Patent ID: 11881698
Assignee: SCHNEIDER ELECTRIC INDUSTRIES SAS
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A bus duct, comprising a bus duct shell, wherein the bus duct shell includes:
a first lateral plate;
a second lateral plate opposite to the first lateral plate;
a first cover plate;
a second cover plate opposite to the first cover plate;
a first end head integrally formed with the first cover plate and extending from the end of the first cover plate beyond the first lateral plate and the second lateral plate; and
a second end head integrally formed with the second cover plate and extending from the end of the second cover plate beyond the first lateral plate and the second lateral plate;
wherein the first lateral plate, the second lateral plate, the first cover plate, and the second cover plate extend in a first direction, and define a cavity extending in the first direction for receiving a bus bar,
the first cover plate includes a first sub cover plate and a second sub cover plate, and the first end head includes a first sub end head integrally formed with the first sub cover plate and a second sub end head integrally formed with the second sub cover plate, the first sub cover plate and the second sub cover plate and the first sub end head and the second sub end head being respectively connected together by friction stir welding over the entire length in the first direction, and
the second cover includes a third sub cover plate and a fourth sub cover plate, and the second end head includes a third sub end head integrally formed with the third sub cover plate and a fourth sub end head integrally formed with the fourth sub cover plate, the third sub cover plate and the fourth sub cover plate and the third sub end head and the fourth sub end head being respectively connected together by friction stir welding over the entire length in the first direction.