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Патент USA US3021702

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Feb. 20, 1962
R. s. GAUGLER
3,021,692
AIR CONDITlONING
Filed March 20, 1961
INVEN TOR.
Fig. 2
BY ic/mrd .5‘. Gaug/er
d
is Attorney
.
United States Patent 0
2
1
~
_
FIGURE 2 is a fragmentary sectional view similar
to FIGURE 1 taken along the line 2--2 thereof and shows
an endless belt odor adsorbing element in the air con
ditioning apparatus or unit.
3,li2l_,o§2
AER CGNDETHONING
Richard 3. Gangier, Dayton, @hio, assignor to General
Motors ilorporation, Detroit, Mich” a corporation of
Referring to the drawings, which are of an illustrative
character only for an understanding of the present in
Delaware
Filed
.
ii?zl?hlz
Patented Feb. 20, 1962
2t), 1%1, Ser. No. 97,054
It) Claims. (Cl. 62-271)
vention, I show in FIGURE 1 thereof a schematic ar
rangement of an air conditioning apparatus or unit, gen
erally represented by the reference numeral 1d, installed
This invention relates to air conditioning and particu
larly to removing odors from a room or the like being
within and projecting through an opening in a wall 11
conditioned by cooled air.
Heretofore there has been considerable activity in the
air cooling and conditioning ?eld of providing odor re
nated by the numeral 14 adjacent wall 11 and opposite
of a room 12 of a home or building
The area desig
room 12 represents air ambient to the room. The open
ing in wall 11 may be especially prepared for the ap
like air conditioning units. Many of these devices have 15 paratus or unit or it may be a window or the like opening
already present in the wall. Any one of several now
been in the form of a ?lter or ?lter-like bed containing
conventional arrangements (not shown) may be em
adsorption material such as activated charcoal, silica gel
ployed to mount and support unit 10 within the opening
or activated alumina. All ?lters or ?lter-like beds of this
in wall 11.
_
type have limited life and consequently have to be fre
The air conditioning apparatus or unit 10 comprises
quently replaced or at least periodically removed from
a housing or casing 15 which closes the opening in wall
the air conditioning apparatus or unit and cleaned and
11 and forms a part of this wall. Housing or casing 15
regenerated. I contemplate the provision in an air con
has
a vertical partition 16 therein dividing the interior '
ditioning apparatus or unit of a device for removing odors
moving devices for use in connection with room or the
from the air of a room or the like to be conditioned which
thereof into a ?rst chamber 17 and a second chamber
time-consuming act of manually removing, cleaning and
partment and a lower compartment. Air inlet passages
or openings 21 are provided in the lower portion of cas
device is automatically and continuously regenerated so 25 18. The one or ?rst chamber 17 of unit 10 is further
partitioned, by a horizontal Wall 19, into an upper com
as to eliminate waste of such a device or the laborious
regenerating same.
An object of my invention is to provide an air con
ditioning apparatus or unit in which air circulated there
through is deodorized in an improved fashion.
Another object of my invention is to provide an odor
adsorbing means or element in an air cooling apparatus
ing 15 and air outlet passages, openings or'adjustable
louvers 22 are provided in the upper portion of the cas-v
ing. Air from room 12 is adapted to flow into the lower
compartment in chamber 17 through the inlet openings
Eli, into the upper compartment in chamber 17 and back
into the room by way of the outlet openings 22.
or unit that is continuously regenerated so as to pro
The
long its effectiveness, eliminate its frequent replacement 35 other or second chamber 18 of unit It! is vented to air I
ambient room 12 and is preferably provided with air
and obviate periodical removal thereof from the appara
inlet openings 2-2 and air outlet openings 24. Housing
tus or unit for regeneration.
