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Spiral Magnetic Gradient
Motor: Axial & Radial Magnets
Thomas Valone, PhD, PE
Integrity Research Institute
Vigier Symposium, Morgan State Univ., November 19, 2014
http://www.NoeticAdvancedStudies.us/index9.html
Credit: Tom
Schum for
this 4” spiral
stator
construction
II met Vigier in 2002
at Swiss Weinfelden
conference
sponsored by the Inst.
of New Energy
Technology (INET)
Here Prof. Vigier
shows Lithium-7
and a proton will
yield “more than
400% excess
energy” producing
hydrogen and a
gamma ray
Weinfelden Conference
summary is online
Key to Future Energy Sources:
Gradients are the Requisite Means
• Thermal gradient is used for heat pump
• Voltage gradient is used for electrical power
• Gravity gradient is used for hydroelectric power
• Pressure gradient used for natural gas and water
pumping
• Magnetic gradient from inhomogeneous
permanent magnets is used for nothing so far
except in physics labs for experiments
Net Force in the
direction of gradient
= the magnetic field
gradient multiplied
by the induced
magnetic moment,
as with the Stern-
Gerlach Experiment
Hartman Patent #4,215,330
Side View
10 degree incline
drop-off
--Modern Physics, Schaumm’s Outline Series, Gautreau et al., McGraw Hill, 1978
Their experimental setup: The magnetic field B is more
intense near the pointed surface at the top than near the flat
surface below, creating a slope in a graph of B vs. z ,
which is the gradient dB/dz.
Steel ball
bearing #4
Top View
Fz
z
Inhomogeneous Magnetic Fields =
Magnetic Gradient
Two experimental examples that utilize the magnetic field gradient
Spiral Magnetic Motor (SMM)
Uses the Magnetic Gradient
Popular Science, June 1979
Hartman Patent 4,215,330
d
dBMF cos
dz
dBFZ cos z
In both cases cos Φ is angle between
magnetic moment and B
Spiral Magnetic Motor (SMM) Archimedean spiral is used
for SMM stator magnets
where r = 6 + θ/2 and B(r) is
linearly dependent on θ
6”
Creates a constant torque for
more than 75% of each cycle
F = U where U = M ∙ B and
r rU M B M B
r rU M B M B
Resultant force is the vector sum of the tangential (θ) and the centripetal (r)
Spring
Latch
overshoot
Multi-Stage SMM
Three-Six Magnet SMM
Mirror Image Impacting SMM
SMM Governing Equations
r
BM
B
r
MF rr
Fr
BMT r x
2
21 EU oE
o
B
BU
2
21
For a maximum B field in air of 20 kG
(2 Tesla), UB = 2 MJ/m3 (megajoules)
For a maximum E field in air of
3 MV/m, UE = 40 J/m3
(2,000,000 = 40 X 50,000)
Maximize radial B field (Br) for maximum torque*
0
ENERGY DENSITY CONSIDERATIONS: B-FIELD = 50K x E-FIELD
dTW
*So this paper will include the Radial Magnetic Field models
Experimental Results
Six SMM
designs were
tested: 1, 3, 4,
6, 10” rotors
kG
▲ = rotor, ♦ = stator magnetic flux density
Spiral Magnetic Motor Angular Velocity
0
2
4
6
8
10
12
14
16
18
0.4 0.8 1.6 2.4 3 3.8 4.6
Angular Displacement (radians)
An
gu
lar
Velo
cit
y (
rad
/sec)
1" rotor
3" rotor
4" rotor
6" rotor
10" rotor
Poly. (4" rotor)
Polynomial Fit
0 90⁰ 180⁰ 270⁰ - - degrees
- - -Data acquisition limit- - -
315° is latch
point
315/360 = 88%
3” rotor
SMM ANGULAR VELOCITY
Measuring Back Torque
Ohaus linear force scale +/- 1 N
Peak KE, Back Torque, Mass, B-Field
5 Rotors Tested: 1.25”, 3”, 4”, 6”, 10”
10” rotor:
0.80 Joules
Highest KE
Phototransistor detail
Peak Values:
-0.5
0
0.5
1
1.5
Angular Displacement (degrees)
10"
Roto
r T
orq
ue (
N-m
)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
10" R
oto
r P
ote
nti
al E
nerg
y (
J)
0 90 180 270 360
Rotor Torque and Potential Energy for One Cycle
Torque Measurement T=rxF
dTW
Positive
Work
Region
Negative Work Region
315°
Positive work required to
move latched rotor at 315° to
end (starting point) at 360° :
W = 0.52 Joules
which is less than 0.80 J KE
10” rotor tests
88%
Prof. Eric Laithwaite’s Suggestion
for Increased Torque
Place metal plate of particular permeability underneath rotor in order to produce:
Favorable Hysteresis Currents
Laithwaite Eric, Propulsion Without Wheels, English Univ. Press, 1970
Hysteresis is Lag Response –
Depends on Permeability and
Resistivity*
teH
B
2
81
Designing the Growth of Eddy Currents to Match Rotation Speed
teH
B
2
81 )4/( 2
*Bozorth, Ferromagnetism, J. Wiley & Sons, 2003
ρ = resistivity, µ = permeability, δ = thickness of plate, H field is suddenly applied
Choosing aluminum or copper for example, the permeability will be the same as free
space (µo = 4π × 10-7), which is very low and the resistivity is also low. Choosing an
aluminum plate that is about a centimeter (1 cm) thick would also be a good choice
since the thickness of the sheet "delta" is squared and also in the numerator. Altogether,
the calculation shows a relatively slow build-up over a tenth of a second and only
about 30% at a millisecond after the stator field magnet is applied to the rotating disk,
which is in keeping with a delayed eddy current that would push instead of retard the
changing flux as is normally expected from Lenz’ Law.
Wiegand wires are FeCoV bistable
Vicalloy metal with 2 regions
US 1973 patent # 3,757,754
Used for years for auto ignitions
Provides repeatable magnetic pulse
Pop. Science Wiegand causes Barkhausen avalanche of magnetic domain alignment
Inverse
magnetostrictive (MS)
effect combined with a
piezoelectric material
(PZT) and voltage
MS-PZT
coil
IEEE Trans on Magnetics, V. 43, N. 8, 2007
Switching Actuation for SMM
Piezo actuator can
move ½ lb object
repeatedly with only
voltage from
Smart-Materials.com
0.12 mH ultra-minature
coil inductor is a simple
pulse generator
New Radial Magnet Rotor
Dual V-Track Design
Note: former STATOR magnets are now on the ROTOR and a
single pair of magnets are on the movable stator above.
Radial V-Track Stator Magnet
Conclusion
• SMM designs now provide almost 90%
permanent magnet powered cycle
• Actuation needed for switching magnetic
fields during last 10%
• Many energy harvesting means for
powering actuation now have emerged to
make this long-sought-after goal
achievable
• Details provided in paper