EP0857242B2 - Piege a odeurs pour conduits d'evacuation, a ecoulement horizontal, preservant l'huile d'etancheite - Google Patents

Piege a odeurs pour conduits d'evacuation, a ecoulement horizontal, preservant l'huile d'etancheite Download PDF

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Publication number
EP0857242B2
EP0857242B2 EP96936998.2A EP96936998A EP0857242B2 EP 0857242 B2 EP0857242 B2 EP 0857242B2 EP 96936998 A EP96936998 A EP 96936998A EP 0857242 B2 EP0857242 B2 EP 0857242B2
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EP
European Patent Office
Prior art keywords
trap
sealant
baffle
odor
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.)
Expired - Lifetime
Application number
EP96936998.2A
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German (de)
English (en)
Other versions
EP0857242B1 (fr
EP0857242A1 (fr
Inventor
Ditmar L. Gorges
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.)
FALCON WATERFREE TECHNOLOGIES, LLC
Original Assignee
Falcon Waterfree Technologies LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Falcon Waterfree Technologies LLC filed Critical Falcon Waterfree Technologies LLC
Priority to DE29624209U priority Critical patent/DE29624209U1/de
Priority to EP01123582A priority patent/EP1176261A1/fr
Priority to DE29624315U priority patent/DE29624315U1/de
Publication of EP0857242A1 publication Critical patent/EP0857242A1/fr
Publication of EP0857242B1 publication Critical patent/EP0857242B1/fr
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Publication of EP0857242B2 publication Critical patent/EP0857242B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/281—Odour seals using other sealants than water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells

Definitions

  • Sanitation codes require urinals to provide an odor seal to contain gasses and odors which develop in the drain system: this function is conventional performed by the well known P-trap or S-trap in which the seal is formed by a residual portion of the flushing water.
  • This seal effectively locks in sewer odors from the drain-pipe beyond the trap, however the upward-facing liquid surface communicates freely with the user environment, so that the crap must be kept free of residual urine by copious flushing to prevent unacceptable odor levels from the liquid in the crap; therefore a large amount of water is consumed in flushing these conventional urinals.
  • conventional flushing type urinals and wafer-wasteful toilets held an unchallenged monopoly.
  • threatened and real water shortages have aroused new environmental concerns and heightened conservation awareness as evidenced by the introduction of low flush toilets.
  • a key parameter of oil-sealed odor traps for waterless urinals is the amount of sealant depletion that takes place under normal service conditions over periods of time and frequency of usage. Related to this is the possible partial or complete loss of sealant due to the abnormal condition of unnecessary but unavoidable high pressure flushing with water. While some modem oil-sealed odor traps are considerably improved over early versions, there remains an unfulfilled need for further improvements in the above-described aspects of sealant preservation.
  • the odor trap is preferably configured such that it can be economically made from two molded plastic parts, i.e., a main compartment part and a cap/baffle part, that can be molded from plastic and joined by thermal bonding into a unit configured as a replaceable cylindrical cartridge that can be charged with sealant and sealed with a sticker for shipment so that upon Installation it is necessary only to install the cartridge and remove the sticker.
  • FIG. 1 is a mid cross-sectional view of an odor trap 10A of the edge-entry trap configuration of known type for example as disclosed in DE 2 816 597 , configured as a cylindrical cartridge.
  • urine from above near the outer edge separates into droplets that permeate through the layer of sealant 20 and then join the main body of urine 18 .
  • additional urine enters the body of urine 18 , it overflows the stand pipe 14A and the over-flow portion gravitates down the drain.
  • the component X labelled in the FIGS. Is an approximate average of the horizontal vector components X of the wastewater flow, extending from the middle of the entry opening (e.g. the point of average entry of the wastewater into the sealant) to a furthest point along the flow path (e.g, around the baffle) in which sealant recovery can occur.
  • the invention contemplates a value X based on the approximate average, generally all of the wastewater will follow a flow path having a component X , e.g. any wastewater not following such a flow path would be insubstantial enough to effect the proper functioning of the invention -- such as if extraneous openings were provided allowing a minimal volume flow rate therethrough.
  • a vertical vector component Y of the flow path can be approximately defined as the vertical distance from the top of stand pipe 14A to the bottom of baffle 16A . Accordingly, an alternative feature can be based on a ratio X/Y, which can be used to estimate an effective slope of the flow path - for example, X/Y ⁇ 1 indicating a predominantly vertical flow path and X/Y > 1 indicating a predominantly horizontal flow path.
  • FIG. 5 depicts a center-antry odor trap 10E wherein the baffle is configured with a vertical upper portion 16A and a horizontal lower portion 16B flanged outwardly as shown. This creates a folded liquid path having upper portion 22A above and lower portion 22B as shown. Only the upper portion 22A will be effective in returning stray sealant because the baffle 16B is not sloped. Thus, stray sealant in the portion 22B will tend to get swept along to the right and escape to the drain along with the effluent.
  • the horizontal recovery dimension X will be as indicated, derived from the upper flow path portion 22A .
  • the enclosure can be, for example, dimensioned about 11.4 cm (4 1/2") in diameter and 7.0 cm (2 3/4") in height.
  • the size of the trap is to be limited.
  • the diameter of the trap is preferably between 5.0 to 6.4 cm (2 to 2 1 ⁇ 2 inches).
  • It is preferably molded from polyethylene, or from another suitable plastic material such as polypropylene, ABS or polystyrene, to provide a smooth stain-resistant surface.
  • the material can also include a fiberglass reinforced polyester. Other suitable materials can also be utilized.
  • the main container 14 and cap/partition part 16 are molded as separate parts and then bonded together to form an integral enclosure, sines access to the interior is not normally required.
  • the inlet and outlet locations and the baffle configuration, etc. result in a predominantly horizontal flow
  • the preferred embodiments of the present invention yield values of X/R > 30%, as distinguished, for example, from predominantly vertical flow of known art in the above table.
  • the present invention can even yield values greater than 50%, allowing for a wide margin above the 15% estimated for the noted prior art.
  • the present invention provides values of X/Y of greater than 1.0, while the above-noted estimate of the noted prior art achieves a value substanlially less than 1.0.
  • a tubular drain stand 14C is provided which extends upward at the right hand side of the floor 14B .
  • the top edge of the drain stand 14C defines the overflow level of the container.
  • the two liquid flow paths 22A and 22B shown provide a corresponding recovery path dimension X similar to that shown in FIG. 12 -- e.g., the sum X1 + X2 from the paths 22A and 22B , respectively.
  • a body of wastewater 18 has a sealant layer 18 buoyantly floating thereon.
  • the bottom member 170 includes a perimeter wall 171 , a bottom wall 172, and a upwardly extending drain stand 173.
  • the drain stand preferably is a cylindrical tube extending above the wall 171 with an upper opening 175 and a lower opening 176 .
  • the lower edge of the bottom member can, for example, as shown include a tapered wall 174.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Epidemiology (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Sewage (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Removal Of Floating Material (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Ink Jet (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Centrifugal Separators (AREA)
  • External Artificial Organs (AREA)

Claims (22)

