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US 8,506,254 B2Granted
Electromagnetic machine with a fiber rotor
AssigneeBoard of Trustees of Michigan State University
InventorNorbert Müller
Life of this patent
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Abstract
An impeller is provided that may be used in compressors or turbines. In another aspect of the present invention, a fiber or a bundle of fibers is woven to form at least two blades of an impeller. Yet another aspect of the present invention employs a peripheral component woven around impeller blades. An additional conductive fiber or bundle of fibers is woven into the impeller in a further aspect of the present invention. Moreover, an aspect of the present invention provides a chilling system that includes at least one compressor, at least one wave rotor, and a refrigerant.
Claims46
An electromagnetic machine comprising:
- a stator comprising a member consisting of at least one of:
- (a) an electrically conductive wire winding, or (b) a magnet;
- and
- a rotor comprising vanes including stacked layers of at least one elongated fiber, the at least one fiber having a continuous length of at least five centimeters, the rotor further comprising a member consisting of at least one of:
- (a) an electrically conductive wire winding, or (b) a magnet;
- the rotor operably rotating adjacent the stator and electromagnetism passing between the rotor and the stator during the rotation;
- wherein at least one of the rotor vanes has a substantially triangular and hollow shape with its apex being adjacent a periphery of the rotor, and spaced apart leading and trailing fiber walls of the at least one rotor vane diverging away from the apex.
4 more elements
An electromagnetic machine comprising:
- a stationary stator comprising electrically conductive wire windings;
- a rotatable rotor co-axially located within the stator, the rotor comprising a fiber continuously defining at least a pair of blades and a peripheral member integrally attached to the blades as a single piece, the rotor further comprising a magnetic or conductive member rotating with the rotor;
- an outer surface of the peripheral member of the rotor and an adjacent inner surface of the stator both being oriented at an angle offset from a rotational axis of the rotor;
- and
- electromagnetism passing between the stator and the rotor during rotation of the rotor.
2 more elements
A method of using an electric motor, the method comprising:
- (a) rotating a rotor which comprises at least one continuously layered and elongated fiber, the at least one fiber defining at least a pair of vanes and a shroud connected to an outer periphery of the vanes;
- (b) rotating a magnet with the rotor, the magnet being attached to resin which is located on the at least one fiber of the rotor;
- (c) flowing fluid through a conduit and through the rotor while the rotor rotates within a stationary stator;
- (d) the fluid flowing between matching peripheral and internal surfaces of the rotor and stator, respectively, which have angles offset from a rotational axis of the rotor;
- and
- (e) passing electromagnetism between the rotor and stator during the rotation.
3 more elements
An electromagnetic machine comprising:
- a stator comprising a member consisting of at least one of:
- (a) an electrically conductive wire winding, or (b) a magnet;
- a rotor comprising vanes including stacked layers of at least one elongated fiber, the at least one fiber having a continuous length of at least five centimeters, the rotor further comprising a member consisting of at least one of:
- (a) an electrically conductive wire winding, or (b) a magnet;
- the rotor operably rotating adjacent the stator and electromagnetism passing between the rotor and the stator during the rotation;
- an outer shroud integrally woven as part of the vanes with the at least one fiber continuously extending from multiples of the vanes to the shroud;
- and
- an outer surface of the shroud and an inner surface of the stator having matching concave and convex shapes through which a fluid or vapor flows.
5 more elements
A method of using an electromagnetic device, the method comprising:
- (a) rotating a first member which comprises at least one continuously layered and elongated fiber, the at least one fiber defining at least a pair of vanes and a shroud connected to an outer periphery of the vanes;
- (b) rotating a magnet with the first member, the magnet being attached to resin which is located on the at least one fiber of the first member;
- (c) flowing fluid through a conduit and through the first member while the first member rotates within a stationary second member;
- (d) passing electromagnetism between the members during the rotation;
- (e) the at least one fiber including a fiber that is at least five centimeters long which crosses itself;
- and
- (f) the resin in the first member being cured in an oven or using light but without use of a mold.
4 more elements
Dependencies are inferred from the claim text.