Patent · US Expired

Vacuum toilet

US6668389B1 · kind B1 · utility

8Cited by

11References

20Claims

0Family size

Assignee

LUFTHANSA TECHNIK AG · DE

Inventors

Uwe Steinmetz · Wiesbaden, DE
Karlheinz Steinmüller · Alzey, DE
Thomas Dittmar · Wiesbaden, DE
Steffen Zang · Aschaffenburg, DE

Key dates

Filing date	Nov 10, 2000
Grant date	Dec 30, 2003
Priority date	—
Expiry date	Nov 10, 2020

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE03D11/18
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A vacuum toilet comprises a toilet bowl (1) and a vacuum pipeline (3) which opens out into said toilet bowl. In the region of the opening (2), the vacuum line (3) has a cross-sectional narrowing in the form of a foreign-body barrier (5) which projects radially into the line interior. Alternatively provided is an insert pipe part (6) which can be inserted into the vacuum pipeline (3) in the region of the opening (2) and has an above-described foreign-body barrier (5).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.