US 8,350,663 B1 · Rotary switchable multi-core element permanent magnet-based apparatus

a. Configuring core elements to be integrated into a carrier platter, each core element comprised of one or more permanent magnets, with a magnetic north pole and a magnetic south pole and two magnetically soft or hard pole conduits, the magnetic poles of the permanent magnet or permanent magnets each having a magnetic pole face and each being adjacent and affixed to the two pole conduits, the permanent magnet or permanent magnets within each core element oriented such that the magnetic north pole of the permanent magnet or the magnetic north poles of the permanent magnets are adjacent and affixed to one pole conduit and the magnetic south pole of the permanent magnet or the magnetic south poles of the permanent magnets are adjacent and affixed to the other pole conduit, said pole conduits being capable of containing and redirecting the magnetic fields of the permanent magnet or permanent magnets, wherein:

1. Each core element is comprised of separate structures for each pole conduit and integrated into a nonferrous carrier platter, means for isolating the north pole conduit from the south pole conduit, and means for restraining and positioning the individual pole conduits with respect to the permanent magnet or permanent magnets contained therein;

or

2. Each core element is comprised of a single structure and integrated into a nonferrous carrier platter, means for isolating the north pole conduit from the south pole conduit, and means for restraining and positioning the individual pole conduits with respect to the permanent magnet or permanent magnets contained therein;

or

3. The pole conduits of each core element are an integral part of a ferrous carrier platter, means for isolating the north pole conduit from the south pole conduit, and means for restraining and positioning the individual pole conduits with respect to the permanent magnet or permanent magnets contained therein, said north pole conduit shared with a north pole conduit of an adjacent permanent magnet or permanent magnets and said south pole conduit shared with a south pole conduit of an adjacent permanent magnet or permanent magnets;

b. Wherein:

1. A Pole Magnet Face is the surface area of a permanent magnet's or permanent magnets' north or south pole magnetic face, which contact the Pole Conduit Magnet Face;

2. A Pole Conduit Magnet Face is the surface area of a pole conduit, perpendicular to the carrier platter surface into which it is integrated, which comes into contact with the permanent magnet's or permanent magnets' north or south Pole Magnet Face;

3. The Pole Conduit Surface Area is the surface area of a pole conduit which is parallel to the carrier platter surface used to direct the magnetic field to either a work surface or to the adjacent corresponding Pole Conduit Surface Area within the core element in an adjacent parallel carrier platter;

4. The Work Surface Area is the surface area of a pole conduit which is used to direct the magnetic field of combined core elements of carrier platters to one or more work surfaces;

5. The Pole Surface Ratio of the Conduit is the ratio of the Pole Conduit Surface Area to the Pole Magnet Face;

6. Breakaway Performance is the force required to pull the apparatus off of the target or work surface in a direction perpendicular to the target surface or work surface;

and

7. The Core Element Area is the combined surface area of the Pole Conduit Surface Area of both pole conduits of a core element together with the surface area of the permanent magnet or permanent magnets within a core element;

c. Choosing one or more permanent magnets with north and south Pole Magnet Faces which may be of different geometric shapes;

d. Encapsulating the north and south Pole Magnet Faces within the pole conduits such that no more than ¼ of the length between the north and south Pole's Magnet Faces is inset into the Pole Conduit Magnet Faces;

e. Constraining the Pole Conduit Magnet Face to a height that is equal to or more than the height of the north or south Pole Magnet Face of the permanent magnet or magnets;

f. Constraining the north and south Pole Conduit Magnet Face width to between about 25% and about 200% of the north and south Pole Conduit Magnet Face width;

g. Constraining the Pole Surface Ratio of the Conduit such that the Pole Conduit Surface Area is a multiple of between about 0.5 and 1.50 of the north and south Pole Magnets' Face;

h. Matching configured core elements by verifying that the magnetic field emanating from the Pole Conduit Surface Area that is directed to the work surface is acceptably deactivated or reduced to a desired level when aligned out-of-phase, that is when the Pole Conduit Surface Areas of two adjacent and corresponding core elements are in close proximity or contact with other such that the north Pole Conduit Surface Area of a first core element is positioned against a south Pole Conduit Surface Area of a second core element and the south Pole Conduit Surface Area of the first core element is positioned against the north pole Conduit Surface area of the second core element, and adjusting if necessary the core elements' magnetic field strength to further neutralize the magnetic field emanating from the Work Surface Area, by:

