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US 12,491,475 B2Granted
Installation system comprising a wastewater line
AssigneeBTW Holding GmbH
InventorsJürgen Johann, Katharina Weitgasser
Life of this patent
Estimating the term…
Abstract
A germ barrier is provided in the concentrate/wastewater drain from a water installation system towards the wastewater sewer in order to prevent backward contamination with germs, using a UV lamp or a chemical germ barrier that contains an alkaline material, in particular a material selected from the group consisting of carbonates, oxides, and peroxides, and combinations thereof.
Claims16
A water installation system connectable to a home water supply, comprising:
- a water filtration device;
- an input line configured for supplying raw drinking water from a drinking water source to the water filtration device:
- an extraction line configured for delivering treated drinking water from the water filtration device to a faucet;
- a drain line for discharging wastewater from the water filtration device to a wastewater sewer;
- and
- a germ barrier disposed in the drain line downstream of the water filtration device and upstream of the wastewater sewer.
3 more elements
A method for treating water, comprising:
- supplying raw drinking water through an input line from a drinking water source to a water filtration device;
- delivering treated drinking water from the water filtration device to a faucet through an extraction line;
- discharging wastewater from the water filtration device to a wastewater sewer through a drain line;
- and
- passing the wastewater through a chemical germ barrier arranged in the drain line.
2 more elements
A method for treating water, comprising:
- supplying raw drinking water through an input line from a drinking water source to a water filtration device;
- delivering treated drinking water from the water filtration device to a faucet through an extraction line;
- discharging wastewater from the water filtration device to a wastewater sewer through a drain line;
- and
- subjecting the wastewater to UV light by passing the wastewater through a germ barrier that comprises a UV lamp, the germ barrier being arranged in the drain line.
2 more elements
Dependencies are inferred from the claim text.