Reciprocating pump valve
US5803122A · kind A · utility
Inventor
Key dates
| Filing date | Feb 14, 1997 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | Feb 14, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/789
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A diaphragm valve for a high speed reciprocating pump includes a valve seat defining at least one channel for fluid to flow through. The channel includes a support disposed therein. A diaphragm extends over the channel and is biased towards a closed position by a raised rim on the valve seat. An indented valve face under the diaphragm is shaped such that the fluid will exert a forward force on an area of the diaphragm which is greater than the cross-sectional area of the channel. The support in the channel supports the diaphragm during the reverse cycle of fluid flow. The valve therefore is durable and consumes a minimal amount of energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.