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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0268226 (2011-10-07) |
등록번호 | US-8586866 (2013-11-19) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 310 |
A method for coupling ends of two insulated conductors includes coupling an end portion of a core of a first insulated conductor to an end portion of a core of a second insulated conductor. At least a part of the end portions of the cores are at least partially exposed. Electrically insulating mater
A method for coupling ends of two insulated conductors includes coupling an end portion of a core of a first insulated conductor to an end portion of a core of a second insulated conductor. At least a part of the end portions of the cores are at least partially exposed. Electrically insulating material is placed over the exposed portions of the cores. An inner sleeve is placed over end portions of the two insulated conductors to be coupled. An outer sleeve is placed over the inner sleeve. There is an open volume between the inner sleeve and the outer sleeve. The inner sleeve and the outer sleeve are coupled to jackets of the insulated conductors. A pressurized fluid is provided into the open volume between the inner sleeve and the outer sleeve to compress the inner sleeve into the electrically insulating material and compact the electrically insulating material.
1. A method for coupling ends of two insulated conductors, comprising: coupling an end portion of a core of a first insulated conductor to an end portion of a core of a second insulated conductor, wherein at least a part of the end portions of the cores are at least partially exposed;placing electri
1. A method for coupling ends of two insulated conductors, comprising: coupling an end portion of a core of a first insulated conductor to an end portion of a core of a second insulated conductor, wherein at least a part of the end portions of the cores are at least partially exposed;placing electrically insulating material over the exposed portions of the cores;placing an inner sleeve over end portions of the two insulated conductors to be coupled, wherein the end portions of the two insulated conductors comprise the exposed portions of the cores;placing an outer sleeve over the inner sleeve, wherein there is an open volume between the inner sleeve and the outer sleeve, and the outer sleeve comprises a port;coupling the inner sleeve and the outer sleeve to jackets of the insulated conductors; andproviding a pressurized fluid into the open volume between the inner sleeve and the outer sleeve to compress the inner sleeve into the electrically insulating material and compact the electrically insulating material. 2. The method of claim 1, further comprising providing the pressurized fluid into the open volume through the port in the outer sleeve. 3. The method of claim 1, further comprising placing the inner sleeve and the outer sleeve in a pressure cuff prior to providing the pressurizing fluid. 4. The method of claim 1, wherein the pressurized fluid is provided at a pressure of at least a minimum pressure selected to provide a desired amount of compaction of the electrically insulating material. 5. The method of claim 1, wherein the outer sleeve has a length and is positioned such that the length of the outer sleeve substantially matches the gap between non-exposed portions of the insulated conductors. 6. The method of claim 1, wherein at least one of the insulated conductors comprises a core at least partially surrounded by an electrical insulator and an outer jacket, the outer jacket at least partially surrounding the electrical insulator. 7. The method of claim 1, further comprising exposing the core of at least one of the insulated conductors by removing a portion of an electrical insulator and an outer jacket surrounding the core at an end of at least one of the insulated conductors. 8. The method of claim 1, wherein the electrically insulating material comprises blocks of electrically insulating material and/or electrically insulating material powder. 9. The method of claim 1, wherein the electrically insulating material comprises blocks of electrically insulating material that have inner surfaces shaped to match the outer surfaces of the end portions of the at least partially exposed cores. 10. The method of claim 1, wherein the inner sleeve comprises an alignment ridge. 11. The method of claim 10, further comprising aligning the port on the outer sleeve with the alignment ridge of the inner sleeve. 12. The method of claim 1, further comprising coupling the inner sleeve and the outer sleeve to jackets of the insulated conductors such that the ends of the sleeves are substantially sealed to the jackets. 13. The method of claim 1, further comprising coupling one or more strain relief sleeves to at least one of the insulated conductors at or near the outer sleeve. 14. The method of claim 1, further comprising forming at least one chamfer on the end portion of at least one of the insulated conductors. 15. The method of claim 1, further comprising compacting the electrically insulating material inside the inner sleeve such that the electrically insulating material has a density that is at least within about 15% of the density of at least one of the insulated conductors. 16. A fitting for coupling ends of insulated conductors, comprising: an inner sleeve placed over end portions of a first insulated conductor and a second insulated conductor during use, wherein the inner sleeve is placed over at least partially exposed end portions of cores of the insulated conductors and electrically insulating material is placed over the exposed end portions of the cores inside the sleeve during use; andan outer sleeve comprising a port placed over the inner sleeve, wherein there is an open volume between the inner sleeve and the outer sleeve;wherein the inner sleeve and the outer sleeve are coupled to jackets of the insulated conductors during use; andwherein the inner sleeve is compressed during use by a pressurizing fluid provided into the open volume between the inner sleeve and the outer sleeve, and wherein compression of the inner sleeve compacts the electrically insulating material inside the inner sleeve. 17. The fitting of claim 16, wherein the inner sleeve and the outer sleeve are centered between the end portions of the insulated conductors during use. 18. The fitting of claim 16, wherein the end portions of the cores of the insulated conductors are coupled together inside the sleeve. 19. The fitting of claim 16, wherein the electrically insulating material comprises material substantially similar to electrical insulation in at least one of the two insulated conductors. 20. The fitting of claim 16, wherein the pressurized fluid is provided into the open volume through the port in the outer sleeve during use. 21. The fitting of claim 16, wherein the pressurized fluid is provided at a pressure of at least a minimum pressure selected to provide a desired amount of compaction of the electrically insulating material during use. 22. The fitting of claim 16, wherein the outer sleeve has a length and is positioned such that the length of the outer sleeve substantially matches the gap between non-exposed portions of the insulated conductors. 23. The fitting of claim 16, wherein at least one of the insulated conductors comprises a core at least partially surrounded by an electrical insulator and an outer jacket, the outer jacket at least partially surrounding the electrical insulator. 24. The fitting of claim 16, wherein at least one of the insulated conductors comprises a core that has been exposed by removing a portion of an electrical insulator and an outer jacket surrounding the core at an end of at least one of the insulated conductors. 25. The fitting of claim 16, wherein the electrically insulating material comprises blocks of electrically insulating material and/or electrically insulating material powder. 26. The fitting of claim 16, wherein the electrically insulating material comprises blocks of electrically insulating material that have inner surfaces shaped to match the outer surfaces of the end portions of the at least partially exposed cores. 27. The fitting of claim 16, wherein the inner sleeve comprises an alignment ridge. 28. The fitting of claim 27, wherein the port on the outer sleeve is aligned with the alignment ridge of the inner sleeve. 29. The fitting of claim 16, wherein the inner sleeve and the outer sleeve are coupled to jackets of the insulated conductors such that the ends of the sleeves are substantially sealed to the jackets. 30. The fitting of claim 16, wherein the fitting is configured to be operable at voltages above 1000 V and temperatures at or near 700° C. 31. The fitting of claim 16, wherein the electrically insulating material inside the inner sleeve is compacted such that the electrically insulating material has a density that is at least within about 15% of the density of at least one of the insulated conductors.
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