EP0954649B1 - Vacuum toilet - Google Patents

Vacuum toilet Download PDF

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Publication number
EP0954649B1
EP0954649B1 EP98907937A EP98907937A EP0954649B1 EP 0954649 B1 EP0954649 B1 EP 0954649B1 EP 98907937 A EP98907937 A EP 98907937A EP 98907937 A EP98907937 A EP 98907937A EP 0954649 B1 EP0954649 B1 EP 0954649B1
Authority
EP
European Patent Office
Prior art keywords
water
area
pool
bowl
vacuum
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.)
Expired - Lifetime
Application number
EP98907937A
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German (de)
French (fr)
Other versions
EP0954649A1 (en
Inventor
Oliver Claas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evac GmbH
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Evac GmbH
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Publication date
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Publication of EP0954649A1 publication Critical patent/EP0954649A1/en
Application granted granted Critical
Publication of EP0954649B1 publication Critical patent/EP0954649B1/en
Anticipated expiration legal-status Critical
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006Pneumatic sewage disposal systems; accessories specially adapted therefore
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/13Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00Special constructions of flushing devices, e.g. closed flushing system

Definitions

  • the invention relates to a vacuum toilet, comprising a basin with rinsing nozzles arranged in the upper basin area and a shut-off valve in the lower pool area connected drain line.
  • JP-A-6173324 (abstract) is a Basin with (implicitly) arranged in the upper basin area Flushing nozzles and a drain line connected in the lower pool area are provided, a line being connected in the lower pool area from there leads upwards and at a height slightly below the flushing nozzles automatic one-way air valve ends open. With the valve closed However, contaminated rinse water cannot be prevented from reaches the fresh water circuit.
  • the invention deals with such defects known vacuum toilets and achieves an effective remedy in that in a vacuum toilet the above Kind in the lower pool area or in the drainage area one from the pool out leading line is connected, which leads from there up and something at a height ends open below the rinsing nozzles.
  • the highest possible water level in the pool be determined that the end of this pipeline to the desired geodetic height is determined.
  • the vacuum source not only affects the mass in the pool but also on the liquid in the pipeline is available.
  • the drainage mass and the liquid are with With the help of the suction force of the vacuum attracted, and after itself has drained the pipeline, air is sucked in so that in no case, e.g. when using the toilet without Toilet seat and conceivable complete sealing of the Pool edge with the body of the person using such a Suction can be generated in the pelvis by Body parts or objects can be attracted.
  • the pool of a vacuum toilet is at 10 designated. There is one in the lower part of the pool Suction line that can be shut off by a valve 20. With arrow 30 is the direction of conveying the drainage mass or the force effect of the vacuum indicated.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Toys (AREA)
  • Confectionery (AREA)

Abstract

A vacuum toilet comprising a bowl with flushing nozzles, a shut-off valve and a waste pipe. Connected in the lower region of the bowl is a pipe (12) which leads from the latter upwards and terminates open at a level (H2) slightly below the flushing nozzles (11).

Description

Die Erfindung bezieht sich auf eine Vakuumtoilette, aufweisend ein Becken mit im oberen Beckenbereich angeordneten Spüldüsen und einem Absperrventil in der im unteren Beckenbereich angeschlossenen Ablaufleitung.The invention relates to a vacuum toilet, comprising a basin with rinsing nozzles arranged in the upper basin area and a shut-off valve in the lower pool area connected drain line.

Bei einem bekannten Wasserklosett (US 2 778 029 A) ist ein Überlauf im Becken vorgesehen, um das Überströmen von Wasser im Verstopfungsfall zu verhindern, allerdings handelt es sich hier nicht um eine Vakuumtoilette.In a known water closet (US 2,778,029 A) is a Overflow provided in the pool to prevent water from overflowing to prevent in the event of constipation, however not a vacuum toilet.

Bei einer weiteren bekannten Toilette (JP-A-6173324 (abstract)) ist ein Becken mit (implizit) im oberen Beckenbereich angeordneten Spüldüsen und einer im unteren Beckenbereich angeschlossenen Ablaufleitung vorgesehen, wobei im unteren Beckenbereich eine Leitung angeschlossen ist, die von dorther nach oben führt und auf einer Höhe etwas unterhalb der Spüldüsen durch ein automatisches Einwegluftventil offen endet. Bei geschlossenern Ventil kann jedoch nicht verhindert werden, dass verunreinigtes Spülwasser in den Frischwasserkreislauf gelangt.In another known toilet (JP-A-6173324 (abstract)) is a Basin with (implicitly) arranged in the upper basin area Flushing nozzles and a drain line connected in the lower pool area are provided, a line being connected in the lower pool area from there leads upwards and at a height slightly below the flushing nozzles automatic one-way air valve ends open. With the valve closed However, contaminated rinse water cannot be prevented from reaches the fresh water circuit.

