Manually operable reverse osmosis apparatus
US4070280A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 17, 1976 |
| Grant date | Jan 24, 1978 |
| Priority date | — |
| Expiry date | Nov 17, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2315/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A reverse osmosis apparatus includes a pump for pressurizing feed water introduced into a pressure resistant container in which is slidably mounted a semipermeable membrane cartridge. A rod, attached to an end of the semipermeable membrane cartridge, passes slidably and sealingly through one end of the pressure resistant container and is connected to means for reciprocal actuation. Means, preferably common, are provided to actuate the pump and the rod which imparts longitudinal reciprocal motion to the rod and the membrane cartridge within the pressure resistant container, thereby providing improved turbulence and circulation of the feed water through the semipermeable membrane cartridge over the membrane surfaces. The common means may be in the form of a lever operated by a handle or pedal, or by a power source such as an electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.