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