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US 11,981,434 B2Granted
Waste drain systems and methods for a toilet
AssigneeThe Boeing Company
InventorDarren Carl McIntosh
Life of this patent
Estimating the term…
Abstract
A waste drain system is configured to be coupled to a toilet. The waste drain system includes a conduit including a main body defining an internal passage having a central longitudinal axis, and one or more cutting blades extending from the main body toward the central longitudinal axis. The one or more cutting blades are configured to cut one or more items that pass through the internal passage.
Claims20
A waste drain system configured to be coupled to a toilet, the waste drain system comprising:
- a conduit configured to be outside of a bowl of the toilet, the conduit including a main body defining an internal passage having a central longitudinal axis;
- and
- one or more cutting blades within the conduit, the one or more cutting blades extending from the main body toward the central longitudinal axis, wherein the one or more cutting blades are configured to cut one or more items that pass through the internal passage.
A waste drain method, comprising:
- cutting one or more items flushed down a toilet by one or more cutting blades of a waste drain system that is coupled to or within a waste drain connected to and outside of a bowl of the toilet.
A vehicle comprising:
- an internal cabin;
- a lavatory within the internal cabin, wherein the lavatory comprises a toilet;
- a vacuum generator coupled to the toilet;
- and
- a waste drain system coupled to the toilet, the waste drain system comprising:
- a conduit outside of a bowl of the toilet, the conduit including a main body defining an internal passage having a central longitudinal axis, wherein a waste passage extends around the central longitudinal axis, and wherein the conduit is coupled to the vacuum generator;
- and
- one or more cutting blades within the conduit, the one or more cutting blades extending from the main body toward the central longitudinal axis, wherein the one or more cutting blades are outside of the waste passage, wherein the one or more cutting blades are configured to cut one or more items that pass through the internal passage, and wherein the vacuum generator is configured to draw the one or more items through the internal passage by vacuum force.
5 more elements
Dependencies are inferred from the claim text.