454,622, dated
25 June 23, 1891, apparatus devised for the
purpose converting and supplying elec
trical energy form suited for the produc
tion certain novel electrical phenomena
which require currents higher frequency
30 and potential than can readily even possi
bly developed generators the ordi
nary types such mechanical appliances
as were theretofore known.
SPECIFICATION forming part Letters Patent No.)
To all whom concern:
Be known that Nikola Tesla, citi
zen the United States, residing New
York, the county and State New York,
5 have invented cértain new and useful Im
provements Apparatus, for Producing
Ozone, which the following specifica
tion, reference being had the drawings ac
companying and forming part the same,
ro The invention subject present appli
cation has primarily its object provide
a simple, cheap, and effective apparatus for
the production ozone such gases are
obtained the action high-tension elec-
15 trical discharges, although the application
to such purposes the apparatus heretofore
invented and designed for the produc
tion electric currents high frequencyand
potential have made certain improvements
20 such apparatus itself which are novel and
useful other and more general applications
ofthe same. the iCworking” circuit that which
contains the translating devices means for
40 utilizing such currents. invention;
and Fig. 568,177, dated September 22, 1896.
NIKOLA TESLA, NEW YORK, Y.
The circuit, including the motor rela- go
tively high self-induction, and this property
is imparted the coils the motor, or,
when these are not sufficient, bythe addition
of suitable choking-coils, that each
break the motor-circuit current high 95
electromotive force will developed for
charging the condenser, which may therefore
be small and inexpensive. 402,418, dated
November 1891, and No. The condenser
discharges through the circuit which com
pleted through the brushes and the con- 100
troller II, and since the self-induction this
circuit, well the capacity the con-
. That say,
the coils the field and armature maybe 70
series derivation wholly independent,
and either both are connected the
circuit. . have heretofore shown and de
scribed, notably Patents No. (H
om
odel..
In the accompanying drawings, illustrative
of the principle construction and mode 5;
operation improvement, Figure a
diagrammatic illustration the. For this reason the iron 85
cores the motor should laminated.
Around the controller formed circuit of
low self-induction, which includes con- '
denser and the primary transformer.
ApplicationfiledJuiie17,1896. 695,927. 60
The device hereinafter described espe
cially designed for direct application and
use with existing circuits carrying’direct cur
rents, such the ordinary municipal incan
descent-lighting circuits. view, partly side elevation
and partly section, the apparatus I
construct for practical use.United States Patent Office. The other terminal, connects
with second brush bearing the con
troller, that the current which passes
through and operates the motor period
ically interrupted. SerialN
o. I
would state the apparatus which have de
vised for this purpose capable other and
highly important uses similar nature,
50 but for purposes the present case deem
it sufficient describe its operation and ef
fects when used for the purpose generat
ing ozone. the present instance one termi
nal, connected one the binding-
posts, from which the circuit led through 75
one field-coil, the brushes and commutator
E, the other field-coil, and thence a
brush which rests upon circuit-controller
H, consisting general conducting disk
or cylinder with insulating-sections its pe- 80
riphery. 65
Let designate the terminals from any :
given circuit this character.
A . This apparatus
involved means for utilizing the intermittent
35 oscillating discharge the accumulated
electrical energy condenser circuit
possessing capacity what may desig
nated. such cir
cuit connect electromagnetic motor
C any the usual ways. present im
provement have utilized appliances this
general character under conditions and in
combination with certain instrumentalities,
hereinafter described,which enable pro-
45 duce, without difficulty and very slight ex
pense, ozone any desired quantities
