Rotary joint for underwater operation and system equipped therewith for generating energy from waterpower
US9334901B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2012 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | May 27, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/30
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rotary joint for use in a system for generating energy from water power, the joint comprising a first rotationally symmetrical connecting element and a second rotationally symmetrical connecting element disposed concentrically with the first connecting element and rotatable relative thereto, an annular gap between the two connecting elements, and a row of rolling elements rolling along a race on each of the connecting elements, wherein provided to seal the annular gap is a sealing device having a sealing ring fixed to the first connecting element, and a circumferential sealing lip, or sealing surface, extends along a lead-in surface, wherein the second connecting element is divided into a race ring, with at least one race, and a lead-in ring with a lead-in surface for at least one sealing ring, the lead-in ring being removably connected to at least one race ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.