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US 6,701,541 B2Granted
Odor trap for a waterless urinal
AssigneeGeberit Technik AG
InventorsJürg Romagna, Erwin Schibig
Life of this patent
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Abstract
An odor trap having a cup-shaped housing, which has an inlet located on an upper end and an outlet on a lower end leading into a drain line. A siphon blocks the passage of gas from the outlet to the inlet. A urine collector is configured in the shape of an inlet funnel. The inlet funnel empties into an open tube with a relatively narrow inside diameter.
Claims20
An odor trap for one of a waterless and a low-water urinal, comprising a cup-shaped housing having an inlet located on an upper end and an outlet on a lower end that leads into a drain line;
- a siphon configured to block the passage of gas from the outlet to the inlet;
- and a replaceable insert in the form of a urine collector in the shape of an inlet funnel configured to empty into a tube with a relatively small inside diameter, wherein the replaceable insert consists of the inlet funnel located on an upper end of the inlet, conical surfaces at the lower end of this inlet, wherein these surfaces create a conically expanding area and the tube with a relatively small inside diameter that is located between the inlet funnel and the conical surfaces for the condensation of the odorous substances.
Dependencies are inferred from the claim text.