Bei weiterhin bekannten Vakuumtoiletten (GB 2 054 688 A, US 3 956 776 A) sind zwar Überlaufrohre vorgesehen, diese lassen jedoch im Verstopfungsfall einen solch hohen Wasserstand im Becken zu, dass das Wasser mit den Spüldüsen in Kontakt kommen kann, was jedoch nicht zugelassen werden darf.In known vacuum toilets (GB 2 054 688 A, US 3 956 776 A) overflow pipes are provided, leave them however in the event of a blockage such a high water level in the Basin to allow the water to come into contact with the flushing nozzles can, but what must not be allowed.

Bei derartigen Vakuumtoiletten können Betriebsbedingungen eintreten, die höchst unerwünscht sind und zum Teil fatale Folgen haben können.With such vacuum toilets, operating conditions can occur that are highly undesirable and sometimes fatal Can have consequences.

Wenn beispielsweise die Zufuhr von Spülwasser zu den Spüldüsen auf Grund irgendeines Fehlers nicht abgestellt wird, läuft das Spülwasser in das Becken und kann nicht nach unten auslaufen, da das Absperrventil geschlossen ist. In diesem Falle steigt der Wasserspiegel im Becken an und kann schliesslich soweit gelangen, dass die Spüldüsen mit dem Spülwasser im Becken in Berührung kommen, so dass hierdurch eine unerwünschte Verbindung vom mehr oder weniger verunreinigten Spülwasser zum Frischwasserkreislauf entstehen kann. Sollte z.B. durch einen Defekt im Frischwassersystem ein Sog entstehen, würde verunreinigtes Wasser aus der Toilette in das Frischwassersystem gelangen. Dies muß jedoch ausgeschlossen werden. Die bislang hier eingesetzte Sicherungsmaßnahme wäre eine zum Frischwasserkreislauf zusätzliche Installation eines separaten Spülwasserkreislaufes, also eine verhältnismäßig kostenintensive Maßnahme. If, for example, the supply of rinse water to the rinse nozzles is not shut down due to some error, it runs Rinse water into the basin and cannot leak down, because the shut-off valve is closed. In this case it increases the water level in the pool is on and can finally go as far that the flushing nozzles with the flushing water in the basin Come into contact, making this an undesirable connection from more or less contaminated rinse water to Fresh water cycle can arise. Should e.g. through a Defect in the fresh water system would result in suction contaminated water from the toilet into the fresh water system reach. However, this must be excluded. The security measure used up to now would be one of Fresh water circuit additional installation of a separate Flushing water circuit, so a relatively cost-intensive Measure.

Weiterhin ist denkbar, daß in Fällen unsachgemäßen Gebrauchs bei bekannten Vakuumtoiletten und insbesondere bei solchen, die in Flugzeugen betrieben werden, wobei der Unterdruck außerhalb des sich in großer Höhe bewegenden Flugzeuges als Fördermittel eingesetzt wird, dass durch die Sogwirkung des Vakuums Gegenstände oder Körperteile eines Menschen angesaugt werden und die Gefahr von Sach- und ernsthaften Körperverletzungen besteht.It is also conceivable that in cases of improper use in known vacuum toilets and especially in those which are operated in aircraft, the negative pressure outside of the aircraft moving at high altitude as Funding is used that through the suction of the Vacuum objects or body parts of a human being sucked in become and the danger of material and serious There is physical injury.

Die Erfindunmg beschäftigt sich mit derartigen Mängeln bekannter Vakuumtoiletten und erreicht eine wirksame Abhilfe dadurch, dass bei einer Vakuumtoilette der eingangs genannten Art im unteren Beckenbereich oder im Abflußbereich eine aus dem Becken heraus führende Leitung angeschlossen ist, die von dorther nach oben führt und auf einer Höhe etwas unterhalb der Spüldüsen offen endet.The invention deals with such defects known vacuum toilets and achieves an effective remedy in that in a vacuum toilet the above Kind in the lower pool area or in the drainage area one from the pool out leading line is connected, which leads from there up and something at a height ends open below the rinsing nozzles.

