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US 2003/0141231 A1Published application
Baffle insert for drains
OwnerJohn M. Rattenbury, Per Sommerheininventors
Life of this patent
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Abstract
A baffle insert for conversion of conventional gravity drains into siphonic drains. The baffle insert is placed into a sump bowl of a gravity drain and by nature of its design changes hydraulic condition in the drain to a siphonic condition. The baffle insert is composed of a baffle plate and a plurality of fin extensions coupled to a bottom surface of the baffle plate. In a preferred embodiment, the number of fin extensions is 12, and the bottom surface of the baffle plate has a concave shape.
Claims20
A baffle insert for drains, comprising:
- a baffle plate, having a central axis, a lateral edge, a top surface, and a bottom surface;
- a plurality of fin extensions coupled to the bottom surface of the baffle plate.
A baffle insert for drains, comprising:
- a round baffle plate, having a central axis, a lateral edge, a top surface, and a bottom surface;
- a plurality of fin extensions coupled to the bottom surface of the baffle plate, wherein the fin extensions are arranged in a radial pattern with respect to the central axis of the baffle plate, and wherein each fin extension has an outer edge, and a bottom edge.
Dependencies are inferred from the claim text.