Multiple two-node windings electrical motors controllers

• US 5,293,518 A
• Filed: 08/19/1991
• Issued: 03/08/1994
• Est. Priority Date: 09/17/1980
• Status: Expired due to Term

• Current Assignee: John T.R. Wilson
• Original Assignee: John T.R. Wilson
• Inventors: Wilson, John T. R.
• Primary Examiner(s): Ro, Bentsu
• Application Number:
  US07/746,602
• Time in Patent Office: 932 Days
• Field of Search: 318/139, 318/244, 318/245, 318/246, 318/439, 318/256, 318/257, 318/288, 318/290, 318/291, 318/292, 318/293, 318/538, 318/539, 318/541, 318/542, 318/287, 310/184, 310/185, 310/209, 310/229
• US Class Current: 318/400.42
• CPC Class Codes: H02P 7/08 by manual control without auxiliary power

Abstract

The invention discloses a controller for controlling an electric motor having a stator and an armature, the stator includes stator magnetic poles, the armature includes multiple two-node, open circuit armature windings. The armature windings are inductively linked the armature and insulated from the armature and from each other. The motor has at least one repeatable section, each repeatable section includes a group of poles and windings. The stator has two stator magnetic poles per repeatable section. The controller comprises magnetomotive force means for energizing the stator magnetic poles as a north pole and a south pole per repeatable section with adjacent poles being of opposite polarity, means to control electrical currents in from none to at least one two-node, open circuit armature winding thereby forming armature electromagnetic poles of various numbers to the strength levels available, with adjacent armature electromagnetic poles having opposite polarity, and with no more than two armature electromagnetic poles per repeatable section, to control the force and torque generated by the motor.

Claims

1. A controller for an electric motor comprising:

a motor including a stator and an armature and the stator including stator magnetic poles and the armature including multiple two-node, open circuit armature windings inductively linkage the armature and insulated from the armature and from each other;

the motor having at least one repeatable section, wherein a repeatable section includes a group of poles and windings;

the stator having two stator magnetic poles per repeatable section;

magnetomotive force means energizing the stator magnetic poles as a north pole and a south pole per repeatable section, and with adjacent poles being of opposite polarity; and

means to control electrical currents in from none to at least one two-node, open circuit armature winding thereby forming armature electromagnetic poles of various numbers to the strength levels available, with adjacent armature electromagnetic poles having opposite polarity, and with no more than two armature electromagnetic poles per repeatable section, to control the force and torque generated by the motor.

2. A controller as in claim 1 wherein the means to control includes a means for sequences of:

electrical connections to the nodes of the two-node, open circuit armature windings from electrical power sources;

and in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.

3. A controller as in claim 1 wherein the magnetomotive force means comprises at least one stator winding inductively linkage at least one stator magnetic pole;

and

the means to control electrical currents includes means to control electrical currents in from none to at least one stator winding.

4. A controller as in claim 3 wherein the means to control includes a means for sequence of:

electrical connections to the nodes of the two-node, open circuit armature windings from electrical power sources;

electrical connections to the nodes of the at least one stator winding; and

in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.

5. A controller for an electric motor comprising:

a motor including a stator and an armature and the stator including stator magnetic poles and the armature including multiple two-node, open circuit armature windings inductively linkage the armature and insulated from the armature and from each other;

the motor having at least one repeatable section, wherein a repeatable section includes a group of poles and windings;

the stator having two stator magnetic poles per repeatable section and the stator magnetic poles being separated by separations designated within each repeatable section as first separation and second separation, and said separations being placed alternately first and second in the direction of relative movement between the stator and the armature;

magnetomotive force means energizing the stator magnetic poles as a north pole and a south pole per repeatable section, and with adjacent poles being of opposite polarity;

means forming two armature electromagnetic poles per repeatable section, and with adjacent armature electromagnetic poles having opposite polarity; and

means to control the relative orientation of the armature electromagnetic poles with respect to the stator magnetic poles by as much as one stator magnetic pole pitch to control the direction and magnitude of motor force and torque as follows;

the direction being forward when a north-polarity armature electromagnetic pole adjacent to the first separation moves to approach a south-polarity stator magnetic pole,

the direction being reverse when a north-polarity armature electromagnetic pole adjacent to the second separation moves to approach a south-polarity stator magnetic pole, and

the magnitude of motor force and torque being controlled between a maximum obtained when the armature electromagnetic poles are equidistant between the stator magnetic poles and a minimum obtained when the armature electromagnetic poles are closest to the stator magnetic poles.

