Valve actuator
US3982725A · kind A · utility
66Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 1974 |
| Grant date | Sep 28, 1976 |
| Priority date | — |
| Expiry date | Jun 27, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/1635
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A low profile fluid powered actuator particularly for valves of the type in which the valve element is rotated to open and close the flow passageway through the valve body, the actuator having a novel internal porting system, means for direct attachment of the valve stem to the shaft of the actuator, and a novel manual override for manually operating the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.