Energized slip ring assembly
US7320363B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2004 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Nov 3, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A slip ring assembly including a slip ring and an electrical contact assembly. The slip ring defines a circumference and an electrical contact groove extending around the circumference of the slip ring. The electrical contact assembly preferably includes a plurality of electrical contacts spaced around the circumference of the slip ring for engaging the electrical contact groove. In addition, an urging mechanism is preferably associated with each of the electrical contacts for urging the electrical contacts toward engagement with the electrical contact groove. Finally, a wiper is preferably associated with each of the electrical contacts for extending within the electrical contact groove to inhibit a fluid from passing through the electrical contact groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.