Relief valve
US4044793A · kind A · utility
29Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1975 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Aug 25, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87861
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A relief valve having a main passage normally closed with a main valve member and a vent passage normally closed with a vent valve member, the vent valve member being constructed to open the vent passage upon application of a predetermined pressure into the main valve passage to thereby prevent application of greater than said predetermined pressure to the outlet of the valve is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.