15 of unit It) contains a refrigerating system including a
Still another object of my invention is to provide an
?nned-type refrigerant evaporator 26, a motor-compres
odor adsorbing means or element for an air conditioning
sor sealed in a casing 27 and a ?nned-type refrigerant
4:0
apparatus or unit that has a portion thereof normally
condenser 28. The elements 26, 27 and 28 of the
disposed in contact with a stream of chilled air circulated
refrigerating system are connected to one another in
from a ?rst chamber of the apparatus or unit into a
closed refrigerant flow circuit relationship by pipes or
room or the like and which portion of the element is
conduits 31, 32 and 33 as is conventional in the art.
shiftable out of the ?rst chamber into a second chamber
of the unit and heated therein to liberate odors adsorbed 45 Any suitable switches or the like may be employed to
control operation of the refrigerating system as is also
from the chilled air into air ambient the room or into
conventional in the art. The refrigerant evaporator 26
a stream of air outside the room circulated through the
is disposed and supported in thelower compartment of
second chamber whereby the portion of the element is
chamber 17 of unit 10 and both the motor-compres
regenerated and readied to be shifted back into the ?rst
sor casing 27 and the refrigerant condenser 28 are dis
chamber.
50 posed and supported in chamber 18 of the unit. An
In carrying out the foregoing objects, it is a more
electric motor 36 is suspendingly supported Within cham
speci?c object of my invention to provide odor adsorb
ber 18 from a ledge or platform 37 secured to partition
ing means within an air conditioning apparatus or unit
16 and braced by an angle iron or channel member 38.
in the form of a special treated endless belt rotatable into
and out of different chambers of the unit for removing 55 A shaft 41 extends outwardly from both ends of motor
36 and carries thereon two air moving means in the
odors from a cool stream of air circulated through one
chamber of the unit into a zone or room to be con
ditioned by cool air and for liberating the odors adsorbed
thereby therefrom within the other chamber of the unit
form of a fan or blower 42 within chamber 18 and a
fan or blower 43 within chamber 17. It is to be noted
that shaft 41 projects through a hole provided therefor
in partitioning means 16 into chamber 17 so as to posi
so as to dissipate the liberated odors remote from the 60
tion blower 43 therein. A portion of blower 43 registers
conditioned air stream preferably into air outside the
room.
with and projects through an aperture 44 provided in
divider wall 19. Suitable wire or the like electric cur
rent conductors (not shown) are of course connected to
being had to the accompanying drawings wherein a pre 65 casing 27 to convey current to the motor therein, con
nected to motor 36, to the control or controls for the
ferred embodiment of the present invention is clearly
Further objects and advantages of the present invention
will be apparent from the following description, reference
refrigerating system and to other electrically energizable
shown.
means within housing or casing 15 of unit 10 and to be
hereinafter described.
FIGURE 1 is a fragmentary sectional view showing
When the motor in casing 27 is energized, the com
an air conditioning apparatus or unit embodying my in 70
pressor of the refrigerating system is operated thereby
vention installed within and projecting through an open
In the drawings:
i
ing in a wall of a room or the like to be conditioned; and
to draw vaporized or evaporated refrigerant from evapo
3
3,021,692
rator 26, through conduit 32, into the compressor which
compresses and forwards same, by Way of conduit 33,
into the condenser 28. The compressed refrigerant is
cooled and liqui?ed in condenser 28 and the liquid re
frigerant is directed through conduit 31 and. a suitable
expansion valve or restrictor (not shown) into the evapo
rator 26 for revaporization therein. Simultaneously with
4
a gear meshing with one another or are each provided
with a sprocket or cogwheel and an endless chain. Motor
52 is adapted, upon being energized, to rotate roller 53
through the driving gears or cogwheels and chain in a
manner conventional to those skilled in the art, therefore
this driving arrangement is'not herein shown and needs
no further or detailed description. Platform 37 within
chamber 18 of casing 15 of unit 16 carries a pad con
operation of the refrigerating system or upon a speci?c
other demand, motor 36 is energized to rotate shaft 41
structed of insulating material and a plurality of platens
and‘ consequently the fans or blowers 42 and 43. Oper 10 or rollers 55 are mounted thereon. Rollers or platens
ation of the blowers causes blower 4-3 to circulate air from
55 are preferably arranged in misalignment or staggered
‘room 12 into chamber 17 through the inlet passages 21 in
relative to one another. An element or endless belt 56
casing or housing 15 over or across evaporator 26. The
is looped around roller 53 driven by motor 52 and one
evaporator 26 chills the room air to a predetermined low
of the rollers 55 remote therefrom and the belt is guided
temperature and blower 45 expels the chilled air from 15 by the other of rollers 55 through apertures, slits or slots
the lower compartment in chamber 17 into the upper
57 provided in partitioning means or wall 16. Thus end
compartment therein by way of aperture 44- whereupon
