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Патент USA US3045588

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July 24, 1962
w. L. MCGRATH
3,045,578
AIR DISTRIBUTION ASSEMBLY
Filed June 30, 1959
2 Sheets-Sheet 1
FIG. I
FIG. 2
INVENTOR.
WILLIAM
L. ' McGRATH.
BY
ATTORNEY,
July 24, 1962
w. L. MCGRATH
3,045,578
AIR DISTRIBUTION ASSEMBLY
Filed June 30, 1959
2 Sheets-Sheet 2
68 69
III
an.
.19 /
/62
l
iI
FIG. 7
PK; 5
INVENTOR.
WILLIAM L. McGRATH.
BY
;
J
.
,
ATTORNEY.
United States Patent O?fice
1
3,045,578
William L. McGrath, Syracuse, N.Y., assignor to Carrier
AIR DISTRIBUTION ASSEMBLY
Corporation, Syracuse, N.Y., a corporation of Dela
ware
Filed June 30, 1959, Ser. No. 824,066
13 Claims. ((11. 98-40)
3,045,578
Patented July 24, 1962
2
grille a baf?e plate is positioned having a plurality of slats
through which air may pass prior to being discharged
from an air conditioning unit. Depending on the posi—
tion of the slats in relation to the vanes, the air is caused
to be discharged at an angle to the grille corresponding
generally to that of the vanes or alternatively, in a direc
tion perpendicular to the grille. A handle or other
manipulating means may be provided to enable the user
This invention relates to an air distribution assembly
to adjust to the desired position of the ba?le and to ob
and more particularly to an improved air distribution as 10 tain thereby the desired distribution pattern for the air.
sembly for distributing conditioned air in a plurality of
alternately selected directions.
The speci?c constructional details of preferred embodi
ments of this invention will become apparent by a con
sideration of the attached drawings wherein:
In distributing air such as may be provided by an air
FIGURE 1 is a perspective view of an air conditioning
conditioning unit, or other source thereof, it is desirable
to provide more than one pattern in which the air may 15 unit showing a front panel of an air distribution assembly
be discharged from the unit. This is particularly desirable
constructed according to this invention;
FIGURE 2 is a fragmentary back view similar to
in the case of room air conditioners where the unit may
FIGURE 1 of the front panel of the air conditioning
be located in a variety of positions with respect to the
occupants of the room or other area being conditioned.
Under certain circumstances individual occupants of the
room may desire that the air conditioning unit discharge
the conditioned air stream into the room directly towards
the occupants, whereas under other corcumstances or
when used by other individuals such distribution may be
unit illustrated therein;
FIGURE 3 is a cross sectional view of an air distribu
tion assembly taken substantially on line III——III of FIG
URE 2 showing the baf?e employed in a position to dis
charge air in a direction perpendicular to the assembly;
FIGURE 4 is a cross sectional view of an air distribu
considered objectionable. It is, therefore, customary to 25 tion assembly similar to FIGURE 3 with the baffle in a
provide some means whereby an alternate pattern of air
distribution may be achieved. The distribution pattern
may desirably provide for discharge of conditioned air
position to discharge air at an angle to the assembly;
FIGURE 5 is a cross section view of a modi?ed air
distribution assembly;
FIGURE 6 is a front elevational view of a modi?ed
air towards the ceiling of the room when the air condi
tioning unit is being employed as a room cooler, because 30 air distribution panel;
air near the ceiling of a room is generally warmer than
the air nearer the ?oor and cool air discharged towards
the ceiling tends to fall promoting better circulation and
cooling of the room than might be obtained by other
FIGURE 7 is a cross sectional View of an air distribu
tion assembly taken substantially on line VII—VII of
FIGURE 6;
FIGURE 8 is a cross sectional view of an air distribu
Furthermore, if the air condi 35 tion assembly showing another modi?cation thereof.
