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US 2022/0018557 A1Published application
Air purifying unit, air purifying device and air purifying assembly
AssigneeRenaud Green Technology Limited
InventorTak Wing Wong
Life of this patent
Estimating the term…
Abstract
An air purifying unit (52) includes a soil container (8) containing soil (5), an air flow generator (3) for drawing air from outside of the air purifying unit (52), through the soil (5) in the soil container (8), and out of the air purifying unit (52), and an automatic nutrient delivery system for delivering a nutrient to the soil (5).
Claims23
An air purifying unit (52) including:
- a soil container (8) containing soil (5), an airflow generator (3) for drawing air from outside of said air purifying unit, through said soil in said soil container, and out of said air purifying unit, and an automatic nutrient delivery system for delivering a nutrient to said soil.
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An air purifying assembly (200, 300, 400) including:
- a plurality of soil containers (101, 101a, 301) containing soil, at least one automatic nutrient delivery system for delivering a nutrient to said soil, and at least one airflow generator (404) for drawing air from outside of said air purifying assembly, through said soil in said plurality of soil containers, and out of said soil in said plurality of soil containers.
Dependencies are inferred from the claim text.