less element or belt 56 has a portion or portions disposed
a chilled air stream is directed, through the passages or
within the upper compartment of chamber 17 in casing
louvers 22, back into room 12 to cool its interior and
15 of unit it) and has another portion or portions thereof
render occupants thereof comfortable particularly dur
disposed within chamber 18 of the apparatus or unit. In
ing hot weather. This ?rst chilled circulated air stream
other words a portion or portions of endless belt 56 is
is preferably insulated from contact with partition 16
and housing 15 by insulating material (not shown) lining
the interior surfaces of walls thereof. At the same time
the chilled air stream is established for cooling the inte
rior of room 12 a second air stream is created through
chamber 18 of unit 10 by blower 42. Blower 432 draws
air ambient room 12 into chamber 18 of casing or hous
ing 15 through the plurality of inlet openings or passages
23 and forces the air over or across condenser 23 to
cool, condense and liquify refrigerant therein and which
air is then discharged out of unit 14} by way of the air
outlet passages 24. Heat generated by casing 27, con
taining the motor-compressor unit, and heat generated by
or are exposed to or contacted by a ?rst chilled air stream
circulated through chamber 17 of unit it) and another
portion or portions of the belt is or are located in vented
chamber 18 and exposed to a second stream of air cir
culated therethrough. Element or endless belt 56 is
adapted to form means within casing 15 of the air con
ditioning apparatus or unit it} for removing odors from
the circulated air stream directed into room 12. and for
dissipating the odors to air outside the room. It is to be
understood that one or more of the platens or rollers 55
is or are heated in any suitable fashion and the heated
rollers thereby provide means for heating portions of
endless belt 56 within chamber 18 of the unit 1%. Elec
motor 36 is removed from the apparatus or unit 16 by 35 trically heated platens or rollers is a common and well
this secondly established air stream. The ?rst or chilled
known expedient and for this reason the speci?c con
air stream is usually ?ltered as it circulates through cham
struction of platens or rollers 55, together with the ar~
ber 17 in casing 15 so as to remove particles of dust and
rangement to conduct electric current to heaters therein
the like therefrom but few if any such units 10 are
for energizing same to heat the rollers, is not therefore
equipped with means to remove odors from room 12 40 shown nor described in detail herein. Any desired or
by the circulating cool air stream.
suitable arrangement may be utilized to heat the rollers
In air ‘conditioning apparatuses or units of the type dis
55 such, for example, as that employed to electrically
closed air withdrawn from a room or the like cooled and
heat the pressing drum in the I. Denemark Patent No.
returned thereto carries odors that are emitted into the
1,337,204, dated April 20, 1920. If a positive drive con
room. For example, the room may contain various odors
nection between roller 53, driven by motor 52, and the
caused by occupants thereof smoking pipes, cigarettes or
endless belt 56 is desired, it is to be understood that this
cigars which odors are obnoxious and objectionable to
roller may be provided with a sprocket-like wheel having
cogs thereon to register with and receive spaced-apart
perforations in the belt. A positive drive of this char
acter is conventional and well known to those skilled in
50
removing odors from the room air prior to circulating
the art and is therefore not shown herein. The element
conditioned air back into the room and for liberating
or endless belt 56 is adapted to adsorb odors from the
or transferring the removed odors to air ambient the
I air stream circulated through chamber 17 in the cool side
room. More speci?cally, the present application deals
of unit 10 and to give up its adsorbed odors within the
with providing an air conditioning apparatus or unit with
warm or hot side, chamber 18, thereof. In order to
an odor removing means or element movable into and 55 render the belt capable of doing this element or endless
out of a stream of air circulated through the unit which
belt 56 may be constructed of thin sheet aluminum alloy
adsorbs odors while being contacted by the air of the
which has been anodized throughout its length to pro
stream and which is automatically regenerated upon
duce thereon a tightly adhering aluminum oxide ?lm pos
being moved out of the air stream to thereby render same
sessed of good adsorbent properties. If it is desired to
effective to again adsorb odors when it is returned and
employ
activated carbon in the form of charcoal or the
exposed thereto.
like as the odor adsorbent means instead of aluminum
In the instant disclosure I mount a box or housing 51
oxide the element or endless belt 56 can be made of a
upon a wall of casing 15 of unit 10 in any suitable or
plastic ?lm or a fabric which supports granules of acti
desirable manner to position same within the upper com
vated carbon throughout its length. Also, a similar con~
partment, provided by wall 19, of chamber 17 thereof. 65 struction of the belt may carry silica gel. All these
An electric motor 52 is supported on box 51 with its
materials are well known for their odor adsorbent prop
other people within or upon their entry into the room.
