Flow control valve
US4073311A · kind A · utility
22Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 1976 |
| Grant date | Feb 14, 1978 |
| Priority date | — |
| Expiry date | Dec 10, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87555
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A bi-directional valve for unrestricted flow in one direction and a regulable restriction for flow control in the other direction which includes an in-line housing and a two-piece valve assembly transversely positioned in said housing having a valve seat in one portion, a valve to control said valve seat opening in another portion, and a ring by-pass valve on one of said portions cooperating with an annular seat on said housing, the by-pass valve being flexible to respond to fluid flow, closing in one direction against the annular seat and moving away from said annular seat when the flow is reversed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.