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Патент USA US2115720

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May 3, 1938.
R. E. HOLMES
‘2,115,720
AIR CONDITIONING APPARATUS
Filed Aug. 24, 1935
2 Sheets-Sheet l
‘Fla. 2.
INVENTOR
RlcHaRu E. HoLML-a.
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May 3, 1938.
R. E. HOLMES.
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2,115,720
AIR CONDITIONING APPARATUS
Fil'ed Aug. ‘24,1935
2 Sheets-Sheet 2
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Patented’ May 3, 1938
2,115,720
UNITED STATES PATENT OFFICE
2,115,720
AIR oonm'rromo. APPARATUS
Richard E. Holmes, Spring?eld, Mass.,assignor to
Westinghouse Electric & Manufacturing Com
pany, East Pittsburgh, Pa., a corporation of
Pennsylvania
Application August 24, 1935, Serial No. 37,667
8 Claims. (Cl. 312-143)
My invention relates to air conditioning appa
it is open at the back. Adjacent'walls are se
ratus, more particularly to a cabinet or casing for
cured to each other in any suitable manner, as
a unit air cooler of the suspended type, and it has by bolting a ?ange on one wall to the adjacent
for an object to provide improved apparatus.
wall.~ In the illustrated embodiment, outwardly
(a
Another object is to provide a simple and inex
extending ?anges I5‘ are formed along the rear h
pensive cabinet construction.
half of the top and bottom edges of the side walls
A further object is to provide a cabinet that , I 2 and are secured to the top and bottom ‘walls
may be readily assembled on the unit air cooler
H and i3 by bolts l1. Similarly, the front edges
after the remainder of the unit is installed, there- - of the top and side walls, It and i2, are formed
by minimizing danger of defacing the cabinet.
with outwardly extending ?anges it which are 10
Still another object of my invention is to pro
secured to the front wall ll.
, ‘
vide a cabinet comprising wall members secured
Cooling coils l9 are mountedin the inner cas
in position with minimum externally visible se
ing J0, the several tubes extending through the .
curing means.
side walls l2. - The front wall it is formed with
In accordance with my invention‘, 1- provide a a circular opening 2i, and a fan 22, driven by a 15
supporting structure for the air treating element motor 23, is disposed substantially in the opening
adapted to be installed with most of the cabinet ‘ 2| for circulating air forwardly therethrough.
removed. The cabinet comprises a bottom wall Four bolts 24 are secured‘ to the top wall II by
member having upwardly and inwardly extending means of nuts 25 and extend upwardly for‘at
,0 ?anges, a top wall member having downwardly tachment to a ceiling or other structure from
20
and inwardly extending ?anges, and a third wall
member forming the front and side walls and
adapted to have its upper and lower edges inter
locked with the inwardly extending ?ange por
25 tions of the top and bottom members in such a
way that the interlocking parts are not exter
nally visible. The upper and lower edges of the)
vertical wall member are preferably provided
with vertical projections adapted to be received
in openings in said inwardly extending ?ange
‘ which thenunit is suspended and supported. The
bottom wall i3 is extended beyond the front and
sidewalls and formed with an upwardly extend
ing ?ange 26 at each edge, thereby forming a drip
pan to collect moisture condensed from the air.
The unit air cooler is enclosed by an outer cas
ing or cabinet 21 comprising a bottom wall 28, a
top wall 29 vand a vertical wall member 3| pro
viding outer side walls 32 and a front wall 33, all
disposed in spaced relation to the respective walls
portions. The bottom wall member may be sup- ' of the inner casing. These walls may be made of
ported on the supporting structure, as by provid
ing the latter with ?anges engaging in the chan
nels formed by the ?anges on the bottom wall
member, and the other wall members may rest in
superimposed relation on the bottom wall mem
ber.
These and other objects are effected by my in
vention as will be apparent from the following
description and claims taken in connection with
the accompanying drawings, forming a part of
this application, in which:
Fig. l is an exploded perspective view of the
cabinet;
'
.
_
'
Fig. 2 is an end view, in section, of the complete
“ unit air cooler;
'
Fig.3 is a detail view, in vertical section, show
ing the interlocking relation between top wall
and the vertical wall member; and, , V
' Fig. 4 is a front sectional view.
Referring to the drawings in detail, I show a
unit air cooler having a supporting structure,
which is preferably in the form of an inner casing
Ill. The inner casing includes a top wall ll, side
walls l2, a bottom wall l3 and a front wall It, and
thinner metal than the inner casing and provided
with an exterior decorative ?nish. A rear wall 34, '
which may be considered as part of the outer cas
ing, closes the back of the unit. The rear wall/34
is bolted at the top to a ?ange 35 formed at the
rear edge of the inner top wall H, and it is se
cured by screws 36 to a wooden block 31 disposed
adjacent the rear edge of the bottom wall i3.
