Ball valve assembly
US11732813B2 · kind B2 · utility
0Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2022 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Jan 4, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2001/103
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A dielectric insulating insert arranged to be positioned between a drive shaft and a ball shaft of a motorised ball valve assembly. The insert includes a body of dielectric material to form an insulating layer and having opposing sides from each of which extends an engagement portion having a non-circular cross-section and configured to engage, respectively, with the drive shaft and the ball shaft in torque transfer engagement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.