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Патент USA US2133818

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Oct. 18, 1938.
‘
G. E. HULS‘E
2,133,818 '
REFRIGERAT-ING APPARATUS
Filed Sept. 9, 1935
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Patented act. 18‘, 1938 v
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UNITED STATES PATENT vorricis1;v 2,133,818 '1
REFRIGERATING APPARATUS
George E. Hulse, New Haven, Conn, assignor
of one-half to Robert 8. Blair, Stamford,
,
Conn.
Application September 9, 1933; Serial No. 688,792
_ 4 Claims.
(01. cz-rz)
This invention relates to refrigeration.
wardly for the purpose of ?lling'tit with ice, and I ~
One of the objects thereof is to provide re- > it may be noted that this apparatus is particu
e?icient action. Another object is to provide
especially‘of the s_o~called flake form, this being
5 practical apparatus of the above type in ; which
the refrigerating action is economically controlled.
Another object is to provide apparatus of the
indicated within the basket at 26.
5
Mounted at the righthand end of the basket; as 7
shown in Fig. lot the drawing, isa suctionfunnel
sive construction and which requires a minimum
10 of care in its use. Other objects will be in part
obvious and in part pointed out hereinafter.
which discharges upwardly through the‘ passage
29 into the space above the shelf l3 and at the 10
right hand of the partition v H. Although this
‘The invention accordingly consists in the features of construction, combinations of elements,
and arrangement of parts all as will be lllustra1?) tively described and the scope of the application
of which will be pointed out in the appended
claims.
_
.
In the accompanying drawing, in which is
shown one of the various possible embodiments
29 of this invention,
_
Figure l is a ‘sectional elevation of a refrigerator;
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'
Figure 2 is a front elevation on a smaller scale
with a diagrammatic showing of circuits;
.
25 Figure 3 is a sectional view of a switch or out;
out and its controlling parts.
.
Similar reference characters refer to similar
parts throughout the several ?gures of the draw30
ing.
'
blower is indicated as of the centrifugal type,
other types of blowersmay beemployed such‘ as
an ordinary suction fan, if desired.‘ The driving
shaft 130 of the blowerv 28 leads to an electric 15
motor 31 positioned ‘as shown externally ofthe ‘i
wallof the refrigerator. ,It mayhere be noted
that by this arrangement the substantial amount
of heat generated by the motoris kept outside
the refrigerating apparatus,‘ thus " greatly ,en- 20
hancing its economy and yet the bloweror air 9
driving apparatus is simply and ei?ciently driven. '
The compartments l5 and I6 are respectively
closed by separate doors 32; and 33 which swing
respectively to the left andlto thehright, as indi: 25
cated in Fig. 2 of the drawing.
The lower com- ,
partment is also providedwith a door 34 which
in this instance may be swung downwardly to ‘
open.
All of these doors are formed with suit- '
There is shown at I ii the casing of a refriger- ’ able heat insulating filling and provided with 30 '
ator of the type adapted for domestic use, this
casing being provided with heat insulation in its
suitable latches.
,
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It will be seen with the apparatus as thus. far
walls as shown at H.
‘I
, described that with the‘ doors closed and the
The interior of this casing is provided with a motor 3 in operation the air within the refriger
35 lower compartment l2 roofed by a dividing shelf ator is vigorously circulated being drawn into the 35
i3 which is provided with a port or air passage l4. blower and discharged upwardly into the space
The upper portion of the refrigerator is subdi- l6, thence passing to the left through the port ‘I8,
vided into the spaces [5 and I6 by an upright thence downwardly through the space l5 and the
partition I’! havingfan air port or passage l8 port II to the lower compartment._ At this point,
40 adjacent its upper end. Suitable vertically ad-_ the passage transversely through this'compart- 40
justable shelves l9 are mounted as shown and ment being substantially,‘ blocked by the basket
are of open work to permit the air to pass readily
23 and‘ its contents, the air is compelled to travel
therethrough, these shelves serving to support
through the ice within “this basket and .thus
the food or other material to be kept cool as
45 indicated at 20.
The casing or housing i0 is mounted uponsuit-g
able legs 2i and provided through its lower wall
with a drain passage 22.
brought intimately into contact with the large
exposed surface of the ice. The funnel member 45
21, which extends substantially to the bottom of
the basket as shown, so as to draw air through
the ice when the basket is only partially filled.
