Referring the figures, indicate field-
magnet- poles, and represents the body or
core armature composed, this in- 60
•stance, laminae magnetizable material
built any suitable manner, the laminae
being preferably separated intervening-
strata ofinsulating material.
Application filed June 28, 1889. The plates may also stamped or
formed with openings remove the un
necessary metal.
The invention relates the construction of
armatures for electric generators and motors,
and the object provide electrically-
i5 efficient armature, the construction which
is simple and economical, and which the
coils. 327,797, granted Immiseh, and No.) which the follow
ing specification.nited States Patent Office.'of insulated conducting wire ribbon
may conveniently wound formed into
bobbins located with reference the body
jo the armature afford good results as
possible. (Nomodel. These openings may lined 80
pockets 7
1 insulating material—such, for
instance, vulcanized fiber—and the wires
are then wound into the slots from the open
ings and around the respective webs e.
The invention will described more par
ticularly connection with the accompany
ing drawings, which—
Figure end view, partly section, 55'
an armature embodying the features the in
vention, and Fig.
SPECIFICATION forming part Letters Patent No.)
To all whom concern:
Be known that we, and
N citizens, respectively, the
Republic Switzerland and Smiljan, Lika,
5 border country Austria-Hungary, now re
siding Allegheny and Pittsburg, both in
the county Allegheny and State Penn
sylvania, have invented certain new and use
ful Improvement Armatures for Electric
io Machines, (Case No.
ALBERT SCHMID, ALLEGHENY, AND NIKOLA TESLA, PITTSBURG,
ASSIGNORS THE WESTINGHOUSE ELECTRIC COMPANY, PITTS
BURG, PENNSYLVANIA. 315,937. The individual
plates laminae are constructed with radial 65
openings extending short distance from
the surface, and with slots oropenings b,which
extend different directions from the open
ings The slots diverge from each other at
such angles cause the two slots upon the 70
opposite sides each web thus formed to
lie the same chord the circle the arma
ture. Serial No.
We are aware the United States Patents
No. 417,794, dated December 24,1889. 310. 9,013 1887, and do
not claim the constructions shown and de- 50
scribed therein.
292,077,granted Wenstrom, and the British
patent Coerper, No. After the plates are formed 75
they are laid the proper manner form
the entire armatur-core, the slots being
placed opposite each other form continuous
openings through the entire length the
ai-mature.
Winding-clips 1
cmay placed the respect- 85
ive ends the armature opposite each web e
to hold the wires the proper positions as
they are wound the slots and down upon
the armature ends. plan the armature.
The invention consists, general terms, in
forming armature-core which preferably
built laminae magnetizable material
insulated from each other, with diverging
40 slots openings for receiving the armature
wire ribbon, which slots are connected with
the exterior the armature openings
through which the wire may laid the
slots, and placing the wire such slots in
45 the proper manner.
For certain purposes desirable con
struct the armatures electric generators and
motors with their cores magnetizable mate-
25 rial projecting through the coils into close
proximity the field-magnet poles.
ARMATURE FOR ELECTRIC MACHINES.
This invention aims provide such means
in armature having polar projections, and
also form armature such manner as
to expose large area core-surface the
35 field-magnet poles. When
armatures are constructed this manner,
some means are necessary for holding the coils
in position and preventing them from being
30 thrown out centrifugal force.
The wires having been wound into their 90
proper positions, they may held more se
curely position means blocks of
non-magnetic material, placed intervals or
extending through the entire slots open
ings and projecting into the slots 95
An armature constructed the manner
