Arrangement having a pneumatic control valve with a housing closed on all sides
US5218994A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 1, 1992 |
| Grant date | Jun 15, 1993 |
| Priority date | — |
| Expiry date | Jul 1, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8292
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An arrangement having a pneumatic control valve having a pneumatic motor operator, a position controller having a pneumatic output and replaceable without deteriorating the function of the motor operator, a translationally moveable valve stem between motor operator and valve, a transmission means for imaging the position of the valve stem onto a movable transmission rod of the position controller, and a yoke that rigidly joins the motor operator and the valve housing, wherein the transmission rod of the position controller and the transmission means are spatially disposed in a space of a housing closed on all sides and wherein the transmission rod of the position controller is translationally movable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.