My invention therefore primarily relates to a room or
the like air conditioner or unit provided with means for
shaft projecting thereinto. This motor 52 is preferably
erty and for their capability of being frequently heated
a clock motor or a motor provided with timed rotations
and regenerated to dissipate or liberate odors adsorbed
which are conventional and obtainable on the open mar
thereby.
70
ket so as to regulate revolutions and/or movements of
Having described the arrangement of my odor adsorb
an element to be driven thereby. I_ also support a roller
53 on box 51 which roller has a driving shaft therefor
projected into the box. The end of shaft of motor 52
ing means for the air cooling and conditioning apparatus
or unit, operation of this arrangement in unit It) will now
be explained. When the refrigerating system Within unit
and the end of shaft of roller 53 are each provided with 7,5 10 is placed in operation, electric timer motor 52 and the
3,021,692v
5
.
a
6
.
.
electric heater within one or more of the rollers 55 are
tively removed. By continuously heating and liberating
simultaneously energized.
odors from a shiftable element as disclosed, the element
is regenerated without attention by the user of the air
conditioning apparatus or unit and this eliminates the
Energization of motor 52
drives rollers 53, through the suitable gears or chain drive
as previously stated, and rotation of this roller friction
ally or otherwise rotates element or endless belt 56 in
timed fashion or speed with its revolutions controlled by
motor 52. As belt 56 is revolved by roller 53 about the
other platens or rollers 55 these other rollers are rotated
tioning apparatus equipped with my improved arrange
thereby for, in addition to guiding the endless belt, pass
ment the air therein, regardless of whether it is cooled
necessity of manually removing an odor adsorbing ?lter
bed or the like to replace same and to clean and regen
erate it. In removing odors from a room with a condi
ing same over and into contact with those platens or I0 or merely treated in some fashion, is maintained in a
rollers now being heated. ‘The air chilled by evaporator
26 is circulated, by blower 43, in a ?rst stream over ele
ment or belt 56 prior to ?owing out of casing 15 of unit
10 into the room 12 to be cooled or conditioned.
The
puri?ed, odorless state and is nonobjectionable to occu
pants thereof.
While the embodiment of the present invention as here
in disclosed constitutes a preferred form, it is to be un
circulated chilled air thereby directly contacts the odor 15 derstood that other forms might be adopted.
adsorbing material on portions of element or belt 56
located within the upper compartment of chamber 17 in
casing 15 and this material will, by adsorption, remove
odors carried by air entering unit lit) from room 12 there
from before the air of the ?rst or chilled stream thereof
is directed back into the room. Odors adsorbed by the
material on a portion or portions of element or endless
belt 56 within cool side or chamber of unit 10 are as the
belt rotates, through slits or slots 57 in partition 16, trans
ferred into the warm side or chamber 18 of the unit into
and out of which the other or second air stream is cir
culated. While the odor ladened portion or portions of
element or belt 56 are located in chamber 18 of casing 15
What is claimed is as follows:
1. in combination, an air conditioning unit having a
partition therein dividing the interior thereof into a ?rst
chamber and a second chamber, means for circulating air
through said ?rst chamber to and fro a zone to be con
ditioned thereby, means within said unit adapted to re
move odors from air contacted thereby prior to circulat
ing air out of said ?rst chamber into said zone, said odor
removing means comprising a continuously dry endless
belt rotatably mounted in said unit, said belt having sub
stantially all of its air contacting surfaces within said ?rst
chamber disposed in parallel relation with respect to air
circulated therethrough whereby the air is caused to ?ow
of unit it} and as the belt is revolved about one or more
transversely across and in contact with both sides ofthe
heated rollers 55 therein the odor adsorbing material on 30 belt, means for rotating said belt to shift said surfaces
the portion or portions of element or endless belt 56 is
thereof out of said ?rst chamber through said partition
warmed. This warming or heating of the adsorbent ma
into said second chamber, said surfaces of said belt
terial on the portion or portions of endless belt 56 causes
carrying odor adsorbing material thereon, means for
odors adsorbed thereby to be driven or liberated there
liberating odors from said belt surfaces after shifting them
from into chamber 18 so that they can be dissipated from
out of contact with air in said ?rst chamber into said sec
the chamber or unit id to air outside room 12. Cham
ond chamber of said unit, and said odor liberating means
ber 18 may be vented to air 14 exteriorly of room 12
regenerating said material before said belt surfaces are
and, as herein disclosed, the second stream of air circu
shifted from said second chamber back into said ?rst
lated therethrough by fan or blower 42 picks up the liber
ated odors and expels them along with air out of unit it).
