The apparatus herein described for con
verting direct currents into currents high 70
frequency, comprising combination cir
cuit high self-induction, circuit-control
ler adapted make and break such circuit,
a condenser into which the said circuit dis
charges when interrupted, and transformer 75
through the primary which the condenser
discharges set forth.
Witnesses:
Edwin IIopkinson,
M. C
5
Having now described invention and
the manner which the same may be
carried into practical effect, what claim is—
1. These latter, however, should in
40 this specific arrangement laminated.
3.
. The combination source direct
current and circuit therefrom, choking-eoils
in said circuit, means for making and break- So
ing the circuit through said coils, condenser
around the point interruption the said
circuit and transformer having its primary
in circuit with the condenser set forth. The combination with circuit direct
current and having high self-induction, of
a circuit-controller for making and breaking
said circuit, motor for driving the control
ler, condenser circuit connected with 95
the first around the point interruption
therein, and transformer the primary of
which circuit with the condenser set
forth.
For instance, the elioking-coil distinctive
device may wholly dispensed with, pro
vided the circuit which must otherwise
be placed have sufficiently high self-indue- Co
tion produced other ways. So, too, the ne
cessity condenser, strictly speaking, is
avoided when the circuit itself possesses suf
ficient capacity accomplish the desired re
sult. These
43 elements may mechanically associated in
any convenient and compact form, but far
as their general arrangement and relations
are concerned prefer the relative disposi
tion illustrated, mainly because, reason of
50 their symmetrical arrangement the cir
cuit, the liability injury the insulation of
any the devices reduced minimum. 90
4.
A more convenient and simplified arrange-
25 ment the apparatus shown Fig.
I not mean imply the terms em
ployed describing improvements that
55 limit myself the use the precise de
vices commonly designated such terms. The combination with circuit high S=
self-induction and means for making and
breaking the same, condenser around the
point interruption the said circuit, and
a transformer the primary which the
condenser-circuit described. The combination with circuit direct 100
current, controller for making and break
ing the same, motor having its field-mag
nets said circuit and driving the said con
troller, condenser connected with the cir
cuit around the point interruption therein 105
and transformer the primary which in
circuit with the condenser set forth.
NIKOLA TESLA.
The apparatus, will now seen, com-
Xwises, essential elements, clioking-coils, a
circuit controller, means for rotating the
same, condenser, and transformer. such case the
field-coils take the place the choking-
coils this arrangement, and fact
generally, preferable use two con
densers condenser two parts and to
35 arrange the primary coil the transformer
between them.
The controller designed rotated
i any proper device, such, for example, as
an electromagnetic motor, shown Fig.
. Around the controller in
general parallel therewith, condenser
15 II, and series with the latter the primary
K transformer, the secondary which
constitutes the source the currents high
frequency which may applied many
useful purposes, for electric illumination,
20 the operation Crooke’s tubes, the pro
duction high vacua. The segments are
insulated, and while shown the drawings
5 substantially the same length arc as
the segments this latter relation may be
varied will regulate the periods charg
ing and discharging. Lawson Dyer. indicates the circuit from the secondary,
which may regarded the working circuit. 2,
receiving current either from the main source
or elsewhere. The interruptions the
field-circuit the motor should rapid
as permit only partial demagnetization
of the cores. In
this case the small motor which drives the
controller, has its field-coils derivation to
the main circuit, and the controller and
condenser are parallel the field-cir-
30 cuit between the two coils.
5.568,176
two brushes bear upon two said seg
ments the circuit through the choking-
coils Bwill closed.
2
