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Патент USA US2037152

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. Ap'
14,1936.
_
M. sscoFlELp
LIQUID AGITATOR
Filed Marçh 5, `1954
1%
2,037,152
2,031,152
Patented Apr. 1_4, 1936 '
U‘Nl-TED vs'rll'l‘las "PATENT OFFICE
2,637,152
lmum llenaron
Mark s. suunela, columbus, oluu, uuulguur tu
Ralph S.- Scofield, Newton, Iowa
Application M'uuun 5, 1934, sel-nu No. 114,129
_
2 Claims.
flange I6 -arranged to project downwardly just
>My invention relates tov liquid agitators of the
type in which liquid is agitated by the applica
tion of _air thereto, especially where it is desirable
to create “su
5
”. _
'
.
inside the wall of the tub I4.
-
More particularly, it is my object to provide a
fliquid agitator structure, including means' for
‘
vA series of lugs I9 project downvl'ardly` from
supplying air to -liquid in a-container and for
the apron `and locking plates 20 are fastened to
re-.using the same air and for creating a slight
thelugs I9 as by screw bolts 2| and are so ar
suction of air into the container. particularly
ranged as to engage under the flange I1 for hold- 10
10 around a lid or cover at the top of the- device.
’
'
The tub Il has at its' upper edge the outwardly
extending ñange I1. I arrange a gasket 4It in
the _form of a rubber hose between the ñange 5
I'I and the under face of the‘apron I3;
lug the tubluplace.
The purpose of such a structure is to provide
,
n
-
'
In the form of the *device shown here, I have
for eiiicient agitation and the satisfactory crea~y
tion of soap Vsucls and to prevent the waterfor illustrated a cover 22 hinged at v23 to the apron
I3 for closing the central opening in the apron
»sudafrom emerging from the container and col
and thus, closing the tub. 'Thec'oven of course,
i5 lecting on' the top thereof. ‘
may- vary in structure but the cover 22 will suiiice
My agitator may be used for washing ma
' `
chines, dish washers and otherapparatus where _for illustrating my invention.
Itwill be understood that the tub may be
the creation of soap suds_is desirable.
For purposes of illustration, I have shown my provided with suitable drain means, which how
aggator embodied in the form of a washing 'ma ever forms no part of my present invention and
is therefore not shown Vin ¿the ' drawing. The
l With these and other objects in view, my in _mechanism may also be provided with a wringer
and means for operating it, and I have shown
vention consists _in the construction, arrange
ment' and combination‘of the various parts of the wringer post P, but since the wringer mecha
25 my liquid agitator, ~whereby the objects contem ' -nisln forms no part of the ,present invention,
.
c
e.
r
'
.
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~
I have not further illustrated it.
Figure 1'is a front elevation of a washing ma
wardly alongside the tub and withinthe shell I Il*
and to a point near the top of the tub, and
from whence it is inclined downwardly again to
tion, parts being broken away and parts being
,
j
Figure 2 is ahorizonta'l, sectional view taken
ontheline2-2ofFigure,1.,'
-35
-
,
.
25
»
discharges air into a pipe 26, which extends up- 3Q
30 chine embodying an agitator involving my inven
_
»
4pump or b1ower’24 operated from any source of
power, for instance the motor 25. The pump
in the accompanying drawing, in which:
_
20
-Suitably supported below-the tub is anair
' forth, pointed out in my claims, and illustrated
shown in section.
`
'
plated are attained, as hereinafter more fully-set
-
'
, a point beiow’the bottom of the tub
'
Figure 3 is a' vertical”, detailed,~sectional view
Y
a properwater seal.
thus afford 35
_
i
The air is supplied from the pipe 2B to the
Figure 4, is a detailed, sectional view taken lower interior of the tub Ily through a distributor
~ 21, which may be similar in its general struc
on the line 4----I of'Figur'e 3; and
_
Figure 5 is a detailed, sectional view taken on ture to that disclosed in my patent, No. v1397,--l
taken on the lne 3--3 of-Figure 2.
v
theline5-5ofFigure2.A
622, issued ,umh 24, 1931, and' particularly lu 4°
_
In the drawing herewith, I have shown a wash
Figure 3 tlfereof.
_
f
.
ing machine having an outer shell Il in the form . The alr rár the blower ls drawn :rom the lu
of 4a-metal cylinder supported on legs II' prœ
kterior- of the tub, "
vided with rollers I2. -`
.
.
y
.
E
A
.
I `have shown an air and moisIz'lre separator ¿5
Resting on the top of the shell Il isjan apron '` 28 in the form of a casingsecured to the side
v45
IJ in the form of .an annular', substantially flat of the tub, which is larger at its upper end than
ring inclined inwardly and slightly downwardly .at
its lower end, and is connected with the blower
.from the wall v_olf the shell I0 and substantially
overhanging the top of the tub I4. -
intake by a pipe 29;
„
’Ille tub 'Il is supported in anysuitable way
50 within and spaced from the wall ofthe shell Il.
As here illustrated, the under side of the apron '
I3 is provided with an annular flange I5 ~fitting
theinsideofthewalioftheshell Il andwith an
*'55 inwardly spaced downwardly proiecting
I
'
vThe casing ofthe separator 28 is
as herein mentioned.
,
_
,
'
except 5o
'
At the upper partl of the separator 28 its in
terior communicates with the tub-by means of a
passage 30 through the
„and the wall of. thlev tub.
ofthe separatorv
with the 55
9,087,159
e. 33, a 'cup-like member 3| is arranged
ontheinsideofthetub..
`
.-
'
'I'he casing' 31 may be filled with gravel, char
coal or the like.
