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US 7,900,288 B2Granted
Drain cartridge having removable valved system
AssigneeLiquidBreaker, LLC
InventorGiovanni Fima
Life of this patent
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Abstract
Various embodiments of a cartridge for regulating a fluid flow are described that include an upper housing, and an insert that is user-removable from the upper housing. The cartridge can include one or more valves that are biased in a closed position to prevent odors from escaping the cartridge. The cartridge can also include a fluid trap that is at least partially disposed within the cartridge or fluidly coupled thereto. An ultraviolet light can be inserted within the cartridge to disinfect a fluid passageway of the cartridge.
Claims20
A cartridge for regulating a fluid flow, comprising:
- a cartridge housing;
- an insert that is user-removable from the housing;
- a downwardly-sloping first valve configured to be biased in a closed position;
- a downwardly-sloping second valve fluidly coupled to the first valve, and wherein the second valve comprises a gravity flow valve and is disposed downstream of the first valve;
- and
- first and second downwardly-sloping valve seats, wherein a first end portion of the first valve is seated beneath the first downwardly-sloping valve seat when the first valve is in a closed position, and wherein a second end portion of the second valve is seated beneath the second downwardly-sloping valve seat when the second valve is in a closed position.
3 more elements
Dependencies are inferred from the claim text.