Auf Grund der kommunizierend angeschlossenen Rohrleitung kann der höchstmögliche Wasserpegel in dem Becken dadurch festgelegt werden, dass das Ende dieser Rohrleitung auf die gewünschte geodätische Höhe festgelegt wird. Liefern die Spüldüsen also Spülwasser in das Becken bei geschlossenem Ventil nach, so ist der krasseste Fall, der eintreten kann, der, dass über das nach oben offene Ende der Rohrleitung das Spülwasser austritt. Es kann in keinem Fall dazu kommen, dass der Wasserstand im Becken die Höhe der Düsen erreicht, eine Beeinträchtigung des Frischwasserkreislaufes ist damit ausgeschlossen.Due to the communicating connected pipeline the highest possible water level in the pool be determined that the end of this pipeline to the desired geodetic height is determined. Deliver the Rinsing nozzles so rinsing water into the pool when closed Valve, so the most glaring case that can occur of that over the open end of the pipeline Rinsing water escapes. Under no circumstances can it happen that the water level in the pool reaches the height of the nozzles, one This affects the fresh water circuit locked out.

Beim Absaugvorgang der Vakuumtoilette gemäß der Erfindung wirkt die Vakuumquelle nicht nur auf die Masse im Becken sondern auch auf die Flüssigkeit ein, die in der Rohrleitung vorhanden ist. Die Ablaufmasse und die Flüssigkeit werden mit Hilfe der Saugkraft des Vakuums angezogen, und, nachdem sich die Rohrleitung entleert hat, wird Luft angesaugt, so dass in keinem Fall, z.B. bei Benutzung der Toilette ohne Toilettensitz und denkbarer vollständiger Abdichtung des Beckenrandes mit dem Körper der benutzenden Person eine solche Sogwirkung im Becken erzeugt werden kann, durch die Körperteile oder Gegenstände angezogen werden können.When vacuuming the vacuum toilet according to the invention the vacuum source not only affects the mass in the pool but also on the liquid in the pipeline is available. The drainage mass and the liquid are with With the help of the suction force of the vacuum attracted, and after itself has drained the pipeline, air is sucked in so that in no case, e.g. when using the toilet without Toilet seat and conceivable complete sealing of the Pool edge with the body of the person using such a Suction can be generated in the pelvis by Body parts or objects can be attracted.

Es kommt noch hinzu, dass durch geeignete Dimensionierung dieser zusätzlichen Rohrleitung hinsichtlich des Innendurchmessers oder einer Drosselstelle erreicht werden kann, dass die angesaugte Masse in gewisser Weise fluidisiert wird, so dass sich insgesamt die Verhältnisse beim Absaugen günstiger darstellen.It also adds that by appropriate sizing this additional pipeline in terms of Inside diameter or a throttle point can be reached can that the sucked mass fluidized in some way is, so that the overall conditions when vacuuming represent cheaper.

Die Erfindung wird nachstehend anhand der Zeichnung beispielsweise erläutert.The invention is described below with reference to the drawing for example explained.

Die einzige Figur der Zeichnung zeigt eine schaubildliche Darstellung einer Vakuumtoilette im Vertikalschnitt.The only figure in the drawing shows a graphic Vertical section of a vacuum toilet.

In der Figur ist mit 10 das Becken einer Vakuumtoilette bezeichnet. Im unteren Teil des Beckens befindet sich eine Absaugleitung, die durch ein Ventil 20 abgesperrt werden kann. Mit dem Pfeil 30 ist die Richtung des Förderns der Ablaufmasse bzw. die Kraftwirkung des Vakuums angedeutet.In the figure, the pool of a vacuum toilet is at 10 designated. There is one in the lower part of the pool Suction line that can be shut off by a valve 20. With arrow 30 is the direction of conveying the drainage mass or the force effect of the vacuum indicated.

Im oberen Teil des Beckens befinden sich mehrere Spüldüsen 11, die auf einer geodätischen Höhe H1 angeordnet sind und deren Sinn und Zweck bekannt ist. Vorschriften verlangen, dass diese Spüldüsen 11 mit dem sich in dem Becken 10 sammelnden Wasser nicht in Berührung kommen dürfen, was, wie bereits ausgeführt, bei bekannten Toiletten aber nicht sichergestellt werden kann.In the upper part of the basin there are several flushing nozzles 11, which are arranged at a geodetic height H1 and their Meaning and purpose is known. Regulations require this Flushing nozzles 11 with the water collecting in the basin 10 must not come into contact with what, as already stated, in known toilets but can not be ensured.

Im unteren Bereich des Beckens 10, etwa in der Rohrleitung jedenfalls strömungsmäßig vor dem Absperrventil 20, ist eine Leitung 13 angeschlossen, welche in einem Bereich 12 nach oben hin ansteigt und schliesslich auf einer Höhe H2 bei 14 nach außen hin offen endet.In the lower area of the basin 10, for example in the pipeline at least in terms of flow upstream of the shut-off valve 20, is one Line 13 connected, which in an area 12 upwards increases and finally at a height of H2 at 14 ends open on the outside.

