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Патент USA US2408156

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Sept. 24, 1946.
A. J. STONE
2,403,154
“QUICK. FREEZING APPARATUS rjon FOOD ARTICLES
v Filed Feb. 21, 1945 ‘
3 Sheets-Sheet 1
INVENTOR
Sept. 24, 1946.
A. J. SVTONE
-' _
2,408,154
QUICK FREEZING APPARATUS FOR FOOD ARTICLES
Filed Feb. 21, 1945'
3 Sheets-Sheet 2
72/
my
INVENTOR
Sept. 24,1946.
» A} J.__-S'l"ON,E
2,408,154‘
QUICK FREEZING APPARATUS FOR FOOD ARTICLES
Filed Feb. v21, 1945
LEE
.2"
P
‘
3 Sheets-Sheet 3
INVENTOR
2,408,154
Patented Sept. 24, .1946
‘ UNITED STATES- liATEN I
, oFFicE-Z -
. 2,408,154 ~
QUICK-FREEZING APPARATUS FOR
'
FOOD ARTICLES
Andrew J. Stone, New‘ York, N. Y.
'_ yAlpplicationFebruary 21, 1945, Serial No. 578,969
12 Claims. (012625-114)
1.
tical angle bars l2, I2,‘parallel to the angle bars
I3, ‘[3, as clearly shown inFigures 4 and 5.
Passing through openings I301. and Mc, respec
This invention relates to refrigeration and has
reference particularly to what is generally known
as quick freezing, and the object of the invention '
is to provide an improved apparatus of Very sim
ple and compact construction and very effective
Y tively" in the horizontal members of the angle
bars l3 and the ?anges 1417, are vertical rods [6,
l6, one at eachgcorner, these, rods being vertically
and e?icient operation.
My invention is illustrated in the accompanying
drawings, in which--
>
movable in a manner now‘ toibe described. »
out of the housing 1, in a manner particularly
Figure 1 is a front elevational view of the re
frigerator;
,
illustratedat the broken-away sectional portion
in Figure 1,‘ where they become part of a. verti
cally moving framework I1 havingthe horizontal
cross-bar l8, and lifting mechanism is provided
between that cross-bar and the top of the hous
10
Figure 2 is a side elevational viewth'ereof;
Figure 3 is a horizontalcross-section of the
interior structure, taken approximately on the
line 3-‘--3 of Figure 1, and looking" downwardly;
ing. ‘ In the instant case, this lifting mechanism
Figure 4 is a front elevational view of the in
is in the form of a lifting jack l9, operated by
terior structure, parts being illustrated in section;
a hand lever 2|]. Operation of the hand lever 28
results in the lifting of the framework, with its
Figure 5 is a view similar to Figure 4, except
that certain parts are shown in another position;
>
and
.
Figure 6 is a rear elevational view of the in
terior structure.
7
‘
The four vertical rods l6, l6 extend upwardly
'
four downwardly extending rods l6, and the lift
20 ing jack I9 is provided with the usual mechanism
for release, whereby the framework and its rods
are lowered. As shown in Figure 1, a compressi
.
The housing of the plant is shown at ‘I in Fig
ble washer Ila, as of rubber, is interposed between
ures 1 and 2, the motor-compressor unit and the
the framework l1 and the top of the housing,
usual appurtenant mechanisms of a refrigerating
system being disposed in the lower portion there 25 around each rod IS, in such a manner that, when
, the‘ framework is in its lowered position, the‘ open
of, as indicated at 8 in dotted lines in Figures 1
ing'through-which the rod passes is effectively
packed by the compression of the washer. ‘
'
The upper portion of the housing ‘I is provided
The rods [6, I6 support the vertically movable
with the doors 9,, 9 at the front, these doors being
conveniently hinged to the housing. at l0, l0’ and 30 refrigerating plates 2|, 2|, which are similar to
the refrigerating plates l4,- l4,‘ comprising the
being adapted to be held closed by means of the
refrigerating chamber ‘Ma and the laterally ex
hasps II.
a
5
'
tending-?anges 2lb, 2H),. one of these movable
In the upper portion of the housing ‘I, which
refrigerating plates being disposed over each of
is heat insulated as shown at ‘M in'Figure 1 and
which is accessible from the front when the doors 35 the ?xed refrigerating plates. The rods l6, I6
pass through openings in.the ?anges 21b, 2"),
9, 9 are opened, are a series of so-called refrig
but, in this instance, they are engaged to the
erating plates, one over the other, half ofsthem
flanges ~2Ib, 2 lb, at the bottoms thereof, by means
being ?xed and the other half movable, all in a
and 2.
'
~
-
,_
manner now to be described.
'
, of cross
pins or the nuts 22, 22.
Surrounding the
As shown in Figures 3, 4 and 5, the supporting 40 rods l6, l6, and lying between the flanges H12
and the ?anges lllb above them, are the equaliz
structure within the housing ‘I comprises the four
ing springs 23, urging their respective movable
upright angle bars l2, 12, one at each corner‘, and
refrigerating plates downwardly towards the com
horizontal ‘angle bars I3, [3 are secured to these
panion ‘?xed refrigerating plates,_‘all as clearly
upright angle ‘bars, running from front to back
shown in Figures 4 and 5. When the vertically
and spaced vertically from each other in the
movable framework is in its lowermost position,
manner of regularly arranged shelves, pairs being
as shown inFigures 1 and 2, the'movable refrig
in lateral alineme'nt. To each pair of these hori
erating plates occupy the position‘shownin Fig
zontal angle bars I3, I3 there is secured a sta
ure 5, and when‘it is in its upper‘position, the
tionary refrigerating plate, indicated as a whole *
at It, comprising the comparatively venlarged.
.50
movable refrigerating plates occupy the position
central portion Ma, which forms a refrigerating
shown in Figure 4.
,
-
chamber, and the laterally extending vflanges Mb,
lllb, secured against the respective horizontal
> ‘Reference is'now madeito Figure 6;
'
'
;
‘
,
,
.
.
The ?xed refrigerating chambers Ma, Ma- are
‘connected-in series, at alternately. opposite ends,
angle bars l3, I3, conveniently ‘by means of small
horizontal angle bars l5, l5, attached to the ver 55 by means of tubing 24, 24, the inlet for this ?xed
2,408,154
3
4
plate system being at 25 and the outlet being
lower portion of said housing, a series of sta
at 26.
tionary refrigerant chamber plates amounted hor
The movable refrigerating chambers Zla, Zia.
are also connected in series, in this instance by
means of the flexible hose 21, 21, as clearly shown
in Figure 6, the inlet for this movable refrig
erating plate system being at 28 and the outlet
therefor being at 29. The refrigerant inlets and
izontally in said housing one above the other, a
complementary refrigerant chamber plate mount
ed above and parallel to each said stationary plate
and movable toward and away from the same,
springs urging said complementary plates toward
said stationary plates, means for carrying all of
said complementary plates, said means extend
frigerating plant in the lower portion of the 10 ing through the top of said housing, and means
on top of said housing for raising said carrying
housing I, and, if desired, intermediate connec
means simultaneously to lift all of said comple
tions may be provided in parallel in order more
mentary plates.
evenly to distribute the refrigerant.
6. In a refrigerating apparatus, a housing, me
Articles to be frozen are to be disposed between
the members of each pair of refrigerating plates 15 chanical refrigerating means disposed in the
outlets are appropriately connected with the re
and are to be held in contact therewith during
lower portion of said housing, upright supporting
freezing. Conveniently, shallow containers 30
members in said housing, a series of refrigerant
chamber plates secured to said supporting mem
bers horizontally one above the other, a comple
mentary refrigerant chamber plate above and
parallel to'each said stationary plate and movable
toward and away from the same, springs urging
said complementary plates toward said station
may be used for these articles, and their intro
duction into the refrigerator is shown in Figure
4, the movable refrigerating plates ‘being held in
upward position for this purpose. In natural
state, the foodstuff to be frozen extends beyond
the rim of the container '39. With ‘the foodstuffs
thus introduced, the movable framework is per
ary plates, means for engaging all of said com
mitted to lower, so that the movable refrigerating 25 plementary plates, said means extending through
plates are permitted to come down upon the top
the top of said housing, and means on top of
said housing for raising said engaging means
of the foodstuffs to be frozen, the resulting con
dition being as illustrated in Figure 5. When
simultaneously to lift all of said complementary
the foodstuffs have been frozen, the lifting jack
plates.
_k
is again operated to raise the movable frame
7. In a refrigerating apparatus, a housing, a
work, and all the movable refrigerating plates, ‘
and the frozen foodstuffs are then removed.
