Spring check valve cartridge
US5348046A · kind A · utility
4Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1993 |
| Grant date | Sep 20, 1994 |
| Priority date | — |
| Expiry date | May 13, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7937
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A reversible check valve cartridge wherein a sealing disk is urged to the shutoff position by means of a cage mounted umbrella spoke-like spring which is secured to the cage and is fully recessable therein so as to permit full travel of the sealing disk within the cage, thereby permitting increased flow for a given thickness of the valve cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.