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July 22, 1947;
Filed April 15, 1944
Patented July 22, 1947
William R. P. Delano, New York, N. Y., assignor
to Richard Delano, Inc., Setauket, N. Y., a cor
poration of New York
Application April 15, 1944‘,: Serial No. 531,270
6 Claims.
(Cl. 219-45)
This invention relates in general to humidi?ers
and in particular to a simple apparatus for hu
midifying air.
Other objects of the invention will in part be
obvious and will in part be described hereinafter.
According to the present invention, there is
It is characteristic of rooms heated by means
being unaccompanied by any supplied moisture,
provided a, portable humidi?er and light source
comprising, the combination of, a liquid contain
er, an electric lamp positioned free of the con
gradually dries out the air in the room and thus
tainer, a wick of ?brous material having one end
of radiators or direct ?red stoves that the heat,
extending in the liquid in the container and the
other end in direct contact with the lamp where
the skin, and other objects that may be in the
room, with deleterious effects. On the other 10 by the wick is heated to evaporate liquid there
from without materially reducing the illumina
hand, it is well known that during the winter
months the atmosphere contains less moisture
In one embodiment of the invention there is
than in other seasons and this de?ciency fre
provided a combined electric lamp and liquid con
quently gives rise to chapping of the skin, dry
tainer having a threaded end adapted to be
ing of the mucous membrane, as well as causing
screwed into a conventional electric light socket
evaporation of moisture from various objects.
It has been proposed to equip buildings and in
and a ?brous wick extending from within said
container and over the electric lamp.
dustrial plants with humidi?ers of various types
In another embodiment there is provided a
for conditioning the air, but most of the indus
trial humidi?ers and air conditioning units are 20 liquid container having a threaded end adapted
characterized by being (a) extremely expensive,
to be screwed into a conventional electric light
(1)) requiring complicated equipment or (0) re
socket and one wick or more extending from said
container and adapted to be disposed over one
quiring a large water supply so that the industrial
or more adjacent electric lamps.
humidi?ers heretofore devised are not applicable
In another embodiment there is provided a
for air conditioning small rooms or chambers in
combined humidi?er and table lamp having a liq
a simple and inexpensive manner.
Some attempts have been made, unsuccessfully,
uid reservoir in the base thereof, and one or more
wicks extending from said reservoir and adapted
to use an electric light as a source of heat in
to be disposed over one or more electric bulbs of
portable humidi?ers, but these prior devices have,
inter alia, the following disadvantages: The light
the lamp.
has been enclosed in a secondary container, thus
All of the above embodiments are character
obscuring the light and preventing its use for
ized by a combination of functionally important
illumination. The wick has been placed on the
features, namely, (a) the wick is in direct con
outside of the secondary container and not in
tact with the major portion of the surface of the
lamp; (1)) the liquid reservoir is positioned either
direct contact with the bulb so that heating effi
ciency is seriously reduced; the Water reservoir
below or at one side of the lamp so as not to
obscure the light or reduce the surface area of
surrounds the bulb so that the wick contacts only
a fraction of the bulb surface, thus reducing very
the lamp which may be contacted by the wick;
materially the amount of water evaporated.
(c) and, in the preferred forms of these em
Therefore, it is a general object of the present
bodiments, the length of the wick is greater than
_invention to provide a simple and inexpensive
that necessary to reach from the liquid to the
portable device for humidifying air which will
lamp, so that the wick may be renewed by cut
be free of the defects and disadvantages of prior
ting off the soiled top portion as needed; and (d)
the wick is preferably tubular and knitted so that
it can conform and contact a large area of the
It is a speci?c object of the invention to pro
vide means for humidifying air by using conven
In another embodiment there is provided a hu
tional heating elements which are normally avail
midi?er comprising a liquid reservoir, a web of
able in residences and industrial establishments.
?brous material arranged and adapted to pass
It is a further object to provide a combined
through the liquid in such container, a resist
lightsource and humidi?er.
water is slowly evaporated from furniture, books,
ance-type electric heating element positioned ad
lament the reservoir, and means to pass the said
?brous web in position to be heated by the heat
of a more or less continuous web, the web being
positioned so as to pass into contact with the
liquid prior to being heated.
ing element whereby water is evaporated from
By Way of illustrating but not by way of limit
the web.
