Patent · US Active

Contact arms for use in electrical switchgear and methods of fabricating same

US10134553B2 · kind B2 · utility

1Cited by

8References

21Claims

0Family size

Assignee

ABB Schweiz AG · CH

Inventors

Beibei Jing · Shanghai, CN
Zongfeng Ye · Shanghai, CN
Qiyou Xu · Shanghai, CN

Key dates

Filing date	Dec 17, 2015
Grant date	Nov 20, 2018
Priority date	—
Expiry date	Jul 16, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH02B11/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A contact arm for use in a circuit breaker is provided. The contact arm includes a tubular body that includes a conductive tube and defines a central longitudinal axis of the contact arm. The body has a first end configured for connection with a contact of the circuit breaker, and a second end configured for connection with a pole of the circuit breaker. The body defines a plurality of apertures extending therethrough from an outer surface of the body to an inner surface of the body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.