1. Modifying, if desired or required, a core element to have a different strength magnetic field than a corresponding adjacent core element, such that the residual magnetic field emanating from the work surface of the combined core elements has the minimal or desired residual magnetic field by using:

(a) A higher strength permanent magnet or magnets in a core element;

(b) A larger permanent magnet mass for one or more of the permanent magnets in a core element;

(c) A different geometric shape for one or more of the permanent magnets in a core element;

(d) A different geometric size, composition, or shape of pole conduit;

or

(e) Using any combination of steps h.1.(a)-(d) above;

i. Determining the carrier platter configuration by:

1. Defining the number of core elements by:

(a) Using the desired height of the apparatus and the desired Work Surface Area so that the number of core elements is determined by dividing the Work Surface Area by the Core Element Area and rounding the result to the nearest even numbered integer value;

or

(b) Determining whether the rotation of a rotatable carrier platter adjacent to another carrier platter has a practical limitation due to design, mounting, operational, manufacturing, or other constraints and, if so, identifying the maximum rotation angle as equal to or less than the Actuation Angle;

and

(i) Setting the number of core elements to be integrated into a carrier platter by dividing 360° by the Actuation Angle;

2. Confirming Breakaway Performance will be at the desired level if required by determining the product of the maximum published or calculated value of the combined permanent magnet or permanent magnets within said core element, regardless of magnet orientation, and the number of core elements contained with the carrier platter;

3. Positioning the core elements equally and symmetrically into a carrier platter, said carrier platter and integrated core elements comprising a carrier platter assembly;

4. Identifying if required the desired weight of the carrier platter assembly by evaluating the desired surface area of the carrier platter assembly with respect to desired performance;

5. Identifying, if required, the desired composition of the carrier platter, selecting a non-ferrous carrier platter, a ferrous carrier platter, or a combination thereof, based upon without limitation the apparatus weight, desired Breakaway Performance, the composition of the product, if any, into which the apparatus is integrated, the target surface area, the footprint of the product, if any, into which the apparatus is integrated;

6. Identifying, if required, the desired cost of the carrier platter assembly considering without limitation:

(a) Volume, that is the desired number of carrier platters to be made;

(b) Ease of assembly of the carrier platter assembly;

(c) Feasibility of integration of the apparatus into the desired end product, if any, or combining the core elements directly into the end product such that a carrier platter assembly becomes an integral part of the end product;

(d) Environmental requirements, if any;

and

(e) Regulatory requirements, if any;

7. Determining whether a given carrier platter assembly is to be fixed within a housing or rotatable;

j. Identifying and implementing the desired actuation means, by incorporating attachment or other such features into the fixed or rotatable carrier platter assembly which allow for implementing the desired actuation means, that is, the means by which the apparatus will have a carrier platter assembly rotated relative to a stationary carrier platter assembly, by using mechanical, electro-mechanical, electrical and magneto-motive means, or any combination thereof;

k. Determining the need, if any, for positional decent means whereby said carrier platter assemblies that rotate may contain rotation limiting features that facilitate core element alignment, in-phase or out-of-phase of the north and south pole conduits contained within adjacent carrier platter assemblies;

l. Determining the need if any, for plating, coating or encapsulation means for improving performance by:

1. Adding conductive coatings for the purpose of improving electrical connectivity by applying a conductive low resistance finish through plating and coating means;

2. Adding friction altering coatings for the purpose of altering the friction and or Breakaway Performance of the apparatus with respect to the work surface, through the use of plating and coating means;

