~ into engage
the moisture condensed by the cooling element.v ment with .thestopîSBj which prevents, further
Vand holds 'tliejt'op >oi’ - the compartment
'I'his receptacle preferably encloses the coil, but movement
in
position.
When it is desired toadjust the top
45 is open at the top 2D for the admission of the air,
of
the
compartment,
the top of thecompartment
and has a- discharge opening 2I'through which
the cooled air passes into the compartment. is moved downwardly, for example from the posi
tion shown in Fig. A7, and the holding deviceçon
'I'here is preferably a moisture receiving member »
22 upon which the Water is received from the nected withthejilexible member 8 at the desired
distance above the top of the compartment.V This
50 cooling element, the water passing therealong willthen hold thetop of _the compartment in any
and then into the bottom of the compartment, see of its adjusted p'os'itions,'one of which adjusted
Fig. 4. The member 22 prevents noise due to _the
in Fig. 1.
dropping of water into a body> of water, and also positions is ¿illustrated
the Yholding memberv 32 simply Y
directs the cooled air out through the opening 2I _ I have shown illustration, and I may provide ,
for purposes of
55 and prevents it from coming into contact with the means whereby any personïin the compartment
water in the compartment, and also tends to keep or in the bed can, by simply pulling a cord, lower
the water from freezing., .
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the top of the compartment and then‘fasten the
Some means is‘provided` for adjusting the cool
cord to hold it in its lowered positicn.` The cord
ing element and the top of the compartment rela
may be let'outvto adjust the top of the compart 60
60 tively so that the cooling element may be made ment in vany of its intermediate positions. This
into
the
compart'
. to project varying distances
cord 32a may for example, be attachedv to the
ment to regulate the temperature of such com
holding device 32 or any other suitable limiting
30 cooling material or refrigerant therethrough so as
to cool the air coming in contact therewith. Any
of the usual refrigerating apparatus may be used,
and this apparatus may be located in the casing
l partment. When the compartment, for example,
.- `is made of rigid material it may be preferable to
65` move the cooling element so that it may project
moreor less'intov the compartment. Any suitable
meansff'or thispurpose may be used, and I have
¿illustrated _one'meansvwhich consists in raising or
» lowering ,thesupport'ß so asto raise or lower the
device, and may then pass down over a direction
changing device 32b and then to any point prop 65
erly accessible to a party in the compartment.
If the compartment has a bed in it for example,
it may run to the head of the bed, and when the
top is properly adjusted the occupant may con- ,
nect the cord with the holding device 32 c. When
it is desired to adjust the other end of the com
partment, this may be done by a cord 32d which
providing a rack 23 attached to the casing I8 andv may also be fastened to the holding device 32e.
whichengages a gear 24 Aon a shaft 25, which It will thus be seen that the cooling element and
shaft has the worm gear 26 which engages a the top of the compartment may be adjusted rel
cooling element. One construction, which I have
shown for purposes of illustration, consists in
75 worm 21 on theshaft 28, operated in any suitable \
76
3"
2,134,003 `
atively by moving either the cooling element or
the top of the compartment.
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Some .means is provided for moving the upper
section 55 up andndown so as to lower or raise
the upper edge of the compartment. In the par
struction of the cooling element. In this con
ticular construction shown this member 55 is
struction there are a plurality of cooling elements -raised and lowered by means of a handle 56 on the
34 and 35. The cooling element 34 .has acasing inside of the compartment. This handle is con
36 with an air admission opening 31 into which nected by suitable gears 51 with the toothed por
the air passes, and a discharge opening 38 out of V tion 58 which is connected to a shaft 59. Con
which the cooled air passes to the- compartment.
10 'I'he cooling element l35- has an air admission nected with this shaft is an arm 60 which has a
pin 6l which works in a slot 62 in the member 63
'. opening 39 .lower down than thel air admission preferably attached ._to the bottom of the member
opening 31 through which air passes to the cool
55. It will be seen that by’ rotating the handle
In Fig. 5 there is illustrated a modiñed con
ing element, the air being discharged through the
discharge opening 40 into the compartment.
15 There is preferably a water receptacle 4| and the
inclined water engaging members 42 and 43 which
direct the water into the bottom of the water re
ceptacle. With th'e construction shown in Fig. 5
a portion of the air being cooled may be taken
20 from outside of the compartment and another
portion taken from inside the compartment, both
portions being discharged into the compartment.
It will be seen that by' changing the relative po
sition of the cooling elements and the upper part
25 of the compartment the proportion of air taken
from outside of the compartment and from inside
the compartment may be varied. When thek de
vice, for example, is in the position shown in Fig.