,
.
.
-
-
It will be understood that the air is drawn from
In the‘use ofthe vacuumge erator, it will be
the interior of the tub through the cup-like niem
5 ber 3| and the passage 30 and it follows the paths seen that when air 'is forced by the blower
through ~the pipe 23, some of the air will pass 5
indicated by the arrows in Figures 3 and 4.
through
the small tube 33 into the casing 31, and
On the interiorv of the separator 23 the casing will, of course,
be substantially retarded by the
`is >provided with a pair of laterally spaced par
charcoal or the like, indicated at 45,' which may
titions _32 extending from the top 'of the casing ñll
or partly illl one or more of the compartments
10 downwardly below the passage 30 and extending
formed by the partitions, and thev air will follow, "1
into the upper end of a compartment 33 formed
_ in the casing by means of a partition 34.
This
a tortuous path through the openings 42 and
¿around the lower edge
compartment 33 is open at its upper end as shown .thence through the ventof44.the partition 43 andl
and is otherwise closed, except fo'r the tube 35,-V ‘ The moisture and soap carried by the air will v
.15 which leads from its lower part into the tub.
tend to collect- on the charcqaMi onthewlike and 1 5
'There will, of course, be some moisture carried will
then now out throughthkè
e 33' in the
= . into the separator with the air.
air and moisture -separatoiû and drop intcì‘` the
~ The air follows a tortuous'path as indicated by
-
the arrows in Figure 4 and the moisture tends to
20 drop into the compartment 33 where it stands
substantially on the level >with the water-in the
~ tub.
25
-It will thus be seen that in the operation 'of the
device, the air is drawn from the tub through
theblower and discharged into the. bottoml of
the tub and passes upwardly through the water,
ì thus serving to agitate it.
Itv will be understood that by adding soap va
desired suds may be produced.
30
, ’
I have found that by using air for the agitator
instead ' _of employing- a mechanical agitator, I
am able to create and maintain a much better
supply of suds.
.
_
l'
_
'I'he soap bubbles gather vat the top of the
35 water in the tub insuch quantityvthat they tend
to get out through the joint around the lid and
pile upy on top of the tub. 'I‘his is a decided objec
tion to washing machines and the like which em
ploy air for 'agitating water and washing the
40 clothes and forming a suds. lMuch complaint has
been experienced because of the fact that the
suds gather in a pile on-top of the tub.
'
I have provided means for creating slight vac
compartment 33.
- '
/
\\`\‘
- 'I‘hus a small part of \\ _. e air pulledfrom the
tub by the blower willßbe discharged to atmos
phere >`through the vent 44. v'Ll'his will create a
slight vacuum in thetcp of the tub and will tend `
to cause slightiniiow of air into the tub around
20
the cover 2,2. 'I'his inñowing air vwill prevent' the escape of soap bubbles around the cover and pre 25
vent the collection 'of a pile of soap bubbles on
top of the tub.A
Y
'
'
By this arrangement,v I am able to utilize the
advantages of air agitation of the water in a
washing machine or the like, and am able to 30
take advantage of the creation of a large- amount
of suds and at the same time to prevent the es-cape of the suds from the tub and the collection
thereof on the top of the tub and on the apron I3.
It will, of course, be understood that some 35
changes may be made in the construction and ar
rangement of the parts ofmy improved structure,
and it is my purpose to coverv by my claims any
modified forms of structure or use of mechanical
equivalents, which may be reasonably included
' within their scope.
I claim as my invention:
-
.
1. In a washing machine, a. tub, a cover there
i’or,- around which suds might escape and means
. uum in the tub and thus for creating a. slight suc
45 tion around the cover, and thus preventingâ the
for supplying air to the water in the tub for agi
collection of soap'bubbles on top of the tub.
, - tating it without allowing suds to escape around
, Extending from the upper part of the pipe 26
-is a short tube 33 to the lower part of a horizontal
cylindrical casing 31 of 'what maybe called a
50 vacuum generator and moisture separator. A
short pipe 33 leads :from the lower part of the-
the cover, said means including a compressor air
pump, al distributor'chamberfor distributing air
into the lower part of the tub, pipe means lead
ing from the pump discharge outletupwardly to
a point above the -water levelinlthe. tub and
opposite end of the casing 31 to a passage 33 in » thence‘downwardly into the distributor cham
the wall of the casing 2_8 discharging into the ber, sai‘dipipe means being provided with a small
interior of the casing at 43 (Figure 2) above the `vent to atmosphere, and means for conducting air
55 compartment 33.A _, ~
f
.
from the upper interior of the tub to the pump
In the casing 31 is a vertical partition 4I spaced
'from the tube :s but nearer that _tube than the
tube 33. The partition 4| has a series of small
holes 42 in its upper part. Spaced from vthe par
60 tition 4| and between it and the tube 33 is 4an
other partition 43 extending from the upperI part
of the' casing 31 substantially more than> half
way to the bottom thereof,>- and thus leaving an
opening around its lower edge.
65
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`>
v
‘
Preferably in the top of the casing 31 between
. inlet.
.2. In a device of the kind described, a washing
machine tub, a cover therefor, around which suds
might escape and around which air may be drawn
into the tub, an air pump, air conducting means
leading from the pump to the lower interior of
the tub, air conducting Ameans leading from the
'upper interior ofthe tub to the pump and a com
municating
e 1eading from said ñrst
tp said second means, having a small vent 65
the partition 43 and the outlet end of the casing - means
to atinosphe'?e.
. "
` isanalrventutoopen atmosphere.
/
MARK S. SCOFIELD.
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