In the space or compartment l2 there is pro50 vided'a basket 23, formed of metal screening or
sucks the air into theblower and .the above cycle
is repeated. There is preferably, provided an 50 '
like material, which is preferably rigid and pro~
vided at its upper edges with ?anges 24 respec—
tively resting within the guides 25 which are
mounted upon the lower portion of the wall l3.
55 Thus this basket 23 may be slidably moved out-
imperforate partition 21a w ‘ch extends from the
top to a short distance below the bottom vof the
compartment l2 and forces all air traveling to
the blower 28 to pass under its lower edge ,as
indicated by the ‘arrow. By this partition the 55
. 8,188,818
be super?cially di?erent, it is to be understood
air. is forced through the ice even though the
basket is nearly'empty.
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that all matter herein described or shown in the
accompanying drawing is to be interpreted in
.
Positioned within the above air circuit is the
an illustrative and not in a limiting sense.
effective portion 35 of a thermostat it which, 'as
diagrammatically indicated in Fig. 2 of the draw
ings, will control the circuit between conductors
I claim:
31 and I8. This is done by a contact on the
thermostat bridging coacting contacts as indi
cated when the thermostat expands .to a limit
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1. In refrigerating apparatus, in combination,
a. ‘casing provided with a horizontal partition
having two openings therein, said partition di
‘ vidlng
said easing into an upper and a' lower
compartment, a_ partition dividing said upper
indicating an excess over the temperature desired, compartment of the casing with said openings
to be maintained within the refrigerator. This in opposite sides thereof and provided with an
is, of course, adjustable in the well-known way opening
, . substantially adjacent the top of said
and the connection of these conductors 31 and 38 casing, means within said lower compartment
will lead current ‘to the motor 3|, thus connecting comprising a basket-like member adapted to
the‘ latter across the mains indicated at 39 when support ?nely divided ice, means adapted to draw
ever suitable switches hereinafter described are air through said basket member and through said
in closed condition. One of these switches is the ' ice and circulate'the same within said casing,
hand switch 40 which is assumed to be closed said means including .a partition extending
whenever the apparatus is in use.
downwardly ‘from said horizontal ‘partition 20
¥The doors 32,13 and 34 are provided respec-;_ " whereby the lower edge of‘ said lower compart
tively with switches ll, 12 and 43, as diagram
matically indicated in Fig.2 of the drawing,_-and
ment partition is spaced from the bottom of
said casing, means mounting said basket mem
ber adapted to permit it to slide outwardly be
the construction of a‘- suitable form of these
switches is shown in detail in Fig. 3. The door,
25 shown in this ?gureas door 33, is hinged so as
to open into the position as‘ shown in dotted
yond the boundaries of said casing and expose
its upper side- for re?lling, and a motor adapted
to operate said second-mentioned means, said
motor being mounted in such mannervwith re
lines. The edge portion'of the door adjacent spect to said casing that heat generated ‘by the
plunger
44
sliding
in
‘a
suit‘
operations of the motor is not dissipated in the
the hinge contacts a
path of said air.
’
.
30 able guide 45 in the- refrigerator wall and bear
4 ing a conducting bridge contact 46 which in its
2. In refrigerating apparatus, in combination,
,
connects
the
relatively-‘insulated
a casing provided with a horizontal partition
closed position
contacts 41 and 48. Thus when all of the doors having two openings therein whereby said casing
lines in this ?gure and‘ to ‘close 'as shown in full
' are “closed and the‘ thermostat 36 expandedpthe
is divided into an'upper and a lower compart
switches H, 42 and “pas well as switch so, will
be closed and the motor _li in operation with the
vigorous circulation of the air within the, re
frigerator as hereinbefore described, it being 'un--‘
derstood that the partitions i1 and it extend
40
ment, a vertical partition secured to said horizon-'
tal partition. and extending downwardly there
from whereby the lower edge of said vertical par
tition is spaced from the bottom of said casing, '
a basket member adapted to hold ?nely divided
ice slidably mounted in‘ said lower- compartment‘
from front to backof the refrigerator. If the
motor 3| is not in action, it is important to note
between said vertical partition and one of the
side walls of said casing, said basket member
being disposed beneath one of the openings in
said horizontal partition, a fan element in said 45
lower compartment having its inlet connected to
the opening formed ‘by the lower edge of said
that even the opening of one of the upper doors
would not cause ‘a‘serious loss of cooled air for
the ice with the coldest air is positioned in the
lowermost compartmentand it is unnecessary
to open this except when the supply is to be re
plenished. This arrangement of the parts con
duces to economy in action.
