US5319336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Levitation device
Assignee: Individual
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Filing: 1990-10-29
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Granted: 1994-06-07
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Expires: 2010-10-29
Abstract
Abstract The present invention provides an improved magnetic levitation system for the stable or rigid levitation of a body. The object to be levitated is maintained in an equilibrium position above a flat guideway or a plurality of continuous guideways. The rigidity of the levitation is at least in part achieved by the orientation of the axis through the poles of the magnet in a direction perpendicular to the direction of relative motion between the magnet and the conductor.
Inventors
- 👤 Andrew R. Alcon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:12
CPC Classifications
H; H02; H02N; H02N15/00; H02N15/02; B; B60; B60L; B60L13/00; B60L13/04; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
184 words
An improved magnetic levitation system for the lateral stable levitation of a body, comprising: magnet means forming at least a portion of the body and creating a magnetic flux formed from two opposite magnetic poles; a non-superconducting conducting guideway below said magnet means; said magnet means being positioned such that an axis which runs through the magnetic poles is in a plane acute to the horizontal and is perpendicular to a direction of relative motion of said non-superconducting conducting guideway; and the system being operable to impart a motion to said magnet means relative to said non-superconducting conducting guideway which produces eddy currents in said non-superconducting conducting guideway creating a levitation force and a lateral stabilization force between said magnet means and said non-superconducting conducting guideway creating a levitation force and a lateral stabilization force between said magnet means and said non-superconducting conducting guideway wherein the relative motion between said magnet means and said non-superconducting conducting guideway is greater than a threshold velocity required to achieve levitation given conditions of a magnetic field strength of said magnet means and a mass of the body.
Claim 2
Dependent Claim
184 words
An improved magnetic levitation system for the lateral stable levitation of a body, comprising: magnet means forming at least a portion of the body and creating a magnetic flux formed from two opposite magnetic poles; a non-superconducting conducting guideway below said magnet means; said magnet means being positioned such that an axis which runs through the magnetic poles is in a plane acute to the horizontal and is perpendicular to a direction of relative motion of said non-superconducting conducting guideway; and the system being operable to impart a motion to said magnet means relative to said non-superconducting conducting guideway which produces eddy currents in said non-superconducting conducting guideway creating a levitation force and a lateral stabilization force between said magnet means and said non-superconducting conducting guideway creating a levitation force and a lateral stabilization force between said magnet means and said non-superconducting conducting guideway wherein the relative motion between said magnet means and said non-superconducting conducting guideway is greater than a threshold velocity required to achieve levitation given conditions of a magnetic field strength of said magnet means and a mass of the body.
Claim 3
Dependent Claim
86 words
The magnetic levitation system according to claim 1 wherein said non-superconducting conducting guideway comprises a first disc, which is operable to rotate around a central axis and a second disc which is operable to rotate around a central axis and placed juxtapositional relative to said first disc such that when said first disc and said second disc are rotated in opposite directions at relatively equivalent velocities, a retardation force and the levitation force created by the eddy currents will stabilize said magnet means between said discs.
Claim 4
Dependent Claim
33 words
The magnetic levitation system according to claim 1, wherein said magnet means is a geometrically shaped body selected from the group of geometrical shapes consisting of cylinders, rectangles, squares, toroids and combinations thereof.
Claim 5
Dependent Claim
15 words
The magnetic levitation system according to claim 1, wherein said magnet means is permanent magnet.
Claim 6
Dependent Claim
26 words
The magnetic levitation system according to claim 1, wherein said non-superconducting conducting guideway includes a metal from the group consisting of aluminum, copper, silver and gold.
Claim 7
Dependent Claim
15 words
The magnetic levitation system according to claim 1, wherein said magnet means is an electromagnet.
Claim 8
Dependent Claim
16 words
The magnetic levitation system according to claim 1, wherein said magnet means is a superconducting magnet.
Claim 9
Dependent Claim
163 words
An improved magnetic levitation system for the lateral stable levitation of a body, comprising: magnet means forming at least a portion of the body and creating a magnetic flux formed from two opposite magnetic poles; a non-superconducting conducting guideway below said magnet means; said magnet means being positioned such that an axis which runs through the magnetic poles is in a horizontal plane and is perpendicular to a direction of relative motion of said non-superconducting conducting guideway; and the system being operable to impart a motion to said magnet means relative to said non-superconducting conducting guideway which produces eddy currents in said non-superconducting conducting guideway creating a levitation force and a lateral stabilization force between said magnet means and said non-superconducting conducting guideway wherein the relative motion between said magnet means and said non-superconducting conducting guideway is greater than a threshold velocity required to achieve levitation given conditions of a magnetic field strength of said magnet means and a mass of the body.
