NIKOLA TĚStApGF NEW YORK, Y.
SPECIFICATION forming part Letters Patent No.
The mode of.York, have invented ceriain new
and useful Improvements Dynamo-Electric
Machinefi^ wbjeh. Fig.
Assume, for sake illustration, that the
coils are receive-the maximum and too
coils the same instant the minimum
current, that the polar line may midway
.States Patent Office. 'There may aruia- 85
ture, within the ring, which wound with
coils closed upon themselves. 75
Referring Fig.KI.
complished various ways; but lit, the draw
ings have given typical instancesonly ofthe
bestand mostpracticable waysof applying the
invention three the best-known types 60
machines, order illustrate the principle
and 60enable any one skilled the art ap
ply the invention any other case under
any modified conditions which the circum
stances parti.
", AniiHt»il«n Mod April S3,IS??. iS82;280/ May 1888—I have shown
anddescribed plan constructing and oper-
15 ntirig motors, transformers, and the like, al
ternating currents conveyed through two or
more independent circuits from generator
having such relation the motors trans
formers as-to produce therein progressive
20 movehientiOf the magnetic poles lines of
force. dated October 3888.BEST AVAILABLE COP
'LÍnipíed .a, sub
ject oftbeEmpcroiTof Austria, from Stniljan,
Lika, border.effecting tilts forms the substance
of inypresent application. let Arepresent oneof my
improved motors transformers, which,'for
convenience, shall designate ^converter,”
which consists annular core, wound
with four independent coils, and those 80
diametrically opposite being connected to
gether co-operate pairs estab
lishing free poles the ring, the tendency of
each pair being fix the poles ninety de
grees from the other. similar diagram con
taining armature with separate coils con- 70
nected diametrically,, what generally
called open-circuit” machiue.
terminals coils and i>.the following specifi-
cationvsreferénee iieing had the drawings
io accóinpanýing andTorming part the same. 65
Figure diagram illustrative the
mode applying the invention the well-
known type closed continuous circuit
machines. is
a diagram showing the application the in
vention machine the armature-coils of
which have common joint.vm concern:
Be itikwAwn tlvat Nikota Tesi.-381,968
and No. This may beac- .country Austria-Hungary,
5 now residing aťNcw York, the county and
State ofNew. The object is
to pass through coils currents such
relative strength and direction produce
a progressive shifting movement the 90
points ofmaximům magnetic effect aronnd the
ring, and thereby maintain rotary move
ment the armature, therefore secure to
the abaft the generator four insulated . Now,
it will understemd-that the operation of
40 any dynamo cieclriogencrator the currents is
the coils their movement through the field
of force undergo different phases—that to
say, ab.)
which the currents arc taken off—will
he determined solely what order varia
tions strength and direction the currents
is desired for producing given result the 55
electrical translating device.
contact-rings, upon which cause 95
bear the collecting-brushes a'b'c'd\ connected
by wires respectively, with (lie.different positions the coils the cur
rents have certain, directions and certain
45 strengths—and thatin improved motors or
transformers necessary that the currents
in the energizing-coils should undergo cer
tain order variations strength and direc
tion- Hence, the further step—viz, the con-
50 nection between the induced generating
coilsof the machineand the contact-rings from
Serlftl K
o. Fig.
Generallystat^disthe plan pursued mein
carryjjig'iOuft'itiiisiiiiiYentioa follows: On
35 the shaft jvípycu-generator, either place
of addition the regular commutator,
I securo;as manypairs insulated collect!ng-
rings astherearecireuits formed.414. 390."
■ COMPANY, SAME PLACE. (K
om
odel.
Iucertainpatentsgranted toCharles Peck
and royself—notably Patents No., ASSIGNOR THE TESTA- ELECTRIC. the said applications the descrip-
tions and-iUiistrations the generators were
confined ;to those types alternating current
machine which the current generating coils
a5 are independent separate; bfit 1have found
that the ordinary forms continuous current
dynamos nowin usemaybereadily andcheaply
adapted system, utilized both con
tinuous and alternating current generators
30 with but slight changes ;iu their construction.
m ■;
To jvTmhj, it:.BM
.cnlar cases may require.
; DYNAMO-ELECTRIC MACHINE
