Manual overrides for valves
US9133958B2 · kind B2 · utility
2Cited by
9References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2012 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Feb 11, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K35/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Manual overrides for valves are disclosed herein. An example apparatus includes an actuator to move a stem of a valve. The actuator includes a housing defining a bore and a piston disposed in the bore. The example apparatus also includes a rod movably coupled to the housing to extend into the bore, and the piston is to be movable via the rod or a fluid to flow into the bore. The example apparatus also includes a lock to hold the rod in a first position on the housing where the rod is to disable a supply of the fluid to the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.