Rotary disk control valve for a water conditioning system
US5741005A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1996 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | Mar 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/42
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A control valve is provided for a water conditioning system having a mineral tank. The control valve includes a housing having an upper body portion and a lower body portion. The housing defines a chamber located between the upper and lower body portions. The upper body portion includes a first upper port, a second upper port, and a third upper port. The lower body portion includes a first lower port, second lower port, and a third lower port which provide fluid communication with the tank. A cylindrical disk is located within the chamber and is selectively rotatable about a central axis. The disk includes an upper face having a generally centrally located aperture and a peripherally located aperture. The disk also includes a spaced apart lower face having a first peripherally located aperture and a second peripherally located aperture. A first fluid passage extends through the disk between the centrally located aperture in the upper face and the first peripherally located aperture in the lower face. A second fluid passage extends through the disk between the peripherally located aperture in the upper face and the second peripherally located aperture in the lower face. Rotation of …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.