Patent ID: 11964238
Assignee: NEPHROS INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 3:
4. The system of claim 2, further including a main outlet valve located along the main outlet conduit downstream of the second outlet conduit; and
wherein the flushable filter system has a plurality of operating modes including:
a first operating mode in which the first filter unit is forward flushed and the second filter unit is offline;
a second operating mode in which the second filter unit is forward flushed and the first filter unit is offline;
a third operating mode in which the first filter unit is both forward and back flushed at the same time using purified liquid generated in the second filter unit;
a fourth operating mode in which the second filter unit is both forward and back flushed at the same time using purified liquid generated in the first filter unit;
a fifth operating mode in which the first filter unit is back flushed using purified liquid generated in the second filter unit; and
a sixth operating mode in which the second filter unit is back flushed using purified liquid generated in the first filter unit.