1. No category

G. P. R. VON KOCH.
METHOD OF PRODUCING CONTINUOUS 0R CONSTANT ELECTRIC DISOHAEGES IN GASES.
’
APPLICATION FILED MAB.- 20, 1911.
1,1 15,625.
Patented Nov. 3, 1914.
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CARL FABIAN RICHERT VON KOCH, OF STOCKHOLM, SWEDEN.
‘METHOD OF PRODUCING CONTINUOUS OR CONSTANT ELECTRIC DISCHARGES IN GASES.
Speci?cation of Letters Patent.
1,115,625.
Application ?led March 20, 1911.
To all whom it may concern .'
Be it known that I, CARL FABIAN R1
Patented Nov. 3, 1914.
Serial No. 615,700.
source of current 8. By these means it is
possible to obtain continuous electric dis
CHERT VON K0011, a subject of the Kin of charges, without any considerable resistance
Sweden, residing at Stockholm, in the King being included in the circuit, even if the
dom of Sweden, have invented a new and
useful Method of Producing Continuous or
60
average speed of the gases amounts to 50 or
100 meters per second, or still more. So
Constant Electric Discharges in Gases, of great a speed is desirable when the heated
whichthe following is a speci?cation, ref gas or gases are to be rapidly cooled, for in
erence being had to the drawing accompany
stance by causing the same to ?ow into a 65
cold room, or against a cold current of air
It is well-known that, in using electric or water or the like, or by using cooled elec
arcs for producing reactions in gases, in trodes, or otherwise. The walls of the
ductive or other resistances must be included chamber 5 suitably consist of insulating ma
in the circuit of the arc, in order to secure terial. As such a material a layer of cold 70
15 a sufficient stability of '"the same. The said air or other gas introduced at or near the
resistances decrease the effectiveness of the electrodes may be used. The pairs of elec
source of current feeding the arc and, never trodes may be connected in parallel, or in
theless, cannot prevent the arc from being series, and they may be of any number ac
10 ing and forming a part hereof.
.
rather easily extinguished by rapid move
20 ments of the gas or gases.
The object of thls invention is to pro
is obtained by using two pairs of electrodes,
duce continuous or constant electric dis
as shown in the drawing. If the said pairs
of electrodes are connected in series, the in
tensity of current tends to be about the same
charges in gases, without the said draw
25
cording to the number of discharge gaps.
Generally, a su?iciently high temperature
back arising.
The invention consists, chie?y, in supply
in both discharge gaps.
ing gas or gases to the discharge gap or
It has proved to be particularly advan
75
80.
gaps in a heated condition in which they tageous to give one or more of the electrodes
are wholly or partly electrically conductive. the form of a ring or short pipe or tube
By this means it has been possible to obtain serving at the same time as a passage for 85
30 electric discharges of incomparably greater gas or gases to be treated. If desired, two
stability and having otherwise quite other adjacent electrodes, such as 4 and 6, may be
properties than those of the electric arcs replaced by a single electrode, which in such
hitherto known.
case is common to both discharge gaps. The
In the drawing, I have shown diagram burning or overheating of the electrodes
36 matically a contrivance adapted to be used may, obviously, be prevented by cooling the
90
for carrying my improved method into ef
fect.
same by water, or air, or otherwise.
The gas or gases supplied may suitably
Referring to the drawing, 1 is a chamber have a rotary movement imparted to the
same by which they will also be more evenly
distributed. The quantities of energy sup
is formed between the electrodes 3 and 4. plied from the sources of current to the dif
The gas or gases to be treated are supplied ferent discharge gaps may be varied accord
to the chamber 1 and heated therein to a ing to the results to be attained. Instead of
temperature in which they are wholly or two sources of current more than two or a
in which an electric are supplied with cur
95
40 rent from a generator or source of current 2
45
partly electrically conductive. From the single one may be used.
chamber 1 the gas or gases pass into the
100
The source of
current may consist of a continuous or al
chamber 5 which communicates with the ternating current generator or a trans
former and in which the process forming former. If a multiphase generator is em
50
the subject-matter of this invention takes ployed, each separate phase may advanta
place. The chamber 5 suitably has the geously be used for supplying current to one
form of a tube which may have a constant of the discharge gaps.
105
The electric are or arcs used for heating
cross-sectional area which may taper ' to‘
ward one end, as may be desired. As the the gas or gases into an electrically con
heated gas reaches this chamber, electric ductive state may also be combined with or 110
replaced by some other source of heat.
55 discharges will take place between the elec
trodes 6 and 7 connected to the generator or Thus, for instance, the chamber 1 may be
1,115,625
heated by a gas ?ame instead of by an elec
consists in heating the gases to a tempera
tric are. In such case the electrodes 3 and 'ture in. which they are electrically conduc
4 may be dispensed with.
I claim:
'
1. The method of producing electric dis
charges of great stability in gases which
consists in heating the gases by means of
constantly burning electric arcs to a tem
perature in which they are electrically con
10
15
ductive, and producing said electric dis
charge in such gases.
2. The method of producing electric dis
charges of great stability in gases which con
sists in heating the gases by an electric arc
to a temperature in which they are. electri
cally conductive, and producing said dis
charges in a stream of said gases ?owing
substantially longitudinally of said elec
tric discharges.
20
3. The method of producing electric dis
charges of great stability in gases which
tive, and producing said discharges between
annular electrodes while causing the heat
25
ed gases to pass within and between said
electrodes.
4. The method of rendering‘ an electric
arc discharge stable while subjecting a
rapidly ?owing stream of gas to the action
thereof, which consists in hlghly preheating
30
the gas by an independent source of heat to _
render said gas electrically conductive, and
producing said are discharge in said pre
heated gas while‘ passing said preheated
gases in a stream ?owing substantially 1on4
gitudinall‘y of said electric arc discharge.
CARL FABIAN RICHER'l‘ VON KOCH.
Witnesses :
AUG. SORENSEN,
KARL RUNEsKoG.
35