  1. Piège à odeurs pour conduit d'évacuation adapté à contenir, en service, un corps d'eaux usées agissant comme moyen d'étanchéité anti-odeurs vis-à-vis des gaz d'égouts pour des urinoirs sans eau, le piège comprenant :
    un conteneur principal (14) renfermant un déflecteur (16A, 16B) et ayant au moins une ouverture d'entrée (16D) au travers de laquelle généralement toutes les eaux usées pénètrent dans le conteneur principal ; un compartiment d'entrée recevant lesdites eaux usées et communiquant avec un compartiment d'évacuation adjacent au-dessous dudit déflecteur (16A, 16B) ;
    une colonne d'évacuation (14A), formée dans le compartiment d'évacuation, ayant un bord supérieur définissant un niveau de trop-plein pour le conteneur et une ouverture de fond adaptée à communiquer avec un conduit d'évacuation externe ;
    une couche de produit d'étanchéité (20) de faible densité, flottant sur une portion du corps d'eaux usées dans ledit compartiment d'entrée du piège et agissant comme moyen d'étanchéité anti-odeurs contre les odeurs provenant des eaux usées contenues ;
    ladite ouverture d'entrée (16D) et ledit déflecteur (16A, 16B) étant disposés pour offrir une voie d'écoulement de fluide (22) au travers du piège pour généralement toutes les eaux usées pénétrant dans le piège, et
    ledit conteneur principal (14) ayant une dimension (R) à la hauteur d'une extrémité inférieure du déflecteur (16A, 16B), prise à partir du centre du conteneur jusqu'à l'un de ses côtés,
    caractérisé en ce que
    ladite voie d'écoulement de liquide (22) définit une longueur de composant horizontal (X) le long de laquelle le produit d'étanchéité dispersé est soumis à une poussée statique ascensionnelle et retourne à la couche de produit d'étanchéité (20), la longueur de composant horizontal (X) étant le composant horizontal du trajet des eaux usées dans la voie d'écoulement depuis le milieu de l'ouverture d'entrée (16D) jusqu'à l'extrémité inférieure du déflecteur (16A, 16B), la longueur de composant horizontal (X) étant supérieure à 30% de ladite dimension (R) du conteneur.
  2. Piège à odeurs pour conduit d'évacuation adapté à contenir, en service, un corps d'eaux usées agissant comme moyen d'étanchéité anti-odeurs vis-à-vis des gaz d'égouts pour des urinoirs sans eau, le piège comprenant :
    un conteneur principal (14) renfermant un déflecteur (16A, 16B) et ayant au moins une ouverture d'entrée (16D) au travers de laquelle généralement toutes les eaux usées pénètrent dans le conteneur principal ; un compartiment d'entrée recevant lesdites eaux usées et communiquant avec un compartiment d'évacuation adjacent au-dessous dudit déflecteur (16A, 16B) ;
    une colonne d'évacuation (14A), formée dans le compartiment d'évacuation, ayant un bord supérieur définissant un niveau de trop-plein pour le conteneur et une ouverture de fond adaptée à communiquer avec un conduit d'évacuation externe ;
    une couche de produit d'étanchéité (20) de faible densité, flottant sur une portion du corps d'eaux usées dans ledit compartiment d'entrée du piège et agissant comme moyen d'étanchéité anti-odeurs contre les odeurs provenant des eaux usées contenues ;
    ladite ouverture d'entrée (16D) et ledit déflecteur (16A, 16B) étant disposés pour offrir une voie d'écoulement de fluide (22) au travers du piège pour généralement toutes les eaux usées pénétrant dans le piège,
    caractérisé en ce que
    ladite voie d'écoulement de liquide (22) définit une longueur de composant horizontal (X) le long de laquelle le produit d'étanchéité dispersé est soumis à une poussée statique ascensionnelle et retourne à la couche de produit d'étanchéité (20), la longueur de composant horizontal (X) étant le composant horizontal du trajet des eaux usées dans la voie d'écoulement depuis le milieu de l'ouverture d'entrée (16D) jusqu'à l'extrémité inférieure du déflecteur (16A, 16B), la longueur de composant horizontal (X) étant supérieure à une distance verticale (Y) mesurée depuis ledit niveau de trop-plein jusqu'à l'extrémité inférieure dudit déflecteur (16A, 16B).
  3. Piège à odeurs selon la revendication 1 ou 2, dans lequel ladite au moins une ouverture (16D) est ménagée dans une surface supérieure (16C) du conteneur.
  4. Piège à odeurs selon la revendication 1 ou 2, dans lequel le déflecteur comprend une portion verticale (16A) s'étendant vers le bas jusque dans ledit conteneur (14) depuis une surface supérieure (16C) de celui-ci, et divisant ledit conteneur en ledit compartiment d'entrée et ledit compartiment d'évacuation.
  5. Piège à odeurs selon la revendication 4, dans lequel le déflecteur comprend, en outre, une portion non verticale (16B) s'étendant en direction du compartiment d'entrée ou en direction du compartiment d'évacuation depuis l'extrémité inférieure de ladite portion verticale (16A).
