Flow control device
US4132241A · kind A · utility
12Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 13, 1976 |
| Grant date | Jan 2, 1979 |
| Priority date | — |
| Expiry date | Oct 13, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/789
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flow control device is provided for delivering a fluid flow in one direction only while providing for venting of a backflow of fluid in an opposite direction wherein a plurality of self-contained check valve units are slideably received in an elongated housing with one of the check valve units additionally functioning to control the venting of the back flow through an opening formed in the housing wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.