5 ing the invention, there will be shown and de
For a more complete understanding of the na
scribed a number of embodiments of the humidi
ture and objects of the invention, reference should
be had to the accompanying drawing in which
In the embodiment shown in Fig. 1, there is
Fig. l is a side elevation, partly in section, of
provided a liquid reservoir H] which surrounds
a portable humidifying device for use in connec 10 a cylinder H having a threaded end I2 adapted
tion with standard table and ?oor lamps;
to ?t into a conventional light socket l 3, the upper
Fig. 2 is a perspective view of one embodiment
end of the cylinder ll having threads adapted to
of a portable humidi?er for use in connection with
receive the threaded end M of an electric light
electric lamps;
bulb l5. In the top of the liquid reservoir is an
Fig. 3 is a perspective view of another embodi 15 opening l6 through which a wick I l of ?brous
ment of the humidi?er adapted to be used in con
material may pass, the wick extending from the
nection with bracket lamps;
liquid in the reservoir up to and over the top of
Fig. 4 is a side elevation, partly in section, of a
the bulb [5. There is also provided a second open
combined table lamp and humidi?er in accord
ing I 6a having a cap I "I through which liquid may
ance with one embodiment of the present inven 20 ‘be introduced into the reservoir [0. To avoid
dripping of water from the wick [1 into the elec
Fig. 5 is a perspective view of a portable humid
trical connections at the base of the bulb ii,
ifying apparatus in accordance with a further em
there may be provided a rubber gasket or collar
bodiment; and
l8 which surrounds the base of the bulb l5. It
Fig. 6 is a cross-section of the device of Fig. 5 25 should be noted that the reservoir and the en
taken along the line 6—6 thereof.
closed cylinder I I may be sold and marketed as a
It should be understood that the heat source
separate unit since it is adapted to ?t into a con
employed in the humidi?er of the present inven
ventional electric light socket and to receive a
tion may be any suitable device, but preferably is
conventional electric light bulb. In the particu
an electrical resistance-heating element, such, for
lar embodiment shown in Fig. 1, the reservoir is
example, as an electric light bulb, an infra-red
conical-shaped on the bottom so that it may
light bulb, an ultraviolet lamp, and the like. How
nestle in the base of a re?ector ball 19 for a table
ever, the invention is not limited to the use of
or ?oor lamp. It is to be understood, however,
electrical heating sources since the humidi?er
that the device comprising the reservoir IQ, the
may employ any heating or lighting device utiliz 35 wick I1 and the bulb [5 may be used independent
ing oil, gas, alcohol, and the like. For example,
of any lighting ?xture.
the wick of the present humidi?er may extend
In that embodiment shown in Fig. 2, the res
over or be placed in contact with the chimney of
ervoir lOa has a threaded end l2a adapted to be
an oil lamp or lantern. “Lamp” is used in the
?tted into a standard electric light socket while
claims in a generic sense.
40 the electric bulb is adapted to be ?tted into a sec
The liquid reservoir of the present invention is
ond socket adjacent thereto, and the wick I‘!
extends from the reservoir and covers the top
not preclude the use of reservoirs which are con
of the adjacent bulb IS, the base unit 20 having
tinuously fed with water from a prime source.
a threaded end l2a adapted to fit any standard
The reservoir may be of any desired con?gura 45 electric lamp socket. In this embodiment, the
usually small and portable but the invention does
tion, rectangular, round, cylindrical or spherical,
reservoir 10a is provided with a hinged cover 2|
and it is preferably positioned adjacent to, or
having a hole 22 therein through which the wick
under the lamp bulb so as not to materially reduce
the illumination. As a practical matter, the liquid
In that embodiment shown in Fig. 3, a single
reservoir may be a separate vessel, a vase, a lamp 50 liquid reservoir I 0b is employed in conjunction
base, or a household utensil, and may therefore
with a plurality of heating units, such as the
serve a dual purpose. The invention also in
cludes the use of a plurality of small liquid reser
voirs fed from a, syphon or otherwise from a com
electric light bulb l5. In the device illustrated
in Fig. 3, the reservoir is adapted to be ?tted to
a wall bracket 9 and may be supported thereon
mon larger reservoir. The liquid reservoir may be 55 by means of the hooks 23 ?xed to the sides of
separate from or affixed to the lamp.
the container Hlb. The hinged lid 2| is provided
For the wick there may be employed any suit
with a plurality of holes through which the wicks
able ?brous material, such, for example, as a
I‘! pass and cover the respective bulbs l5.
paper, felt, or fabric made by weaving, knitting,
In that embodiment shown in Fig. 4, the liquid
braiding, netting and the like but it is preferably 60 reservoir 10c comprises the lampbase, the base be
a- tubular knitted member. The ?bres in the
ing ?tted with a cap Zia provided with one or
paper, felt or fabric may be natural or synthetic
more holes through which wicks I‘! pass upward
?bres and where heat resistance is required, the
and cover the lamp bulbs l5. The electric wiring
paper, felt or fabric may be formed of siliceous
65 24 preferably passes directly through the lid 21a
?bres, such as glass, mineral wool, or asbestos
so that it does not come in contact with the liquid
?bres in whole or in part. The ?brous material
carried by the wicks. If the lamp base, which
may comprise staple ?bres and/or continuous ?l
serves as a reservoir [00, is transparent, the liq—
aments andmay have any suitable con?guration,
uid may be advantageously colored to give a pleas
that is, the wick may be ?at, round or tubular.
ing decorative effect.
In the now preferred embodiment the wick is
In all of the embodiments heretofore described,
formed of a tubular knitted fabric which is adapt
the heating source has been illustrated by use of
ed to berstretched over any common heating or
an electric light bulb. In all such embodiments
lighting ?xture. The wick may be a discontinuous
the bulb serves a dual function of causing the
piece of ?brous material or it may be in the form 76 evaporation of the water from the wick to in
crease the humidity of the atmosphere and also
to eliminate unpleasant odors from bathrooms,
as a light source, since even with wicks formed
smoke-?lled rooms, kitchens, and warehouses.
Also, there may be added to the reservoir per
fumes and essences for imparting pleasant odors
to the humidi?ed air.
of relatively opaque yarns, the light is not mate
rially reduced by the presence of the wick. How
ever, it should be understood that the invention
is not limited to the use of a heating element
which is also a light source. Therefore, in the
embodiment shown in Fig. 5, the heating ele
Thus, there has been provided by the present
invention, a simple, inexpensive device for h'u
midifying and conditioning air, which is read
ily adapted to be used with heating elements
ment may be a black lamp bulb lEa which is en
closed in the upper part of a box 25 having a 10 available in the common household, or in stores,
hingedtop 26 provided with a plurality of slits‘
21 to permit the passage of water vapor. The
lower part of the box 25 is adapted to hold water
and serves therefore as the liquid reservoir.
warehouses, refrigeration plants, tobacco fac
tories and other industrial esablishments. Since
the device is portable and the wicks readily re
placeable, the device can be placed in operation
permit re?lling the lower section with water the 15 and discontinued with a minimum of trouble.
box may be divided lengthwise and a hinge 28
Moreover, in the place of table and floor lamps,
provided so that the box may be opened, ?lling
the humidi?er is substantially unnoticeable and
the lower section with water. In this embodi
does not detract from the appearance of such‘
ment the wick Ila comprises a substantially con
light ?xtures. Further, the device does not re
tinuous Web of liquid absorbent material. The 20 quire a continuous supply of water and does not
web may be wound into a roll I8 and the roll
require any moving parts, such as motors, fans
allowed to rest on the bottom of the container
and the like.
more or less submerged in the liquid, the free end
Since certain changes may be made in the
of the Web Ila passing up and over the heating
above construction and diiTerent embodiments of
unit l5a. The embodiment shown in Figs. 5 and 6 25 the invention could be made without departing
provides a simple portable humidifying appara
from the scope thereof, it is intended that all
tus, in which the bulb I5a is used solely for the
matter contained in the above description or
evaporation of water from the wick Ha. When
shown in the accompanying drawing shall be in
the wick becomes soiled from the collection of
terpreted as illustrative and not in a limiting
dust and is otherwise deteriorated by the heat, 30 sense.
the lid 26 may be opened and a fresh section
Having described my invention, what I claim
of the web Ila drawn over the bulb I5a.
as new and desire to secure by Letters Patent is:
When the wick is not made of a heat-resisting
1. In a combined humidi?er and light source,
material such, for example, as asbestos, glass
the combination of a lamp adapted to generate
?bres and the like, the charring of the wick when 35 heat, a liquid container arranged and positioned
the liquid in the reservoir has become exhausted
not to obstruct light from said lamp, a wick of
may be prevented by providing an aquastat which
?brous material having one end extending in the
will function to disconnect the heating element [5
liquid in said container and the other end in
when the water level in the reservoir has dropped
below a predetermined level. For example, there 40 direct contact with said lamp whereby liquid
drawn from said container through said wick will
is shown in Fig. l a circuit breaker comprising
be evaporated by the heat from said lamp with
the poles 3!] which are disposed in the interior
out materially reducing the illumination there
of the liquid reservoir I0 so that there is a gap
from, said wick having a length greater than
between the poles. If a small amount of an
electrolyte, such as common table salt, is added 45 that necessary to extend from the liquid in said
container to said lamp so that the wick may be
to the water when the water level drops below
the upper pole 3;), the electric circuit will be
renewed by cutting off the top portion as re
broken and the lamp turned off. In Fig. 6 there
is illustrated a second embodiment of a circuit
2. The combination of an electric lamp hav
breaker comprising a ?oat 3! ?xed to the end 60 ing an elongated base provided with threads on
of a lever 32, the opposite end serving to throw
the lower end thereof, a liquid container sur
a switch in the box 33 to break the electric cir
rounding said elongated base and a wick of
cuit when the water in the box 25 has dropped
?brous material having one end extending in
below a predetermined level. It is to be under
the liquid in said container and the other end
stood that any other conventional means may be 65 in direct contact with said lamp whereby liquid
employed for shutting off the heating element
drawn from said container through said wick will
when the water level has dropped to a predeter
be evaporated by the heat from said lamp with
mined point. When such devices are employed,
out materially reducing the illumination there
the wick may be made of any material which
will normally char if exposed to the heating source 60
3. The combination of an adapter having a
when dry.
threaded post adapted to be screwed into a con
While the invention is particularly adapted for
ventional electric light socket and two threaded
conditioning rooms with respect to humidity, the
adapted to receive electric ?xtures posi
device may likewise serve to sterilize the air in
chambers by adding to the liquid in the reservoir 65 tioned in the top of said adapter, an electric lamp
screwed into one of said recesses, a liquid con
a volatile germicide such, for example, as chlo
tainer having a threaded base and screwed into
ramine-T, hexyl resorcinol, phenyl ethyl resor
said other recess, and a wick of ?brous mate
cinol, phenol, cresol, and volatile aldehydes, in
rial having one end extending in the liquid in
particular formaldehyde. In this case the heat
will not only cause the evaporation of water but 70 said container and the other end in direct con
tact with said lamp whereby liquid drawn from
also the volatilization of the germicldes.
said container through said wick will be evapo
The device of the present invention may also
rated by the heat from said lamp without mate
be used for purifying air with respect to odors,
rially reducing the illumination therefrom.
in which case there may be added to the liquid in
the reservoir activated chlorophyll which serves 75
4. The combination of a liquid container hav
2,424, 9 68.
ing a threaded endadapted to be screwed into a
conventional electric light socket, and a wick of
The following references are of record in the
file of this patent:
?brous material having one end extending in
the liquid of said container and the other end
adapted to be disposed on the surface of an adja 5
cent electric light bulb.
5. In an apparatus as recited in claim 1, in
Soreng et a1 _______ __ Jan. 13, 1925
which the ?brous wick comprises a tubular
Clyne ___________ __ Mar. 28, 1939
knitted fabric.
10 1,601,097
Alanson _________ __ Sept. 28, 1926
6. An apparatus as recited in claim 1 in which
Blaschke ________ __ June 30, 1925
the fibrous wick comprises a. substantially end
Odlum __________ __ Sept. 10, 1929
less web of ?brous material.
Dever ____________ __ Oct. 22, 1929
Dever ____________ __ July 12, 1932
Clyne ____________ __ July 26, 1938
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