  6. Piège à odeurs selon la revendication 1 ou 2, dans lequel le déflecteur comprend une portion non verticale (16B) s'étendant vers le bas jusque dans le conteneur (14) depuis une surface supérieure (16C) de celui-ci, et divisant ledit conteneur en ledit compartiment d'entrée et ledit compartiment d'évacuation.
  7. Piège à odeurs selon la revendication 1 ou 2, dans lequel la au moins une ouverture (16D) est ménagée dans une région centrale de la surface supérieure (16C) du piège, ladite région centrale étant sécante à l'axe central (D-D') du piège.
  8. Piège à odeurs selon la revendication 5, 6 ou 7, dans lequel la portion non verticale (16B) dudit déflecteur est en pente de manière à faire que les gouttelettes dispersées de produit d'étanchéité de faible densité s'élèvent sous la poussée statique ascensionnelle, depuis ladite voie d'écoulement de liquide (22) au-dessous de ladite portion non verticale, pour être redirigées vers ladite couche de produit d'étanchéité (20).
  9. Piège à odeurs selon l'une quelconque des revendications 1 à 8, dans lequel ladite longueur de composant horizontal (X) est l'entier composant horizontal du trajet des eaux usées au-dessous de ladite au moins une couche de produit d'étanchéité (20) et, lorsqu'elle est présente, d'une portion en pente (16B) dudit déflecteur.
  10. Piège à odeurs selon l'une quelconque des revendications 3 à 9, lorsqu'elles sont dépendantes de la revendication 1, dans lequel le conteneur principal (14) est généralement cylindrique et ladite dimension (R) du conteneur en est son rayon.
  11. Piège à odeurs selon la revendication 10, dans lequel ledit rayon (R) est compris dans la gamme allant de 5,0 à 6,4 cm (2 à 2,5 pouces).
  12. Piège à odeurs selon l'une quelconque des revendications 1 à 11, dans lequel ledit conteneur comprend, dans une partie supérieure de celui-ci, une région d'abri (T) adjacente à ladite au moins une ouverture d'entrée (16D), ladite région d'abri (T) acceptant le produit d'étanchéité de faible densité, temporairement déplacé par les eaux chassées dans ledit piège en suivant ledit trajet d'écoulement (22), abritant ainsi le produit d'étanchéité déplacé et évitant les pertes en produit d'étanchéité.
  13. Piège à odeurs selon la revendication 12, dans lequel un couvercle (16C) au sommet dudit conteneur est en pente descendante, ladite au moins une ouverture d'entrée (16D) étant à une extrémité inférieure de la pente et ladite région d'abri (T) étant située sous une région supérieure de la pente.
  14. Piège à odeurs selon la revendication 12, comprenant, en outre, un évent (16F) dans ladite région supérieure du couvercle (16C) au-dessus de ladite région d'abri (T).
  15. Piège à odeurs selon l'une quelconque des revendications 1 à 14, dans lequel ledit conteneur principal (14) est fait en matière plastique.
  16. Piège à odeurs selon la revendication 15, dans lequel le conteneur (14) est moulé à partir d'une matière plastique choisie dans le groupe comprenant le polyéthylène, le polypropylène et le polyester renforcé par des fibres de verre.
  17. Piège à odeurs selon l'une quelconque des revendications 1 à 16, dans lequel le produit d'étanchéité (20) de faible densité est un liquide huileux.
  18. Piège à odeurs selon l'une quelconque des revendications 1 à 16, dans lequel le produit d'étanchéité (20) de faible densité est un alcool aliphatique, en particulier un alcool aliphatique ayant de 9 à 11 atomes de carbone dans sa chaîne.
  19. Piège à odeurs selon l'une quelconque des revendications 1 à 17, dans lequel le produit d'étanchéité (20) de faible densité à une densité qui n'excède pas 0,9.
  20. Système pour l'évacuation des eaux usées dans un urinoir sans eau, comprenant :
    a) un piège à odeurs selon l'une quelconque des revendications 1 à 19 ;
    b) un élément de surface d'évacuation pour diriger les eaux usées jusque dans ladite au moins une ouverture d'entrée (16D) dudit piège.
  21. Système selon la revendication 20, dans lequel ledit élément de surface d'évacuation est un urinoir sans eau (140) monté sur un mur.
  22. Système selon la revendication 20, comprenant en outre un élément formant outil (180) ayant des projections (183) adaptées à venir en prise avec ladite au moins une ouverture d'entrée (153) pour porter ledit piège.
EP96936998.2A 1995-10-25 1996-10-25 Piege a odeurs pour conduits d'evacuation, a ecoulement horizontal, preservant l'huile d'etancheite Expired - Lifetime EP0857242B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE29624209U DE29624209U1 (de) 1995-10-25 1996-10-25 Öldichtungsmittel erhaltender Abflußgeruchsverschluß mit Horizontalströmung
EP01123582A EP1176261A1 (fr) 1995-10-25 1996-10-25 Piège à odeurs
DE29624315U DE29624315U1 (de) 1995-10-25 1996-10-25 Öldichtungsmittel erhaltender Abflußgeruchsverschluß mit Horizontalströmung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US54828195A 1995-10-25 1995-10-25
US548281 1995-10-25
PCT/US1996/017187 WO1997015735A1 (fr) 1995-10-25 1996-10-25 Piege a odeurs pour conduits d'evacuation, a ecoulement horizontal, preservant l'huile d'etancheite