56 the arm 60 will be moved up and down so as
to move the member 55 up and down, the side
frame pieces 49 and 56 acting as guides therefor. 15
'I'his upper member 55 may be moved down into
the space 54 between thev side members 52 and 53.
'I'he sections 48 are fastened together in any de
sired manner. As shown for example in Fig. 16,
their edges are brought 'into proximity and are 20
preferably provided with a packing member 64
between them, and are then fastened together by
fastening devices S5, which may be bolts as in
dicated in Figs. 16 and 17.
-
At the corners I may provide an angle member 25
66 which is- fastened to the two corner sections
by suitable fastening devices 51, and there may
be a piece 63 fitting intoV the angle member and
5 all the air contacting with the cooling element ’ .fastened thereto by the fastening devices 59, see
34 comes from outside' the compartment, where
as a portion of the air contacting with cooling
element 35. comes from outside the compartment
and another portion from inside the compart
ment. By changing the relative position of the
35 upper part of the compartment and the cooling
elements it will be seen that more or less air may
be taken from outside the compartment and
Fig. 16. The several sections may be fastened to
gether so as to form' the compartment, as illus
trated in Figs. 10, 11 and 12, and this compart
ment may be of~anyl size desired and any use
desired.
,
.
I have illustrated one use of such compartment 35
wherein there is a- desk 10 and chairs 1I, as for
example when it would be used in an oiiice. It ,
from inside the --compartment for contacting with is of \course understood that it can be’used _for
cooling element 34, thereby regulating thevtem- g any purpose desired. One or more of the sections
40 perature in the compartment.
may be hinged so as to form a door 12 to permit
Some means is provided for taking the water people to readily pass into and out of the com- 40
out ofthe receptacles I9 and 4l, and this may be partment. These sections` when fastened together
accomplished by providing them with an outlet may simply rest upon the floor or other support.
44 having a controlling valve 45. This device If desired, there may be provided a suitable fas
45 would be placed in all of the water receptacles.
tening means for holding them in place, and there ‘
In Figures 10 and 17 I have shown a modiñed is shown a simple fastening means in Fig. 15,
construction wherein the wall of the compart
which consists of the member 13 which is at
ment, instead of lbeing made of _ñexible material,
is made in sections, the upper portions of the
50 sections being slidable up and down and beingM
Apreferably made of transparent material such as
glass. In this construction there is illustrated a
cooling element 46 which may be of any suitable
construction and which is supported by a suit
55 able support 41. The refrigerating apparatus for
the refrigerant usedV in the cooling device may be
located in the casing 41a. This cooling element
may be movable up and down, as shown for ex
ample in Fig. 1, or in any »other manner and it>
oo is arranged sothat it will cool air and drop it
by gravity into the compartment. In this case
tachedto the section and which may be-attached Y
to the support by suitable fastening devices 14.
These compartments, of course, can be used out 50
ofI doors if desired, in which event it would be
desirable to have some kind of a roof over them
tofkeep out the rain and sun. This roofemight
simply be a 'piece of canvas or any other ar
rangement might be used.
It will be seen that by varying the height of '
as
the top of the compartment, and when necessary
the height -of the cooling element, I can vary the
cubical contents of the compartment to regulate
the temperature, the temperature being lower asJ 00 '
the cubical contents of the compartment de
the compartment is made up of a series of sec
tions 48, which are preferably removably con- ' creases, and being higher as the,cubical contents
nected together .so that the compartment may increases. lIt will further be noted that the upper
65 be easily and quickly assembled. or removed. edge of the compartment shown in Figures 1 to 8
These sections, as herein shown, are providedl can be moveddown 'and can be held in this down
with side framemembers 49 and 50 and a bottom position by the _holding devices 32 and 32e so.
member 5|. At the bottom there are the two that when a bed is in the compartment. the bed
separated wall members 52 and 53, preferably of can be easily made up.
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heat insulating material, with .a space 54 between
I have described in detail particular construc
them. The upper part of the sections consists tions embodying the invention, but it is of course I
preferably of a transparent member 55, as for evident the constructions may be varied _in many
example of glass, although _of course 'it may not- particulars, `and some parts omitted and others
-be transparent if it is desired to have it of any added, 'without departing from the spirit of the
other material.
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inventi'on as embodied in the claims hereto ap
y4
2,134,003
pended, and- I therefore do not limit myself to
the particular construction shown.
The_use and operation of my invention are as
follows:
When the device is in use, whether it is used in
connection with a bed or an apartment or a room
in which people are received, the refrigerant is
passed through the cooling element and air is
cooled and drops by gravity down into the bot
10 ltorn portion of the compartment. When it is
desired to regulate the temperature in the com
partment, the top of the compartment and the
cooling element are moved relatively, either by
moving the cooling element or the top of the
15
compartment.
