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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 
dB 
F  M cos 
dz 
dB 
FZ   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 r U M B M B     
r r U 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 
B 
M 
B 
r 
M 
F r r 
 
 
 
 
 
 
 
r F 
B 
T M r  x 
 
 
 
 
2 
2 
U 1 E E o   
o 
B 
B 
U 
 
2 
2 
 1 
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 
W  T d 
*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) 
Angular Velocity (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" Rotor Torque (N-m) 
0 
0.1 
0.2 
0.3 
0.4 
0.5 
0.6 
0.7 
0.8 
0.9 
10" Rotor Potential Energy (J) 
0 90 180 270 360 
Rotor Torque and Potential Energy for One Cycle 
Torque Measurement T=rxF 
W  T d 
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* 
t e 
H 
B  
  
   2 
8 
1 
Designing the Growth of Eddy Currents to Match Rotation Speed 
t e 
H 
B  
  
   2 
8 
1 /(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

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Spiral magnet grad radial mags 2014

  • 1. 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
  • 2. 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
  • 3. 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
  • 4. 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
  • 5. Spiral Magnetic Motor (SMM) Uses the Magnetic Gradient Popular Science, June 1979 Hartman Patent 4,215,330    d dB F  M cos dz dB FZ   cos z In both cases cos Φ is angle between magnetic moment and B
  • 6. 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 r U M B M B     r r U M B M B     Resultant force is the vector sum of the tangential (θ) and the centripetal (r) Spring Latch overshoot
  • 10. SMM Governing Equations r B M B r M F r r        r F B T M r  x     2 2 U 1 E E o   o B B U  2 2  1 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 W  T d *So this paper will include the Radial Magnetic Field models
  • 11. Experimental Results Six SMM designs were tested: 1, 3, 4, 6, 10” rotors kG ▲ = rotor, ♦ = stator magnetic flux density
  • 12. 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) Angular Velocity (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
  • 13. Measuring Back Torque Ohaus linear force scale +/- 1 N
  • 14. 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:
  • 15. -0.5 0 0.5 1 1.5 Angular Displacement (degrees) 10" Rotor Torque (N-m) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 10" Rotor Potential Energy (J) 0 90 180 270 360 Rotor Torque and Potential Energy for One Cycle Torque Measurement T=rxF W  T d 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%
  • 16. 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
  • 17. Hysteresis is Lag Response – Depends on Permeability and Resistivity* t e H B       2 8 1 Designing the Growth of Eddy Currents to Match Rotation Speed t e H B       2 8 1 /(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.
  • 18. 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
  • 19. Inverse magnetostrictive (MS) effect combined with a piezoelectric material (PZT) and voltage MS-PZT coil IEEE Trans on Magnetics, V. 43, N. 8, 2007
  • 20. 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
  • 21. 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.
  • 23. 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