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP01123582A Division EP1176261A1 (fr) 1995-10-25 1996-10-25 Piège à odeurs
EP01123582A Division-Into EP1176261A1 (fr) 1995-10-25 1996-10-25 Piège à odeurs

Publications (3)

Publication Number Publication Date
EP0857242A1 EP0857242A1 (fr) 1998-08-12
EP0857242B1 EP0857242B1 (fr) 2001-12-19
EP0857242B2 true EP0857242B2 (fr) 2016-07-13

Family

ID=24188147

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96936998.2A Expired - Lifetime EP0857242B2 (fr) 1995-10-25 1996-10-25 Piege a odeurs pour conduits d'evacuation, a ecoulement horizontal, preservant l'huile d'etancheite
EP01123582A Withdrawn EP1176261A1 (fr) 1995-10-25 1996-10-25 Piège à odeurs

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01123582A Withdrawn EP1176261A1 (fr) 1995-10-25 1996-10-25 Piège à odeurs

Country Status (19)

Country Link
EP (2) EP0857242B2 (fr)
JP (1) JP3515785B2 (fr)
CN (1) CN1141468C (fr)
AT (1) ATE211207T1 (fr)
AU (1) AU699494B2 (fr)
BR (1) BR9610879A (fr)
CA (1) CA2236005C (fr)
DE (3) DE29624209U1 (fr)
DK (2) DK0857242T3 (fr)
ES (1) ES2170281T3 (fr)
HK (1) HK1017038A1 (fr)
IL (1) IL124063A (fr)
MX (1) MX9803276A (fr)
MY (1) MY118779A (fr)
NO (1) NO981697L (fr)
NZ (1) NZ321439A (fr)
PL (1) PL182461B1 (fr)
PT (1) PT857242E (fr)
WO (1) WO1997015735A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2219923T3 (es) 1998-05-05 2004-12-01 Urimat Holding Ag Sifon para urinario.
EP1247910B1 (fr) 2001-04-06 2009-04-08 Geberit Technik Ag Siphon pour pour urinoir sans eau
WO2004015211A1 (fr) * 2002-08-13 2004-02-19 Uridan A/S Barriere anti-odeur pour urinoires sans eau
DE102005018753A1 (de) 2004-07-17 2006-02-16 Schröder, Ulrich Sanitäreinheit mit Urinal
MY157853A (en) * 2009-03-12 2016-07-29 Falcon Waterfree Technologies Anti-siphon trap with snorkel for a waterless urinal
WO2011040319A1 (fr) * 2009-09-29 2011-04-07 株式会社Inax Siphon d'urinoir
KR20120090983A (ko) * 2009-09-29 2012-08-17 가부시키가이샤 리쿠시루 소변기용 배수 트랩
JP5191465B2 (ja) * 2009-09-29 2013-05-08 株式会社Ｌｉｘｉｌ 小便器用排水トラップ
JP5700484B2 (ja) * 2009-09-29 2015-04-15 株式会社Ｌｉｘｉｌ 小便器用排水トラップ
CN101691528B (zh) * 2009-10-12 2011-04-20 沈阳化工学院 无水小便池密封液
AU2011207259A1 (en) * 2010-01-20 2012-08-02 Falcon Waterfree Technologies Dry trap valve for use in a non-flushing urinal and others drains
JP5586301B2 (ja) * 2010-03-31 2014-09-10 株式会社Ｌｉｘｉｌ 小便器用排水トラップ
DE102010033798B4 (de) 2010-08-09 2013-09-26 Öbg Ag Einsatz für einen Siphon; Wasserlose Sanitäranlage; Verfahren zur Reinigung und Wartung einer wasserlosen Sanitäranlage; Verfahren zum Betrieb einer wasserlosen Sanitäranlage
EP2481855A1 (fr) * 2011-01-26 2012-08-01 Chen-Chang Lin Ensemble de toilettes
JP5032695B1 (ja) * 2011-09-22 2012-09-26 大伍貿易株式会社 水の蒸気圧低下剤
DE102011117750A1 (de) 2011-11-05 2013-05-08 John Reese Urinale
CH705739B1 (de) * 2011-11-12 2016-01-29 Ariane Ben Salah Wasserloses Urinal mit einem Zwei-Kammer-Siphon.
CN103222825B (zh) * 2013-04-03 2015-07-01 大连民族学院 大小便分类处理系统
CN103215996A (zh) * 2013-04-03 2013-07-24 大连民族学院 新式油封结构
CN103211549A (zh) * 2013-04-03 2013-07-24 大连民族学院 无水小便器
CN111155614B (zh) * 2020-01-21 2021-02-19 四川旅发环保科技有限公司 一种便器冲洗方法
CN111155613B (zh) * 2020-01-21 2020-12-11 四川旅发环保科技有限公司 一种具有节油功能的油封便器
CN111255036B (zh) * 2020-01-21 2020-10-23 四川旅发环保科技有限公司 一种便器油封回收方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH10342A (de) † 1895-06-28 1896-01-31 F Ernst Geruchloser Pissoirabschluß
GB190928107A (en) † 1909-12-02 1910-07-28 John Hutton Improvements in Intercepting Traps for Drains.
FR1497878A (fr) † 1966-10-26 1967-10-13 Ernst F Ing Ag Siphon pour urinoir
DE2816597B1 (de) † 1978-04-17 1979-09-06 Ernst F Ing Ag Wegwerfsiphon fuer Pissoiranlagen
US5203369A (en) † 1992-10-15 1993-04-20 Hwang Jin Chyuan Sink-trap
DE4320980A1 (de) † 1992-07-21 1994-01-27 Awas Engineering Gmbh Anordnung zum Reinigen von Abwässern, insbesondere durch Abscheiden von Fetten und Ölen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US668776A (en) * 1900-05-31 1901-02-26 Edward Riley Plumber's trap.
CH141253A (de) * 1935-04-08 1930-07-31 Gebert A Sohn Siphon.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH10342A (de) † 1895-06-28 1896-01-31 F Ernst Geruchloser Pissoirabschluß
GB190928107A (en) † 1909-12-02 1910-07-28 John Hutton Improvements in Intercepting Traps for Drains.
FR1497878A (fr) † 1966-10-26 1967-10-13 Ernst F Ing Ag Siphon pour urinoir
DE2816597B1 (de) † 1978-04-17 1979-09-06 Ernst F Ing Ag Wegwerfsiphon fuer Pissoiranlagen
DE4320980A1 (de) † 1992-07-21 1994-01-27 Awas Engineering Gmbh Anordnung zum Reinigen von Abwässern, insbesondere durch Abscheiden von Fetten und Ölen
US5203369A (en) † 1992-10-15 1993-04-20 Hwang Jin Chyuan Sink-trap

