Multi-chamber diaphragm actuator with synchronized supply system
US10072682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2015 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Jun 11, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/7056
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus for actuating a valve includes a first actuator having a first actuator housing and second actuator with a second actuator housing. A first plate is positioned within the first actuator housing and a second plate is positioned within the second actuator housing. An intermediate stem extends from a first pressure chamber of the first actuator housing to the second plate. A pressure media path extends through the intermediate stem and a second seal nut that extends into the second plate, the pressure media path providing fluid communication between the first pressure chamber, and a second pressure chamber of the second actuator housing. An injection port is open into one of the first pressure chamber and the second pressure chamber. The first plate and the second plate are movable in response to pressure media injected into the injection port, for actuating the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.