The same similar results are obtainable
5 other means.
6. time difference electrical phase,
while the present case due differ
ence magnetic phases.
2. For example, secure the
requisite difference magnetic phase, may
make two the cores greater mass
than cores whereby their period sat
uration will greater than cores or
r may make the ceres hard iron or
steel and the cores soft iron, which
case the cores offering greater resistance
to magnetic changes, will not exhibit their
magnetism soon after the passage cur-
15 rent the cores the cores one
set poles, removed, the attract
ive force the coils solenoids would be
exerted instantly while the magnetic cores E
E would lag have different phase.584,426
feeted.
2o The special form the motor largely a
matter choice, nor the invention limited
to the number poles nor the special form
of armature shown. The combination electro magnetic
motor with rotary armature field cores
of different magnetic susceptibility and en- 70
ergizing coils thereon connected series and
adapted connected with source al
ternating currents, set forth. which cylinder disk wound
with coils closed upon themselves.. 383,279 May 1888. For example, may
employ such armature that shown in
25 Fig. The combination electro magnetic 55
motor with rotary armature short mag
netic cores and long magnetic cores
as and enei’gizing coils surrounding the
same, those the cores being placed at
a distance from the inner ends the said 60
cores, herein set forth.
Witnesses:
Geo. This
adds materially the efficiency the motor
for the reason that currents are induced in
the closed coils and magnetize the iron eyl-
30 inder manner similar that described
in Patent No.
4.
3.
5. The combination electro-magnetic
motor with energizing coils adapted con
nected with source alternating currents,
and cores different magnetic susceptibility, 65
of armature wound with coils closed upon
themselves, herein set forth.
NIKOLA TESLA. The combination electro magnetic
motor with rotary armature magnetic 50
cores different length mass and ener
gizing coils surrounding the same and adapted
to connected with single source alter
nating currents, set forth.
Without limiting myself, therefore, the
particulars hereinbefore specified, what I
claim invention is—
35 alternating current motor the com
bination with energizing coils adapted be
connected with external circuit cores of
different magnetic susceptibility ex
hibit differences magnetic phase under the
influence energizing current, herein 40
set forth. Monro,
A. The combination alternating cur
rent motor with rotary armature mag
netic poles, and coils adapted connected
with the external circuit surrounding the 45
same, the said cores being constructed dif
ferent size material whereby their mag
netic phase will differ time set forth
