Rail vehicle with a wagon body and method for protective grounding of such a wagon body
US7952849B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2008 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Jun 23, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60L2200/26
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
One embodiment of the present invention discloses, inter alia, a rail vehicle with a wagon body and with contact devices which are connected to the wagon body and which remain in contact with at least one rail on the track side during operation of the rail vehicle, wherein the wagon body and at least one of the contact devices are connected to each other through an electrical resistance device. According to an embodiment of the present invention, the resistance device includes a greater electric resistance in a voltage region with low voltage than in a voltage region with comparatively higher voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.