Rotary flow control valve
US5162080A · kind A · utility
11Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Oct 16, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86726
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A rotary flow control valve for controlling the cycles of a multicycle liquid treatment apparatus such as a water softener. A pair of rotatable, slotted, circular disks connected to rotate with each other are located in a pair of aligned interconnected cylindrical housings. Rotation of the disks controls the flow of liquid through various paths in the valve. Clamps and clips are provided securing together the parts of the assembled valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.