May 24, 1932.
H. L. WORTHINGTON
1 ,859,643
MAGNETIC MOTOR
Filed Sept. 4, 1929
2 Sheets-Sheet
1
1 NVEN TOR.
.~1 TTORNEY.
May 24, 1932-
H. L. 'woRTl-uNGToN
1,859,643
MAGNETIC MOTOR
Filed Sept. 4, 1929
2. Sheets-Sheet
2
52
IN VEN TOR.
JZZ/Z/J/Z. Mw/gm
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A TTORNEY.
1,859,643
Patented May 24, 1932"
UNITED STATES PATENT
FFICE
HARRY L. WORTHINGTON, OF SAN FRANCISCO, CALIFQRNIA
MAGNETIC MOTOR
Application "?led September 4, 1929. i
This invention relates to improvements in
magnetic motors driven by varying the course
of the magnetic ?ux of magnets and‘ more
particularly to the said ?ux varying means.
5
Serial No. 890,285.
Worthington, Number 1,’? 24,446, issued Au
gust 13, 1929, entitled Magnetic motors, and ’
his copen'ding application, Serial Number
372,163, ?led June 19, 1929, in the same class,
Among the objects of the invention are to regarding the use of permanent magnets.
provide means whereby the attraction and re
In this speci?cation and the annexed draw
pulsion of permanent magnets for each other
may be converted into motion by introduc
ing a shunt into the magnetic flux of one of
0 a pair of magnets in repulsive juxtaposition,
to create an attractive magnetic ?eld, then
changing the polarity of said shunt to restore
the repulsive magnetic ?eld, to cause one of
said. magnets to be alternately attracted to
5 and repelled'from the other“
,
Another object is to utilize the attraction
u H.
ings the invention is illustrated in the form
considered the best. But it is to be under
stood that it is not limited to such form, be
cause it may be embodied in other forms. It
60
is also to be understood that in and by the
claims following the description it is desired
to cover the invention in whatsoever form it
may be embodied.
~'
'
In the accompanying two sheets of draw
ings:
of a permanent magnet for a magnetizable
Figure 1 is a vertical section of a mag
mass, by varying the flux in said mass to re netic motor constructed in accordance with
pulse the magnet.
)
A further object is to increase the speed
and minimize the power necessary to cause
a permanent magnet to pass a magnetizable
' mass in a ?xed path.
'
this invention. (See line T——T, Figure 2.)
Figure 2 is a horizontal section of the same.
70
(See line Il[—TI, Figure 1.)
Figure 3 is a wiring diagram of the electric
circuit for energizing the armature coils.
_ A permanent magnet is normally attracted
Figure 4 is an end elevation of the dis
’ to a magnetizable mass, and is repulsed by tributor for the selector timing of the op
, said mass if the polarity of the mass is ren eration of said coils.
dered repulsive to the magnet. ‘
In detail the construction illustrated in the
Two permanent magnets will repel each drawings, referring to Figure 1, comprises
the base 1, supporting the enclosing non
other if the north pole of one is arranged in
’ juxtaposition to the north/pole of the other.
In this latter relation they will move toward
each other if one of them is shunted by an
armature placed across its poles.
magnetic casing 2. This casing is preferably
80
made in two sections for convenience in as
sembling. The casing is provided with hubs
3, 4, to receive suitable anti-friction bearings
I have discovered that a helix coil on the 5, 6, for the shaft 7.
‘
armature will reverse the polarity of the
The rotor comprises the opposed non~mag~
armature when an electric current is passed netic spiders, 8, 9 on the hub 10, which is ?xed
through the coil. '
'
_
on the shaft 7. The rotor magnets 11, 12, 13,
The normal armature, soft iron, or silica 14 are ?xed between the spiders 8, 9 to which
steel, or the like, is attractive to the magnet they are secured by the bolts 15.
to which it is applied, until excited by the ‘ These rotor magnets are arranged with
electric current ?owing in the repulsive di all their poles in repulsive relation to each
rection, when it then becomes repulsive to other seriatim. For instance, all their north
said magnet.
poles N are on the spider 8 side and all their
v, .This phenomenon is utilized to make a se south poles S are on the spider 9 side, with
ries of permanent-magnets. arranged in re the pole ends in concentric alignment with
pulsive relation, alternately attractive and. the axis of the shaft 7.
repulsive to each other by intermittently ex
The stator magnets 16, 17, 18, 19,120, 21, 22,
citing said armatures or shunts electrically. 23 are‘ ?xed in the casing 2 between the op
For further particulars reference is made posed sections thereof, to which they are se
to. the United States Patent to Harry L. cured bythe bolts 24.
'
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1,859,643
2
23’ are in another circuit and energize
The pole ends of these stator magnets are‘ 21’,
the
coils
26 on, the-stator magnets 17, 19, 21,
also arranged. in concentric alignment with
23 simultaneously.
