EP1761674A1 - Vakuumtoilette sowie verfahren zum betrieb einer vakuumtoilette - Google Patents
Vakuumtoilette sowie verfahren zum betrieb einer vakuumtoiletteInfo
- Publication number
- EP1761674A1 EP1761674A1 EP05755623A EP05755623A EP1761674A1 EP 1761674 A1 EP1761674 A1 EP 1761674A1 EP 05755623 A EP05755623 A EP 05755623A EP 05755623 A EP05755623 A EP 05755623A EP 1761674 A1 EP1761674 A1 EP 1761674A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum
- pressure
- valves
- container
- intermediate container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000011017 operating method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
Definitions
- the invention relates to a vacuum toilet with a toilet bowl, a vacuum generator, a collecting container, lines with valves and an intermediate container with an inlet and an outlet valve arranged between the toilet bowl and the collecting container, as well as a method for operating such a vacuum toilet.
- a so-called vacuum toilet system and the operation of such a system is described, for example, in DE 37 28 157 A1.
- the system disclosed there is intended to be used in particular in mobile units such as trains and buses.
- the following components belong to the system described there: A toilet bowl, a device for generating a vacuum, a collecting container, lines with valves and an intermediate container arranged between the toilet bowl and the collecting container.
- the procedure is as follows: With the device for generating a vacuum, which can be an ejector connected to a compressed air tank, a negative pressure is generated in the intermediate tank.
- a valve which can be opened pneumatically, is provided in front of and behind the intermediate container. After pressing a flush button, a negative pressure is generated in the intermediate container and flushing water enters the toilet bowl.
- the valve arranged in front of the intermediate container is open, flushing water and faeces are sucked into the intermediate container from the toilet bowl, which is under atmospheric pressure, as a result of the pressure gradient.
- the intermediate container is pressurized and, after opening the valve downstream of the intermediate container, the Contents of the intermediate container emptied into the collecting container.
- the wastewater is also located in the intermediate tank and, if the inlet and outlet valve seals are leaky or worn, is also pressed into the valve housings, which can lead to deposits and, after a certain period of time, to valve failure. Furthermore, it can happen that while one of the valves is opening, the housing space is briefly released and the waste water gets into the housing at the same time.
- the aim of the present invention is to prevent this penetration of waste water into the housing of the valves and this is achieved in a vacuum toilet of the type mentioned in that the housings of the inlet valve and the outlet valve are each connected to one or one source of pressure medium that the pressure in the housings is higher than that in the intermediate container when the pressure for conveying the drainage mass into the collecting container is built up there.
- the pressure medium source can also be connected to the sides of the valves facing away from the intermediate container.
- the invention also relates to a method for operating a vacuum toilet with a toilet bowl, a vacuum generator, a collecting container, lines with valves and an intermediate container arranged between the toilet bowl and collecting container with an inlet and an outlet valve, the inlet valve housing and the outlet valve housing below higher pressure than that of the intermediate container is maintained when this pressure is built up. It is obvious with the embodiment according to the invention that no deposits can form in the valve housings, which leads to an increase in the service life of the valves.
- the single figure of the drawing shows part of a vacuum toilet according to the invention.
- 10 denotes the intermediate container, which is located in terms of flow between a basin 19 and the sewer line or a collecting container 20.
- This intermediate container 10 is closed on both sides by valves, namely by the inlet valve 11 and the outlet valve 12. These are slide valves or hose valves.
- the housings of the two valves 11 and 12 are shown connected to a compressed air line and the addition P 9 is intended to express that a pressure is applied here that is higher than that in the intermediate container 10 when a pressure is built up there to convey the drainage mass will.
- compressed air P 9 is simultaneously applied to the housings of the valves 11 and 12, so that "clean" compressed air from the valves reaches the intermediate container 10 so that no drainage material can collect there and the valves remain “clean” and ultimately the life of the valves and the entire system is increased.
