Conductor joint and conductor joint component
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01B-005/02
H01R-004/58
H01B-001/02
H05B-003/03
H05B-003/14
H05B-001/00
H05B-003/34
F03D-080/40
F03D-080/30
출원번호
US-0956420
(2015-12-02)
등록번호
US-10141085
(2018-11-27)
우선권정보
FI-20144258 (2014-12-04)
발명자
/ 주소
Wallenius, Tomas
Vuomajoki, Pauli
출원인 / 주소
Wallenius, Tomas
대리인 / 주소
Berggren LLP
인용정보
피인용 횟수 :
0인용 특허 :
40
초록▼
A conductor joint for joining a copper conductor to a fiber-structured heating element whose dimensions are length (L)width (W)thickness (T), and which heating element comprises carbon fiber strands, wherein the copper conductor is transversely disposed to the longitudinal direction (L) of the heati
A conductor joint for joining a copper conductor to a fiber-structured heating element whose dimensions are length (L)width (W)thickness (T), and which heating element comprises carbon fiber strands, wherein the copper conductor is transversely disposed to the longitudinal direction (L) of the heating element to form a layered structure in the thickness direction (T), on both sides of the heating element, the copper conductor comprising strands separable from each other. The strands of the copper conductor, the number and diameter of which are suitable for transferring a power of more than ten kW, are quantitatively substantially evenly distributed on both sides of the heating element, the strands are disposed in a planar manner in such a way that the strands substantially lie in one plane, adjacent to each other, and the ends of the strands extend, in the width direction (W) of the heating element, beyond the heating element, wherein the portions of the ends of the strands extending beyond the heating element overlap each other, and an electric joint is formed between the lateral faces of these overlapping strands.
대표청구항▼
1. A system comprising: a fiber-structured heating element; a copper conductor; and a conductor joint therebetween, wherein dimensions of the fiber-structured heating element being length (L)>>width (W)>>thickness (T), and which heating element comprises carbon fiber strands, wherein the copper cond
1. A system comprising: a fiber-structured heating element; a copper conductor; and a conductor joint therebetween, wherein dimensions of the fiber-structured heating element being length (L)>>width (W)>>thickness (T), and which heating element comprises carbon fiber strands, wherein the copper conductor is transversely disposed relative to a longitudinal direction (L) of the heating element to form a layered structure in a thickness direction (T), on both opposing sides of the heating element, the copper conductor comprising copper strands separable from each other, wherein the copper strands of the copper conductor, a number and a diameter of which are configured to transfer electric power of more than ten kW, are quantitatively evenly distributed on both opposing sides and corresponding surfaces of the heating element, having a material including carbon fiber strands of the heating element in between, so that on each of said both opposing sides the strands distributed thereto extend along and cover the width (W) of the heating element, the strands on each side of said both opposing sides being further disposed in a planar manner in such a way that the strands lie in one plane, adjacent to each other, and the ends of the strands further extend on each of said both opposing sides, in a width direction (W) of the heating element, beyond the heating element, wherein portions of the ends of the strands extending beyond the heating element overlap each other, and an electric joint is formed between lateral faces of these portions of overlapping strands. 2. The system as defined in claim 1, wherein the strands of the copper conductor extend, at the ends of the strands, beyond the heating element by a distance, this distance being more than 10 times greater than the strand diameter (d). 3. The system as defined in claim 1, wherein the layered structure also comprises, on the both opposing sides of the strands of the copper conductor facing away from the heating element in the thickness direction (T), a strip of the heating element adapted to equalize the electric potential between the heating element and the copper conductor as well as to increase the conductive area between the heating element and the copper conductor. 4. The system as defined in claim 1, wherein the strands consist of a straight, unbraided and uninsulated copper wire. 5. The system as defined in claim 1, wherein the magnitude of the current transfer capacity is chosen to allow an electric power of dozens of kilowatts through the conductor joint. 6. The system of claim 5, wherein the number of strands needed is calculated by the following equation: n=k*4*A/πd2 where A is the cross-sectional area of the copper conductor determined by how high a current transfer capacity is required, n is the number of strands, k is the strand number constant and d is a diameter of one strand. 7. The system of claim 1, wherein the number of copper strands needed is calculated by the following equation: n=k*4*A/πd2 where A is an cross-sectional area of the copper conductor determined by how high a current transfer capacity is required, n is the number of copper strands needed, k is the strand number constant and d is a diameter of one strand. 8. The system according to claim 1, wherein the strands of the copper conductor are removably fixed to an auxiliary substrate on which the strands are disposed in a planar manner in such a way that the strands extend in one plane, adjacent to each other. 9. The system according to claim 8, wherein the auxiliary substrate includes an adhesive tape on which the strands are disposed in a planar manner in such a way that the strands extend in one plane, adjacent to each other. 10. The system as defined in claim 1, wherein the magnitude of the current transfer capacity is chosen to allow an electric power of 25 to 45 kW through the conductor joint. 11. The system as defined in claim 1, wherein the strands of the copper conductor extend, at the ends of the strands, beyond the heating element by a distance, this distance being more than 30 times greater than the strand diameter (d).
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