The heating of the odor adsorbing material on or carried
by element or belt 56, in addition to liberating odors
therefrom, also regenerates or reconditions the material
to again render it capable of adsorbing odors. Thus a
chamber by said rotating means.
2. The combination de?ned by claim 1 wherein the
belt is formed of thin sheet metal and has its side surfaces
treated to provide an odor adsorbent ?lm thereon.
3. In combination, an air conditioning unit having a
partition therein dividing the interior thereof into a ?rst
portion or portions of element or endless belt 56 is re 45 chamber and a second chamber, means for circulating air
volved about rollers 53 and 55 to shift same out of the
through said ?rst chamber to and fro a zone to be
cool side of unit 10 into chamber 18 of casing 15 or
conditioned thereby, means within said unit adapted to
into the warm side of the unit and to thereafter shift
remove odors from air contacted thereby prior to cir
the portion or portions of the odor removing means back
culating air out of said ?rst chamber into said zone, said
into the cool side of the unit for continuously removing 50 odor removing means comprising a continuously dry end
odors from room 12 and for continuously regenerating
less belt rotatably mounted in said unit with all portions
the odor adsorbent material on or carried by the element
thereof movable only in horizontal planes therein, said
or belt 56. In this manner the odor adsorbent material
belt having at least two impermeable surfaces within said
or means is completely regenerated prior to its movement
?rst chamber disposed in parallel relation with respect
into contact with a stream of chilled air utilized for cool 55 to air circulated therethrough whereby the air is caused
ing, conditioning and treating the interior of a zone,
to flow transversely across and in contact with both sur—
room or the like. By employing an endless belt-type
odor removing means portions thereof are intermittently
regenerated while other active portions of same are effec
faces of the belt, means for rotating said belt to shift said
surfaces thereof out of said ?rst chamber through said
partition into said second chamber, said surfaces of said
tive to remove odors from circulated air and in this man 60 belt carrying odor adsorbing material thereon, means for
ner an air conditioning apparatus or unit is provided with
liberating odors from said belt surfaces after shifting
a substantially permanent odor adsorbing device. Since
them out of contact with air in said ?rst chamber into
in the arrangement disclosed the odor removing means
said second chamber of said unit, and said odor liberating
is operative by the separate electric timer or motor, it
means regenerating said material before said belt surfaces
may be controlled independently of other elements of 65 are shifted from said second chamber back into said ?rst
unit 10 and rendered operative by the user thereof as
chamber by said rotating means.
conditions of odor removal occur. While I show the
4. The combination defined by claim 3 wherein the belt
endless belt in the present illustration as revolving in a
is formed of thin sheet metal and has its surfaces treated
single return path in the cool side or cooling chamber of
to provide an odor adsorbent ?lm thereon.
unit 10 it is to be understood that this belt in an actual
5. The combination de?ned by claim 3 wherein the belt
installation may make numerous return paths to expose
at all times presents four impermeable surfaces to the
su?icient active area thereof to the air to be puri?ed.
interior of the ?rst chamber for contact by air circulated
It should, from the foregoing, be apparent that I have
therethrough.
