close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2405518

код для вставки
Aug.v 6,> 1.946..
n
l
_
Y
l. B. PoLEvrrzKY
ILLUMINATING
DEVICE
Filed Nov. 14, 1945
` -2,405,518
-
’
2 Sheets-Sheet 1
, www ~ „
Aug» 6» 1946-
>
l. B. POLEVITZKY-
2,405,5È8
ILLUMINATING DEVICE
-Filed Nov. 14, 1945
2 Sheets-«Shee’rl 2
ÀLWQMW
Patented Aug. 6, 1946
2,405,518
UNITED STATES PATENT -QFFICE
2,405,518
ILLUlt/m‘lATlNG DEVICE
Igor B. Polevitzky, Miami, Fla.
Application November 14, 1945, Serial No. 628,516
6 Claims.
(Cl. 176-122)
l
2
The present invention relates generally to il
luminating devices of the gaseous discharge type.
serve as a source of illumination, such as mer
Fig. 1 is a side View of a lamp embodying the
present invention, a portion of the illuminating
unit being broken away to provide a side view
of the partitions;
Fig. 2 is a plan view of the illuminating space;
Fig. 3 is a perspective view of the illuminating
cury vapor, neon or argon or other gases. \
chamber;
The invention may be applied to the several types
of discharge lamps which employ any gas or vapor
which will sup-port an electric discharge and
f)
The main object of the present invention is to
provide a lamp of this type, in which illumination
is obtained from a relatively large area. In the
Fig. 4 is a face view of a modification which
provides two discharge paths;
present invention, therefore, the body of illumi
Fig. 5 is another modifications which provides
four discharge paths; and
nating gas is disposed over a relatively large area,
being confined substantially between a pair of
confining disks. For the purpose of providing
diagram.
Fig. 6 is ’a schematic illustration of the wiring
Referring to the drawings, it will be seen that
relatively narrow discharge paths between the 15 the present illuminating device comprises a
electrodes employed in the space, the space is par
standard screw base It, a housing I I which con
titioned in such a manner that it forms one or
tains the auxiliary equipment and the illuminat
more labyrinthine passages. In the present in
ing unit I2. The illuminating unit I2 comprises
a cup-shaped receptacle I3 having an outward
vention, therefore, the discharge electrodes are
disposed at the ends of the labyrinthine passages 20 ñange I G. This cup-shaped element I3 may be
and the latter serve as the path for the illuminat
of any suitable material such as glass molded
ceramic or any suitable plastic or stamped metal
or the like. The space within the cup-shaped
ing discharge.
Another aim of the present invention is to pro
vide a plurality of such labyrinthine passages in
the relatively :fiat space, these several passages
forming several paths, which cooperate to yield.
a large area source of illumination.
.
Another object of the present invention is to
provide an illuminating device of the type de
scribed in which the several discharge paths are
inter-leaved or inter-related in a manner >as to
give the effect of a single source of illumination.
container I3 is in the form shown in Fig. 2 parti
tioned into a, single labyrinthine passage I5 by
means of the single spiral partition I6, which
extends from the center of the chamber to its
side Wall. The partition I6 like the container I3
may be made of any suitable material, and pref
30 erably of the same material as the container.
The partition I6 is lodged directly against the
bottom I'I of the container I3 and has its inner
[C un
A still further object of the present invention
end I8 shaped in the form of a semi-circle as
is to provide an illuminating device of the type
shown in Fig. 2. The other end of the spiral par
described and in which the current- in some of 35 tition is curved as shown at I9 and abuts against
the passages is caused to lag or lead with refer
the side wall of the container I3.
ence to the current in other passages, thereby
The electrode filaments 20 and 2l are mounted
substantially eliminating any flicker effect and
as shown at the ends of the labyrinthine passage
rendering the illumination substantially uniform.
