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Патент USA US2111148

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March 15, 1938.
2,111,148
J. JUDELSON
DRIER
Filed Aug. 14, 1935
2 Sheets-Sheet l
INVENTOR
JULIUS JUDELSON
@151
TTORNEY
March 15, 1938.
2,111,148
J. JUDELSON
DRIER
Filed Aug. 14, 1935
2 Sheets-Sheet 2
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1 l.
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INVENTOR
JULIUS JUDELSON
@531.
TTORNEY
2,111,148
Patented Mar. 15, 1938
UNITED STATES
PATENT OFFICE
2,111,148
DRIER
Julius Judelson, New York, N. Y.
Application August 14, 1935, Serial No. 36,144
6 Claims. (Cl. 34-19)
This invention relates to driers. More particu
larly, it relates to a method and means for drying
clothes or other material in which there is em
ployed an improved electrically heated drying
5 system.
One object of my invention is to provide a de
vice of the character described, having means
for causing a drying medium to flow in a con
tinuous circuit whereby the moist clothes or other
10 material in the drier may be quickly and effec
tively dried.
Another object of my invention is to provide a
device of the character described in which a por
tion of the drying medium which has absorbed
‘ moisture from the moist clothes or other material
in the drier may be quickly exhausted from the
drier.
A further object of my invention is to provide a
drier of the character described comprising few
and simple parts, which shall be relatively inex
pensive to manufacture, economical to operate
and highly e?icient for the purposes described.
A still further object of this invention is to
l5, suitably positioned within the ducts l2 and
I3. Thus it is seen that by the time the air enters
the duct H to be deflected into the drying com 10
partment 30 which contains moist clothes to be
dried, the said air has been progressively heated
by having successively passed over the electrical
heater units l5. Said heaters l5 may be of any
suitable construction adapted to heat a current 15
of air passing thereover.
The cabinet l0 may be of any suitable con
struction, the walls 20 thereof being constructed
of single or double sheet metal suitably re-en
forced, in any well understood manner, and 20
spaced from each other to provide a heat insulat
ing air space 2| between in order to retain the
drying medium in heated condition in the clothes
provide a highly practical method for quickly
drying compartment 30. The drying compart
and effectively drying clothes or other material
which may be easily and economically carried
which may be insulated in a manner similar to
out.
Other objects of this invention will in part be
obvious and in part hereinafter pointed out.
The invention accordingly consists in the fea
tures of construction, combinations of elements,
and arrangement of parts which will be exempli
?ed in the construction hereinafter described,
and of which the scope of application will be in
dicated in the following claims.
In the accompanying drawings, in which is
shown one of the various possible embodiments
of this invention,
40
may consist of one or more units, each compris
ing a drying chamber or cabinet 10 provided with
a blower ll adapted to force a drying medium,
such as air, through a series of spirally connected
ducts, I2, I3 and I4 and into a clothes drying is
compartment 30, said air being ?rst caused to
pass over a plurality of spaced electrical heaters
'
Fig. 1 is a perspective view of a drier embodying
the features of my invention, the doors being open
and certain portions cut away to disclose the in
terior construction;
Fig. 2 is a sectional view illustrating the con
struction of the heating means embodying vari
ous features of my invention;
Fig. 3 is a plan view, partly sectional, of the
portion of my device illustrated in Fig. 2;
Fig. 4 is a sectional view taken substantially on
the line 4-—4 of Fig. 2;
Fig. 5 is a sectional view taken substantially on
the line 5—5 of Fig. 4; and
Fig. 6 is a sectional view taken substantially on
the line 6—6 of Fig. 5.
Referring in detail to the drawings, my inven
tion is shown as applied to a clothes drier which
ment 30 may be provided with close ?tting doors
that of the walls of the cabinet III, as described
above.
A drying rack to accommodate moist clothes
or other materials, may be provided in the drying 30
compartment 30 and may comprise a plurality of
horizontally spaced members 28, suitably sup
ported on cross members 29, said members 29 be
ing attached to the walls of the cabinet l0.
To permit the heated air in the duct M to be
de?ected into the drying compartment 30 the top
wall of said duct I4 is provided with a series of
adjustable louvres l6 which allow the heated air
from the duct M to be de?ected into the drying
chamber 30.
