Stator module and magnetic field generating structure thereof

• US 9,515,530 B2
• Filed: 03/18/2013
• Issued: 12/06/2016
• Est. Priority Date: 11/21/2012
• Status: Active Grant

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Chiu, Kuo-Lin, Ting, Chia-Min, Lin, Chen-Chih, Huang, Hsien-Chang, Wu, Yu-Hsun, Ho, Se-Kang, Chang, Cheng-Min
• Primary Examiner(s): Mullins, Burton
• Application Number:
  US13/846,124
• Publication Number:
  US 20140139057A1
• Time in Patent Office: 1,359 Days
• Field of Search: 310/54, 174/98, 335/300
• US Class Current: 1/1
• CPC Class Codes: H02K 1/148 Sectional cores H02K1/141 takes precedence
• CPC Class Codes: H02K 2203/09 Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations
• CPC Class Codes: H02K 3/18 Windings for salient poles
• CPC Class Codes: H02K 3/22 consisting of hollow conductors
• CPC Class Codes: H02K 3/24 with channels or ducts for cooling medium between the conductors
• CPC Class Codes: H02K 3/522 for generally annular cores with salient poles
• CPC Class Codes: H02K 9/00 Arrangements for cooling or ventilating channels or ducts in parts of the magnetic circuit H02K1/20, H02K1/32; channels or ducts in or between conductors H02K3/22, H02K3/24
• CPC Class Codes: H02K 9/197 in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
• CPC Class Codes: H02K 9/223 Heat bridges
• CPC Class Codes: H02K 9/227 Heat sinks

Abstract

The disclosure provides a stator module and a magnetic field generating structure which includes a magnetizer and an electrically conducting pipe. The electrically conducting pipe is wound around the magnetizer and has a passage inside. The passage has an outlet and an inlet opposite to each other. The electrically conducting pipe has a current input portion and a current output portion.

Claims

1. A stator module comprising:

a magnetizer comprising a base and a plurality of teeth protruding from one side of the base;

a plurality of electrically conducting pipes respectively circumferentially wound around each of the plurality of teeth, each having a passage inside, the passage having an outlet and an inlet, and each of the plurality of electrically conducting pipes having a current input portion and a current output portion,

a first fluid pipeline having a plurality of first branch pipelines and a plurality of first connection pipelines, the plurality of first branch pipelines being connected to the respective outlets;

a second fluid pipeline having a plurality of second branch pipelines and a plurality of second connection pipelines, the plurality of second branch pipelines being connected to the respective inlets; and

each of the plurality of first connection pipelines and the plurality of second connection pipelines being configured to be connected to a cooling system.

2. The stator module according to claim 1, further comprising a plurality of insulating pipes, each of the plurality of insulating pipes being connected between one of the first branch pipelines and second branch pipelines and one of the electrically conducting pipes.

3. The stator module according to claim 1, further comprising a cooling system connected to the two fluid pipelines.

4. The stator module according to claim 1, further comprising a power supply system electrically connected to the plurality of current input portions and the plurality of current output portions of the electrically conducting pipes.

5. The stator module according to claim 1, further comprising a thermal conductive adhesive in thermal contact with the plurality of teeth and the plurality of electrically conducting pipes.

6. The stator module according to claim 1, wherein the plurality of teeth are detachably mounted on the base.

7. The stator module according to claim 1, wherein the base has an annular inner surface, and the plurality of teeth protrude from the annular inner surface.

8. A stator module, comprising:

a magnetizer comprising a base and a plurality of teeth protruding from one side of the base;

a plurality of electrically conducting pipes respectively circumferentially wound around each of the plurality of teeth, each of the plurality of electrically conducting pipes having a passage inside, the passage having an outlet and an inlet, and each of the plurality of electrically conducting pipes including a current input portion and a current output portion respectively disposed at two opposite ends of each of the plurality of electrically conducting pipes;

a cooling system connected to the plurality of outlets and the plurality of inlets;

a power supply system electrically connected to the current input portions and the current output portions of the electrically conducting pipes,

a first fluid pipeline having a plurality of first branch pipelines and a plurality of first connection pipelines, the plurality of first branch pipelines being connected to the respective outlets, and the plurality of first connection pipelines being connected to the cooling system; and

a second fluid pipeline having a plurality of second branch pipelines and a plurality of second connection pipelines, the plurality of second branch pipelines being connected to the respective inlets, and the plurality of second connection pipelines being connected to the cooling system.

9. The stator module according to claim 8, further comprising a plurality of insulating pipes, and each of the plurality of insulating pipes being connected between one of the plurality of first branch pipelines and second branch pipelines fluid pipelines and one of the plurality of electrically conducting pipes.

10. The stator module according to claim 8, further comprising a thermal conductive adhesive in thermal contact with the plurality of teeth and the plurality of electrically conducting pipes windings.

11. The stator module according to claim 8, wherein the plurality of teeth are detachably mounted on the base.

12. The stator module according to claim 8, wherein the base has an annular inner surface and the plurality of teeth protrude from the annular inner surface.