Claims
- 1. A reluctance machine, comprising:
a stator including an annular support member having a plurality of stator poles disposed thereon, the stator poles each comprising a corresponding foil coil stator winding; and a solid disc-shaped rotor defining a plurality of salient rotor poles, the rotor being rotatably positioned opposite the support member to establish an axial air gap between the rotor and stator poles.
- 2. The reluctance machine of claim 1, further comprising a control circuit for selectively energizing the foil coils.
- 3. The reluctance machine of claim 1, wherein the stator poles are electrically connected to form four phases.
- 4. The reluctance machine of claim 1, wherein the stator poles are electrically connected to form three phases.
- 5. The reluctance machine of claim 1, wherein the foil coil windings each comprise a conductive layer having an insulating layer attached thereto.
- 6. The reluctance machine of claim 5, wherein the foil coil windings each further comprise a second conductive layer.
- 7. The reluctance machine of claim 5, wherein the conductive and insulating layers are wound about a core member.
- 8. The reluctance machine of claim 6, wherein the insulating layer comprises an adhesive.
- 9. The reluctance machine of claim 1, further comprising a shaft, wherein the rotor is connected to the shaft.
- 10. The reluctance machine of claim 9, further comprising a fan connected to the shaft.
- 11. The reluctance machine of claim 2, wherein the control circuit includes a position transducer for detecting the position of the rotor relative to the stator.
- 12. A food waste disposer comprising:
an inlet for receiving food waste; a grinding plate connected to a rotatable shaft; and a switched reluctance motor operable to drive the shaft and thus, the grinding plate to grind food waste received via the inlet into particulate matter.
- 13. The food waste disposer of claim 3, wherein the switched reluctance motor includes:
a stator having a plurality of stator poles disposed therein, the stator poles each comprising a corresponding foil coil stator winding; a solid disc-shaped rotor defining a plurality of salient rotor poles, the rotor being rotatably positioned proximate the stator to establish an axial air gap between the rotor and stator poles, wherein the grinding plate is integrally formed with the rotor.
- 14. A food waste disposer comprising:
an inlet for receiving food waste; a stationary shredder ring; a grinding plate situated adjacent the stationary shredder ring, the grinding plate having first and second sides, the first side having at least one lug attached thereto, the second side having a plurality of rotor poles formed therein; a stator having a plurality of stator poles disposed therein, the stator poles each comprising a corresponding foil coil stator winding; and a shaft rotatably received by the stator, the grinding plate being fixed to the shaft to rotate therewith such that the grinding plate and the stator form an axial air gap therebetween;
- 15. The food waste disposer of claim 14, wherein the stator is sealed relative to the shaft and grinding plate.
- 16. The food waste disposer of claim 15, wherein the seal comprises a plastic over mold surrounding the stator poles.
- 17. The food waste disposer of claim 14, further comprising a control circuit for selectively energizing the foil coils.
- 18. The food waste disposer of claim 14, wherein the foil coil windings each comprise a conductive layer having an insulating layer attached thereto.
- 19. The food waste disposer of claim 18, wherein the foil coil windings each further comprise a second conductive layer.
- 20. The food waste disposer of claim 19, wherein the conductive and insulating layers are wound about a core member.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims the benefit of U.S. Provisional Application No. 60/238,100 filed on Oct. 4, 2000, which is incorporated by reference in its entirety. This application is related to application Ser. No. ______ entitled “Food Waste Disposer Having Variable Speed Motor and Methods of Operating Same” by Strutz et al., filed concurrently herewith, the disclosure of which is incorporated herein by reference in its entirety.
Provisional Applications (1)
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Number |
Date |
Country |
|
60238100 |
Oct 2000 |
US |