Dual shut-off valve
US11732811B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2021 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Jun 4, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E30/30
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A dual shut-off valve including a valve body defining an interior cavity and a flow tube passing therethrough, an outer cylinder including a body portion defining an interior cavity and a through hole passing therethrough, the outer cylinder being rotatably disposed within the interior cavity of the valve body, and an inner cylinder including a body portion defining a through hole passing therethrough, the inner cylinder being rotatably disposed within the interior cavity of the outer cylinder, wherein the inner cylinder and the outer cylinder are both rotatable between a first position in which the through holes of the outer cylinder and the inner cylinder are aligned with the flow tube and a second position in which the through holes of the outer cylinder and the inner cylinder are transverse to the flow tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.