Referring more particularly to the drawings, there is
tioning unit is of a type which may alternately be em
distribution patterns.
ployed as a heat pump where it is desired to warm the
shown in FIGURE 1 a room air conditioner 10 of the
air entering the area being conditioned, it is desirable that
type generally known as a portable air conditioning unit,
the warm air from the unit, which has a tendency to
rise, be discharged in a more nearly horizontal direction.
which may be employed as a room cooler or as a heat
From a manufacturing standpoint it is desirable that the
means employed to selectively discharge conditioned air
The changeover in operation may be accomplished either
at the desired point be inexpensive, easily assembled, have
pump to warm the air in the room in which it is used.
by a reverse cycle valve or by merely reversing the posi
tion of ‘the air conditioning unit in the window in which
it is placed so that either the evaporator or the condenser
as few parts as possible, and be reliable in operation.
Accordingly it is a principal object of this invention to 45 is in heat exchange relation with the air being discharged
into the room. While only a front panel assembly will
provide an improved air distribution assembly adapted to
be described in this speci?cation it should be under
be used in conjunction with an air conditioning unit or
stood that the air conditioner may, if desired, have a
other air source whereby the pattern of air distribution
similar side or rear panel as for example in cases where
may be easily selected by the user thereof.
‘It is a further object of this invention to provide an 50 it is of the type which is adapted to be reversed in the
window to ‘secure an alternate mode of operation. It
air distribution assembly which is inexpensive to manu
will also be understood that words such as front, rear,
facture, is easily assembled, employs a minimum of parts
vertical, horizontal are employed throughout for pur
and is reliable in operation.
poses of description and are meant to be relative rather
It is a further object of this invention to provide an
air distribution assembly having minimal thickness and 55 than to imply limitations.
Air conditioner 10 is provided with a front air distribu
which can therefore be used in connection with other ap~
tion panel assembly 11 which for purposes of description
paratus such as an air conditioning unit without material
can be said to be relatively thin and therefore lying sub—
ly increasing the overall dimensions of the apparatus.
stantially in a plane although it will be understood that
It is a further object of this invention to provide an air
distribution assembly which requires only a single mov 60 the panel assembly has thickness as shown in FIGURE 3.
Front panel assembly 11 is provided with an air distribu
ing part.
tion grille designated generally as 12. Grille 12 which
It is a further object of this invention to provide an
also can be said to lie in a plane comprises a plurality of
air distribution assembly having a pleasing external ap
vanes 13 which are parellel to each other, spaced from
pearance which presents substantially the same aesthetic
effect regardless of the selected direction of air flow 65 one another and have a curved face 13a disposed at a pre
determined inclination to the plane of the grille. Vanes
therefrom.
13 may extend completely across the louvered portion of
These and other objects of this invention which will
panel 11, or as shown in FIGURE 1 may be supported
become more apparent from a consideration of the speci
at one or more intermediate portions across their width
?cation and drawings are achieved by providing a grille 70 for structural rigidity. Since vanes 13 are spaced from
for an air distribution panel having a plurality of angu
one another they form between adjacent vanes a plurality
larly disposed vanes therein. Adjacent the vanes of the
of apertures '14 in grille 12. Because the vanes are set in
3,045,578
3
4
the grille at an angle, their projection in the so-called
plane of the grille is a dimension less than their actual
width measured along their acutely inclined surface 13a.
In other words, in the position shown in FIGURE 3, slats
As can best be seen from a consideration of FIGURE 3,
vanes 13 are spaced from one another by a distance sub~
stantially greater than their projected dimension in the
plane of the grille. This spacing is shown in the embodi
ment of FIGURE 3 to be at least twice as great as the
projected dimension of the vanes in the so-called plane of
23 cover the section of apertures 14 opposite the acutely
inclined face of vanes 13. In this position air passing
through the assembly avoids the vanes and is unobstruct
edly discharged perpendicularly from the grille as shown
by the arrows in FIGURE 3 because apertures 14 in the
baf?e are aligned with the unobstructed portion of aper
tures 24 in the grille.
