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

Claim 8:
9. A flushable filter system comprising:
a main inlet conduit that branches into a first inlet conduit and a second inlet conduit;
a main outlet conduit;
a first filter unit having first filter media contained within a first filter housing, the first filter housing having a first inlet that is fluidly connected to the first inlet conduit, a first outlet and a first flush port;
a first inlet valve that is configured to control flow of unpurified liquid into the first inlet;
a first flush port valve that is configured to control flow of at least one of unpurified liquid and purified liquid from the first filter housing;
a second filter unit having second filter media contained within a second filter housing, the second filter housing having a second inlet that is fluidly connected to the second inlet conduit, a second outlet that is connected to the main outlet conduit and a second flush port;
a second inlet valve that is configured to control flow of unpurified liquid into the second inlet;
a second flush port valve that is configured to control flow of at least one of unpurified liquid and purified liquid from the second filter housing; and
a secondary outlet conduit that branches off of the main outlet conduit and is fluidly connected to the first outlet;
wherein the flushable filter system is configured such that one of the first filter unit and the second filter unit can undergo a cleaning operation, while the other of the first filter unit and the second filter unit produces purified liquid that is delivered to the first filter unit for back flushing thereof.