Diaphragm valve seat arrangement
US6092550A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jan 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/6999
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flow control device includes a first body and a second body; a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal that is disposed axially between the first and second bodies to form a seal there between; each of the first and second bodies having a generally flat surface portion near its respective outer periphery; at least one of the generally flat surfaces being adjacent an outer corner thereof; the diaphragm being singularly clamped between the generally flat portions; the diaphragm having an outer peripheral portion adjacent the generally flat surfaces and that bends over and seals at the corner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.