Claim 10
Dependent Claim
163 words
An improved magnetic levitation system for the lateral stable levitation of a body, comprising: magnet means forming at least a portion of the body and creating a magnetic flux formed from two opposite magnetic poles; a non-superconducting conducting guideway below said magnet means; said magnet means being positioned such that an axis which runs through the magnetic poles is in a horizontal plane and is perpendicular to a direction of relative motion of said non-superconducting conducting guideway; and the system being operable to impart a motion to said magnet means relative to said non-superconducting conducting guideway which produces eddy currents in said non-superconducting conducting guideway creating a levitation force and a lateral stabilization force between said magnet means and said non-superconducting conducting guideway wherein the relative motion between said magnet means and said non-superconducting conducting guideway is greater than a threshold velocity required to achieve levitation given conditions of a magnetic field strength of said magnet means and a mass of the body.
Claim 11
Dependent Claim
86 words
The magnetic levitation system according to claim 8, wherein said non-superconducting conducting guideway comprises a first disc, which is operable to rotate around a central axis and a second disc which is operable to rotate around a central axis and placed juxtapositional relative to said first disc such that when said first disc and said second disc are rotated in opposite directions at relatively equivalent velocities, a retardation force and the levitation force created by the eddy currents will stabilize said magnet means between said discs.
Claim 12
Dependent Claim
33 words
The magnetic levitation system according to claim 8, wherein said magnet means is a geometrically shaped body selected from the group of geometrical shapes consisting of cylinders, rectangles, squares, toroids and combinations thereof.
Claim 13
Dependent Claim
26 words
The magnetic levitation system according to claim 8, wherein said non-superconducting conducting guideway includes a metal from the group consisting of aluminum, copper, silver and gold.
Claim 14
Dependent Claim
15 words
The magnetic levitation system according to claim 8, wherein said magnet means is an electromagnet.
Claim 15
Dependent Claim
16 words
The magnetic levitation system according to claim 8, wherein said magnet means is a superconducting magnet.
Claim 16
Dependent Claim
204 words
An improved magnetic levitation system for the rigid levitation of a body, comprising: magnet means forming at least a portion of the body including a magnetic flux formed from two opposite magnetic poles; a first disc having a surface which is operable to rotate around a central axis; a second disc having a surface which is operable to rotate around a central axis; said magnet means being interposed above said first and said second disc and positioned such that an axis which runs through the magnetic poles is in a horizontal plane and is perpendicular to a direction of relative motion of said surface of said first and said second discs; and the system being operable to impart motion to said magnet means relative to said first and said second disc which produces eddy currents in said first and said second disc creating a levitation force and a lateral stabilization force between said magnet means and said first and said second disc wherein the relative motion between said magnet means and said first and said second discs is greater than a threshold velocity required to achieve levitation given conditions of a magnetic field strength of said magnet means and a mass of the body.
Claim 17
Dependent Claim
204 words
An improved magnetic levitation system for the rigid levitation of a body, comprising: magnet means forming at least a portion of the body including a magnetic flux formed from two opposite magnetic poles; a first disc having a surface which is operable to rotate around a central axis; a second disc having a surface which is operable to rotate around a central axis; said magnet means being interposed above said first and said second disc and positioned such that an axis which runs through the magnetic poles is in a horizontal plane and is perpendicular to a direction of relative motion of said surface of said first and said second discs; and the system being operable to impart motion to said magnet means relative to said first and said second disc which produces eddy currents in said first and said second disc creating a levitation force and a lateral stabilization force between said magnet means and said first and said second disc wherein the relative motion between said magnet means and said first and said second discs is greater than a threshold velocity required to achieve levitation given conditions of a magnetic field strength of said magnet means and a mass of the body.
Claim 18
Dependent Claim
16 words
The magnetic levitation system according to claim 8, wherein said magnet means is a permanent magnet.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-06-06 | 1997-12-06 | 1998-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-06-06 | 2001-12-06 | 2002-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-06-06 | 2005-12-06 | 2006-06-07 | $7700.00 | Window Closed / Lapsed |