' the axis of t ' e shaft 7, and in lateral align
_
There are eight stator magnets and dis
ment with the pole ends of said stator mag
nets. Thepoles N-—-S of the stator magnets
are arranged in repulsive relation to the
N-S of the rotor magnets. That is, the S
tributor contacts, so there are four impulses 70
given the stator coils 26 with each one-eighth
revolution of the shaft 7. These impulses in
the adjacent four rotor magnets on
poles of thestator magnets‘ are aligned with ?uence
the
rotor,
alternately attracting and repuls
the S poles of the rotor magnets, and their
ing them as described.
10, respective N poles in the same relation, so
”
'
‘
75
In the present instance the rotor and stator
that these respective ‘magnets normally repel magnets
11—-16, 12——18, 13—-20, 14——22, are
each other.
‘
just
passing
from attraction and will pass into
The soft cores or armatures 25 interposed
when the contact 20'—27 is made.
between the pole ends N. S., of each stator repulsion
The closing of the succeeding contacts
15 magnet, normally act as shunts for/the mag
21’——27 will energize the coils 26 on the stator
netic ?ux of their respective stator magnets, magnets
17, 19, 21, 23 ‘and restore these mag
converting them in'e?i'ect into ring magnets nets to their
repulsive relation to the
neutralizing their polarity and rendering rotor magnetsnormal
11,
12,
13, 14 respectively, and
them non-repulsive to the rotor magnets.
The rotor and stator magnets arranged in make the cores of the electro-magnets repul
.20
to both the stator and rotor magnets.
normally repulsive relation, are rendered at siveThis
alternate attraction and repulsion
tractive to each other by the armatures 25, will continue
as long as current is fed to the
neutralizing the polarity and / or varying the
coils 26 through the distributor.
?ux path of the stator magnets.
_
Referring to the wiring diagram Figure 3,
The helix coils 26 encircle the armatures 25
25
current
from the battery 29, over the
which then become electromagnetic when ex wire 30 ?ows
across the switch 31 jto the bus wire
cited by current ?owing through these coils. 32. through
the coils 26 in multiple there»
The polarity of the respective ends of the
with.
and
the
return bus wire 33 and the dis
armatures is determined by the. direction of
30 ?ow of the current passing through said coils. tributor wires 34, 35,36. 37 to the contacts _
If this direction of ?ow is properly chosen‘ 20’, 22’, 16’;_18', respectively, thence across
the armatures 25 are rendered repulsive to the brush 27 to the ground and back to the
both the rotor and stator magnets, which are battery 29.
The other set of coils 26 on the stator mag
normally in repulsive, relation also. I
It is the function of these coils 26 to neu nets receive current from the battery 29,
.35
across the switch 31, the bus wire 32, through
A.) tralize the attraction between the armatures the coils 26, connected with the bus wire 38,
25 an'd'the stator and rotor magnets, so that
these magnets may function repulsively to
10
over the division wires 39, 40, 41, 42 to the " i
contacts 21’, 23', 17', 19’, respectively,thence 10
It is obvious that if the energizing of the across the brush 27, to the ground and back
each other.
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-
'
'
_
the battery.
/
,
- '
'
?coils 25 is properly timed, the rotor and stator to Current
can also be provided in the circuits
magnets will be alternately attracted and re described by
closing the switch 43 in the line
pulsed by each other and the rotor caused to
44, from the; generator 45, which is also
,
45
This timing is accomplished by a distribu grounded.
It is obvious that by a simple reversal of
t’or operated by the shaft 7 and adapted to
~ make and break the ?ow ofg current to the parts, like results can be obtained byapply- ~
ing the coils 26wto the rotor magnets instead
coils 26.
.
rotate.
i
50
-
.
.
This distributor is illustrated in Figure 4, of the stator magnets as shown.
The use of odd and even numbers of mag- '
and comprises the brush 27 having a hub ?xed
on “the end of the shaft 7. This brush rotates nets on the rotor and stator, respectively, in
within the dielectric shell 28, provided with stead of even numbers as shown, will improve
internal ‘peripheral contacts 16', 17 ' , 18'. 19’, the torque curve by, removing any “dead
55
20’, 21’, 22', 23’, connected with the coils 26 centers” of attraction and repulsion. For
on the respective stator magnets designated instance, three, ?ve, seven or nine magnets,
by the same ordinals. This shell 28‘/has a - more or less may be arranged on the rotor to
-60
fourteen,
‘slotted flange 29, adjustably secured to the cooperate with eight, ten, ‘twelve,
casing 2 for‘ adjusting the advancing or re more ‘or less, on the stator, by changes in the
tarding of the energizing period‘ of the coils structure of the motor and current distribut-~
26,\with respect to the rotation of the shaft 7. ing means, within the skill of. those skilled in i
' Referring to Figure 4, the brush 27 is just this art. The capacity of the motor can be
65
increased to any practical extent by multi
passing to thecontact 20’.v The contacts 16’, plying
the rotor and stator‘magnets longi
18’,'20’, 22’ are in the same circuit and ener
tudinally
of the shaft 7.