When the slats 23 assume the position shown in FIG
the grille (which could be any geometic plane parallel 10 URE 4 by moving baffle 15 downwardly from position
with the faces of the grille). Apertures 14 formed in
the grille, therefore, have an unobstructed space for air
to pass through the grille without having to contact and
shown in FIGURE 3, slats 23 cover another portion of
apertures 14 extending downwardly from the upper of
the two adjacent pairs of vanes forming apertures 24. In
be deflected by the vanes. Vanes 13 of the embodiment
this position air passing through the assembly is forced
shown in FIGURE 3 are curved in order to give at least 15 into contact with the inclined portion of vanes 13 and is
portions thereof an inclined disposition with the plane of
discharged at an angle to the grille as shown by the arrows
the grille but it will be understood that other shapes and
in FIGURE 4 because apertures 24 in the ba?le are aligned
con?gurations of vanes are satisfactory for the purposes
with inclined faces 13a of the vanes.
of this invention providing they have portions disposed
FIGURE 5 shows a modi?ed embodiment of the air
at an acute angle or inclination to the plane of the grille
distribution assembly shown in FIGURE 3. Ba?le plate
so as to impart an angular direction to a stream of air
15’ of FIGURE 5 is generally similar to the ba?le shown
passing in contact therewith.
in FIGURE 3 except that manipulator handle 58 com
Referring now particularly to FIGURE 2, there is posi
tioned adjacent and behind grille 12, a ba?le plate 15
which is mounted in a plane substantially parallel to the
plane of the grille. In the embodiment shown, the ba?le
is conveniently mounted on panel 11 by a fastener 16
prises an integral tongue projecting outwardly from the
top of panel 51. Apertures 54 are formed by the adjacent
vanes 53 in grille 52. Vanes 53 of this embodiment differ
from those of the preceding embodiment in that they are
generally V shaped in cross section having a portion
thereof comprising one leg 55 of the V extending at a
which is generally convex in cross section and made of
predetermined acute angle with the plane of the grille
spring material so as to frictionally retain ba?le 15 in
contact with panel 11. IIt is necessary to permit limited 30 thereby forming acutely inclined ?at face 55a and having
reciprocating movement of baffle 15 in the plane thereof
as well as to ?x the direction of movement thereof.
The
means shown in the drawing for accomplishing these
the other leg 56 extending substantially perpendicularly to
the plane of the grille. In addition, separator bars 57
having perpendicularly disposed face 57’ remote from
vane faces 55a divide apertures 54 of the grille into two
functions comprise projpections 19 which may be integral
with panel 11, and corresponding slots 20‘ in battle 15 35 substantially equal sections 59 and 60 and serve to direct
the ?ow of the air from apertures 24' in a direction per
of a width just sufficient to receive the outer dimension
of projection 19. Slot 20 as shown in FIGURE 2 has a
pendicular to grille 52, when ba?le 15' is in the position
length greater than the corresponding dimension of pro
jection 19, and is of length which permits the desired
shown in FIGURE 5, as indicated by the solid arrows.
When baffle 15' is raised by the operation of manipu
reciprocating movement of ba?le 15 but limits the extent 40 lator handle 58 to the position shown in broken lines in
of that movement by engagement of the ends of slot 20
FIGURE 5, slats 23’ and apertures 24’ carried by the
with projection 19. The ends of baf?e 15 are shown re
baffle will ‘be raised from a position in which they cover
tained in engagement with panel 11 by the provisions of
lugs 17 on each side of the panel which ride in shallow
recesses 18 in ba?le 15.
the one section 60 of apertures 54 opposite vanes 53 to
a position where they uncover sections 60 and cover an
45 other section 59 of apertures 54 extending in the oppo
site direction from separator bars 57, and will conse
quently direct the air in an angular direction substan
tially determined by the inclination of leg 55 to the plane
respective vanes 13 and may extend continuously across
of the grille as shown in broken lines.
