Dual linear electrodynamic system and method
View Patent ↗An exemplary description provided for patent searches includes a linear electrodynamic system involving conversions between electrical power and mechanical motion uses unique magnet assemblies that move and unique stator assemblies and stator members shaped and oriented with respect to the moving magnet assemblies.
1. A linear electrodynamic system comprising:
a mover member configured to reciprocate having a path of travel including a first position of travel and a second position of travel;
a plurality of magnet pairs each comprising a first magnetic material coupled to the mover member and a second magnetic material coupled to the mover member, the first magnetic material positioned adjacent to the second magnetic material along the path of travel, the first magnetic material having a first surface portion of a first polarity and a second surface portion of a second polarity, the first surface portion of the first magnetic material being convex, the second magnetic material having a first surface portion of the second polarity and a second surface portion of the first polarity, the first polarity being an opposite polarity of the second polarity, the first surface portion of the second magnetic material being convex;
a stator comprising a stator assembly and a stator member, the stator being coaxial with the mover member on an axis parallel to the path of travel, the stator assembly being closer to the axis than the stator member, the stator assembly being coupled to the stator member and spaced therefrom such that the stator assembly is substantially stationary relative to the stator member when the mover member reciprocates along the path of travel, the stator assembly comprising a pole support and a plurality of stator poles each having an end portion and extending outwardly from the pole support toward the mover member, the first surface portion of the first magnetic material of each of the plurality of magnet pairs being in juxtaposition with the end portion of one of the plurality of stator poles of the stator assembly and the second surface portion of the first magnetic material of each of the plurality of magnet pairs being in juxtaposition with the stator member when the mover member is at the first position of travel, the first surface portion of the second magnetic material of each of the plurality of magnet pairs being in juxtaposition with the end portion of one of the plurality of stator poles of the stator assembly and the second surface portion of the second magnetic material of each of the plurality of magnet pairs being in juxtaposition with the stator member when the mover member is at the second position of travel, wherein the stator assembly, the stator member, and the mover member are so arranged to allow for a magnetic flux loop to pass therethrough, the flux loop defining a plane, wherein the path of travel is substantially perpendicular to the plane; and
for each of the plurality of stator poles, a winding wound about the stator pole and positioned between the end portion of the stator pole and the pole support.
2. The system of claim 1 further including a holder portion having a first surface with a first radius of curvature, wherein the first surface portions of the first magnetic material and the second magnetic material of the plurality of magnet pairs each have a second radius of curvature smaller than the first radius of curvature,
the first magnetic material and the second magnetic material of each of the plurality of magnet pairs is coupled to the mover member through the holder portion,
the first surface portions of the first magnetic material of the plurality of magnet pairs define a shape therebetween other than a cylinder, and
the first surface portions of the second magnetic material of the plurality of magnet pairs define a shape therebetween other than a cylinder.
3. The system of claim 2 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are recessed within a wall of the holder portion.
4. The system of claim 2 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are affixed to a second surface of the holder portion.
5. The system of claim 2 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are affixed to the first surface of the holder portion.
6. The system of claim 2 wherein the holder portion is shaped as a portion of a cylinder.
7. The system of claim 1 , wherein each of the plurality of stator poles corresponds with a different one of the plurality of magnet pairs,
the first surface portions of the first and second magnetic materials of each of the plurality of magnet pairs have substantially identical convex shapes, and
the end portions of the plurality of stator poles each have an outer surface having an outer surface shape corresponding to the convex shapes of the first surface portions of the first and second magnetic materials of the different one of the plurality of magnet pairs corresponding to the stator pole.
8. The system of claim 1 , wherein each of the plurality of stator poles corresponds with a different one of the plurality of magnet pairs,
the first surface portions of the first and second magnetic materials of each of the plurality of magnet pairs have substantially identical convex shapes, and
the end portions of the plurality of stator poles each have an outer surface having an outer surface shape corresponding to the convex shapes of the first surface portions of the first and second magnetic materials of the different one of the plurality of magnet pairs corresponding to the stator pole.
