Hanger wires for contact wires of railway electrical lines
US10807500B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2013 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Mar 25, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B5/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A hanger wire for contact wires of railway electrical lines may include: first wires including copper or a first alloy of copper; and second wires including a steel core coupled with a layer of copper or a second alloy of copper. An overhead contact line suitable to transmit electric power to a locomotive may include: at least one conductor element connected to a high voltage electric energy distribution network; at least one suspension wire fastened to a series of supporting poles arranged along the overhead contact line; and a plurality of hanger wires connecting the at least one conductor element to the at least one suspension wire. The hanger wires may include: first wires including copper or a first alloy of copper; and second wires including a steel core coupled with a layer of copper or a second alloy of copper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.