252,132. The motor com
prises ring annulus, preferably built
up thin insulated iron rings annular .)
To whom, concern:
Be known that Nikola Tesla, from
Smiijan, Lika, border conntryof Austria-Hun
gary,and residing the city, county, and State
of New York, have invented certain new and
useful Improvements the Transmission of
Power, ofwhich the followingis specification,
reference being had the drawings accom
panying and forming part the same.nited States Patent Office. TESLA, NEW YORK, Y. The remaining figures are
views the apparatus various forms by
means which the invention may Carried 6o
into effect, and which will described their
order.
Original application filed October 12,1887.
ELECTRICAL TRANSMISSION POW ER.
Such solution primarily demands uni
formity speed the motor irrespective of
its load within its normal working limits.
The practical solution the problem the
electrical conversion and transmission me
chanical energy involves certain requirements
which the apparatus and systems heretofore
employed have not been capable fulfilling. Serial No. 252,132.Í
; pass, the manner hereinafter described, al
ternatingcurrents, effecting therebya progres
sive shifting the magnetism ofthe lines
offorce,” which,inaccordancewithwell-known
theories, produces the action the motor.755.
SPECIFICATION forming part Letters Patent No. which dia
grammatic representation motor, gen- ,
erator, and connecting-circuits accordance 65
with invention, the motor, and G
the generator for driving it. tco
It remains now explain the mode op
eration this system, and for this purpose.
plates, susceptible possible 70
variations its magnetic condition. These
terminals are connected the terminals the
motor the wires andL' the mannerin- ,
dicated, whereby two complete circuits are
formed, one including, say, the coils the
generator and the motor and the other
the remaining coils and the gen
erator and the motor.
2C6.
This application division applica
tion filed October 12, 1887, No. The practical
results such system, its economical advan
tages, and the mode its construction and
operation will described more detail by
reference the accompanying diagrams and
drawings. Divided and this application died March 1888.
This disk mounted asto turn freelywithin
the ring The generator any ordi
nary type, that shown the present instance 85
having áeld-magnets and cylindrical ar
mature-core, wound with the two coils B
B'.
> obvious that properprogressiveshift
ing the lines force may utilized set
up movement rotation either element
of the motor, the armature,or the field-magnet,
and that the currents directed through the
5 several circuits the motor are proper di
rection Commutator for the motor will be
required; but avoid all the usual commu
tating appliances the system connect the
motor-circuits directlywith those suitable
o alternating-currentgenerator. The four free ends thus left are
connected terminals T', indicated.each ring and forms terminal which the
current and from ring conveyed. Thisring
is surrounded four coils insulated wire
symmetrically placed and designated byGCO'
O'.
My present invention new method or
mode effecting the transmission power
by electrical agency, whereby many the
►
present objections are overcome and great
economy and efficiency secured. The diametrically-opposite coils are con
nected upso co-operatein pairs produc- 75
ing free poles diametrically-opposite parts
of the ring. Serial Ko. 55
Figures and 1"to 8a, inclusive, are dia
grams illustrating the principle the action
of invention. The free ends each coil are carried
through the shaft and connected, respect
ively, insulated contact-rings Any 90
convenient form collector brushbears o»
. (JTo model. 382,280, dated May 1,1888.
In carrying out invention employ a
motor which there are two more inde:
pendent energizing-circuits, through which.
Near the ring, and* preferably inside it,
there mounted axis shaft mag- 80
netic disk, generally circular shape, but
having two segments, cut away shown.
Referring first Fig. On
the other hand, necessary, attain a
greater economy conversion than has here
tofore existed, construct cheaper and more
reliable and simple apparatus, and such that
all danger from the use currents high
, tension,which are necessary economical
transmission, may avoided.
NIKOLA
