Spring-loaded safety valve for gases and vapor
US4770204A · kind A · utility
2Cited by
3References
6Claims
0Family size
Inventors
Key dates
| Filing date | Jul 21, 1987 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Jul 21, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7745
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a spring-loaded safety valve for gas and vapor, a valve disk which faces a valve seat and is movable to open or close the valve is provided with a deflecting collar which includes at an inner face thereof overlapping the valve seat two cone portions smoothly connected to each other by radii.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.