The rear edges of the side walls l2 and the 40
bottom wall l3 of the inner casing are spaced
from the rear wall 34 providing passages“ for
?ow of air. The inner top wall II is formed with _
an opening 39, disposed between the bolts 24, for
?ow of air. The top, side and bottom Walls of
the outer casing are formed with louvers 4| ad
jacent the rear wall 34, providing openings
through which air- enters and ?ows to the pas
sages 38 and through the opening 39.
The outer bottom wall 28 is-formed at its front
and side edges with upwardly and inwardly ex
tending-?anges 42 providing a channel form, the
inwardly extending portions being indicated at
43. Wood blocks 44, extending along the sides‘of
the unit, are secured to the inner bottom wall i3 55
2
2415,1720
and are formed with ?anges 45 projecting hori
zontally into the channel interior of the ?anges
42, thereby supportingvthe outer bottom wall 28.
The outer top wall 29 is similarly formed with
downwardly and inwardly extending ?anges 46,
the inwardly extending portions being indicated
at 41. The outerside and front walls, 32 and‘ 33,
are formed by the U-shaped, vertical wall mem
her at resting on, the ?ange portions 43, the low
er edge of the vertical wall member being formed
with horizontal ?anges 43 which rest on the
?ange portions 43; Said lower edge is also
formed with downwardly projecting lugs 49
that danger of injury or defacement of said walls
is minimized.
’
While I have shown my invention in but one
form, it will be obvious to those skilled in the art
that it is not so limited, but is susceptible of
various changes and modifications without de
parting from the spirit thereof, and I desire,
therefore, that only such limitations shall be
placed thereupon as are imposed by the prior
art or as are speci?cally set forth in the ap
pended claims.
“
10
'
I claim:
‘1. In a casing structure, the combination of
adapted to ?t in openings or recesses 5| formed a chassis or supporting structure, bolts attached
15 in the inwardly extending ?ange portions 43,. to and extending upwardly from the chassis~ 16
whereby the vertical wall member is positioned
with respect to the bottom wall member. The
outer top wall 29 is adapted to rest on the verti
cal wall member, the latter being provided with
,whereby the latter may be suspended, a top wall
having openings through which said bolts extend,
vertical walls, a bottom wall, means for detach
ably mounting said vertical walls and said bottom
inwardly extending horizontal ?anges 52 at its wall on said chassis after the latter is installed, 20
upper edge,- on which the inwardly extending , and concealed means for interlocking the upper
?ange portions 41 rest directly. The upper edge edges of the vertical walls with the top wall upon
of- the vertical wall member is also provided with downward movement of the latter.
. I
lugs 53 projecting upwardly through openings or
2. Ina casing structure, the combination of a
25 recesses 54 in the ?ange portion 41, as shown in chassis or supporting‘ structure, bolts attached to 25
detail in Figure 3.- The outer top wall 29 is also and extending upwardly from the chassis where
formed with openings 55, through which the bolts by the latter may be suspended, a top wall having
24 extend.
,
,v
openings through which said bolts extend, a bot
The outer front wall 33 is provided with a rec
tom wall, means for detachably securing said
tangular outlet opening 56 opposite the outlet bottom wall to said chassis after the latter is 80
opening 2! ‘in, the inner front wall l4. A rec
installed, vertical walls, means for positioning said
tangular collar 51 extends inwardly from the vertical walls after said chassis is installed in
edges of the openings 56 to the inner front wall, cluding concealed means for interlocking the
14; providing a discharge passage 58 between the lower edges of the vertical walls with the bottom
85, outlet openings 2| and 51, and separating such wall, and concealed means for interlocking the
passage from the remainder of the spaces be
upper edges of the vertical walls with the top
tween the inner and outer casings. Adjustable wall upon downward movement of the latter.
louvers 59 are pivotally mounted in the collar 51
3. In a casing structure, the combination of an
for directing the discharged air in the desired innei: casing; said inner casing having ?anges
direction, and also serve to conceal the fan to extending horizontally‘ from the lower edges of
an extent dependent upon their position. The two opposite sides thereof; and an outer casing
opening 56 and the collar 51 are square, so that
said collar may be installed with the louvers ex
tending either vertically or horizontally as de
sired. The collar 51 has a ?ange 6| engaging the
front wall 21.
