252,132.each ring and forms terminal which the
current and from ring conveyed.755. 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.
ELECTRICAL TRANSMISSION POW ER.
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.
plates, susceptible possible 70
variations its magnetic condition. 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.)
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. The four free ends thus left are
connected terminals T', indicated. which dia
grammatic representation motor, gen- ,
erator, and connecting-circuits accordance 65
with invention, the motor, and G
the generator for driving it.
Such solution primarily demands uni
formity speed the motor irrespective of
its load within its normal working limits.
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'. tco
It remains now explain the mode op
eration this system, and for this purpose. Serial Ko. 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.
Referring first Fig. TESLA, NEW YORK, Y. The motor com
prises ring annulus, preferably built
up thin insulated iron rings annular . The diametrically-opposite coils are con
nected upso co-operatein pairs produc- 75
ing free poles diametrically-opposite parts
of the ring.
This application division applica
tion filed October 12, 1887, No.
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.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. Thisring
is surrounded four coils insulated wire
symmetrically placed and designated byGCO'
O'. 382,280, dated May 1,1888. 55
Figures and 1"to 8a, inclusive, are dia
grams illustrating the principle the action
of invention. 252,132.nited States Patent Office.
Original application filed October 12,1887. 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.
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. Serial No.
NIKOLA.
SPECIFICATION forming part Letters Patent No. 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. Divided and this application died March 1888.
In carrying out invention employ a
motor which there are two more inde:
pendent energizing-circuits, through which.
> 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.
2C6