the entire dimension of ba?le 15, or as shown in FIGURE
FIGURE 6 shows a modi?ed embodiment of the in
2 may be more rigidly supported by a plurality of ribs
vention wherein a pair of air distribution grilles 62
25 which for aesthetic reasons may correspond in position
comprise air distribution panel 61. In this embodiment
to the structural supports provided for vanes 13, In either
it will be observed that parallel vanes 63 differ from the
event, pairs of adjacent slats 23 may form a plurality of
horizontal vanes in the preceding embodiment in that
apertures 24 carried by ba?le 15 which correspond with
they are disposed at an angle to the horizontal. The air
apertures 14 in grille 12. The slats should have a width
distribution assembly of this embodiment is shown in
su?icient to cover the inclined faces 13a of vanes 13, so
that air passing through apertures 24 is not de?ected by
cross sectional detail in FIGURE 7. A pair of baffle
the vanes but ?ows unobstructedly through the assembly
plates 75 carry slats 73 and apertures 74 at an angle
to the horizontal corresponding to the angular disposi
in one position of the baffle. The slats should have a
width less than the width of apertures 14 in the grille so 60 tion of vanes 63. Fastening means similar to that shown
in FIGURE 2 may secure baffles 75 to grilles 62. Ma
that the passage of air through the assembly is permitted.
Manipulating handle 28 having brackets 29 projecting
nipulator handles 63 are provided for each of ‘baffles 75
from grille .12 and coacting with ba?le 15 may be provided
and move horizontally in slots 69 to limit the reciprocat
for selecting the desired position of slats 23 with respect
ing movement of the baflle between the desired portions.
to vanes 13. A pair of L-shaped brackets 29 are shown 65 Vanes 63 are generally similar to the vanes in the de
connecting manipulator 28 to bathe 15.
scribed embodiment of FIGURE 5 and apertures 64 are
formed between adjacent pairs of vanes in each grille
In operation, slats 23 and apertures 24 may be posi
to permit the passage of air therethrough. It will be
tioned as shown in FIGURE 3 in one position of the
observed that separator bars 76 have ‘been added to the
baf?e, or alternatively baffle 15 may be reciprocated so
that slats 23 and apertures 24 assume the position shown 70 grilles to assure a more positive directional ?ow in the
direction of the solid arrows when ba?le 75 is in the posi
in FIGURE 4 with respect to grille 12. As shown in
tion shown.
FIGURE 3, slats 23 extend upwardly from one of two
In the position shown in FIGURE 7, slats 73 cover one
adjacent pairs of vanes 13 forming apertures 14 and cover
section 65 of apertures 64 in grille 61 and the other sec
the portion of apertures 14 extending from the lower edge
of each pair of adjacent vanes which form the aperture. 75 tions 66 are uncovered. In this position, ‘air passing
Ba?le plate 15 carries a plurality of slats 23. Slats 23
substantially correspond in position and spacing with
3,045,578
5
6
through the air distribution assembly is de?ected by the
When a ba?le 85 is in the position shown in full lines
acutely inclined curved faces 63a of vanes 63, which are
in FIGURE 8, air passing through apertures 84 will con
inclined at an acute angle to the plane of grille 61, as
tact the acutely inclined surfaces of vanes 87,‘ and the
shown by the solid arrows in FIGURE 7.
exposed surface of acute leg 88, and will be directed ups
When manipulator handles 68 are moved inwardly to
wardly as shown by the solid arrow. When baffle plate
wards the center of panel 61, ‘as shown in FIGURE 6,
85 is moved downwardly slats 83 will be moved into the
slats 73 carried by baffles 75 Will be moved downward
position shown in broken lines in FIGURE 8, and air
ly from the position shown in FIGURE 7 thereby cover
passing through the assembly will contact the perpen
ing the sections 66 of apertures 64 between separator
dicular faces 87b of vanes 87 and the perpendicular faces
bars 76 and the lower adjacent vanes and uncovering sec 10 89 of slats 83, ‘and will be directed perpendicularly to the
tions 65. Air passing through the assembly will then be
plane of grille as shown by the broken arrow.
discharged perpendicularly to the grille as shown by the
The operation of this invention in its various embodi
broken arrows in FIGURE 7.
ments has been described with reference to the extreme
It will be observed that the diagonal vanes of the two
positions of the ba?ie plate with respect to the grille.