- the required pressure P 9 can also be derived from the pressure P which is effective in the intermediate container 10.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004031460A DE102004031460A1 (de) | 2004-06-30 | 2004-06-30 | Vakuumtoilette sowie Verfahren zum Betrieb einer Vakuumtoilette |
PCT/EP2005/006916 WO2006002857A1 (de) | 2004-06-30 | 2005-06-28 | Vakuumtoilette sowie verfahren zum betrieb einer vakuumtoilette |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1761674A1 true EP1761674A1 (de) | 2007-03-14 |
EP1761674B1 EP1761674B1 (de) | 2007-10-24 |
Family
ID=34972916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05755623A Active EP1761674B1 (de) | 2004-06-30 | 2005-06-28 | Vakuumtoilette sowie verfahren zum betrieb einer vakuumtoilette |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1761674B1 (de) |
JP (1) | JP4620116B2 (de) |
CN (1) | CN100519962C (de) |
AT (1) | ATE376609T1 (de) |
DE (2) | DE102004031460A1 (de) |
ES (1) | ES2296198T3 (de) |
HK (1) | HK1097015A1 (de) |
WO (1) | WO2006002857A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010014685U1 (de) | 2010-10-27 | 2012-01-30 | Evac Gmbh | Doppel - Toilettenanordnung |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9629361B2 (en) | 2006-02-09 | 2017-04-25 | Gojo Industries, Inc. | Composition and method for pre-surgical skin disinfection |
DE102006010569A1 (de) * | 2006-03-06 | 2007-09-20 | Roediger Vakuum- Und Haustechnik Gmbh | Unterdruckabwassereinrichtung |
DE102008064586A1 (de) * | 2008-12-23 | 2010-07-01 | Siemens Aktiengesellschaft | Vakuumtoiletten-Einrichtung für einen Eisenbahnwagen |
DE202009009805U1 (de) | 2009-07-17 | 2010-11-25 | Evac Gmbh | Vorrichtung zur mobilen Aufbereitung von stark verunreinigtem Abwasser |
DE202013008298U1 (de) * | 2013-09-20 | 2014-12-22 | Evac Gmbh | Vakuumtoilette mit wechselseitiger Quetschventilschließung |
DE202014003059U1 (de) * | 2014-04-10 | 2015-07-31 | Evac Gmbh | Pneumatische Kompakt-Vakuumtoilette |
DE202014008423U1 (de) * | 2014-10-23 | 2016-01-26 | Evac Gmbh | Sanitäreinheit mit Überwachungseinrichtung |
WO2017140942A1 (en) | 2016-02-16 | 2017-08-24 | Evac Oy | Toilet arrangement |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK154405C (da) * | 1986-08-26 | 1989-04-10 | Semco Odense As | Vakuumtoiletanordning |
US4819279A (en) * | 1987-09-28 | 1989-04-11 | Sealand Technology, Inc. | Vacuum toilet system |
US5282281A (en) * | 1992-01-31 | 1994-02-01 | Burton Mechanical Contractors, Inc. | Portable vacuum toilet system |
JPH11107346A (ja) * | 1997-09-30 | 1999-04-20 | Inax Corp | 真空排水設備 |
CN2351478Y (zh) * | 1998-11-20 | 1999-12-01 | 董红伟 | 一种充气增压气刷式节水型抽水马桶 |
FI105120B (fi) * | 1998-12-23 | 2000-06-15 | Evac Int Oy | Jätteen kuljetusjärjestelmä |
US6353942B1 (en) * | 2000-11-16 | 2002-03-12 | Evac International Oy | Modular vacuum toilet with line replaceable units |
CN2490227Y (zh) * | 2001-08-27 | 2002-05-08 | 周小芹 | 抽水马桶压力冲水装置 |
-
2004
- 2004-06-30 DE DE102004031460A patent/DE102004031460A1/de not_active Withdrawn
-
2005
- 2005-06-28 ES ES05755623T patent/ES2296198T3/es active Active
- 2005-06-28 DE DE502005001794T patent/DE502005001794D1/de active Active
- 2005-06-28 AT AT05755623T patent/ATE376609T1/de active
- 2005-06-28 WO PCT/EP2005/006916 patent/WO2006002857A1/de active IP Right Grant
- 2005-06-28 EP EP05755623A patent/EP1761674B1/de active Active
- 2005-06-28 JP JP2007518522A patent/JP4620116B2/ja active Active
- 2005-06-28 CN CNB2005800009946A patent/CN100519962C/zh not_active Expired - Fee Related
-
2007
- 2007-02-23 HK HK07102059.7A patent/HK1097015A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2006002857A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010014685U1 (de) | 2010-10-27 | 2012-01-30 | Evac Gmbh | Doppel - Toilettenanordnung |
Also Published As
Publication number | Publication date |
---|---|
JP4620116B2 (ja) | 2011-01-26 |
ATE376609T1 (de) | 2007-11-15 |
ES2296198T3 (es) | 2008-04-16 |
DE502005001794D1 (de) | 2007-12-06 |
EP1761674B1 (de) | 2007-10-24 |
CN1842628A (zh) | 2006-10-04 |
HK1097015A1 (en) | 2007-06-15 |
DE102004031460A1 (de) | 2006-01-26 |
JP2008504472A (ja) | 2008-02-14 |
CN100519962C (zh) | 2009-07-29 |
WO2006002857A1 (de) | 2006-01-12 |
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