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Патент USA US2124289

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July 19, 1938.
Filed Jan. 2, 1956
‘Patented July 19, 1938 v
Richard Ericson, Chicago, Ill.
Applicatio 11 January 2', 1936, Serial No. 57,093
(Cl. 62-136)
' 1 Claim.
Referring to this drawin g, it will ‘be noted that
an improved
The present invention relat es to
'the appliance desirably, but not necessarily, is
method and novel in eans for ‘con
mounted ‘on wheels orcasters l l_, l I which give,
which the air may, in summer time, becooled, ' it portabilitypa'nd comprisesv a casing or house,
dehumidi?ed and washed, and, in wintertime, “ ing I2- having apertures or ports l3 therethrqugh UR
a, at one end ‘controlled,~as to the extent of their
may be washed an d humidi?ed.
For the speci?c d cooling and dehumidifying opening,‘ by an adjustable, correspondingly-aper- :
of .theyair, the new proce dur e operates on the - tured turning plate or damper M equipped with 1
being an operating knob or ‘handle 1| 5, the housinghav
thermodynamic principle that air, after
compressed, if permitt ed to cool under pressure to ‘ ing at its opposite end a larger ,opening- ,Hijcon- ; 10
an d subsequently made to do ‘ trolled ‘or ‘ regulated» by manually-adjustable,
10 room temperature,
below room
'work, will be cooled ‘s ubstantially
louvers- l1.‘v
temperature, and will also lose‘ considerable of
Inside of the casing, an, air-compressor 18, of ,1,
its moisture, depending upon‘the original rela ' any‘ appropriate type is driven partly bydlany,
tive humidity.
another purpose
In‘orde‘r t 0 effect economy
of the invention is to cause the compressed air,
during its expansio 11, to perform work in'a' suit
able engine which supplies power to the "air
compressor to‘ assist in compressing additional
air, and, by this means, the outside power, such
as electricity, required to operate the compressor
will be materially reduced.
The compressed air is washed and cooled by"
electric-motor 19, the air external‘ to the casing,
being drawn into thecompressor,throughan»
admission-tube-2l,‘the vair under pressure being
delivered from dthe
'of compressor
a‘tank 23 equipped
by conduit
the _, 1
22 into one en
same end with wate r-spray ‘devices, 24 supplied ;
by water from any‘ suitable . source by an inlet-,
pipe 25, the-excess wa ter draining'fromthebot-1,;
tom of the tank through piping 26 into the, water,
cooling-jackets of s the air-c ompressor, the water. ,.
passing it through a water spray and ‘subsequent- ' when leaving suclr'jackets ?owing ‘out through ; 25
trained moisture, and, in the discharge-pipes“; 20 to any so itable drainage
25 ly freed from en
winter time, the same apparat'us by certain minor
alterations or adjustments can be‘employed not
Tank '23 - is also equipped
ely edownwardly»;v
with. ‘a serieslof
from, >
only to Wash the ail‘, but t 0 add the desired ba?les extending alternat
the top of the tank'and‘ upwardly from the ,bot— 30
amount of moisture
tom thereof, thus‘v providing a tortuous‘pathwfor <
loyed for a
The preferred form 0f appliance emp
the air between and aroundvthem,
d, at the
all ,endas isof
such‘:a "
‘ practicing this proce ss has, bes
depicted in the drawing; an
advantages, those o f‘ compactness, practically
complete facilities for conditi oning the air, and
e. air itself is used in place of
35 direct action, as th
other ?uids as in the ca se of a number of differ
ent mechanical devices for cooling and treating
hines, the ?uid is ?rst
air. In :such other mac
cooled, and, by means ofedsuitable
from the air to the
40 ers, the heat is extract
urther, direct-type
?uid which must be cooled f
heat-exchangers not being suitable for such use.
As distinguished from this, the simplicity and
advantages of the ‘new method and apparatus
e will be readily apparent.
45 outlined abov
will understand
Those acqu ainted with this art
e?ts accruing from
the new invention and the ben
f a pres
its employment from a consideration 0
to practice the
ent preferred appli ance designed
section and some
process illustrated in vertical single view of the
what diagrammatically i in the
accompanying drawin g forming a part of this
should be
speci?ca tion and to Which reference
With the following detailed
had in connection
description. '
tank opposite‘ to‘ that where the tubing or pipe 22s
communicates therew ith, a discharge-conduit 28 z.