grilles in FIGURE 6 are disposed at an angle relative 15 It will be appreciated, however, that the battle plate may
to the horizontal and are oppositely angled relative to
assume intermediate positions such that the slats carried
one another. This construction is well adapted to the
thereby partially cover the inclined portion of the vanes
use of a separate baffle for each grille, and separate
and partially cover the unobstructed portion of the grille.
manipulators for each ba?le. However, if it is desired
These intermediate positions of the slats are useful be
to use in a single manipulator handle the same can be 20 cause under such circumstances a portion of the air
done by providing a single baffle with the slats in the
same relative position as when a pair of ba?les is em
passing through the air distribution assembly is directed
in a direction perpendicular to the plane of the grille and
another portion of the air passing through the assembly
ployed. In this case the movement of the balfle plate
across one of the grilles will be slightly different from
is directed at an angle to the plane of the grille. When
that across the other grille. Because of the different 25 the two streams of air converge they tend to combine
inclinations of the vanes in the two grilles, the slats of
thereby providing intermediate distribution patterns at
the ba?le will move in a downward direction across the
various angles between the patterns provided by the
vanes of one grille while the slats of the other ba?le
will move in an upward direction as the bal?e is moved
two extreme positions of the ba?ie.
The operation of the described embodiments of this
diagonally across the panel. This will not necessarily 30 invention may be thought of in two ways. Looking ?rst
alter the functioning of the two grilles in the panel be
at the slats carried by the baffles described in the various
cause as can be observed from the FIGURE 7 it makes
embodiments of the invention, it will be observed that
no difference in the function of the assembly whether
the slats are of a width sui’?cient to cover the projection
slats 73 of ba?le 75 move upwardly or downwardly from
of the acutely inclined faces of the vanes in the plane
any given position as long as slats '73 ‘are sufficiently 35 or" the grille when they are opposite the faces of the vanes.
wide to cover substantially half of the apertures 64 and
The slats also have a width such that when the inclined
if separator bars 76 ‘are disposed substantially at the
portion of the vanes are covered at least a portion of
midpoint of these apertures.
the unobstructed apertures between the vanes in the grille
An advantage to be gained from the use of grille of
are uncovered so that air may pass directly through the
the type shown in FIGURE 6 is that when it is desired
panel in a direction perpendicular thereto. Thought of
to circulate cool air from an air conditioning unit to
wards the ceiling of the room in which the unit is placed,
the air is displaced both upwardly and ‘at an ‘angle to
the unit thereby promoting circulation ‘about the side
in this way, the slats move covering one or another por
tion of the apertures between the vanes thereby directing
air in a perpendicular or an angular direction. Thinking
about the operation of this invention in another way, the
walls of the room. Another advantage to be gained from 45 apertures in the bathe plates can be said to move thereby
the construction shown in FIGURE 6 where separate
aligning themselves either with the inclined face of the
baffles are used between each grille is that air may be
vanes or with the unobstructed apertures between the
directed upwardly and side-wise from one grille towards
vanes, consequently directing the air either in an angular
a far corner of the room, and ‘at the same time air pass
direction or in a perpendicular direction to the plane of
ing through the other grille may be directed straight out
wardly if desired. It will be appreciated that numerous
patterns of air distribution are possible which separate
baffles employed with the construction shown in FIG
URE 6. For example, air may be directed generally
the grilles.
While speci?ed preferred embodiments of this invention
upwardly at an angle to the grille and fanned outwardly
from the center of the panel assembly thereby providing
example any of the grilles illustrated in FIGURES 2, 5,
7, and 8 are adapted to be used with either the panel shown
have been described in detail it will be understood that
these forms of this invention have been presented by way
of illustration rather than limitation. The invention may
straight out from each grille or the air may be directed 55 take various forms within the scope of the claims. For
air diffusion and‘ freedom from drafts. In addition, any
in FIGURE 1 or the panel shown in FIGURE 6. Like
desired combination of these patterns may be ‘achieved by
wise, other forms of grilles and ba?‘le plates may be em
separately adapting each ba?le and- any intermediate posi 60 ployed together for the purpose of this invention. It will
tion between the described extreme patterns may be
be appreciated for example that separator bars such as
achieved by adjusting the baf?es to a position part way
shown in FIGURE 5 and FIGURE 7 may be added to
between their extreme positions.
the grille of FIGURE 3 if desired. Vanes with either
In the modi?cation shown in FIGURE 8, grille 81
flat or curved inclined faces may be employed success
has vanes 87 and apertures‘ 86 between adjacent pairs of 65 fully in the various embodiments shown.
vanes similar to the embodiment shown in FIGURE 7.
