Safety pressure regulator
US4457329A · kind A · utility
154Cited by
12References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1981 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Dec 4, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7826
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A safety pressure regulator employing a diaphragm actuator that upon exposure to high temperature an element melts to release the valve from the actuator to effect its automatic closing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.