Check valve for a self-priming pump
US7784489B2 · kind B2 · utility
10Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2006 |
| Grant date | Aug 31, 2010 |
| Priority date | — |
| Expiry date | Mar 24, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/79
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.