While I have described a preferred embodiment of my
Instead of the‘ separator bars shown in the preceding
invention,
it will be appreciated that various modi?ca
‘ embodiment, a ba?le plate 85 having molded, riveted, or
tions may be made by those skilled in the art without de
otherwise secured thereto a plurality of channel shaped
slats 83 is employed. Each of slats 83 carried by baffle 70 parting ‘from the spirit and scope of my invention. I
therefore do not wish to be limited to the construction
plate'85 have extending therefrom one leg 88 facing an
,acutely inclined curved faces 87a of vanes 87 and is
-
acutely inclined with respect to the plane of the grille
and the bathe. Slats 83 may have another leg 89 per
pendicularly disposed to the aforementioned planes.
shown since it may be otherwise embodied within the
scope of the following claims.
I claim:
1. An assembly for directing air alternately in a plu
75
3,045,578
rality of directions, one of which is perpendicular to the
plane of said assembly, and another of which is at an
angle to said plane comprising an air distribution grille
3. An air distribution assembly as de?ned in claim 2
comprising a pair of said grilles, the vanes of each of
the grilles being disposed at an angle to the horizontal
and the vanes of one grille diverging from the vanes of
the other grille, and a pair of said bathe plates having the
having a plurality of spaced angularly disposed rigid
vanes, each having a face thereof disposed at a prede
further having a plurality of apertures formed therein be
tween adjacent pairs of spaced vanes, said apertures form
respective slats carried thereby disposed at a correspond
ingly diverging angle to direct air through said assembly
upwardly and outwardly when said slats are in said other
ing a corresponding plurality of air how passages posi
position.
termined inclination to the plane of said grille, said grille
tioncd between respective spaced vanes so that air may 10
pass through said grille, said vanes being spaced apart
a distance greater than the geometric projection thereof
in the plane of said grille so that the upper edges of said
4. An air distribution assembly, as de?ned in claim 3,
wherein said bathe plates are independently slidable with
respect to each other.
5. An air distribution assembly comprising a grille hav
ing a plurality of spaced vanes disposed parallel to one
vanes extend upwardly a distance less than the distance
between the vanes, a bathe plate, means to slidably mount 15 another, each said vane having an acutely inclined face
at predetermined angle to the plane of said grille, said
said bathe plate adjacent said grille in a plane substan
vanes being spaced apart a distance greater than the geo
tially parallel to the plane of said grille for movement
metrically projected dimension of said vanes in the plane
in the plane of said bathe, a plurality of spaced slats
of said grille so that the upper edges of said vanes ex
carried by said bathe, said bathe further having a plu
rality of apertures formed between adjacent pairs of 20 tend upwardly a distance less than the distance between
the vanes, a plurality of apertures formed in said grille
spaced slats, said apertures between said slats forming
between adjacent pairs of said spaced vanes adapted to
air passages through said bathe, said slats having a width
permit air to pass through said grille, a portion of said
less than that of the corresponding apertures between
apertures being unobstructed by said vanes, a bathe plate,
said vanes in said grille, each of said slats being disposed
on said bathe so as to cover only a portion of said aper
tures in said grille extending from the respective adja
cent vanes when said bathe is in one position with the
slats opposite the acutely inclined faces of said vanes
thereby directing air passing through said assembly in
a perpendicular direction to the plane of said grille,
and to cover only another portion of said apertrues in
said grille extending from the other respective adjacent
vanes when said bathe is in another portion thereby di
25 means to slidably mount said bathe plate adjacent to and
in a plane substantially parallel with the plane of said
grille, said bathe plate having formed therein a plurality
of apertures adapted to be aligned with said unobstructed
portions of said apertures in said grille and thereby adapt
ed to permit air to how unobstructedly through said ap
ertures in said bathe and in said grille in a direction per
pendicular thereto, said apertures in said bathe vbeing
further adapted to be aligned opposite the said acutely
inclined faces of said vanes to impose a corresponding
recting air passing through said assembly in an angular
direction to the plane of said grille, and manipulating 35 angular direction to air adapted to how through said as
sembly when said bathe is in another position thereof,
means coacting with said bathe to enable the selection
and manipulating means to select the desired position of
of the desired position of said slats thereby to select the
said bathe thereby to select the desired direction of air
desired direction of air ?ow through said assembly.
