Mechanical seal
US11402023B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2019 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Mar 17, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3496
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A mechanical seal capable of preventing charge accumulation on a rotary shaft includes a fixed sealing element which is held at an inner periphery of housing members of machines to be installed and has at least a fixed seal ring, and a rotating sealing element which is held at an outer periphery of a rotary shaft rotatably supported in the housing members and has at least a rotating seal ring. A conductive element is provided between the fixed sealing element 10 and the rotary shaft or a rotary shaft member fixed to the rotary shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.