6. A controller as in claim 5 wherein the magnetomotive force means comprises at least one stator winding inductively linking at least one stator magnetic pole per repeatable section.

7. A controller for an electric motor comprising:

a motor including a stator and an armature and the stator including stator magnetic poles and the armature including multiple two-node, open circuit armature windings inductively linkage the armature and insulated from the armature and from each other;

the motor having at least one repeatable section, wherein a repeatable section includes a group of poles and windings;

the stator having two stator magnetic poles per repeatable section and the stator magnetic poles being separated by separations designated within each repeatable section as first separation and second separation, and said separation being placed alternately first and second in the direction of relative movement between the stator and the armature;

magnetomotive force means energizing the stator magnetic poles as a north pole and a south pole per repeatable section, and with adjacent poles being a opposite polarity;

means to control electrical currents in form none to at least one two-node, open circuit armature winding thereby forming armature electromagnetic poles of various numbers to the strength levels available, with adjacent armature electromagnetic poles having opposite polarity, and with no more than two armature electromagnetic poles per repeatable section;

means to orient the armature electromagnetic poles with respect to the stator magnetic poles by as much as one stator magnetic pole pitch to control the direction and magnitude of motor force and torque as follows;

the direction being forward when a north-polarity armature electromagnetic pole adjacent to the first separation moves to approach a south-polarity stator magnetic pole,

the direction being reverse when a north-polarity armature electromagnetic pole adjacent to the second separation moves to approach a south-polarity stator magnetic pole, and

the magnitude of motor force and torque being controlled between a maximum obtained when the armature electromagnetic poles are equidistant between the stator magnetic poles and a minimum obtained when the armature electromagnetic poles are closest to the stator magnetic poles; and

means to cooperatively control the means to control electrical currents and the means to orient, to control the magnitude and direction of motor force and torque.

8. A controller as in claim 7 wherein the means to cooperatively control includes a means for sequences of:

electrical connections to the nodes of the two-nodes, open circuit armature windings from electrical power sources;

the orientation of the armature electromagnetic poles with respect to the stator magnetic poles; and

in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.

9. A controller as in claim 7 wherein the magnetomotive force means comprises at least one stator winding inductively linkage at least one stator magnetic pole per repeatable section;

and

the means to control electrical currents includes means to control electrical currents in from none to at least one stator winding.

10. A controller as in claim 9 wherein the means to cooperatively control includes a means for sequence of:

electrical connections to the nodes of the two-node, open circuit armature windings from electrical power sources;

electrical connections to the nodes of the at least one stator winding;

the orientation of the armature electromagnetic poles with respect to the stator magnetic poles; and

in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.

11. A controller for an electric motor comprising:

a motor including a stator and an armature and the stator including stator magnetic poles and the armature including multiple two-node, open circuit armature windings inductively linking the armature and insulated from the armature and from each other;

the motor having at least one repeatable section, wherein a repeatable section includes a group of poles and windings;

the stator having two stator magnetic poles per repeatable section;

magnetomotive force means energizing the stator magnetic poles as a north pole and a south pole per repeatable section, and with adjacent poles being of opposite polarity;

means to control electrical currents in from none to at least one two-node, open circuit armature winding thereby forming armature electromagnetic poles of various numbers to the strength levels available, with adjacent armature electromagnetic poles having opposite polarity, and with no more two armature electromagnetic poles per repeatable section;

means to recover electromagnetic energy format least one un-energized, two-node, open circuit armature winding as electrical energy; and

a second means to control the means to control electrical currents and the means to recover electromagnetic energy, to control the force and torque generated by the motor.

12. A controller as in claim 11 wherein the second means to control includes a means for sequences of:

electrical connections to the nodes of the two-node, open circuit armature windings from;

electrical power sources;

electrical energy dissipating devices;

each other;

and in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.

13. A controller as in claim 11 wherein the magnetomotive force means comprises at least one stator winding inductively linkage at least one stator magnetic pole.

