IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0731427
(2007-03-30)
|
등록번호 |
US-7492074
(2009-02-17)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
17 인용 특허 :
7 |
초록
▼
A motor including a mounting shaft having a hollow channel and a bearing attached to each end, a cylindrical hub having a hollow core for the mounting shaft, and plural rows of plural Molded Magnetic Flux Channels with a hollow core and a channel forming a U-shaped recess and mounted the surface of
A motor including a mounting shaft having a hollow channel and a bearing attached to each end, a cylindrical hub having a hollow core for the mounting shaft, and plural rows of plural Molded Magnetic Flux Channels with a hollow core and a channel forming a U-shaped recess and mounted the surface of the hub, each row corresponding to a motor phase. Each magnetic flux channel forms two pole pieces divided by the channel. The motor also includes plural phase windings, one passing through each row of plural Molded Magnetic Flux Channels, a rotating drum having plural rows of permanent magnets on an inner surface, each row pair corresponding to and aligned with one of the plural rows of Molded Magnetic Flux Channels. The rotating drum connected with the bearing, and drive electronics for driving the plural phase windings, wherein the plural Molded Magnetic Flux Channels increases torque and motor efficiency.
대표청구항
▼
I claim: 1. A motor comprising: a non-rotating mounting shaft having a hollow channel and a bearing attached to each end of the mounting shaft; a cylindrical non-rotating hub having a hollow hole for the non rotating mounting shaft; plural rows of plural Molded Magnetic Flux Channels having a hollo
I claim: 1. A motor comprising: a non-rotating mounting shaft having a hollow channel and a bearing attached to each end of the mounting shaft; a cylindrical non-rotating hub having a hollow hole for the non rotating mounting shaft; plural rows of plural Molded Magnetic Flux Channels having a hollow core and a channel from the upper surface to the hollow core forming a U-shaped recess, the plural molded magnetic flux channels fixedly attached on a cylindrical surface of the cylindrical hub, each one of the plural rows corresponding to a phase of the motor, wherein each one of the plural magnetic flux channels forms two pole pieces divided by the channel; plural transverse phase windings, one of the plural transverse windings passing through one of the rows of plural magnetic flux channels and corresponding to one phase; a rotating drum having plural rows of plural permanent magnets on an inner surface, each row pair corresponding to and aligned with one of the plural rows of molded magnetic flux channels, the rotating drum connected with the bearing to allow the plural rows of permanent magnets to rotate around the cylindrical hub; and drive electronics for driving the plural phase windings, wherein the plural molded magnetic flux channels are timed to increase torque and motor efficiency. 2. The motor of claim 1, wherein the cylindrical hub comprises: plural adjacent disks forming the cylindrical hub, wherein each one of the plural adjacent disks corresponds to one phase of the motor, or all discs combined into one cylindrical hub. 3. The motor of claim 1, wherein each of the plural phase windings comprises: a transverse copper winding having at least two terminals, wherein the transverse flux copper winding are lower inductance and resistance for higher efficiency at high speeds. 4. The motor of claim 3, wherein the plural phase windings comprises: a first, second and third transverse copper winding, wherein use of one transverse copper winding per phase reduces inductive losses. 5. The motor of claim 1 wherein the Molded Magnetic Flux Channels are high magnetic permeability and low electrical conductivity material, with high saturation levels, which can be molded to a precise shape for improved magnetic performance, reduced cost, improved efficiency, and more available magnetic flux delivered to the pole pieces. 6. The motor of claim 5, wherein the high magnetic permeability and low electrical conductivity material is selected from a group consisting of: a hard ferrite material, soft ferrite material, iron-nickel sintered alloy, or an amorphous alloy to reduce hysteresis and eddy current losses. 7. The motor of claim 5, wherein the high permeability, low conductivity material includes: imbedded insulated iron wire bundles. 8. The motor of claim 1, wherein each row of the plural Molded Magnetic Flux Channels comprise: a non conductive coolant line for cooling the plural molded magnetic flux channels. 9. The motor of claim 4, wherein the hub is made from one material of a non-metallic fiberglass material and any material that is non-magnetic and non-conductive material without metal parts to eliminate eddy currents and hysteresis losses in the hub. 10. The motor of claim 1, wherein the drive electronics comprises: one of a Wye connection, Star connection or Delta connection for driving the motor, with phase timing current advance and pulse shape modification to improve efficiency and high speed operation. 11. The motor of claim 1, wherein each row of plural permanent magnets comprises: plural adjacent permanent magnets having alternating north and south poles to form two rows of alternating polarities for each phase to improve motor efficiency and reduce demagnetizing fluxes. 12. The motor of claim 11, wherein the plural adjacent permanent magnets comprise: plural flat permanent magnets; and an epoxy containing iron powder iron for attaching the plural flat permanent magnets to the rotating drum to reduce the magnetic air gap between the plural permanent magnets and the inner surface of the rotating drum. 13. The motor of claim 12, wherein each of the plural flat permanent magnets comprise: a neodymium magnet which are arranged in rows in pairs, wherein each magnet is opposite in magnetic polarity to its adjacent neighbors. 14. The motor of claim 1 further comprising: a cooling non metallic hollow tube wound through the plural rows of plural molded magnetic flux channels to carry away heat generated by the phase windings. 15. The motor of claim 14, wherein the non-metallic hollow tube is used to circulate a liquid coolant. 16. The motor of claim 1, wherein the plural phase windings comprise: at least three phase windings, wherein increasing the number of phase windings increases running torque and decreases clogging torque. 17. The motor of claim 1, further comprising: a tubeless tire mounted on the circumference of an outer surface of the rotating drum to form a wheel motor. 18. The motor of claim 17, further comprising: a part liquid and part gas in an area between the outer surface of the rotating drum and an inner surface of the tubeless tire for inflating the wheel tire, wherein rotation of the wheel motor causes the liquid to cool the neodymium magnets in the motor. 19. The motor of claim 1, further comprising: a coolant line in the hollow channel of the mounting shaft for cooling the motor. 20. The motor of claim 1, further comprising: a locating key on each of the plural molded magnetic flux channels; plural corresponding locating holes on the outer circumference of the cylindrical hub for precise positioning the plural molded magnetic flux channels. 21. The motor of claim 1, wherein the motor is used as a synchronous motor. 22. The motor of claim 1, wherein the motor is used as a high efficiency generator. 23. The motor of claim 1, wherein the motor is used as a dynamo. 24. The motor of claim 1, wherein the motor is used in the hub of one of a marine propeller, a wheel motor for a vehicle, and a track wheel of a tracked vehicle.
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