I claim:
.
series of stationary refrigerant chamber plates
mounted. horizontally in said housing one above
the other, a complementary refrigerant chamber
1. In a refrigerating apparatus, a housing, a
plate mounted parallel to each said stationary
stationary plate in said housing providing a re 35 plate and movable toward and away from the
frigerant chamber, a movable plate associated
same, springs urging said complementary plates
therewith and providing a complementary re
toward said stationary plates, manual means for
frigerant chamber, springs urging said movable
moving said complementary plates away from
plate toward said stationary plate, and means for
said stationary plates, mechanical refrigerating
moving said movable plate away from said sta 40 means in said housing, and connections whereby
tionary plate.
said last-named means circulate a refrigerant in
series of stationary refrigerant chamber plates
parallel through said stationary and comple
mentary chambers respectively.
mounted horizontally in said housing one above
the other, a complementary refrigerant chamber
plate mounted parallel to each said stationary
plate and movable toward and away from the
series of stationary refrigerant chamber plates
2. In a refrigerating apparatus, a housing, a
8. In a refrigerating apparatus, a housing, a
mounted horizontally in said housing one above
the other, a complementary refrigerant chamber
same, springs urging said complementary plates
plate mounted parallel to each said stationary
toward said stationary plates, and manual means
plate and movable toward and away from the
for moving said complementary plates away from 60 same, springs urging said complementary plates
said stationary plates.
toward said stationary plates, manual means for
simultaneously moving all of said complementary
. 3. In a refrigerating apparatus, a housing, me
plates away from their companion stationary
chanical refrigeration means in said housing, a
plates, mechanical refrigerating means in said
stationary plate in said housing providing a re
frigerant chamber, a movable plate associated 55 housing, and connections whereby said last
with said stationary plate and providing a com
plementary refrigerant chamber, springs urging
said movable plate toward said stationary plate,
named means circulate a refrigerant through
said chambers.
9. In a refrigerating apparatus, a housing, me
chanical refrigerating mean-3 disposed in the
movable plate away from said stationary plate. 60 lower portion of said housing, a series of station
ary refrigerant chamber plates mounted horizon
4. In a refrigerating apparatus, a housing, a
series of stationary refrigerant chamber plates
tally in said housing one above the other, a com
plementary refrigerant chamber plate mounted
mounted horizontally in said housing one above
above and parallel to each said stationary plate
the other, a complementary refrigerant chamber
plate mounted parallel to each said stationary 65 and movable toward and away from the same,
springs urging said complementary plates toward
plate and movable toward and away from the
same, springs urging said complementary plates
said stationary plates, means for carrying all of
said complementary plates, said means extending
toward said stationary plates, manual means for
moving said complementary plates away from
through the top of said housing, means for pack
.said stationary plates, mechanical refrigerating
ing the same, and means on top of said housing
for raising said carrying means simultaneously
means in said housing, and connections whereby
and means outside said housing for moving said
said last-named, means circulate a refrigerant
through said chambers.
to lift all of said complementary plates.
’
10. In refrigerating apparatus, a housing, me
chanical refrigerating means disposed in the
5. In a refrigerating, apparatus, a housing, me
chanical refrigerating means disposed in the 75 lower portion‘ of said housing, upright supporting
2,408,154
5
6
.
stationary plates by lifting saidrods, mechanical
members in said housing, a series of refrigerant
chamber plates secured to said supporting mem
bers horizontally one above the other, a comple
refrigerating means in said housing, and connec
tions whereby said last-named means circulate a
mentary refrigerant chamber plate above and
refrigerant in parallel through said stationary
parallel to each said stationary plate and mov- '
and complementary chambers respectively.‘
12. In a‘freezing apparatus, the combination
able toward and away from the same, springs
of a frame, a plurality of pairs of hollow plates
positioned 'within said frame, the pairs being
stationary plates, means for engaging all of said
superimposed one above another, one plate in
complementary plates, said means extending
through openings in the top of said housing, 10 each pair being'mounted in ?xed relation to the
frame and the other plate in each pair being
means for packing said openings when said com
movable away from the corresponding ?xed plate
plementary refrigerant chamber plates ‘are in
thereof to permit articles to be introduced there
lowered position, and means on top of said h-ous,~
between, yieldable means urging each movable
ing for raising said engaging means simultane
ously to lift all of said complementary plates.
15 plate toward its ?xed plate to cause the plates
of each pair to exert pressure on articles inter
11. In a refrigerating apparatus, a housing, a
posed between them, verticallyreciprocable rods
series of stationary refrigerant chamber plates
slidably secured to said frame, means connecting
mounted horizontally in said housing one above
the rods with the movable plates, means for mov
the other, a complementary refrigerant cham
ber plate mounted parallel to each said station 20 ing‘the rods conjointly to increase the distance
between each movable plate and the correspond
ary plate and movable toward and away. from
ing ?xed plate, means for supplying all of the
the ‘same, said complementary plates being
?xed plates with refrigerant’ and means for sup
mounted on vertically movable rods, springs ur plying all of the movable plates with refrigerant.
ing said complementary plates toward said sta
tionary plates, external manual means for mov 25
A. J. STONE.
ing said complementary plates away‘ from said
urging said complementary plates toward said
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