9. A linear electrodynamic system comprising:
a magnet assembly configured to reciprocate along a path of travel including a first position of travel and a second position of travel;
a first magnet pair;
a second magnet pair, each of the first and second magnet pairs comprising a first magnet coupled with and part of the magnet assembly, the first magnet having an interior surface portion with a first polarity, the first magnet having an exterior surface portion with a second polarity, the second polarity being an opposite polarity of the first polarity, each of the first and second magnet pairs further comprising a second magnet coupled with and part of the magnet assembly, the second magnet being positioned adjacent to the first magnet of the magnet pair along the path of travel, the second magnet having an interior surface portion with the second polarity, the second magnet having an exterior surface portion with the first polarity;
a stator member coaxial with the magnet assembly on an axis parallel to the direction of the path of travel;
a stator assembly coaxial with the axis and nearer the axis than the stator, member, the stator assembly having a first pole and a second pole, the first and second poles each having an end portion and extending radially away from the axis toward the stator member, the end portions of the first and second poles being separated from the stator member by a gap, the first and second poles defining a plane, wherein the path of travel is substantially perpendicular to the plane;
a first winding wound about the first pole and spaced from the end portion of the first pole toward the axis; and
a different second winding wound about the second pole and spaced from the end portion of the second pole toward the axis,
wherein the interior surface portion of the first magnet of the first magnet pair is in juxtaposition with the end portion of the first pole and the exterior surface portion of the first magnet of the first magnet pair is in juxtaposition with the stator member when the magnet assembly is at the first position of travel,
the interior surface portion of the second magnet of the first magnet pair is in juxtaposition with the end portion of the first pole and the exterior surface portion of the second magnet of the first magnet pair is in juxtaposition with the stator member when the magnet assembly is at the second position of travel,
the interior surface portion of the first magnet of the second magnet pair is in juxtaposition with the end portion of the second pole and the exterior surface portion of the first magnet of the second magnet pair is in juxtaposition with the stator member when the magnet assembly is at the first position of travel,
the interior surface'portion of the second magnet of the second magnet pair is in juxtaposition with the end portion of the second pole and the exterior surface portion of the second magnet of the second magnet pair is in juxtaposition with the stator member when the magnet assembly is at the second position of travel,
the interior surface portions of the first magnets of the first and second magnet pairs and the interior surface portions of the second magnets of the first and second magnet pairs each have a convex shape, and
the stator assembly, the stator member, and the magnet assembly are so arranged to allow for a magnetic flux loop to pass therethrough, the flux loop defining a plane, wherein the path of travel is substantially perpendicular to plane.
10. The system of claim 9 wherein the first pole extends away from the axis in a first radial direction and the second pole extends away from the axis in a second radial direction different from the first radial direction.
11. A linear electrodynamic system comprising:
a mover member configured to reciprocate having a path of travel including a first position of travel and a second position of travel;
a plurality of magnet pairs each comprising a first magnetic material coupled to the mover member and a second magnetic material coupled to the mover member, the first magnetic material positioned adjacent to the second magnetic material along the path of travel, the first magnetic material having a first surface portion of a first polarity and a second surface portion of a second polarity, the second magnetic material having a first surface portion of the second polarity and a second surface portion of the first polarity, the first polarity being an opposite polarity of the second polarity;
a stator comprising a stator assembly and a stator member, the stator being coaxial with the mover member on an axis parallel to the path of travel, the stator assembly being closer to the axis than the stator member, the stator assembly being coupled to the stator member and spaced therefrom such that the stator assembly is substantially stationary relative to the stator member when the mover member reciprocates along the path of travel, the stator assembly comprising a pole support and a plurality of stator poles each having an end portion and extending outwardly from the pole support toward the mover member, the first surface portion of the first magnetic material of each of the plurality of magnet pairs being in juxtaposition with the end portion of one of the plurality of stator poles of the stator assembly and the second surface portion of the first magnetic material of each of the plurality of magnet pairs being in juxtaposition with the stator member when the mover member is at the first position of travel, the first surface portion of the second magnetic material of each of the plurality of magnet pairs being in juxtaposition with the end portion of one of the plurality of stator poles of the stator assembly and the second surface portion of the second magnetic material of each of the plurality of magnet pairs being in juxtaposition with the stator member when the mover member is at the second position of travel, wherein the stator assembly, the stator member, and the mover member are so arranged to allow for a magnetic flux loop to pass therethrough, the flux loop defining a plane, wherein the path of travel is substantially perpendicular to the plane;
for each of the plurality of stator poles, a winding wound about the stator pole and positioned between the end portion of the stator pole and the pole support; and
a holder portion having a first surface with a first radius of curvature, wherein the first surface portions of the first magnetic material and the second magnetic material of the plurality of magnet pairs each have a second radius of curvature smaller than the first radius of curvature,
the first magnetic material and the second magnetic material of each of the plurality of magnet pairs is coupled to the mover member through the holder portion,
the first surface portions of the first magnetic material of the plurality of magnet pairs define a shape therebetween other than a cylinder, and
the first surface portions of the second magnetic material of the plurality of magnet pairs define a shape therebetween other than a cylinder.