vertical partition and said casing bottom and
If} however, the
having its outlet connected to the other of said _
blower 28 were in operation, the rapid circulation
horizontal partition openings whereby 'air is
drawn from said upper compartment through
of the air would within a short time cause a se
50 rious loss if one of the doors were opened.‘ Ac
- said ?rst-mentioned opening and through said
cordingly the plunger 44 is provided wth a spring
finely divided ice and is delivered into said upper
I! which tends to urge it in a direction to break
compartment’ by said last-mentioned horizontal
the connection between the contacts 41 and 48
partition opening, and means for driving said fan 55
or the corresponding‘contacts in the remaining
switches. Thus as one of the doors is opened the
circuit of the motor is instantaneously and auto
matically broken and the blower stopped. This
feature, together with positioning of the refrig
element, said means being mounted in such man
ner with respect to said.casing that heat gener
ated by the operation thereof is dissipated ex
teriorly of said compartments.
3. In refrigerating apparatus, in combination, 60
with a horizontal partition
having two openings therein whereby said casing
erating agent in a usually ‘closed ‘compartment
' a casing provided
at the bottom prevents any ‘substantial loss of
refrigerated
air.
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The use of the basket for the ?ake ice or the
like not only holds it in position for quick action
is divided into an upper and a lower compart
ment, a vertical partition secured to said hori
zontal partition and extending downwardly there 65
upon the air but permits it readily to be placed ‘ from whereby the lower edge of said vertical
65 in position by being dumped therein from any
partition is spaced from the bottom of said casing,
suitable container and holds it in position even a basket member adapted to hold ?nely divided
if the door to the cooling chamber be opened.
ice slidably mounted in said lower compartment
' It will thus be ‘seen that there is provided ap
between said vertical partition and one of the 70
paratus in which the objects of the'invention are side walls of said casing, said basket member
70 achieved and which is well suited to the condi
being disposed beneath one of the openings in
tions of hard practical use.
75
,
As various changes could be made in the above
apparatus and as the invention herein‘ described
could well be embodied in apparatus which would
said horizontal partition, a fan element in said
lower compartment having its inlet connected to
the opening formed by the lower edge of said
8,188,810
.
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vertical partition and said casing bottom'and Ya plurality of_ compartments, ‘said vertical parti
having its outlet connected‘- toithe other of said tion extending to the top of said casing and hav
horizontal partition openings whereby air is ing an, opening therein adjacent the top thereof. '
drawii'r’from said u per compartment through refrigerating means in said lower chamber, an '
said *?rst-mentioned opening and through said air circulator connected to said refrigerating
?nely dividedv ice-‘and is delivered into said upper means and adapted to force cooled air therefrom
compartment by said last-mentioned horizontal through one of the openings in said horizontal‘
partition opening, means for driving said fan ele
ment, said means being mounted in such manner
partition, whereby cooled air is forced into one
of said uppel,‘ compartments, through the opening
i0 with respect to said casing that heatgenerated
in the top of‘ said vertical partition, through
by the operation thereof is dissipated exteriorly , another of said upper compartments and through 10.
of said compartments, closure members for said the [other opening in said horizontal compart
compartments, and means adapted to halt the ‘ ment, into said lower chamber, a motor for driv
operation of said fan driving means upon said ing, said air circulator', said motor being mounted
x
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15 closures being opened. >
onthe outside of said casing, closure means for
4. In refrigerating apparatus, in combination, said upper compartments, ‘and means associated
a casing, a horizontal partition dividing said with said casing and operative upon said closure ‘
casing into an upper and a lower chamberthere "means being opened to halt the operation of said
imsaid partition having openings therein at each ‘ motor to prevent cool air being forced out of said
20 lateral end thereof, a vertical partition between
said openings‘ dividing said upper chamber into
compartments.
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GEORGE E. HULBE.
20
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