flow from said assembly.
2. An air distribution assembly comprising a grille hav
6. An air distribution assembly according to claim 5
ing a plurality of parallel vanes each having a face there 40
wherein said bathe plate is mounted on said grille to form
of disposed at a predetermined acute inclination with
a unitary assembly.
the plane of said grille, said vanes ‘being substantially
7. An air distribution assembly according to claim 5
parallel to each other and spaced apart to form aper
wherein said assembly comprises a pair of said grilles
tures in the grille between adjacent pairs of vanes for
passing air through said grille, said vanes being spaced 45 and a pair of said bathe plates and wherein said vanes
and the apertures formed in said grille and the apertures
apart a distance greater than the geometrically projected
formed in said bathe extend in an angular direction with
dimension of said vanes in the plane of said grille so
respect to a horizontal plane when said assembly is in a
that the upper edges of said vanes extend upwardly a
vertical position and said apertures in a ‘grille and bathe
distance less than the distance between the vanes, a bathe
diverge from the aperture in the other grille and bathe.
plate mounted adjacent said grille in a plane substantially
8. An air distribution assembly according to claim 7
parallel to the plane of said grille, a plurality of slats
wherein said bathe plates are independently slidable with
carried by said bathe, said slats being spaced from each
respect to each other.
other to ‘form a plurality of apertures in said bathe cor
9. An air distribution assembly comprising a grille
responding to the apertures in said grille, said apertures
having a width less than the spacing between said vanes 55 member having a plurality of spaced parallel vanes, a
face of each of said vanes being disposed at a predeter
in said grille, means for slidably mounting said bathe for
mined acute inclination to the plane of said grille mem
limited motion in a direction in the plane of said bathe,
her, said grille having apertures formed between adjacent
said bathe being positioned so that said slats cover only
pairs of said spaced vanes adapted to permit the passage
a portion of said apertures in said grille extending from
one vane of each of the adjacent pairs of vanes, thereby 60 of air through said grille, separator bars disposed between
said vanes having a face thereof perpendicular to the
shielding the acutely inclined face of said vanes when
plane of said grille thereby dividing each of said aper
said bathe is in one position, and said slats covering only
another portion of said apertures extending from their
respective adjacent other vanes, thereby exposing said
tures into two sections, a bathe plate, means to mount
said bathe plate adjacent and substantially parallel to the
acutely inclined faces of said vanes when said bathe is 65 plane of said grille for limited reciprocating movement
in the plane of said bathe, a plurality of slats carried
in another position; and manipulating means coacting
by said bathe having corresponding portions spaced apart
with said ‘bathe to select the desired position of said slats
a distance substantially corresponding to the spacing of
with respect to said vanes to direct an air stream adapted
said vanes, said bathe having apertures formed therein
to pass through said panel in a direction perpendicular
thereto when said slats are in said one position opposite 70 between said spaced slats and corresponding in location
to said apertures in said grille, said apertures in said
said inclined faces of said vanes and adapted to direct
bathe being adapted to permit passage of air therethrough,
said air stream through said assembly at an angle there
each of said slats being positioned relative to said aper
to when said slats are in said other position whereby said
tures in said grille so as to substantially cover one of
slats cover said other portion in said apertures and said
grille.