?tted with a control-valve 29 c onnects the interior of the tank with an air-engine 32, the re’
tary shaft of_ which is joined through amanually
operable clutch 33 with the shaft to the air-com
pressor |8,_the air after performing its work in 40
the engine flowing through conduit 34 which de
livers it into a separator-tank 35 beneath a suit
ably-shaped baffle 36.
, Tank or chamber 35 is connected to the de
livery-opening I6 by a ?aring conduit 3'_l having
a louver-controlled opening 38 in its lower side,
the upper part of the interior of tank 35 being ‘
joined by conduit 39 to the conduit 28 through
a control-valve 4|, the lower part of the separator-compartment 35 having a drain—valve 42
' I
which may be opened from time to time to dis
charge the accumulated water.
I 1
An electrically-actuated fan 43 draws ,air into
the casing l2 through the wholly or partially ,
registering openings I3 and those of the damper
l4 and delivers it through the passage 38 into
the conduit 31 where it mixes with the treated
In general, the operation of this appliance is
substantially as follows, assuming that valve 29
is open and that valve 4| is closed.
?ed more or less or not at all by the air capable
of being fed through the housing by the electric
By thus not» only washing the air, but by also
humidifying it in chamber 23,»by properly regu
The electric-motor l9 and the air-engine 32
conjointly or unitedly drive the air-compressor
lating the supply of water to the sprays, the con
ditioned air is properly modi?ed 'to render it
satisfactory for use in winter when humidity is
IS with the. clutch 33 in operative condition.
Such air-compressor draws air from the out
desired or necessary to keep, the room, steam or
side of the casing into itself through the tube or
conduit 2| and after its compression discharges it
at a substantially higher temperature into the
cooling and washing chamber 23, where it is
15 Washed and cooled by the water sprays and then
freed from entrained water, including that pre
cipitated out due to the lowering of the tempera
ture of the compressed air in such chamber, by
passing around the several bailles of the series.
The water used for this purpose drains from
such tank or chamber through the piping 26
and through the encasing jackets of the air-com
pressor and maintains the latter at a suitable
temperature for efficient and satisfactory opera
25 tion, the water being delivered from the jackets
otherwise heated, in comfortable and_healthy
When thus‘ employed, the compressed air may
be cooled by 'the wash water and thus rendered
properly modi?ed to condition the air of the
room into which it is delivered.
It is notessential that the compressed air do
work in compressing air to be within the scope of
this invention, the example given above being
presented merely to illustrate how economy of
operation may be e?ected.
Throughout this description of the invention
the term “work" has been used in its broadest
meaning as would be interpreted by those
acquainted with the thermodynamics employed.
This invention-is not limited to the precise
through the discharge pipes 20.
and exact details of structure and procedure
Upon leaving the chamber or tank 23, the I hereinbefore indicated, its scope being de?ned by
washed, dried air flows through the conduit 23 the appended claim, and it is to be understood
into the air-engine 32 where through its ex
that various modi?cations and changes may be
30 pansion it does work in operating the latter, the ' resorted to without departure from the principles
air thereby becoming further cooled with a re
of the invention and without the loss or sacri?ce
sulting lowering of its percentage of absorbed of any of its material bene?ts and advantages,
moisture, the air-engine, of course, assisting in for example, the treated air may be mixed with
driving the compressor, as has been indicated.
The air discharged from the engine passes
through the chamber or compartment 35 into
the conduit 31 where it becomes intermingled
withthe untreated air ?owing through the cas
ing and such conduit by reason of the action
40 of the electric-fan, the water condensed in the
air during its expansion in the engine being
segregated out in the separator 35 and'utlmately
drained off through the valve 42.
Obviously, by controlling or regulating the ad
45 justment of the louvers of the opening 38 proper
a suitable sterilizing agent, as, for instance, one
incorporated in the water to which the air is
I claim:
A unitary, portable, room, air-conditioning sys
teni comprising a power-actuated, dense-air,
compressor-cooler-expander type of air-cooling 40
mechanism, means manually to couple and un;
couple said compressor and expander, means ar
ranged primarily to separate excess moisture
from the expanded air, valve-controlled means
to pass either cool, compressed air or expanded
air, or both, to said separator means, and means
through the opening I3 is readily attained.
for directing said moisture-free air to said room
In winter, or at any other time if desired, by - to be cooled comprising a mixing-‘chamber pro
closing valve 29, opening valve 4|, and throwing vided with an eduction inlet for air from said
50 the clutch 33 out of action, the air leaving cham
ber 23 will pass through the separating-chamber
35 and conduit 31 into the room, diluted or modi
conditioning of the air as it passes into the room
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