Seat ring for valves
US7014170B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Mar 21, 2006 |
| Priority date | — |
| Expiry date | Jul 30, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/422
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve seat assembly includes a valve body defining a cavity having an axis, the cavity having a threaded receiving portion and a conical contact surface substantially concentric with the threaded receiving portion. The valve seat assembly further includes a seat ring formed about a center axis having a threaded portion to engage the valve body threaded receiving portion. The seat ring also having an outer surface including a curved contact surface sized to sealingly engage the conical contact surface wherein the curved contact surface is slidable over the conical contact surface to position the seat ring so that the seat ring center axis is substantially aligned with the cavity axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.