Relief valve
US6651696B2 · kind B2 · utility
36Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2001 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Feb 6, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7929
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A relief valve with two outlet ports increases the flow capacity of the valve when open. In an alternative embodiment, a relief valve with two outlet ports also has at least two springs stacked vertically. Alternative seal assemblies can be used with the aforementioned dual outlet port valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.