Also Published As

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JPH11515068A (ja) 1999-12-21
NZ321439A (en) 1999-10-28
PT857242E (pt) 2002-06-28
EP0857242B1 (fr) 2001-12-19
ATE211207T1 (de) 2002-01-15
CA2236005A1 (fr) 1997-05-01
DE69618225T2 (de) 2002-06-13
AU7477296A (en) 1997-05-15
CN1200160A (zh) 1998-11-25
WO1997015735A1 (fr) 1997-05-01
ES2170281T3 (es) 2002-08-01
BR9610879A (pt) 1999-12-21
JP3515785B2 (ja) 2004-04-05
PL326383A1 (en) 1998-09-14
DE29624315U1 (de) 2002-02-21
MX9803276A (es) 1998-11-30
NO981697L (no) 1998-06-22
PL182461B1 (pl) 2002-01-31
CN1141468C (zh) 2004-03-10
MY118779A (en) 2005-01-31
EP0857242A1 (fr) 1998-08-12
DE69618225D1 (de) 2002-01-31
DK199900216U3 (da) 1999-10-22
NO981697D0 (no) 1998-04-16
HK1017038A1 (en) 1999-11-12
IL124063A (en) 2001-07-24
EP1176261A1 (fr) 2002-01-30
AU699494B2 (en) 1998-12-03
CA2236005C (fr) 2002-01-08
DK0857242T3 (da) 2002-01-14
DE29624209U1 (de) 2001-03-15

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