Es ist ersichtlich, dass kein Flüssigkeitsstand im Becken über die geodätische Höhe H2 hinausgehen kann, weil in diesem Fall über die Leitung 12 und das offene Ende 14 Wasser abfließen kann.It can be seen that there is no fluid level in the pool above the geodetic height H2 can go out because in this case Drain water via line 12 and the open end 14 can.

Claims (1)

  1. Vacuum toilet comprising a bowl (10) with flushing nozzles (11) arranged in the top bowl area and a stop valve (20) in the drainage pipe (30) connected in the bottom bowl area, characterised in that a pipe (12) extending out of the bowl (10) is connected in the bottom bowl area or in the drainage area, which extends towards the top therefrom and openly terminates at a level (H2) slightly below the flushing nozzles (11).
EP98907937A 1997-01-22 1998-01-10 Vacuum toilet Expired - Lifetime EP0954649B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29700985U 1997-01-22
DE29700985U DE29700985U1 (en) 1997-01-22 1997-01-22 Vacuum toilet
PCT/EP1998/000120 WO1998032929A1 (en) 1997-01-22 1998-01-10 Vacuum toilet

Publications (2)

Publication Number Publication Date
EP0954649A1 EP0954649A1 (en) 1999-11-10
EP0954649B1 true EP0954649B1 (en) 2003-05-02

Family

ID=8034848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98907937A Expired - Lifetime EP0954649B1 (en) 1997-01-22 1998-01-10 Vacuum toilet

Country Status (7)

Country Link
US (1) US6223357B1 (en)
EP (1) EP0954649B1 (en)
JP (1) JP3722447B2 (en)
KR (1) KR20000070385A (en)
AT (1) ATE239146T1 (en)
DE (2) DE29700985U1 (en)
WO (1) WO1998032929A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10002070C2 (en) * 2000-01-18 2001-12-20 Roediger Vakuum & Haustechnik Toilet bowl
DE20006269U1 (en) 2000-04-05 2000-12-21 Evac International Oy, Helsinki Connection coupling for the waste water disposal of aircraft
US7987527B1 (en) 2004-12-14 2011-08-02 Shumaker James J Toilet ventilation device
BRPI0920733B1 (en) * 2008-10-03 2019-08-06 B/E Aerospace, Inc. VACUUM WASTE SETTINGS AND METHOD FOR USING A WASTE SET
US9951504B2 (en) 2015-03-30 2018-04-24 B/E Aerospace, Inc. Apparatus for controlling a toilet system
CN104983351A (en) * 2015-06-03 2015-10-21 安徽雷风动力科技有限公司 Vacuum toilet for intercity bus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06173324A (en) * 1992-12-03 1994-06-21 Inax Corp Toilet bowl

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US108146A (en) * 1870-10-11 Improvement in water-closet hoppers
US2778029A (en) 1953-11-25 1957-01-22 Case Mfg Corp Non-overflow water closet
US3995328A (en) * 1974-12-13 1976-12-07 The Boeing Company Vacuum toilet system
US3956776A (en) * 1975-05-28 1976-05-18 Thetford Corporation Liquid waste material conveying system for toilets and the like
DE2654437C2 (en) * 1976-12-01 1978-10-05 Electrolux Gmbh, 2000 Hamburg Vacuum drainage system for houses, factories, ships or the like
DE3026763A1 (en) * 1979-07-18 1981-02-12 Rogerson Aircraft Controls VACUUM WASTE TOILET SYSTEM
FI99156C (en) * 1993-04-19 1997-10-10 Evac Ab Electric controller
US5732417A (en) * 1996-03-12 1998-03-31 Envirovac Inc. Vaccum toilet system
US6012678A (en) * 1998-01-26 2000-01-11 The Boeing Company Galley vacuum waste disposal system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06173324A (en) * 1992-12-03 1994-06-21 Inax Corp Toilet bowl

Also Published As

Publication number Publication date
JP3722447B2 (en) 2005-11-30
KR20000070385A (en) 2000-11-25
EP0954649A1 (en) 1999-11-10
US6223357B1 (en) 2001-05-01
WO1998032929A1 (en) 1998-07-30
DE29700985U1 (en) 1998-05-20
DE59808156D1 (en) 2003-06-05
JP2001508512A (en) 2001-06-26
ATE239146T1 (en) 2003-05-15

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