Adjustable emergency relief vent with surge protection
US5275202A · kind A · utility
7Cited by
19References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 1992 |
| Grant date | Jan 4, 1994 |
| Priority date | — |
| Expiry date | Oct 15, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7835
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vent for relieving pressure from within a storage tank at a predetermined tank pressure through an opening in the tank including a mounting member for connecting the vent in sealed engagement with the opening and for providing a valve opening and associated valve seat, a poppet member for closing the valve seat at tank pressures less than the predetermined tank pressure and for opening the valve seat at tank pressures equal to and greater than the predetermined tank pressure to enable venting of the tank pressure to atmosphere, and an adjusting member for altering the predetermined tank pressure at which the poppet member opens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.