I
-
When installing the unit air cooler, the outer
top wall 29 is ?rst placed over the inner casing,
the bolts 24 being extended through the openings
55. The inner casing, carrying the air treating
elements, such as the fan and the cooling coil,
is then suspended in the desired position by
comprising a bottom wall member, a second wall
member providing front and side walls, and a
top wall member, said bottom wall member hav
ing ?anges at three edges thereof extending up 45
wardly and then inwardly to form channels and
being adapted to be mounted on the'inner casing
by sliding the same horizontally with the ?rst
mentioned ?anges entering two opposite chan
nels of the bottom wall member,~.said top wall
member having ?anges at'the three correspond
ing edges thereof extending downwardly and then
means ‘of the bolts 24. The outer bottom vwall
28 is then positioned by sliding the same rear
\inwardly, the inwardly extending ?ange portions
wardly with the channels formed by the side
?anges 42 engaging the ?anges 45. The ver
therein, said second wall member having pro? 65
then forwardly through the coils IS, the fan 23
wardly, said top wall member having ?anges at
of the top and bottom wall members having slots
jections at its upper and lower edges registering
tical wall member is then moved downwardly .with and adapted to be inserted in said slots,
into place, the lugs 49 entering the recesses 5!, whereby said outer casing may be assembled with
The top wall 29 is then brought down onto the. out visible attaching means.
vertical wall member, the lugs: 53 entering the
4. In a casing structure, the combination of a
recesses 54. Nuts 62 maybe turned down on supporting structure; and a casing for enclosing
the bolts 24 to engage the top wall 29, whereby the. supporting structure and comprising a bot
the vertical wall member is held securely in place
tom wall member, a second wall member pro
between the outer top and bottom walls;
In theeoperation of the unit the fan draws air viding front and side walls, a top wall member, 65
inwardly through the several groups of louvers 4 I , said bottom wall member having ?anges at three“
around the rear edges of the inner casing, and edges thereof extending upwardly and then in
the three corresponding edges thereof extending
70 From the above description it will be seen that ‘ downwardly and then inwardly, and concealed 70
‘ I have provided a cabinet, the members of which means for interlocking the inwardly extending
are connected together byv interloclnng means ?ange portions of the top and bottom wall mem
and the outlet passage 58.
'
that are not visible externally. It will also be - bers with the upper and lower edges of the second
noted that most of the walls may be positioned wall member, respectively, upon relative vertical
after the supporting structure is installed, so movement of said wall members.
2,115,720
5. In a casing structure, the combination of a
'7. In a casing structure, the combination of
supporting structure having ?anges extending
a chassis, means forconnecting said chassis to
horizontally from the bottom thereof on two
opposite sides; and an outer casing comprising
.a structure for supporting the chassis therefrom,
said chassis having horizontally projecting‘
a bottom Wall member, a second wall member
?angeseat the bottom thereof, a bottom wall
providing front ‘and side walls, and a top Wall
having upwardly and inwardly extending ?ange
member, said bottom wall member having ?anges
at three edges thereof. extending upwardly and
then inwardly to form channels and being adapt
portions adapted to engage said ?anges upon
horizontal sliding movement of the bottom wall,
a U-shaped vertical wall member comprising
front and side wall portions and having down 10
10 ed to be mounted on the supporting structure
by sliding the same horizontally, the ?anges'on
the supporting structure entering two opposite
channels of the bottom wall member, said top
wall member having ?anges at the three corre
15 sponding edges thereof ext-ending downwardly
and inwardly, the inwardly extending ?ange
portions of the top and bottom wall members
being formed to receive upper and lower edge
portions of the second wall member upon relative
vertical movement of the wall members, whereby
said second wall member is supported upon» the
[bottom wall member and retained in position
between the top and bottom wall members.
6. In a casing structure, the combination of
a chassis, a bottom Wall, means for connecting
the chassis to a structure for supporting the
chassis therefrom independently of the bottom
wall, means for detachably mounting the bottom
wall on the chassis by a horizontal sliding move
30 ment, a U-shaped vertical Wall member compris
ing front and side wall portions, a top wall, and
interlocking means for positioning said vertical
wall member on said bottom wall and said top
wall on said vertical wall member, said inter
locking means being concealed when said ver
tical wall member and said top and bottom walls
are mounted.
wardly extending projections at the ~ bottom
adapted to engage the inwardly extending ?ange
portions of the bottom wall upon downward
movement of the vertical wall member, and a
top wall having downwardly and inwardly ex 15
tending ?ange portions, said vertical wall mem
ber having upwardly extending projections at
the top thereof adapted to engage with said
inwardly extending ?ange portions of the top
wall upon downward movement of the latter. \
20
8. In a casing structure, the combination of
a chassis, a sheet metal casing enclosing the
chassis and including a top wall having ?ange
portions, vertical walls, and a bottom wall hav
ing ?ange portions, means for connecting the 25
chassis to a structure for supporting the chassis
therefrom independently of the sheet metal cas
ing, means for detachably securing said bottom
wall to said chassis after the latter is installed,
means for positioning said vertical and top walls 30
after said chassis is installed including means‘
for interlocking the top and bottom edges of the
vertical walls with the ?ange portions of the
top and bottom walls, respectively, said inter-1
locking means being concealed by the walls when 35
the same are vmounted.
_
‘RICHARD
'
HOLMES.
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