Diaphragm actuators having adjustable actuation force
US9874292B2 · kind B2 · utility
1Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Apr 20, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/1268
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Diaphragm actuators having adjustable actuation force are disclosed herein. An example apparatus includes a spring seat coupled to a diaphragm of an actuator. The spring seat is to contact a spring and is to be coupled to a stem. The diaphragm is to displace the stem based on a force provided to the diaphragm, and the stem is to control a fluid valve. The example apparatus also includes an adjuster to adjust an amount of force provided to the spring seat by the spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.