3. Adding corrosion resistance plating and coatings to protect the apparatus and ensure its operation is suitable for the environment where the product is intended for use, through the use of plating and coating means;

4. Adding insulative coating designed to electrically insulate the rotary switchable multi-core element permanent magnet-based apparatus exterior from the work surface or other electrical sources, through the use of plating and coating means;

5. Adding encapsulation means to provide magnetic isolation of the apparatus' exterior from ferrous particles and other such debris as well as to provide corrosion resistance;

or

6. The combination of any of the means described in l 1-6 above;

m. Constraining or holding in a carrier platter the north and south pole conduits of the core elements in a carrier platter assembly so that they correspond or align with the north and south pole conduits of the core elements in an adjacent carrier platter assembly in order to redirect the contained magnetic fields from the permanent magnet's or permanent magnets' magnetic poles to an adjacent carrier platter assembly's corresponding core elements or the desired target;

n. Selecting, positioning, and aligning a plurality of carrier platter assemblies adjacent to one another in one or more geometric planes, such that the pole conduits of said carrier platters assemblies are:

1. Aligned out-of-phase or the magnetic field emanating from the pole conduits adjacent to the target is deactivated, that is, all or substantially all of the magnetic fields emanating from the pole conduits in a carrier platter assembly are deactivated or reduced to a desired level, such that the south pole conduits (S) of the core elements in a carrier platter assembly are juxtaposed with the corresponding north pole conduits (N) of the core elements in the adjacent carrier platter assembly (S-N) and the north pole conduits (N) of the core elements in a carrier platter assembly are juxtaposed with the corresponding south pole conduits (S) of the core elements in the adjacent carrier platter assembly (N-S);

2. Aligned in-phase or the magnetic field emanating from the pole conduits adjacent to the target is activated, that is, substantially all of the magnetic fields emanating from the pole conduits in a carrier platter assembly are activated or increased to a desired level such that the south pole conduits (S) of the core elements in a carrier platter assembly are juxtaposed with the corresponding south pole conduits (S) of the core elements in the adjacent carrier platter assembly (S-S) and the north pole conduits (N) of the core elements in a carrier platter assembly are juxtaposed with the corresponding north pole conduits (N) of the core elements in the adjacent carrier platter assembly (N-N);

and

3. Partially aligned out-of-phase or in-phase thereby partially deactivating or activating the magnetic field emanating from the pole conduits adjacent to the target, that is, the magnetic fields emanating from the pole conduits in a carrier platter assembly are adjusted to a desired level;

4. Positioned adjacent to one another wherein each carrier platter assembly constrains or holds multiple core elements such that the north and south pole conduits of the core elements in a carrier platter assembly correspond to or align with the north and south pole conduits of the core elements in an adjacent carrier platter assembly in order to redirect the contained magnetic fields from the permanent magnet's or permanent magnets' magnetic poles to an adjacent carrier platter assembly's corresponding core elements or the desired target;

5. Constrained by constraining means to the adjacent carrier platter assembly so that one or more of the rotatable carrier platter assemblies may rotate concentrically by rotation means with respect to the adjacent carrier platter assembly;

6. Separated from an adjacent carrier platter assembly by friction reducing means for the purpose of reducing the friction between adjacent carrier platter assemblies and facilitating the rotation of a rotatable carrier platter assembly with respect to an adjacent carrier platter assembly;

7. Comprised of multiple core elements which correspond to an equal number of core elements in an adjacent carrier platter assembly;

and

8. Sized such that the core elements are appropriately constrained within a carrier platter assembly's dimensions;

and

o. Determining the need, if any, to integrate or affix a plurality of carrier platter assemblies into a housing with a corresponding number of rotatable carrier platter assemblies in one or more geometric planes.

Rotary switchable multi-core element permanent magnet-based apparatus

Life of this patent

Rotary switchable multi-core element permanent magnet-based apparatus

Life of this patent

Abstract

Claims13