`
If the cooling element, shown for example in
Fig. 7, is moved down into the compartment, it
will be seen that air fromf'the compartment passes
into contact with the cooling element and is then
20 discharged back into the compartment. It .will
be seen that by this means the cooler air in the
compartment is recooled, and thus air in the ccm
partment may be brought to a lower temperature.
If it is desired to raise the temperaturesof the air
25 in the compartment, thetop of the compartment
and the cooling element may be adjusted rela
tively, as shown in either Figs. 1 or 8, in which
position the admission opening for the air pass
ing to the cooling `element is above` the top of
30 the compartment, thus taking all the air from
outside the compartment and cooling it and drop
ping it into the compartment.
When the device is in operation, the outside air
will be warmer than the air inside the compart
35 ment, and it will be seen lthat by taking thisv
warmer outside air and cooling it, the tempera
ture in the compartment will be raised, that is,
it will not be as low as when the airis taken from
the compartment and recooled, as shown in Fig. '7.
If it is desired to have a temperature higher
than that shown by the adjustment of the parts
in Fig. '7, and lower than that shown by the ad
justment of the parts in Fig, 8, the top of the
compartment and the cooling element may be
adjusted so that a part of the air being cooled by
the cooling element comes from outside the com
partment and a part of the air comes from inside
the compartment, thus producing a temperature
in the compartment which- will be somewhere
50 intermediate they temperature when the parts are
in the position shown in Figs, 'l or 8. It will be
seen that by this means the temperature in the
compartment may be varied and adjusted by
adjusting the relative position of the cooling ele
55 ment and the top of the compartment, for when
this adjustment is such that all of the air passing
through the cooling element is taken from the
compartment, which air is cooler than the air on
the outside, the result will be a lowering of the
60 temperature in the compartment, and when all
of the air being cooled is the warmer air taken
from outside the compartment, the temperature
in the compartment will be higher, and that any
intermediate temperature' may be secured by a
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65 proper adjustment of the parts.
In Figure 5 there is illustrated a construction
_where a greater range of temperature may be se
cured, as in addition to providing means for tak
ing all of the air outside of the compartment,
70 it gives" a longer range Where air may be taken
' both from outside the compartment and from in
side the compartment.’ When this construction is
moved completely down into the compartment,
all the air will be taken from inside the compart
75 ment. It will further be seen that when the cool
.
ing element is up above the top of the compart
ment a suiiicient height, all the air that is cooled
is taken from outside the compartment and
dropped into the compartment and displaces
warmer air, the warmer air spilling out over the
top. It will further be seen that by moving the
parts relatively so that the cooling element is
lowered with relation to the top of the compart
ment, and some of the air cooled is taken from
inside the compartment, there will be less spill
age of air over the top of the-compartment, and
this spillage over the top of the compartment will
decrease as the cooling element is moved down
into the compartment.
'
It will be seen that when the device is used for
other purposes than for a bed, the top of the
compartment may be arranged or may be moved
down and 'held in this position by the holding de
vices 32, so- that any person within the compart
ment can lookout over the top- and converse with
people on the outside and still be in a cooled
atmosphere. Such person may thus look out when
sitting down or the device may be arranged so
that he can look out only when standing up.
In the construction shown in Figs. 10 to 17 the
compartment is made of material which is not
flexible, and it is made in sections which are
removably connected together, and these sections
may be independently moved up and down by
means of the handles 56. It will be seen that this 30
gives a very easy and simple and efficient means
of moving the upper edge of the compartment for
the purpose of varying the temperature therein.
Furthermore, with this device the upper elements
of the sections may be moved clear down so as ~ Ll
to make it unnecessary to dismantle the device
when it is used in the winter time, for when these
members are moved down, people in the compart
ment can converse and do business with people
on the outside just the same as if the compart 40
ment were not there. It will further be seen that
with devices of this kind the windows in the room
may be opened in the summer time and the cool
ing effect still be secured as eiliciently as if they
45
were closed.
By means of the arrangement herein shown
the temperature of the air in the compartment
may be easily and quickly regulated and varied
without in any manner controlling or regulating
the cooling element or the refrigerating appa 50
ratus'and without the use of any regulating in
struments.
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It will be seen that there is here provided a
compartment having a spillage edge for the air,
with a cooling element in proximity to this
spillage edge which cools the air and causes it to
drop by gravity into the lower part of the com
partment and displace warmer air and cause this
warmer air to rise and spill out over the spillage
edge, with means for changing the relative posi 60
tion of the cooling element and spillage edge to
regulate the temperature in the compartment.
I
claim:
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l. An air cooling and circulating device com
prising a compartment open at the top, a cooling 65
element at the top of said compartment which
cools air and causes it to drop into the lower part
of the compartment by gravity, and» means for
changing the relative position of the top of said
compartment and said cooling element to regu 70
late the temperature in said compartment.