12. The system of claim 11 wherein the first surface portion of the first magnetic material of each of the plurality of magnet pairs and the first surface portion of the second magnetic material of each of the plurality of magnet pairs are concave.
13. The system of claim 11 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are recessed within a wall of the holder portion.
14. The system of claim 11 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are affixed to a second surface of the holder portion.
15. The system of claim 11 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are affixed to the first surface of the holder portion.
16. The system of claim 11 wherein the holder portion is shaped as a portion of a cylinder.
17. The system of claim 11 , wherein each of the plurality of stator poles corresponds with a different one of the plurality of magnet pairs,
the first surface portions of the first and second magnetic materials of each of the plurality of magnet pairs have substantially identical convex shapes, and
the end portions of the plurality of stator poles each have an outer surface having an outer surface shape corresponding to the convex shapes of the first surface portions of the first and second magnetic materials of the different one of the plurality of magnet pairs corresponding to the stator pole.
18. A linear electrodynamic system comprising:
a mover member configured to reciprocate having a path of travel including a first position of travel and a second position of travel;
a plurality of magnet pairs each comprising a first magnetic material coupled to the mover member and a second magnetic material coupled to the mover member, the first magnetic material positioned adjacent to the second magnetic material along the path of travel, the first magnetic material having a first surface portion of a first polarity and a second surface portion of a second polarity, the second magnetic material having a first surface portion of the second polarity and a second surface portion of the first polarity, the first polarity being an opposite polarity of the second polarity, the first surface portions of the first and second magnetic materials of each of the plurality of magnet pairs have substantially identical contoured shapes, the contoured shapes of the first surface portions of the first magnetic materials of the plurality of magnet pairs defining a shape other than a cylinder therebetween;
a stator comprising a stator assembly and a stator member, the stator being coaxial with the mover member on an axis parallel to the path of travel, the stator assembly being closer to the axis than the stator member, the stator assembly being coupled to the stator member and spaced therefrom such that the stator assembly is substantially stationary relative to the stator member when the mover member reciprocates along the path of travel, the stator assembly comprising a pole support and a plurality of stator poles each having an end portion and extending outwardly from the pole support toward the mover member, each of the plurality of stator poles corresponding with a different one of the plurality of magnet pairs, the end portion of each of the plurality of stator poles having an outer surface having an outer surface shape corresponding to the contoured shapes of the first surface portions of the first and second magnetic materials of the different one of the plurality of magnet pairs corresponding to the stator pole, the first surface portion of the first magnetic material of each of the plurality of magnet pairs being in juxtaposition with the end portion of the corresponding one of the plurality of stator poles of the stator assembly and the second surface portion of the first magnetic material of each of the plurality of magnet pairs being in juxtaposition with the stator member when the mover member is at the first position of travel, the first surface portion of the second magnetic material of each of the plurality of magnet pairs being in juxtaposition with the end portion of the corresponding one of the plurality of stator poles of the stator assembly and the second surface portion of the second magnetic material of each of the plurality of magnet pairs being in juxtaposition with the stator member when the mover member is at the second position of travel, wherein the stator assembly, the stator member, and the mover member are so arranged to allow for a magnetic flux loop to pass therethrough, the flux loop defining a plane, wherein the path of travel is substantially perpendicular to the plane; and
for each of the plurality of stator poles, a winding wound about the stator pole and positioned between the end portion of the stator pole and the pole support.
19. The system of claim 18 wherein the first surface portion of the first magnetic material of each of the plurality of magnet pairs and the first surface portion of the second magnetic material of each of the plurality of magnet pairs are concave.
20. The system of claim 18 wherein the first surface portion of the first magnetic material of each of the plurality of magnet pairs and the first surface portion of the second magnetic material of each of the plurality of magnet pairs are convex.
21. The system of claim 18 further including a holder portion having a first surface with a first radius of curvature, wherein the first surface portions of the first magnetic material and the second magnetic material of the plurality of magnet pairs each have a second radius of curvature smaller than the first radius of curvature, and
the first magnetic material and the second magnetic material of each of the plurality of magnet pairs is coupled to the mover member through the holder portion.
22. The system of claim 21 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are recessed within a wall of the holder portion.
23. The system of claim 21 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are affixed to a second surface of the holder portion.
24. The system of claim 21 wherein the first magnetic material and the second magnetic material of each of the plurality of magnet pairs are affixed to the first surface of the holder portion.
25. The system of claim 21 wherein the holder portion is shaped as a portion of a cylinder.