I5; the electrode 20 being disposed as shown near
Another object of the present invention is to 40 the curved end I9 of the partition IB, and the
provide a fluorescent lamp in which the ñuores
electrode 2| being disposed as shown across the
cent material is activated by a gaseous discharge
curved portion I8 of the wall I6. The electrode
through one or more sinuous or labyrinthine» pas
filaments may be disposed in a more or less verti
cal position as shown in Fig. 3.
-
sages, thereby providing an area source of il
lumination with the entire area emitting light 45
The cover glass 22 is disposed over the face of
the chamber I 3 and is sealed by any suitable
Other objects and` advantages of the present
means to the ñange I4 thus providing a hermeti
invention will be understood by persons skilled in
cally sealed space Within the chamber. The par
the art by reference to the accompanying draw
tition Itâ preferably extends flush with the outer
ings and the following specification and descrip 50 face of the flange It and preferably touches the
uniformly.
tion thereof; it being understood that these are
illustrative of the present invention and that
variations thereof will be apparent to persons
skilled in the art.
In the drawings: .
`
inner face of the glass cover 22.
‘
The inner face of the container I3, the inner
face of the glass plate cover 22, as well as the
sides of the partition I6 are coated with any
55 suitable fluorescent material. In the process of
2,405,518
5
6
tween opposing electrodes serving as a source of
illumination.
3. An illuminating device comprising a metal
other, thermionic electrodes mounted in the hous
ing at each end of said passages, lead-ins for the
electrodes, and a suitable gas ñlling said housing
and providing a discharge path between opposing
housing, having a substantially ñat bottom wall
and a substantially flat transparent cover plate Ul electrodes serving as a source of illumination.
5. An illuminating device comprising a metal
parallel to the bottom wall, a iiuorescent coating
housing, having a substantially flat bottom wall
on the inner face of said cover plate, convolute
and a substantially ñat transparent cover plate,
partitions in said housing, dividing the same into
a convolute metal partition in said housing pro~
a plurality of spiral passages, all of substantially
the same length, each extending from substan 10 viding a spiral passage therein extending from
tially the center to the periphery' of the housing
substantially the center to the periphery of the
and separated from each other by a single Wall
housing, the partition extending from the bottom
extending from the bottom wall to the cover plate,
wall to the cover plate, said housing and partition
said housing and partitions being coated by an
.being coated by an insulating enamel, thermionic
insulating enamel, thermionic electrodes mounted 15 electrodes mounted in the housing ateach end of
in the housing at each end of said passages, lead
said passage, lead-ins for the electrodes, and a
ins for the electrodes, and a suitable gas ñlling
suitable gas ñlling said housing and providing a
said housing and providing a discharge path be
discharge path therein serving as a source of illu
tween opposing electrodes serving as a source of
illumination.
mination.
`
6. An illuminating device comprising a metal
4. An illuminating device comprising a sealed
housing, having a substantially flat bottom wall
flat housing, having a substantially ñat bottom
and a substantially flat transparent cover plate,
Wall and a substantial1y~ñat transparent cover
a convolute metal partition in said housing pro»
plate parallel to the bottom wall, a fluorescent
viding a spiral passage therein extending from
coating on the inner face of said'cover plate, con 25 substantially the center to the periphery of the
volute partitions in said housing dividing the
housing, the partition extending from the bottom
same into a plurality of spiral passages, all of subm
wall to the cover plate, said housing and partition
stantially the same length, each extending from
being coated by a fluorescent insulating enamel,
thermionic electrodes mounted in the housing at
substantially the center to the periphery of the
housing and separated vfrom each other by a sin 30 >each end of said passage, lead-ins for the elec
trodes, and a suitable gas ñlling said housing and
gle Wall extending from the bottom wall to the
providing a discharge path therein serving as a
cover plate and fixedly attached to the housing
source of illumination.
only to maintain the same rigidly within the
IGOR.Í B. POLEVITZKY.
housing without sealing the passages from each
Документ
Категория
Без категории
Просмотров
0
Размер файла
445 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа