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Патент USA US2111206

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March 15, 1938.
s. M. COE
lFiled Aug. lO, 1956
2 Shée‘bS-Sheet l
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March 1'5, 1931s.
s, M, COE
Filed Augt 10, 1956
2 sheets-sheet 2
Ei :25€
'Patented Mu. 15, 193s
Simeon M.'Coe, Madison, Wis., assigner of one
half to Harlow Pease, Wanwatosa, Wis.
Application Aam: 1o. 1936, serial No. 95,298
12 claims. (ci. 21a-_40)
This invention relates to improvements in the points about the interior of the tubular electrode
I5 I provide guides I8 of insulating material
art of vaporizing medicaments and other mate
which define the vertical path of movement of
`It is the primary object of the invention to the spherical float I2 and determine the mini
I ' provide an improved device and method for -va
porizing certain materials which are apt to co
- agulate at the surface when vaporized between
ordinary immersion type electrodes. It is my
objective to provide for the evaporation of the
l0 liquid almost entirely' in the surface stratum
thereof, whereby the agitation and movement in
cident to the evaporation will break up any
mum spacing of such ñoat from the tubular elec
trode l5.
An insulated conductor I9 is connected with
electrode I5, and the bridge conductor I0 and
the electrode conductor I9 are both led to a con
ventional electrical receptacle 20, to which an
extension cord- may be applied to impress the
usual lighting circuit of III! to I2II volts upon
coagulation, and will also tend to prevent de'- . the electrodes I2 and I5.
posits on the walls of the container, and will make
15 impossible the bridging of ‘solids upon electrodes
which in `many devices short circuits the elec
trodes and prevents the normal function of the
Other objects pertain to details of -construc
20 tion and will appear more fully from the followf
ing disclosure.
In the drawings:
Figure l is a view in axial section of a Vaporiz
ing device embodying my invention.
Figure 2 is a similar view showing a modified
construction of the apparatus.
Figure 3 is a view in axial section showing a
still further modified embodiment of the inven
Figure 4 is aview in transverse section taken
on the line 4--4 in Figure 3.
Figure 5 is a plan view of the iioat used in the
Figure 2 construction.
Figure 6 shows, in plan, a modiñed embodiment
35 of float usable in the Figure 2 construction.
Like parts are identified by the same reference
l characters throughout the several views.
The container 1 holds a body of vaporizable
liquid such as those inhalants used in respiratory
diseases. The level of the liquid in the con
tainer will vary in use, and at the moment stands
at the point indicated in Figure 1. The container
has a discharge spout l for the vapors and a clo
ß sure l which may be removed for the insertion of
additional supplies of liquid.
Below the closure the mouth of the vessel is
bridged by a conductor Il, from which depends
a conductor I l which is preferably helically coiled
u but has no particular resilience and serves merely
to convey the current to a spherical float I2.
Resting on the bottom of the container 1 is a
tubularvelectrode I5 having slots >IB at frequent
`intervals to permit free movement of the liquid
u to the interior of the electrode. At three or more
Since the greatest diameter of the float will
be at or near the surface of the liquid, and since 15
this portion of the float will approach most close
ly to the tubular electrode I5, it will be apparent '
that practically all of the current traversing the
body of liquid in the container 'I will pass through
such liquid in the stratum thereof substantially
at the surface. The heating effect occasioned
by the resistance of the liquid will therefore pro
duce great agitation and ebullition in this sur
face stratum in the evaporation of the liquid.
The resulting movement of the liquid will pre
vent any bridging of solids between the elec
trodes such as might otherwise occasion short
circuiting, and I have found devices employing
this principle can be operated successfully in
liquids of such density that they would speedily
incrust and stop the operation of a conventional
immersion type evaporator heater.
In the construction shown in Figure 2 the con
tainer 1I differs only in form from that already
described. The conventional electrical recep
tacle 2li is mounted on a member IIN which spans
the mouth of the container immediately below
the cover SII. In this construction both of the
electrodes are floated, electrode IZB being mount
ed on a disk-like central float I2I, and electrode
ISI being mounted on an annular concentric float
I5I. The respective floats may be connected by
the spacers 22, and the leads 23 and 2l may be
used to connect the electrodes |20 and |50 respec 45
tively with the helically coiled and substantially
non-resilient conductors III and III which are
supplied with current from the receptacle 20.
This gives an arrangement which is mechanically
balanced so that insofar as the conductors III 50
and III are subject to tension they will not
unduly tilt the compound ñoat which carries the
electrodes. Like the device already described,
the electrodes |20 and ISI will be uniformly
spaced, and in this instance each. electrode is of
such slight vertical extent as to' assure the pas
sage of substantially all oi' the current through
dielectric means for guiding and positioning said
the top stratum of the liquid only.
the delivery through spout BII of the vapors there
5. In a device of the character described, the
combination with a receptacle for a liquid to be
vaporized for medicinal purposes, said receptacle
being provided with a vent for the discharge of
, -from, will prevent incrustation until substantially
the vapor of such liquid and having electrical
all of the vaporizable material has been elimi
nated from the contents of the container 1|.
'I'he device shown in Figure 3 vis very similar
to that shown in Figure l, but in this device all
terminals, of a ,iioat of convex form having its
greatest diameter no lower than the level oi the
The violent ebullition which occurs upon the
heating of such liquid to the boiling point, and
liquid upon which said iloat is buoyant, the iioat 10
comprising an electrode and being provided with
portions of the electrical apparatus are assem
bled upon the closure 8i, which may be inter
a ilexible connection to one of said terminals,
means providing a complementary electrode ex
changeably positioned in any suitable vessel '|2.
The electrical receptacle 20| has connections to
the tubular electrode |52 and through the helical
conductor, I Ill to the spherical ñoating electrode
I2 in the, manner already described.