It is desired that the heated air entering the
drying compartment 30 be in constant motion
in order that it may more effectively absorb the
moisture from the wet clothes. This is accom
plished by providing a ventilating device attached
to one of the side walls of the cabinet l0 and
communicating with the inside of the drying
chamber 30. The ventilating device may com
prise a ?ue 3i as shown in Figs. 5 and 6 of the
drawings, open at the top and bottom to cause a
draft of air to pass therethrough in a direction
shown by the arrows. It is noted that the top and
bottom openings of the ?ue 3| communicate with
the air outside of the cabinet “I. Between the
inner wall 32 of the ?ue 3| and the inner wall 55
2
.
2,111,148
of the cabinet l0 there is formed an air passage
way 33. Said passageway 33 is entirely enclosed
with the exception of a plurality of louvres II
which may communicate with the drying com~
partment 30, preferably positioned toward the
bottom of said compartment, and another set of
louvres 36 communicating from the passageway
33 to the ?ue Ii preferably positioned toward the
top of the passageway a.
10
A wire screen 40' may be provided to cover the
louvres l6;in the top wall of the duct I‘, so that
moist clothes which may fall from the drying rack
will not clog the louvres I6 to prevent the en
trance of the heated air into the drying compart
15 ment 30.
The operation of my device may now be de
scribed as follows:
The moist clothes or similar articles which it is
desired to dry are placed on the drying rack with
20 in the compartment 30 and the doors 25 closed.
The blower I I is then set in operation. The dry
ing medium, which in this case is air from the
' atmosphere within the cabinet, is caused to travel
through duct I! in the direction of the arrows
25
(Fig. 2), passing successively over the heaters
| 5 to become progressively more heated and dried
as it passes over said heaters. The air is then
guided into the duct i3 and caused to travel in
said duct i3 over another set of electrical heaters
30 I5 to be further heated and dried. The air is then
guided by a curved connection into the duct H
from which it is de?ected into the drying com
partment 30 through a series of adjustable louvres
l6 positioned in the top wall of the duct I‘.
35
Since it is seen that the air entering the dry
ing compartment is heated and under pressure
it will therefore circulate freely through the dry
ing compartment 30 in the direction as shown
by the arrows in Fig. 1 of the drawings to ab
40 sorb the moisture from the moist clothes there
in. It will be noted that the blower II is posi
tioned entirely within the cabinet I0 and there
fore the air supply entering the intake of the
blower ii will come from within the cabinet Ill.
45 As shown in the drawings, the drying compart
ment 30 communicates with the intake of the
blower ll through an opening 40. Therefore it
is seen that a continuous circuit of the drying
medium or air is established. The air from the
50 drying compartment 30 is drawn into the blower
II and forced through the ducts l2, l3 and I4
and thence into the drying compartment 30 to
circulate therein and absorb the moisture from
the moist clothes and to ultimately be drawn into
55 the blower intake again' through the passage
way 40 to be recirculated.
It is seen that after a short period of opera—
tion the air entering the blower ll through pas
sageway 40 will have already been heated so that
60 each time it is passed through the ducts l2 and
I3 containing the electrical heaters IS, the air
will emerge from the ducts it in a slightly more
heated condition than previously. This process
of re-heating the re-circ'ulated air will continue
65 until the air has reached a predetermined tem
perature.
At the same time that the air is caused to cir
culate in a continuous circuit as described above,
a portion of the moist air in the drying chamber
70 30 is exhausted to the outside of the cabinet III
by means of the ventilating device hereinbefore
described. Due to the action of the draft of air
passing through the ?ue 3| in the direction of the
arrows as shown in Fig. 5 of the drawings, a por
75 tion of the moist air within the drying compart
_
ment II will be drawn into the
eway II
through the louvres I5 and thence into ?ue ll
through a set of louvres 36 to be ultimately ex
hausted through the top of the flue II.
To replenish the air that is exhausted from 5
the cabinet III by means of the ventilating de
vice described above, the front wall of the cabi
net It may be provided with a grilled or perfo
rated portion 45 to allowthe air from the out
side to enter the cabinet ll.
'
i
It will thus be seen that there is provided a
method and apparatus in which the several ob
jects oi.’ this invention are achieved, and which
is well adapted to meet the conditions of prac
tical use.
_
15
As various possible embodiments might be made
of the above invention, and as various changes
might be made in the embodiment above set forth,
it is to be understood that all matter herein set
forth or shown in the accompanying drawings is 20
,to be interpreted as illustrative and not in a
limiting sense.
