the field-magnet 115. The ends the armature-coils are con
nected two pairs contact-rings^ <
T
. ahori
zontal cross-section themotor.
Now, obvious from consideration of
the preceding figures that the rotation the
25 generator-ring produces currents the coils
F F', which, being transmitted the motor-
coils,impart the core the latter magnetic
poles constantly shifting whirling around
the core.
of the motor consists ring, It, preferably
of thin insulated iron sheets bands, with
eight pole-pieces, and corresponding re
cesses which four pairs coils, are
wound. The
60 ends these coils are connected,respectively,
to insulated contact rings 0". Fig.
net, and four independent stationary mag
nets, P', wound with coils, those diamet
rically opposite each other being connected 95
in series and having their ends secured the
. Fig. The application this principle to
systems involving multiple circuits generally 75
will understood from this apparatus.
The armature which mounted rotate be
tween the poles cylinder disk, of
55 wrought-irou, mounted the shaft a. 13. This mode carrying out the invention
has the advantage dispensing with the slid
ing contacts the system. It
remains, then, show how both elements may
be wound with coils. 105
In the forms motor above described only
one the elements—the armature the field-
magnet—is provided with energizing-coils.terminals From these terminals the
currents are led the terminals the motor,
as shown the drawings. Anarmature,D,with two
coils, hf, right angles each other, 125
mounted rotate inside the field-magnet
R. 11. similar
view the generator, with'the field-magnets
in section; and Fig. Thatshown con
sists revolving permanent electro-mag-. The contact-rings of
each pair generator coils are connected to
those the motor, respectively, means of
2o contact-brushes and the two pairsof conduct
ors, and 1/, indicated diagrammat-
ically Fig. is
a diagrammatic representation modified
disposition invention. end
view such motor. The diametrically opposite pairs 120
coils are connected series and the freeends
connected four terminals, to, the rule be
followed connecting being the same here-
inbeforeexplained. diagram the cir
cuit-connections.
The generator for this motor has this in
stance armature, wound with three
coils, KK'K", sixty degrees apart. This leaves six free ends,which
are connected the terminals T"T". end view the generator with
its field-magnets section. Two
segments the same are cot aWay, shown. This effect sets rotation the
30 armature,owing totheattractiveforcebetween
the shell and the poles the armature; but
inasmuch the coils this case move rela
tively the shell field-magnet the move
ment the coils the opposite direction
35 the progressive shifting the poles.382,280 3
iron shell, which constitutesthe field-mag
net other element the motor. Fig. The mode op
eration substantially the same the pre- 100
vious cases, the curreuts traversing the coils
of the motor having the effect turn the disk
D. this case 80
a disk,- magnetic metal, preferably cut
away opposite edges, shown dotted
lines the figure, mounted turn
freely inside two stationary coils,N' N",placed
at right angles one another.. This represents an
annular ring armature, surrounded by
four coils, F', which those diamet
rically opposite are connected series, so
that four free ends are left, which are con-
15 nected the insulated contact-rings bbb' V.
The peculiar advantage this disposition is
in obtaining more concentrated and power
ful field. This shell
is preferably formed with slot opening, r;
but may continuous, shown the
5 dotted lines, and this event preferably
made steel. also desirable that this
shell 8h0nld divided similarly the
armature,and for similar reasons.
Referring now Figs. The variations the strength and di
rection the currents transmitted through
theae circuits and traversing the coils the
motor produce steadily-progressive shifting
of the resultant attractiveforce exerted the
poles upon the armature and conse- 7c
quently keep the armature rapidly rotating.
The generator for this motor may any
suitable kind produce currents the de- 130
sired character. diagrammatic illustration a
motor and generator connected and con
structed accordance with invention.
The ring suitably mounted shaft, a',
between the poles ITS. The coils are 85
preferably wound frame, insulating
materiál, and their ends are connected the
fixed terminals The generator is
a representative that class alternating-
current machines which stationary in- 90
duced element employed. and 16, Fig.
45 The field the motor produced six
magnetic poles, G'G', secured projecting
from ring frame, These magnets or
poles are wound with insulated coils, those
diametrically oppositeto each otherbeing con-
50 nected pairs,so produce opposite poles
in each pair. the present instance ft
consists field-magnet, and arma
ture, with two coils right angles, the
ends which are connected four contact-
.
Other arrangements the coils both gen
erator and motor are possible, and greater
number circuits may used, will be
seen the two succeeding figures,
to Fig.- These
rings are connected those the motor in
proper order means collecting-brushes
and six wires, forming three independent cir-
65 cuits. Reference therefore 110
had Figs. 17, 18, and 19. Fig.
Fig. gen
erator for driving this motor, may use the
to device shown Fig
