Control valve for a fluid treatment system
US8302631B2 · kind B2 · utility
5Cited by
44References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2008 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Dec 5, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8737
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A control valve assembly for a fluid treatment system including a valve housing defining a plurality of compartments and a piston assembly associated with each of the compartments. Each of the piston assemblies is configured to be independently movable in each of the compartments. The control valve assembly also includes a gearbox that is associated with the housing and includes a plurality of cams driven by a motor, where each of the cams is configured to drive a corresponding one of the piston assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.