Witnesses:
R obt.
3.
2. alternating-current motor having
two sets series pole-pieces energized by
coils independent circuits from the same
source, the combination, with one the sets
or series pole-pieces, magnetic shunts or
bridges connecting their free ends, de
scribed.
What claim this application is—
having-
two sets series pole-pieces, the combi
nation, with one such sets series, mag
netic shunts bridges connecting their free
ends, herein set forth. Gaylord,
P arker age. alternating-current motor having
a laminated subdivided field-magnet pro
vided with two sets series cores pole-
pieces, the combination, with such pole-pieces, 45
of energizing-coils connected, respectively, in
two circuits derived from the same source of
alternating; currents and laminated sub
divided ironshunts bridges ofsmaller cross-
section than the pole-pieces and .433,70Í
described higher self-induction than the
These coils árě connected series two
circuits, which are braches circuit from a
generator alternating currents, and they
may wound, the respective circuits
in whichthey areincluded maybe soarranged,
that the circuit coils will have inde
pendently the particular construction here
in
other circuit branch.joining the 50
free ends all the cores pole-pieces one
set form closed magnetic circuits, set
forth. alternating-cu rrent motor, the com
bination, with set series field-poles 55
and énergizing-coils wound thereon, in
termediate set pole-pieces formingportions
of closed magnetic circuits and coils thereon
in circuit derived from the same source of
alternating currents the other, set forth.
4.
The function the shunts bridges is
that they shall form with the cores closed
magnetic circuit for current prede
termined strength, that when saturated by
such current and unable carry more lines
15 force than such current produces they
will further appreciable extent inter
fere with the development stronger eur-
:rent free magnetic poles the ends the
cores C.
20 such motor the current retarded
in the coils and the manifestation the
free magnetism the poles delayed be
yond the period maximum magnetic effect
in poles that strong torque produced
25 and the motor operates with approximately
the power developed motor this kind
energized independently-generated cur
rents differing full-quarter phase.
.
NIKOLA TESLA