provided an improved apparatus for conditioning or treat
6. In an apparatus for conditioning air in a room or the
ing air in a zone and from which zone odors are effec 75 like comprising, a casing provided with a partition divid~
8,021,692
apart air inlet and outlet passages communicating with
ingithe interior thereof into a ?rst chamber having spaced
apart air inlet and outlet passages communicating with
said room and a second chamber horizontally aligned
with said ?rst chamber and at least vented to air out
said room and a second chamber horizontally aligned
with said ?rst chamber and at least vented to air out
side the room, a refrigerating system for said apparatus
‘including a refrigerant evaporator within said ?rst cham
ber, a refrigerant translating device within said second
horizontally aligned chamber and conduits connecting
said evaporator and device in closed refrigerant ?ow cir
cuit relationship, air moving means for circulating air
from said room into said ?rst chamber over said evapo
side the room, a refrigerating system for said apparatus
including a refrigerant evaporator within said ?rst cham
her, a refrigerant translating device within said second
horizontally aligned chamber and conduits connecting
said evaporator and device in closed refrigerant ?ow cir‘
cuit relationship, air moving means for circulating air
10 from said room into said ?rst chamber over said evapo
rator to chill the air and for circulating the chilled air
out of said ?rst chamber into the room, means within
said casing ‘for removing odors from the chilled circulated
rator to chill the air and for circulating the chilled air
out of said ?rst chamber into the room, means within
said casing for removing odors from the chilled circulated
air, said odor removing means being in the form of a
air, said odor removing means being in the form of, a
continuously dry endless belt looped around vertically
continuously dry endless belt disposed wholly above said
mounted rollers disposed wholly above said evaporator
and said device, one portion of said endless belt being
located within said ?rst chamber and disposed in parallel
relation with respect to air circulated therethrough where
evaporator and said device, said endless belt having one
portion located in said ?rst chamber and another por
tion extending through an aperture in said partition and
located in said second chamber, said portions of said belt
carrying odor adsorbing material thereon, the portion of
said belt within said ?rst chamber above the evaporator
therein having impermeable surfaces disposed in parallel
relation with respect to air circulated through the ?rst
chamber whereby the air is caused to ?ow transversely
by the air is caused to flow transversely across and in
contact with both sides of the belt, another portion of
said belt extending through an aperture in said partition
and located within said second chamber, said portions of
said belt carrying odor adsorbing material thereon, means
for driving one of said rollers to cause rotation of said
belt only in a. horizontal direction about the roller to
across and in contact with both sides of the belt, means
shift said one portion of the belt out of said ?rst chamber
for rotating said endless belt to shift said one portion
into said second chamber and said another portion of
thereof out of said ?rst chamber into said second chamber
the belt out of said second chamber into the ?rst cham
and its said another portion out of said second chamber
into the ?rst chamber, means within said second chamber 30 ber, means for electrically heating a roller in said second
chamber to directly warm said shifted one portion of
associated with that portion of said belt therein for liber
the belt therein "for liberating odors from said material
ating odors from said material on surfaces thereof while
thereon and dissipating them to air exteriorly of said
the belt is in its normal dry condition and for dissipating
room, and the warming of said belt regenerating said odor
the odors to air exteriorly of said room, and said belt ro
tating means thereafter shifting said one portion of the 35 adsorbing material while the belt is in its normal dry con
dition and prior to rotating said one portion of said belt
belt back into said ?rst chamber and said another portion
back into said ?rst chamber.
thereof back into said vented second chamber of the
10. In an apparatus as de?ned by claim 9 wherein the
casing.
v
belt is constructed of sheet aluminum alloy with its sur
7. In an apparatus as de?ned by claim 6 wherein the
faces anodized to provide an aluminum oxide odor ad
belt is formed of thin sheet metal having its impermeable
sorbent ?lm thereon.
surfaces treated to provide an odor adsorbent ?lm thereon.
8. In an apparatus as de?ned by claim 6 wherein the
References Cited in the file of this patent
belt at all times presents four impermeable odor adsorb
ing surfaces to air circulated through the ?rst chamber.
UNITED STATES PATENTS
9. In an apparatus for conditioning air in a room or the 45
like comprising, a casing provided with a partition divid
ing the interior thereof into a ?rst chamber having spaced
2,l86,844
Smith ____- ____________ __ Jan. 9, 1940
2,902,834
Bosworth _____________ __ Sept. 8, 1959
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