gize the coils 26 on the stator magnets 16, 18,
This
invention
will operate’without. the
20, 22 simultaneously. The contacts 17 ’, 19’,
3
1,869,648
stator magnets, which merely contribute a
4. A motor comprising a rotor having a
repulsive force, when the shunts thereon are set of permanent magnets thereon, a stator
neutralized.
'
having a set of permanent magnets thereon,
The masses of the soft iron cores 25 are arranged in repulsive relation to said rotor
normally attractive to the rotor magnets 11, magnets, armatures across the poles of one 70
12, 13, 14. But if they are given a positive of said sets of magnets, windings on said are
polarity by the current ?owing through the matures, and means for intermittently pass
coils 26, as described, they can be made repul ing an electric current through said windings.
sive to said rotor magnets.
5. A motor comprising a rotor having a
Likewise, they can be made more attractive set ofpermanent magnets thereon, a stator
to the rotor magnets by inducing an attrac having a set of permanent magnets there
tive polarity in the cores 25. That is to say, on arranged in repulsive relation to said ro
as the rotor magnets, approach the cores 25, tor ~magnets, electro-magnets arranged in
these cores can be electrically ma netized to proximity to said permanent magnets and
15
present S poles'to the N poles o the rotor means for reversing the polarity of said elec
magnets and attract them.
'tro-magnets.
Contrawise, at the proper instant, the
20
80
6. A motor comprising a rotor having a
polarity of the cores 25 can be reversed, by set of permanent magnets thereon, a stator
reversing the direction of ?ow of the current having a set of permanent magnets thereon
through the coils 26, rendering these cores arranged in repulsive relation to said rotor
85
repulsive to the passing rotor magnets. magnets, electro-magnets arranged in proxi
This gives both a pull and push impulse to mity to said permanent magnets, a source
the rotor magnets from the cores 25, by the of electric current connected to said electro
obvious expedient of introducing the con magnets, and a distributor interposed in said
- ventional current reversing means in ‘the connection between said source and said elec
30
ac
power circuit of the coils 26.
tro-magnets and driven by said rotor.
This invention is in effect the inversion of
7. A motor comprising a rotor having a
the magneto, and is believed to mark a depar set of permanent magnets thereon, a stator
ture in the art.
having a set of permanent magnets thereon
The use of electric current in this manner arranged in repulsive relation to said rotor
95
keeps the associated permanent magnets up magnets, electro-magnets having their cores
to near saturation.
arranged to normally shunt the ?ux of one
It is also obvious to those skilled in the of said sets of magnets, means operated by
art that the relative positions of the cores 25 said rotor for intermittently energizing said
and the permanent magnets may be reversed.
That is the permanent magnets may be made
electro-magnets.
’
100
8. A motor comprising a rotor having a
the stator element and the cores be mounted set of permanent magnets thereon, a stator
upon the rotor with like results.
having a set of permanent magnets there
U)
Having thus described this invention, what on,’ arranged in repulsive relation to said
I claim and desire to secure by Letters Pat
ent 1s:
rotor magnets, armatures across the poles of
one of said sets of magnets to normally neu
1. A motor comprising in combination tralize their repulsion to said other set of ,
movable permanent ma nets, ?xed perma
nent magnets, the poles ogsaid magnets being
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magnets, windings on said armatures adapt
ed to reverse the normal polarity of said ar
arranged in repulsive relation, and means matures in circuit with a source of electric
for electrically modifying the ?ux of said current, a circuit interrupter in said circuit,
magnets whereby the movable magnets will operated by said rotor.
move past said ?xed magnets.
In testimony whereof I have hereto set my
2. A motor comprising in combination a hand this 31st day of August, A. D. 1929.
movable'permanent magnet, a ?xed perma
HARRY L. WORTHINGTON.
nent magnet, the poles of said mognets being
arranged in repulsive. relation, one of said
magnets being shunted, and means for re
110
115
versing the polarity of said shunt.
3. A motor comprising a rotor, permanent
magnets carried by said rotor, having their
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poles parallel to the axis of said rotor, a
stator, permanent magnets carried by said
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stator having their poles also arranged par
allel to the axis of said rotor, the poles of the
magnets uponv the rotor and upon the stator '
being arranged in repulsive relation, one of
said sets of magnets being shunted, and elec
trical means for intermittently reversing the
polarity of said shunts.
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