Fluid regulator, actuator and method of improving stability of a fluid regulator
US9513636B2 · kind B2 · utility
1Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2013 |
| Grant date | Dec 6, 2016 |
| Priority date | — |
| Expiry date | Oct 11, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7831
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An actuator for a fluid regulator includes two or more control springs operatively connected to a diaphragm such that at least two of the control springs bias the diaphragm independently in parallel and have different natural frequencies. A method for retrofitting a prior art actuator to include a second control spring is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.