Grease channel for reducing gas permeation into vacuum chambers
US11085420B2 · kind B2 · utility
0Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2018 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Oct 6, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/16
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A flywheel device includes an enclosure, a top plate that fastens to the enclosure, where the top plate includes a first opening, and a cap, where the cap has a top side and a bottom side, which when fastened to the first opening forms a seal between the bottom side and the first opening, the bottom side including an o-ring groove configured to hold an o-ring, a grease channel concentric with the o-ring groove, and an inlet port configured to enable grease to flow into the grease channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.