Actuating unit for a process valve and process valve
US10753375B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Dec 14, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2013/041
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An actuating unit for a process valve is described, which comprises a pilot valve unit, a separate removable seal arranged between two parts through which a fluid can flow, and a piston configured for the adjustment of the process valve. The seal has through openings for the passage of fluid, and the adjacent parts have holes, such that different holes are in fluid communication with each other via the through openings or are fluidically separated due to an intermediate wall portion of the seal depending on the fitting position of the seal. A process valve having such an actuating unit is furthermore described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.