Having thus described my invention, I claim
as new and desire to secure by Letters Patent:
1. In a drier of the character described, a hol
low cabinet comprising a perforated wall dividing
said cabinet into an upper and a lower compart
ment, a zig-zag passageway in said lower com
partment having positioned therein a plurality of
spaced electrical heaters, means including a blow
er in said lower compartment for introducing a
drying medium into said passageway at one end
thereof, to cause said medium to pass over said
heaters to be progressively heated and dried, and
means associated with the other end of said pas
sageway for angularly de?ecting said drying me
dium into said upper compartment.
2. In a drier of the character described, a dry
ing compartment comprising side, top and bottom
walls, said bottom wall being perforated, means 40
for circulating a heated drying medium in said
drying compartment through said bottom wall,
and means for exhausting a portion of said cir
culating drying medium from said drying com
partment, said last named means including an 45
independent ?ue supported by said drier and po
sitioned outside of said drying ompartment, said
?ue having both ends thereof open to the atmos
phere outside of said drier, the said wall of said
?ue adjacent to drier being spaced from and 50
parallel to the side wall of the drier adjacent said
?ue, a communicating passageway between said
?ue and said drying compartment, said ?ue be
ing so constructed and arranged whereby a cur
rent of air will enter the lower open end and flow 55
therethrough and out of the upper open end to
cause a suction which will draw a portion of the
air from said drying compartment through said
communicating passageway.
3. In a drier of the character described, a dry
ing compartment comprising side, top and bot
tom walls, said bottom wall being perforated,
60
means for circulating a heated drying medium in
said drying compartment through said bottom
wall, and means for exhausting a portion of said 65
circulating drying medium from said drying com
partment, said last named means including an
independent ?ue supported by said drier and p0
sitioned outside of said drying compartment, said
?ue having both ends thereof open to the atmos
phere outside of said drier, the said wall of said
?ue adjacent to drier being spaced from and par
allel to the side wall of the drier adjacent said
?ue, a communicating passageway between said
?ue and said drying compartment, said ?ue be
75
3
2,111,148
ing so constructed and arranged whereby a cur
rent ‘of air will enter the lower open end and
flow therethrough and out of the upper open end
to cause a suction which will draw a portion of
said drying medium is circulating, said last named
means including an independent ?ue positioned
outside of said drier, said ?ue having both ends
thereof open to the atmosphere outside of said
the air from said drying compartment through
saidv communicating passageway, said communi
?ue and said drying compartment, a plurality of
cating passageway comprising an enclosed air
space between said ?ue and said drying compart
ment, and openings in said ?ue and in said dry
ing compartment communicating with said air
space.
4. In combination with a drier of the character
described having a drying compartment, means
for circulating a heated drying medium in said
15 drying compartment, means for re-circulating
said drying medium in said compartment, means
for exhausting a portion of said drying medium
from said drying compartment while said drying
medium is, circulating, said last named means in
20 cluding an independent ?ue positioned outside of
said drier, said ?ue having both ends thereof
open to the atmosphere outside of said drier and
an enclosed air passage between said ?ue and
said drying compartment, a plurality of louvres
25 in said ?ue communicating with said air passage,
and a plurality of louvres in said drying com
_ partment communicating with said air passage.
5. In combination with a drier of the character
described having a drying compartment, means
30 for circulating a heated drying medium in said
drying compartment, means for re-circulating
said drying medium, in said compartment and
means for exhausting a portion of said drying
medium from said drying compartment while
drier, and an enclosed air passage between said
louvres in said ?ue communicating with a portion
adjacent the top of said air passage and a plural
ity of louvres in said drying compartment com
municating with a portion adjacent the bottom 10
of said air passage,
6. A drier of the character described compris
ing, a continuous directional changing duct hav
ing parallel longitudinal walls, a compartment
for said duct, a blower in said duct compartment 15
connected to one end of said duct for forcing a
drying medium therethrough, a drying compart
ment disposed adjacent said duct compartment,
said drying compartment having a perforated
wall communicating with said duct compartment 20
and means for angularly de?ecting the drying
medium from said duct to said drying compart
ment comprising a plurality of spaced louvres in
the topmost longitudinal Wall of said duct, said
blower and said duct being so constructed and 25
arranged in said duct compartment whereby the
suction created by the operation of the blower
will draw some of the drying medium circulating
in the drying compartment through said perfo
rated wall into the blower inlet to be forced 30
through the duct and to be recirculated in the
drying compartment.
JULIUS JUDELSON.
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