In each the figures, designate the
conductors supply-circuit continuous
current; motor connected therewith in
35 any the usual ways and driving current-
controller which serves alternately close
the supply-circuit through the motor or
through self-induction coil and con
nect such motor-circuit with condenser F,
40 the circuit which contains primary coil
G, proximity which secondary coil
If, serving the source supply the work
ing circuit, that which are connected up
the devices for utilizing the current. therefore employ motor high
self-induction, place addition to
such motor choking self-induction coil
E, store the energy the supply-cur
rent directed into and deliver the
60 form high-potential discharge when its
circuit interrupted and connected the
terminals the condenser.
I have confined the description herein 130
a source supply direct current, to
such the invention more particularly applies,
but will understood that the system
be supplied periodic impulses from any
.
A similar result may secured modi- 95
fying any the constants ofthe localcircuits,
as above indicated.
As example the way which the dis
charge-circuit, that into which the con
denser discharges, may modified pro- 105
duce the same result have shown Fig. very slight
variation this respect, disturbing the
relations between the rate impressed im
pulses and the vibration the circuit high
self-induction into which they are directed, go
causes marked departure from the condi
tion resonance and corresponding reduc
tion the amount energy delivered the
impressed impulses the apparatus.
Inasmuch the source supply generally
of low potential, undesirable charge
the condenser directly therefrom, con
denser large capacity will such cases be
55 required. For example, Figure So
I may vary the speed the motor, and con
sequently the controller, any suitable
manner, means rheostat a
shunt such motor shifting the posi
tion the brushes the main commutator 85
M the motor otherwise. the potential
in this circuit raised high degree, a
condenser very small capacity may em
ployed, and the two circuits, primary and 120
secondary, are very intimately and closely
connected the variation capacity the
secondary similar its effects the vari
ation the capacity the condenser the
primary.
The electrical conditions, which are now
well understood, having been adjusted se
cure, far practical considerations will 75
permit, these results, effect the regulation
of the system adjusting its elements as
to depart greater less degree from the
above conditions with corresponding varia
tion output.
To regulate the output single circuit
which has vibration its own merely
15 varying its period would evidently require,
for any extended range regulation, very
wide range variation period; but the
system described very wide range regu
lation the output may obtained a
2o very slight change the frequency one of
the circuits when the above-mentioned rules
are observed.
45 The circuit-controller, may stated, is
any device which will permit periodic
charging the condenser the energy of
the supply-circuit and its discharging into
a circuit low self-induction supplying di-
50 rectly indirectly the translating devices.
In order secure the greatest efficiency in
a system this kind, essential, have
65 before stated, that the circuits, which, mainly
as matter convenience, have designated
as the charging” and the discharge” cir
cuits, should approximately resonance
or electromagnetic synchronism. 3
an adjustable self-induction coil the cir
cuit with the condenser, the adjustment
of which the period vibration such cir
cuit may changed. have illustrated means well 125
adapted for this purpose two metallic plates
S adjustable and from each other and
constituting the two armatures the con
denser. These diagrams will described de
tail their order. For example, Fig.868,178
vibration the several circuits the system
referred maybe varied, but the most prac
ticable and efficient ways accomplishing
the desired result are the following: (a) vary-
5 ing the rate the impressed impulses cur
rent, those which are directed from the
source supply into the charging-circuit, as
by varying the speed the commutator or
other circuit-controller; (b) varying the self-
xo induction the charging-circuit; (c) vary
ing the self-induction capacity the dis
charge-circuit. no
The same result would secured vary
ing the capacity the condenser; but the
condenser were relatively large capacity
this might objectionable plan, and a
more practicable method employ vari- 115
able condenser the secondary working
circuit, shown Fig.
In illustration invention have
shown diagrams the accompanying
25 drawings some the more practicable means
for carrying out the same. 2
the choking-coil shown provided with
an adjustable core hi, the movement of
which into and out the coil the self-indue- o
tion, and consequently the period the cir
cuit containing such coil, may varied. Moreover,
in order obtain the greatest output from 70
given apparatus this kind, desirable
to maintain high frequency possible. The figures, as
stated, are diagrammatic illustrations the
system its typical form provided with reg
ulating devices different specific eharac-
30 ter
