io 11. This mode carrying out the invention
has the advantage dispensing with the slid
ing contacts the system. 12.
It also desirable that this shell should be
divided similarly the armature and for
similar reasons. 75
Referring, now, Figs. The
diametrically opposite pairs coils are con
nected series and the free ends couuected 12c
four terminals, 10, the rule followed in
connecting being the same hereinbefore ex
plained. This represents annular ring arma
ture, surrounded four coils, F', of
which those diametrically opposite are con
nected series, sothat four free ends are left,
which are connected the insulated contact-
15 rings 6'. The armature,
which mounted rotate between the poles,
is cylinder disk, wrought-iron,
mounted the shaft Two segments of
55 the same are cut away, shown. Fig. diagrammatic illustration a
40 motor and generator constructed and con
nected accordance with invention.
Fig. The ends 125
the armature-coils are connected two pairs
of contact-rings, Fig. 17, 18, and 19. The circuit-connections are es-
. The generator is
a representative that class alternating-
current machinesin whichastationary induced
element employed.
35 Other arrangements the coils both gen
erator and motor are possible, and greater
number circuits may used, will seen
in the two succeeding figures. and 16, Fig. This shell preferably
formed with slot opening, but may
be continuous, shown the dotted lines,
,5 and thisevent ispreferably made steel. The field the mo
tor Mis produced six magnetic poles, G',
45 secured projecting from ring frame,
H. 15, mounted turn
freely inside twostationary coils, N", placed
at right angles one another.
In the forms motor above described only ics
one the elements, the armature the field-
magnet-, provided with enérgizing-coils. end 110
view such motor. Fig. Fig. a
horizontal cross section the motor. this
case disk, magnetic metal, preferably 80
cut away opposite edges, shown dot
ted lines Fig.. Fig. This
effect sets rotation the armature ow
ing the attractive force between the shell
I30 and the poles the armature, but inasmuch
as the coils this ease move relative the
shell field-magnet the movement the
coils the opposite direction the pro
gressive shifting the poles. Now it
is obvious from consideration the preced
ing figures that the rotation the generator
ring produces currents the coils F', which,
Í25 being transmitted the motor-coils, impart to
the core the latter magnetic poles constantly
shifting whirling around the core. the field-magnet
ofthe motor consists ofa ring, preferably 115
thin insulated iron sheets bands with eight
pole pieces, G', and corresponding recesses, in
which four pairs coils, are wound. The coils are
preferably wound frame, insulating 85
material, and their ends are connected the
fixed terminalsTTT"F.
In the preseut instance consists afield- 130
magnet, and armature, with two
coilsat right angles, the ends which are con
nected four contact-rings, 6', carried
by its shaft. diagram the cir
cuit-connections. The variations the strength and di-
65 rection the currents transmitted through
these circuits and traversing the coils the
motor produce steadily-progressive shifting
of the resultant attractive force exerted by
the poles upon the armature and conse
quently keep the armature rapidly rotating. generator for driving
this motor may use the device shown Fig. These magnets poles are wound with
insulated coils, those diametrically opposite
to each other being connected pairs to
produce opposite poles each pair. similar
view the generator with the field-magnets
in section, and Fig. Reference therefore
had Figs. It
remains, then, show how both elements may
be w-ound with coils. These
rings are connected those the motor in
proper order means collecting-brushes
and six wires, forming three independent cir
cuits. The gener
ator for this motor may any suitable kind
to produce currents the desired character. 19.
14 end view the generator with its
field-magnets section.' K", sixty degrees apart. Fig. The ends of
these coils are connected, respectively, in-
6. The mode opera
tion substantially the same the previ
ous cases, the currents traversing the coils ico
the motor having the effect turn the disk
D. The gen
erator for this motor has this instance
an armature, wound with three coils, K
K. 15
is diagrammatic representation modifi-
fied disposition invention.381,968 3
which constitutes the field-magnet, other
element the motor. sulated contact-rings e". The ring suitably mounted
on shaft, a', between the poles The
contact-rings each pair generator-coils
are connected these the motor, respect
ively, means contact-brushes and the
20 two pairs conductors and L', in
dicated diagrammatically Fig. This
50 leaves six free ends, which are connected to
the terminals T'T" T". armature, with two coils, EEf,
at right angles each other, mounted ro
tate side the field-magnetR. 70
The peculiar advantage this disposition is
in obtaining more concentrated and power
ful field. That shown consists 90
a revolving permanent electro maguet, A,
and four independent stationary magnets, P
P', wound with coils, those diametrically op
posite each other being connected series
and having their ends secured the termi- 95
nals From these terminals the cur
rents are led the terminals the motor, as
shown the drawings. The application this principle to
systems involving multiple circuits generally
will understood from this apparatus
