Isolating tube for a cooling element which can be loaded with high voltage
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01B-009/06
H01B-009/00
출원번호
UP-0798482
(2007-05-14)
등록번호
US-7557295
(2009-07-15)
우선권정보
EP-04405704(2004-11-16)
발명자
/ 주소
Kiefer, Jochen
Lakner, Martin
Chartouni, Daniel
Mauroux, Jean Claude
Ritzer, Leopold
Unternaehrer, Peter
Schoenemann, Thomas
Mollenkopf, Marc
Zehnder, Lukas
출원인 / 주소
ABB Research Ltd
대리인 / 주소
Buchanan Ingersoll & Rooney PC
인용정보
피인용 횟수 :
2인용 특허 :
1
초록▼
An exemplary isolating tube, and production method thereof, includes a mechanically load-bearing plastic tube composed of a fiber-reinforced polymer for use in a cooling element which can be loaded with high voltage, during whose operation the isolating tube forms an electrical isolation gap and in
An exemplary isolating tube, and production method thereof, includes a mechanically load-bearing plastic tube composed of a fiber-reinforced polymer for use in a cooling element which can be loaded with high voltage, during whose operation the isolating tube forms an electrical isolation gap and in the tube interior carries an agent which flows as a liquid and/or vapor. The isolating tube can have a diffusion barrier which is held coaxially by the plastic tube. Such an isolating tube can be produced using an exemplary novel method for production.
대표청구항▼
What is claimed is: 1. An isolating tube having a mechanically load-bearing plastic tube composed of a fiber-reinforced polymer for use in a cooling element which can be loaded with high voltage, during whose operation the isolating tube forms an electrical isolation gap and in the tube interior ca
What is claimed is: 1. An isolating tube having a mechanically load-bearing plastic tube composed of a fiber-reinforced polymer for use in a cooling element which can be loaded with high voltage, during whose operation the isolating tube forms an electrical isolation gap and in the tube interior carries an agent which flows as a liquid and/or vapor, wherein the isolating tube has a diffusion barrier which is held coaxially by the plastic tube. 2. The isolating tube as claimed in claim 1, wherein the diffusion barrier is in the form of a glass or ceramic tube. 3. The isolating tube as claimed in claim 2, wherein the glass or ceramic tube is arranged on the inside of the plastic tube. 4. The isolating tube as claimed in claim 3, wherein a reversibly deformable damping layer is arranged between the plastic tube and the glass or ceramic tube. 5. The isolating tube as claimed in claim 2, wherein the inner surface of the glass or ceramic tube is covered with fragmentation protection in the form of a film. 6. The isolating tube as claimed in claim 1, wherein the diffusion barrier is in the form of a flexible film based on glass and/or ceramic. 7. The isolating tube as claimed in claim 6, wherein the film contains a support based on a polymer. 8. The isolating tube as claimed in claim 1, wherein a capillary structure is applied to an inner surface of the diffusion barrier. 9. The isolating tube as claimed in claim 1, wherein the plastic tube is fitted with a shield. 10. The isolating tube as claimed in claim 1, wherein one of two metal fittings is held in a vacuum-tight manner at each of the two ends of the plastic tube. 11. The isolating tube as claimed in claim 10, wherein at least one of the two metal fittings is adhesively bonded to the plastic tube with the aid of a connection layer which is applied to one end face of the plastic tube. 12. The isolating tube as claimed in claim 11, wherein the connection layer is guided on a section of the casing surface of the plastic tube. 13. The isolating tube as claimed in claim 10, wherein the two metal fittings are fitted with a shielding electrode, which is passed in an annular shape around the plastic tube, at each of the mutually facing ends. 14. An isolating tube as claimed in claim 10, in combination with a cooling element, wherein the first of the two metal fittings is connected to a vaporizer, which can be heated by an electrical conductor of a high-voltage installation, and the second is connected to a condenser, which is arranged on grounded encapsulation of the installation. 15. The isolating tube as claimed in claim 1, wherein fiber material which has been pre-impregnated with polymer or has not been impregnated is wound on a casing surface of a diffusion barrier, which is in the form of a tube, forming a preformed body, the preformed body formed in this way having been arranged in a mold and soaked with polymer in the situation in which the preformed body does not contain impregnated fiber material, and the polymer which is introduced by pre-impregnation or soaking having been cured in the mold at a raised temperature. 16. The isolating tube as claimed in claim 1, wherein fiber material which has been pre-impregnated with polymer or has not been impregnated is wound onto a casing surface of a removable winding core, wherein, during the winding process, sections of the diffusion barrier which are in the form of films are inserted into the fiber material, a preformed body which is formed in this way having been arranged in a mold and soaked with the polymer in the situation in which the preformed body does not contain impregnated fiber material, and the polymer which is introduced by pre-impregnation or soaking having been cured in the mold at a raised temperature. 17. The isolating tube as claimed in claim 1, wherein the plastic tube and a diffusion barrier which is in the form of a tube are prefabricated, wherein the external diameter of the diffusion barrier and the internal diameter of the plastic tube are matched to one another, and wherein, after the diffusion barrier has been inserted into the plastic tube, the two tubes are adhesively bonded to one another. 18. The isolating tube as claimed in claim 15, wherein fragmentation protection is applied to the inside of the tube if the diffusion barrier is in the form of a glass or ceramic tube. 19. The isolating tube as claimed in claim 15, wherein a shield is formed in the casing surface of the plastic tube, or a shield is applied to the casing surface of the plastic tube. 20. The isolating tube as claimed in claim 15, wherein, during the curing of the polymer or after manufacture of the plastic tube, two end sections of the isolating tube, which are each in the form of metal fittings, are fixed to the plastic tube.
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이 특허에 인용된 특허 (1)
Cleaveland Charles M. (Irwin PA), Vacuum-type circuit interrupters having heat-dissipating devices associated with the contact structures thereof.
Frigiere, Denis; Rodrigues, Didier; Willieme, Jean-Marc; Jacquier, Frank, Cooling method for cooling medium-voltage electrical switchgear using integrated heat pipes, and a system using said method.
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