IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0182729
(2005-07-15)
|
등록번호 |
US-7408762
(2008-08-05)
|
발명자
/ 주소 |
- Taller,James A.
- O'Phelan,Michael J.
|
출원인 / 주소 |
|
대리인 / 주소 |
Schwegman, Lundberg & Woessner, P.A.
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
41 |
초록
▼
A capacitor feedthrough assembly with a cavity including a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers in a case with a cover, the case having a first opening sized for passage of the capacitor stack and a second opening de
A capacitor feedthrough assembly with a cavity including a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers in a case with a cover, the case having a first opening sized for passage of the capacitor stack and a second opening defined by a lip. Additionally, the capacitor includes a conductive member attached to the capacitor stack and disposed at least part way through the second opening in the case, and an isolating element disposed between the lip and at least a portion of the connected stack and conductive member. Also, the capacitor includes a curable resin sealingly disposed in the cavity defined by the second opening, the isolating element, and the conductive member, the curable resin electrically isolating the case from the conductive member.
대표청구항
▼
We claim: 1. A feedthrough assembly with a cavity, comprising: a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers; a case having a first opening sized for passage of the capacitor stack and a second opening, the second opening
We claim: 1. A feedthrough assembly with a cavity, comprising: a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers; a case having a first opening sized for passage of the capacitor stack and a second opening, the second opening defined by a lip, the capacitor stack disposed in the case; a conductive member attached to the capacitor stack, the conductive member disposed at least part way through the second opening in the case; an isolating element disposed between the lip and at least a portion of the connected stack and conductive member, the isolating element adapted to electrically isolate the lip and the connected stack and conductive member; a curable resin sealingly disposed in the cavity defined by the second opening, the isolating element, and the conductive member, the curable resin electrically isolating the case from the conductive member, and a cover substantially conforming to the first opening and sealingly connected to the first opening. 2. The feedthrough assembly of claim 1, wherein the second opening in the case is narrowing. 3. The feedthrough assembly of claim 2, wherein the second opening is funnel-shaped. 4. The feedthrough assembly of claim 1, wherein the case includes a third opening, and a plate substantially conforming to the third opening, and sealingly connected to the case. 5. The feedthrough assembly of claim 4, wherein the case and the plate are in electrical communication. 6. The feedthrough assembly of claim 5, wherein the plate is adapted for attachment of a terminal, and wherein the terminal is connected to the plate and is in electrical connection with the case and at least one capacitor electrode. 7. The feedthrough assembly of claim 4, wherein the plate includes an aperture. 8. The feedthrough assembly of claim 7, wherein a plug is sealingly connected to the aperture. 9. The feedthrough assembly of claim 1, wherein the receptacle includes an aperture. 10. The feedthrough assembly of claim 9, wherein a plug is sealingly connected to the aperture. 11. The feedthrough assembly of claim 9, wherein the isolating element is washer shaped, including a first major face and a second major face, the first major face abutting the narrowing opening, the second major face abutting the base of the conductive element. 12. The feedthrough assembly of claim 1, wherein the insulative member is paper. 13. The feedthrough assembly of claim 12, wherein the insulative member is made from kraft paper. 14. The feedthrough assembly of claim 1, wherein the curative resin is an epoxy. 15. The feedthrough assembly of claim 1, wherein the curative resin forms a hermetic seal with the case. 16. A feedthrough assembly with a cavity, comprising: a capacitor stack, including one or more substantially flat anode layers and one or more substantially flat cathode layers; an electrically conductive case having a first opening sized for passage of the capacitor stack, a narrowing second opening formed in the exterior surface of the electrically conductive case with a narrow end internal to the case including a lip, and a third opening, the capacitor stack disposed in the case; a plate with an aperture substantially conforming to the third opening, and sealingly connected to the case in electrical communication with the case; a plug sealingly connected to the aperture in the plate; a terminal attached to the plate; a conductive member including an elongate first section and a base, the conductive member attached to the capacitor stack at the base, the elongate first section disposed at least part way though the second opening in the case; an isolating element disposed between the lip and the base of the conductive member; a curable resin sealingly disposed in the cavity formed by the second opening, the isolating element, and the conductive member, the curable resin adapted to electrically isolate the case from the conductive member; and a cover substantially conforming to the first opening and sealingly connected to the first opening. 17. The feedthrough assembly of claim 16, wherein the insulative member is paper. 18. The feedthrough assembly of claim 17, wherein the insulative member is made from kraft paper. 19. The feedthrough assembly of claim 16, wherein the curative resin is an epoxy. 20. A method of making a feedthrough assembly with a cavity, comprising: assembling a capacitor stack out of substantially layered electrodes; attaching a conductive member to the capacitor stack; assembling an isolating element to the connected capacitor stack and conductive member; inserting the stack in a receptacle with a first opening sized for passage of a capacitor stack and a second opening defined by a lip, the conductive member in alignment with the second opening, the isolating element disposed between the lip and the conductive member, filling the cavity with curable resin, the cavity defined by the second opening, the isolating element, and the conductive member; curing the resin; and sealing a cover to the first receptacle opening. 21. The method of claim 20, wherein the receptacle includes a feedthrough aperture, and the capacitor is impregnated with electrolyte flowing through the aperture. 22. The method of claim 21, wherein the aperture is sealed with a plug. 23. The method of claim 22, further comprising using a laser to seal the plug to the aperture. 24. The method of claim 21, wherein the aperture includes a counter-bore. 25. The method of claim 24, wherein a plug shaped to conform to the counter-bore is sealed to the counterbore. 26. The method of claim 20, wherein the receptacle includes a third opening and a plate sealed to the third opening. 27. The method of claim 26, wherein a terminal is connected to the plate. 28. The method of claim 26, wherein the plate includes a feedthrough aperture, and the capacitor is impregnated with electrolyte flowing through the aperture. 29. The method of claim 28, wherein the aperture is sealed with a plug.
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