The device shown in Figure 6 may be used
tending at least as high as the surface of liquid
in said receptacle, and provided with a connec~
vtion to the other of said terminals, whereby the
current passing between said electrodes will be
ccncentrated at the surface tllm oi' the medicated
y interchangeably with the float shown lin Ii‘igure,>
5 in the apparatus shown in Figure 2. The elec
6. In a device ot the character described, the
combination with a vented receptacle for 'a medl
trodes |22 and |52 are tubular concentric helices,
cated liquid, said receptacle being provided with
closed at their ends to comprise ñoats and main
tained in spaced relation by the tie member 25
25 to which the successive turns of each helix are
electrical terminals, of an electrode comprising
a. iloat buoyant upon the medicated liquid in
said receptacle, and having a bottom upwardly
liquid in said receptacle.
At points substantially equidistant
convex toward a point at least as high as the
from the center I may provide terminals 230 and
2“ to which the helical conductors ilii and ||I
level of such liquid, whereby the maximum wetted
of Figure 2 may be secured.
30 ' The several helical conductors herein described
diameter of the iloat will be no lower than such
level, and a second electrodel having portions dis
posed about the periphery of said iloat at the
liquid level in said receptacle, means supporting
have been referred to as being substantially with
out elasticity, but it will be understood that they said second electrode from said receptacle, and
have sufllcient elasticity to resume their form means connecting said second electrode with one
after they have been tensioned by the downward of said terminals, said second electrode being pro
35 movement of the float. They do not, however, vided with an opening between said portions for
have sufilcient elasticity to have any appreciable the circulation between said electrodes of the
lifting eil'ect on the ñoat, and in each instance liquid in said receptacle.
7. In a device or the character described, the
the iloat will therefore preferably establish an
electrical >conducting path through the liquid in combination with a vented container for vapor
lzable liquid. of a float having a submerged por
40 the apparatus in the stratum o! the liquid imme
dlateLv adjacent the surface.
tion increasing in cross section to a maximum at
least as high as the level oi the liquid in said re
I claim:
1. ‘A -method oi vaporizing liquid for medicinal
purposes, which method consists in passing a
45 current through a stratum of said liquid imme
diately adJacent the surface thereof in sumcient
intensity to heat such stratum to the point of
vaporization independently of other portions of
said li'quid.
2. In a device o! the character described, the
combination with a tubular electrode and a iioat
electrode reciprocable therein, of means spacing
said electrodes, Íand means providing electrical
connections respectively thereto.
3. In a device oi' ‘the character‘degrihed, the
combination with ~a container- for vnporizable
v liquid, oi' a relatively ?xed tubular electrode hav
ing at least a portion'arrangedï for immersion
in the liquid insaid container, a spherical elec
tioned within the tubular electrode, means for
ceptacle on which the iloat is buoyant, said float
comprising an electrode, a second electrode hav
ing portions peripheraliy spaced about said iloat,
and means connecting said portionsy in spaced
relation to permit liquid circulation therebetween,
electrical connections to the respective electrodes,
and means for guiding. said ?oat whereby to main
tain it in spaced position between the portions oi
the second electrode.
8. In a device oi the character described, the
combination with a vented receptacle provided i
with a iilling opening and a closure therefor, oi
electrical terminals mounted on said receptacle,
a iloat in ,said receptacle comprising an electrode
~vremovable through said opening and electrically
connected with one of said terminals, >a. tubular
electrode positioned on the bottom ci’ the re
ceptacle and encircling said iloat, and means con
necting the tubular electrode »with another oi
' spacing said electrodes, and means i'or providing ' said terminals.
yelectrical'connections thereto.
4.1n s device of me charmer deœnbemi
for the
with a
with means providing electrical connections
mounted on said receptacle, a iioat comprising
- an electrode
a flexible connection with-
one oi’ saidelectrical connections, and a com
plementary electrode` encircling said neat and
ilxed in said receptacle and provided with a con
ductor'leading to another oi' said electrical con-y
nections.- said complementary electrode having
9. In avdevice of thecharacter described, the
combination with a_ vented receptacle provided
on said receptacle.
a noat in said receptacle comprising an electrode`
removable‘through said opening and electrically
connected ,with one of said terminals, a -tubular
'_electrodepositioned on the bottom of the recep
tacle and encircling said iioat, and means con
necting the tubular electrode with another oi said
being provided.with spaced means for the guid
ance of said float.
10. In a device of the character described, the
combination Withâa receptacle having an aper
ture provided with a cover and an open vent, of
a pair of electrodes individually receivable
thropgh said aperture, one of said electrodes com
prising a stationary element mounted on the bot
tom of the receptacle and provided with guide
10 means, and the other 4oi’ said electrodes compris-
ing a float guided by said means to rest upon the
\ surface of the liquid in said receptacle; a bridge
spanning the opening of said receptacle, a flexible
electrical connection to said iioat supported by
said bridge, and a separate electrical connection
to the ñrst mentioned electrode. v
3 .
opening, a closure for said opening, and an open
vent, _of means spanning said receptacle imme
diately beneath said closure, a pair of electrodes
receivable into said receptacle through said open
ing, at least one of said electrodes comprising a
iloat, and electrical connections to said electrodes,
'at least one of said connections being flexibly
expansible and supported by means spanning the
opening of said receptacle.
12. In a device of the character described, the 10
combination with a receptacle, of an electrode
iioat therein,`a second electrode having portions
spaced from each other about the periphery of
said ñoat, means for suspending the secondv elec
' trode from the receptacle, and electrical connec- 15
tions to the respective electrodes.
11. In a device of the character described, the
combination with a receptacle provided with an
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