75 said two sections formed between a separator bar and
3,045,578
9
19
an acutely inclined face of an adjacent vane when said
ba?le is in one position, said slats being of a width such
that the others of said two sections are uncovered when
a baffle plate, means to mount said baffle plate adjacent
to and in a plane parallel with the plane of said grille
for limited recirpocating movement in the plane of said
baifle, a plurality of slats carried by said ba?ie, said slats
being spaced apart and parallel to one another to form
apertures in said ba?le between adjacent pairs of said
slats for permitting the passages of air therethrough, said
said baffle is in said one position thereby permitting air
to How through said assembly unobstructedly in a direc
tion perpendicular to the plane of said grille, and said
slats substantially covering the others of said sections
between separator bars and the other of said pair of
slats comprising‘ generally channel shaped members each
having a pair of portions forming said channel extending
said ba?le is in another position thereby permitting air to 10 towards said grille from said slat, one of said portions
adjacent vanes and uncovering said one section when
flow through said assembly at an angle to the plane of
said grille, and manipulating means coacting with said
ba?’le to move said slats from said one position to said
other position.
10. Air distribution assembly as de?ned in claim 9
where said vanes have a leg having a face disposed sub
stantially perpendicular to said plane of said grille to guide
air in a similar direction when said baffle is in said one
position.
being inclined at an acute angle to said plane of said
ba?‘le and the other of said portions being disposed sub
stantially perpendicularly to the plane of said battle, the
acute portion of said slats facing respective acutely in
clined faces of said vanes, said slats being arranged to
cover a portion of the apertures in said grille opposite
the inclined portion of said vanes in one position of said
grille whereby air is adapted to be directed through the
said apertures in said assembly in a direction perpendic
ular to the plane of said grille, said slats being adapted
11. An air distribution assembly as de?ned in claim 9
to cover another portion of said apertures in said grille
wherein the face of said vanes inclined to said plane
when said baf?e is in another position thereof whereby
of said grille comprises a ?at surface.
air is adapted to be directed through the apertures in
12. An air distribution assembly as de?ned in claim 9
said assembly and across the inclined faces of said grille
wherein the face of said vanes inclined to said plane of
said grille comprises a curved surface.
25 and said slats at an angle to the plane of said grille, and
manipulating means coacting with said ba?ie to move
13. An air distribution assembly for directing air in a
plurality of directions comprising a grille having a plu
said slats from said one position to said other position.
rality of vanes each of which has a face thereof acutely
inclined with the plane of said grille, said vanes being
References Cited in the ?le of this patent
spaced apart a distance greater than their geometric pro
UNITED STATES PATENTS
jection in the plane of said grille so that the upper edges
of said vanes extend upwardly a distance less than the
1,982,125
Stacy _______________ __ Nov. 27, 1934
distance between the vanes, said vanes being disposed
2,077,734
Anderson ____________ __ Apr. 20, 1937
parallel to one another and having apertures formed
2,474,152
Levy _________________ __ June 6, 1949
at a location between adjacent pairs of spaced vanes in 35 2,976,795
Brugles ______________ __ Mar. 28, 1961
said grille for permitting the passage of air therethrough,
UNITED STATES PATENT OFFICE
CERTIFICATE OF CORRECTION
Patent No. 3,045,578
July 24,. 1962
William L. McGrath
It is hereby certified that error appears in the above numbered pat
ent req'iiring correction and that the said Letters Patent should read as
corrected below.
Column 1, line 23, for "corcumstances" read -- circumstance:
——; line 29, strike out "air", first, occurrencej; column 2v line
' 64, for "parellel" read —- parallel -—; column 3, line 14, for
"deffected" read —- deflected -—; line 34, for "projpections"
read —— projections ——; line 43, for "provisions" read
—- provision —-;
line 52,
for "13," read —— 13,,
—-:
same column
3, line 56, for "faces" read —— face —-; column 5, line 20,
strike out "in"; line 72, for "faces" read -— face --; column
9,
line 9, for '"section" read -- sections —-.
Signed and sealed this 11th day of December 1962.
(SEAL)
Attest:
ERNEST w. SWIDER
DAVID L- LADD
Attesting Officer
Commissioner of Patents 7
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