14. A controller for an electric motor comprising:

a motor including a stator and an armature and the stator including stator magnetic poles and the armature including multiple two-node, open circuit armature windings inductively linkage the armature and insulated from the armature and from each other;

the motor having at least one repeatable section, wherein a repeatable section includes a group of poles and windings;

the stator having two stator magnetic poles per repeatable section and the stator magnetic poles being separated by separations designated within each repeatable section as first separation and second separation, and said separations being placed alternately first and second in the direction of relative movement between the stator and the armature;

magnetomotive force means energizing the stator magnetic poles as a north pole and a south pole per repeatable section, and with adjacent poles being of opposite polarity;

means forming two armature electromagnetic poles per repeatable section, and with adjacent armature electromagnetic poles having opposite polarity;

means to recover electromagnetic energy from at least one un-energized, two-node, open circuit armature winding as electrical energy; and

means to control the means to recover electromagnetic energy and means to control relative orientation of the armature electromagnetic poles with respect to the stator magnetic poles by as much as one stator magnetic pole pitch to control the direction and magnitude of motor force and torque as follows;

the direction being forward when a north-polarity armature electromagnetic pole adjacent to the first separation moves to approach a south-polarity stator magnetic pole,

the direction being reverse when a north-polarity armature electromagnetic pole adjacent to the second separation moves to approach a south-polarity stator magnetic pole, and

the magnitude of motor force and torque being controlled between a maximum obtained when the armature electromagnetic poles are equidistant between the stator magnetic poles and a minimum obtained when the armature electromagnetic poles are closest to the stator magnetic poles.

15. A controller as in claim 14 wherein the magnetomotive force means comprises at least one stator winding inductively linkage at least one stator magnetic pole per repeatable section.

16. A controller for an electric motor comprising:

a motor including a stator and an armature and the stator including stator magnetic poles and the armature including multiple two-node, open circuit armature windings inductively linking the armature and insulated from the armature and from each other;

the motor having at least one repeatable section, wherein a repeatable section includes a group of poles and windings;

the stator having two stator magnetic poles per repeatable section and the stator magnetic poles being separated by separations designated within each repeatable section as first separation and second separation, and said separations being placed alternately first and second in the direction of relative movement between the stator and the armature;

magnetomotive force means energizing the stator magnetic poles as a north pole and a south pole per repeatable section, and with adjacent poles being of opposite polarity;

means to control electrical currents in from none to at least one two-node, open circuit armature winding thereby forming armature electromagnetic poles of various numbers to the strength levels available, with adjacent armature electromagnetic poles having opposite polarity, and with no more than two armature electromagnetic poles per repeatable section;

means to recover electromagnetic energy from at least one un-energized, two-node, open circuit armature winding as electrical energy;

means to control the relative orientation of the armature electromagnetic poles with respect to the stator magnetic poles by as much as one stator magnetic pole pitch to control the direction and magnetude of motor force and torque as follows;

the direction being forward when a north-polarity armature electromagnetic pole adjacent to the first separation moves to approach a south-polarity stator magnetic pole,

the direction being reverse when a north-polarity armature electromagnetic pole adjacent to the second separation moves to approach a south-polarity stator magnetic pole, and

the magnitude of motor force and torque being controlled between a maximum obtained when the armature electromagnetic poles are equidistant between the stator magnetic poles and a minimum obtained when the armature electromagnetic poles are closest to the stator magnetic poles;

said orientation being maintained at a controlled value as the relative movement occurs by the means to control electrical currents, shifting the armature electromagnetic poles on the armature by flowing current to at least one unenergized, two-node, open circuit armature winding and by interrupting current to at least one previously energized, two-node, open circuit armature winding; and

means to cooperatively control the means to control electrical currents, the means to recover electromagnetic energy, and the means to control the relative orientation, to control the force and torque generated by the motor.

17. A controller as in claim 16 wherein the means to cooperatively control includes a means for sequences of:

electrical connections to the nodes of the two-node, open circuit armature windings from;

electrical power sources;

electrical energy dissipating devices;

each other;

the orientation of the armature electromagnetic poles with respect to the stator magnetic poles; and

in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.

18. A controller as in claim 16 wherein the magnetomotive force means comprises at least one stator winding inductively linking at least one stator magnetic pole per repeatable section;

and

the means to control electrical currents includes means to control electrical currents in from non to at least one stator winding.

19. A controller as in claim 18 wherein the means to cooperatively control includes a means for sequences of:

electrical connections to the nodes of the two-node, open circuit armature windings from;

electrical power sources;

electrical energy dissipating devices;

each other;

electrical connections to the respective nodes of the at least one stator winding;

the orientation of the armature electromagnetic poles with respect to the stator magnetic poles; and

in multiple-repeatable-sections motors;

the electrical connections to repeatable sections in groups of repeatable sections capable of generating force and torque in dynamic balance; and

the electrical connections to the nodes of the two-node, open circuit armature windings having one node in one repeatable section and the respective mating node in an adjacent repeatable section.