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Патент USA US2126525

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Aug- 9, 1938-
'
R. e. ANDERSON
LOUVER CONSTRUCTION
7
2,126,525
‘
Filed Dec. 30, 1957
RobeY‘
by 77/
. A de‘r‘soh,
is ‘AttOT‘YW ey. ‘
2,126,525
Patented Aug. 9, 1-938
NITED STATES . PATENT
OFFICE
_ 2,120,525
woven oous'rauc'nou
Robert G. Anderson, Erie, Pa.,_‘assignor to Gen
eral ‘Electric Company, a corporation of New
~
Work
Application member so, 1937, Serial No. learn’
4i @laims. (@l. 98-121)
'll‘his invention relates to louvers, more speci?
motive, the side walls of which are usually of
caliy to louvers provided in openings in the side
sheet metal, they may be spot welded to the wall
walls of railway locomotives for the purpose of
as shown at it.
permitting tree passage of air therethrcugh into
the interior of the locomotive cab while excluding
blades noadditional supporting framework there-
rain or snow therefrom.
in railway locomotives, openings are usually
if effective, are'usually bulky and expensive to
construct. The, louver blades are usually ar
15 ranged in a framework and the entire assembly
mounted in the opening.
'
it is an object oi‘ this invention to provide a
simpli?ed louver construction which is light in
weight, inexpensive in design and can be mounted
20 directly on the wall of the locomotive over, the
opening without the need of an additional sup
porting framework.
"
Fora consideration of what I consider to be
novel and my invention, attention is directed to
25 the following description and claims appended
thereto in connection with the accompanying
drawing.
In the drawing Fig. l is a perspective view' of
a louver assembly embodying my invention; Fig. 2
is a cross-sectional view taken along the line
A—A of Fig. 1.
'
Referring to the drawing, l0 indicates a side
wall of a locomotive having a rectangular aper
ture i'l therein. Extending across the aperture
preferably to the inner surface of
35 and secured
the wall ‘ID are a plurality of louver blades l2
constructed according to my invention. These
blades may be formed from straps of ?at metal
‘
5
or from the left in Fig. 2, it is seen that free
passage of air is permitted through the louver
assembly into the interior of the locomotive, or
to the right. However, due to the overlapping 10
relationship of the blades, rain or snow will be
substantially precluded from passing ‘ there
through.
'
-
Having described my invention in what I now»
consider to represent the best embodiment there
of, I desire to have it understood that the spa
ci?c example shown is only illustrative and that
What I claim as new and desire to secure by
Letters Patent of the United States is:
20
1. In a louver, the combination including a
sheet metal wall having an aperture therein, a
louver blade extending across said aperture, the
ends of said blade being secured to the wall at
the edges cf‘said aperture. the section of said 25
blade extending across said aperture being de
formed with respect to said end portions thereof
so that the opposite edges of said section lie in
a plane at an angle with respect to the plane of
said wall and onopposite sides thereof, a second
blade extending across said aperture, the ends
thereof overlapping ‘the ends of said ?rst blade
and secured to said ?rst blade and to said wall,‘
the central section ofwsaid second blade lying in
a plane parallel to and spaced from the corre 35
sponding section of said first blade.
2. In a louver, the combination including a
wall having an- aperture therein, a louver blade
extending across said aperture, the ends of said
of‘the opening across which they are to extend,
Theend portions id of the blades are offset, as
blade secured to said wall adjacent said aperture,
the section of said blade extending across said
shown, preferably along the longitudinal axis of
ness of the stock, so that the'plurality of blades
may be assembled in an overlapping relation
ship, the end portions extending parallel with
the wall In. The central portions ii of- the
blades extending across the aperture are twisted
or deformed about the‘ longitudinal axis so that
these portions lie in parallel planes at a suitable
angle with respect to the plane of the wall I0
according to the amount of opening desired.
These blades may be secured in position over the
aperture by bolts through the end portions and
55 the adjacent wall ID or, if used in a railway loco-.
15
the invention may be carried out by other means. >
cut to a suitable length greater “than the length
the blades as at M, a distance equal to the thick,
45
for is required.
As viewed from the outside of the locomotive '
provided in the side walls to permit ventilation
and proper circulation of cooling air there
10 through. 'll‘hese openings are usually protected
by louver arrangements to preclude'raln or snow
from entering the cab and such arrangements,
>30
By this arrangement of the
aperture being deformed about the longitudinal
axis with respect to said end portions so that said
section lies in a plane at an angle with respect
to the plane of said wall, a second louver blade
extending across said aperture and secured to a
said wall, the ends of said second blade being ‘
provided with o?sets longitudinal of the blade so
that the offset portions of said ends overlap por
tions of the ends of said ?rst blade, the central
section of said second blade lying in a plane par
allelto and spaced from the corresponding sec
‘ tion of said first blade.
3. In a louver, the combination including a‘
sheet metal wall having an aperture therein, a
2
2,126,625
louver blade ‘extending across said aperture, the
_ endsof said blade being secured to said wall adja
cent said aperture with the section of said blade
extending across said aperture being deformed
4. A louver assembly for extending across a
wall aperture comprising a blade, the mid-section
of which is deformed about the longitudinal axis
with respect to the end portions so that the
about the longitudinal axis with respect to the ‘ opposite edges of said section lie in a plane at
end portions thereof so that said section lies in
a plane at an angle with respect to the plane of
said wall, a second blade parallel in all planes
to corresponding, planes, of said ?rst blade ex
10 tending across said aperture, the ends thereof
being provided with o?'sets so that the o?set por
tions of said ends overlap portions of the ends
of said ?rst blade, the end portions of said second
blade being secured to said ?rst blade and to
15 said wall.
an angle with respect to the plane of said end
portions and on opposite sides thereof, a second
blade having end portions overlapping the end
portions of said ?rst blade and secured thereto,
the mid-section of said second blade deformed 10
about its longitudinal axis with respect to its end
portions and lying in a plane parallel to and
spaced from the corresponding ‘section of said
?rst blade.
-
ROBERT G. ANDERSON.
15
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