Fig. 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.
Referring now Figs. the present instance ft
consists field-magnet, and arma
ture, with two coils right angles, the
ends which are connected four contact-
.
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. 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. gen
erator for driving this motor, may use the
to device shown Fig. Fig.terminals From these terminals the
currents are led the terminals the motor,
as shown the drawings. The application this principle to
systems involving multiple circuits generally 75
will understood from this apparatus. end
view such motor. also desirable that this
shell 8h0nld divided similarly the
armature,and for similar reasons.. end view the generator with
its field-magnets section. ahori
zontal cross-section themotor.- These
rings are connected those the motor in
proper order means collecting-brushes
and six wires, forming three independent cir-
65 cuits.
The generator for this motor may any
suitable kind produce currents the de- 130
sired character. Fig.
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. Reference therefore 110
had Figs. 11. 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. The ends the armature-coils are con
nected two pairs contact-rings^ <
T
. It
remains, then, show how both elements may
be wound with coils. diagram the cir
cuit-connections.
The peculiar advantage this disposition is
in obtaining more concentrated and power
ful field. 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. is
a diagrammatic representation modified
disposition invention. Thatshown con
sists revolving permanent electro-mag-.
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. 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 ring suitably mounted shaft, a',
between the poles ITS.
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. similar
view the generator, with'the field-magnets
in section; and Fig. This leaves six free ends,which
are connected the terminals T"T".
The armature which mounted rotate be
tween the poles cylinder disk, of
55 wrought-irou, mounted the shaft a. Two
segments the same are cot aWay, shown. This mode carrying out the invention
has the advantage dispensing with the slid
ing contacts the system. 17, 18, and 19. Anarmature,D,with two
coils, hf, right angles each other, 125
mounted rotate inside the field-magnet
R. 13. 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. diagrammatic illustration a
motor and generator connected and con
structed accordance with invention. Fig. the field-magnet 115. This shell
is preferably formed with slot opening, r;
but may continuous, shown the
5 dotted lines, and this event preferably
made steel. 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.
The generator for this motor has this in
stance armature, wound with three
coils, KK'K", sixty degrees apart.382,280 3
iron shell, which constitutesthe field-mag
net other element the motor. The
60 ends these coils are connected,respectively,
to insulated contact rings 0". 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. and 16, Fig. 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
. 105
In the forms motor above described only
one the elements—the armature the field-
magnet—is provided with energizing-coils
