Variable rate flow controller
US4609014A · kind A · utility
59Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1985 |
| Grant date | Sep 2, 1986 |
| Priority date | — |
| Expiry date | Oct 25, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7869
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The rate at which a flow control valve maintains flow under varying pressures can be adjusted by positioning a resilient flow control washer on a valve seat and engaging the opposite surface of the washer with an adjustable member which can be moved toward and away from the valve seat to compress the washer in varying amounts and thereby alter the value at which the washer maintains a constant flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.