Valve for use in connection with oil production and gas production
US8091861B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2007 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Nov 14, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K39/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve for use in connection with oil production and gas production comprising a valve housing (1) which is connected to at least one inlet (2) and an outlet (3), which together define a flow channel (16) through the valve, a valve body (9), which is set up to selectively open and close for fluid flow in the flow channel (16). A valve seat (6,7), is fitted with at least one seal against the valve housing (1), the valve seat (6) is fitted with an undercut (31) on the side of the valve seat that faces the valve body (9). The undercut (31) is in direct fluid communication with the flow channel (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.