2. An air cooling and circulating device com
prising a compartment open at the top, a cooling
element at the top of said compartment having
an air inlet for air to be cooled, and an outlet 75
5
2,134,003
for the cooledair, whlclr outlet is located within
the,boun_daries of the compartment, and means
for changing the relative position of the top of
the compartment and the air inlet for the cooling
element so that air to be cooled may be taken
_ from outside of the compartment or from inside
' v the compartment so as to regulate the tempera
ture,inlthe compartment.
ì
element at the top of said compartment for cool
ing air and causing it to drop by gravity into said
compartment to cool it, and means formoving
the upper edge of said compartment to various
positions to vary the height of said compartment 5
-to regulate the temperature therein, and íneans
for holding said upper edge in any of its various
positions.
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3. An air cooling’and circulating device com
9. An air cooling and circulating device com
prising a compartment open -at the top and closed . prising a compartment open at the top, a cooling
at the bottom, means located at the upper part element at the top of said compartment for cool
oi' the compartment for cooling air and dropping
it Aby gravity into the compartment to displace
ing air and causing it to drop by gravity into
said compartment, said cool air displacing
warmer'air, and means for regulating the tem
warmer air and causing it to- pass o_ut of the
perature in the compartment, which consists in open top of the compartment, said compartment
moving the cooling element and the top of the having Walls made up of a series of separated 15
compartment relatively in a vertical direction.
' sections fastened together, the upper portions of
4. An air cooling and circulating device com
said sections being adjustable up and down to
Í prising a compartment open at the top, a cooling vary the height of said compartment, and meahs/
element‘at the top of said compartment which for holding the upper parts of said sections in 20
takes air from' outside the compartment and any of their adjusted positions.
cools it and drops it by gravity into the lower
10. An air cooling and circulating device com- ~
part of the compartment, the cooler air causing prising a compartment open at the top, a cooling
the warmer air in the compartment to rise and element at the upper part of said compartment
25 spill out over the top of the compartment, and
which cools'air and causes it to drop into the
means for increasing' or decreasing the spillage lower part of the compartment by gravity and 25
_15
of the air out of the compartment, which con
sists in moving the cooling element and the top
of the compartment relatively.
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5. An air cooling and circulating device com
prising a compartment open at the top to pro->
vide a spillage edge for the air, a cooling element
in proximity to said spillage edge which cools air
and causes it to drop into the lower> part of the j
displace warmer air and cause said warmer air
to rise and pass out of the open top of said com
partment, said compartment having a wall made
up of a series of sections independently movable
up‘ and down so as to vary the position oi their
upper edges with relation to said cooling device,
an operating mechanism for moving said sections
up and down.
35 compartment by gravity and displacewarmer air
11. The process of regulating the temperature
and cause said warmer ai-r to rise and spill out in an open top compartment, having a cooling
over the spillage edge, and means for changing elementsin .proximity thereto, which consist- in
the relative position' of said cooling element and -- taking a portion _of the air from outside the
spillage edge to regulate the temperature in said
. compartment.
.6. An air -cooling and circulating device com
prising ay compartment provided at the top with
a spillage edge for the air, a cooling element in
_ proximity to said spillage edge which cools the
air and causes it to drop into the lower part of
the compartment by gravity and displace warmer
compartment and a portion of the air‘from in
side the compartment and cooling such air by
the cooling element and dropping it by gravity
into the compartment, and”varying the relative
position oi.’ the booling element and the upper '
part of the compartment, so as to vary the pro
portion _oi' the air taken from outside the com
partment and from inside the compartment to
air and cause said warmer air to rise and spill ._ regulate the -temperature in the compartment.
out over the spillage edge, and means for chang
12; 'I'he process of regulating the temperature
ing lthe relative position of said cooling element
50 and the portion of the spillage edge in proximity
thereto vto regulate the temperature in said coxn- _
partment.
‘
_
'7. The process of regulating the temperature
in a compartment, which consists in cooling air
55
and dropping it by gravityg into said compart
ment, and varying the cubical contents of said
compartment to regulate the temperature in the
compartment.
-
y
.8. An air cooling andvv circulating device> com
prising acompartment open at<the top, a cooling
L:
in an open top compartment. whichconsists--in
cooling the air in the compartmentìand-var'ying,
the cubical contents or -.said'compartment»te
regulate
' 13. An the
air temperatureìinjthe‘~compartment;
cooling.'andfçirculatingïdevicejcon‘ivgff
prising a> compartnieiitl'open'ï‘atvgthe"»top._„means .j
for inserting-cooledfairgin said 'cpnipartment and '
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