US 11,660,551 B2 · Household wastewater filter

Abstract

A filter assembly and method of filtering wastewater from a washing machine. The filter has a framework for supporting a first filter stage and a second filter stage, a connection on a top of the filter assembly for connecting to a wastewater stream, a diffuser positioned to extend into the first filter stage and configured to rotate about a vertical axis of installation within the first filter stage, and a second filter stage below the first filter stage and configured to receive overflow from the first filter stage. The filter assembly does not include a motor or motorized parts and wherein the diffuser is rotatable by way of the force of the wastewater stream fed into the first filter stage to diffuse the wastewater stream and to spray the wastewater onto and through the filter media allowing the filter media to catch debris within the first filter stage.

Claims10

Dependent claims

A filter system comprising:

a filter assembly comprising:
a framework for supporting a first filter stage and a second filter stage;
a connection on a top of the filter assembly for connecting the filter assembly to a wastewater stream;
a diffuser positioned to extend into the first filter stage and configured to rotate about a vertical axis of installation within the first filter stage;
a second filter stage below the first filter stage and configured to receive overflow from the first filter stage;
wherein the filter assembly does not include a motor or motorized parts and wherein the diffuser is rotatable by way of the force of the wastewater stream fed into the first filter stage to diffuse the wastewater stream and to spray the wastewater onto and through the filter assembly allowing the filter assembly to catch debris within the first filter stage.

3 more elements

Dependencies are inferred from the claim text.

Household wastewater filter

Life of this patent

Household wastewater filter

Life of this patent

Abstract

Claims10