Method and apparatus for cleaning and disinfecting a toilet system in a transport vehicle such as a passenger aircraft
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47K-013/30
A47K-013/00
출원번호
US-0741985
(2003-12-19)
우선권정보
DE-102 59 997(2002-12-20)
발명자
/ 주소
Hoehne,Joachim
Heinrich,Hans Juergen
출원인 / 주소
Airbus Deutschland GmbH
인용정보
피인용 횟수 :
2인용 특허 :
7
초록▼
Water, preferably fresh potable water, is electrochemically, e.g. electrolytically, treated to achieve disinfectant properties. The electrochemically treated water is sprayed onto the toilet seat and directed into the toilet bowl for each flush cycle of an aircraft toilet system, so as to clean and
Water, preferably fresh potable water, is electrochemically, e.g. electrolytically, treated to achieve disinfectant properties. The electrochemically treated water is sprayed onto the toilet seat and directed into the toilet bowl for each flush cycle of an aircraft toilet system, so as to clean and disinfect the toilet seat and the toilet bowl. The electrochemically treated water has a direct germ-killing effect on the seat and bowl, and also disinfects the arising wastewater that is conveyed to and stored in a storage tank. For flushing the toilet bowl, the electrochemically treated water may further be mixed with reused graywater, which is thereby disinfected.
대표청구항▼
What is claimed is: 1. A toilet system comprising: a toilet bowl; a toilet seat arranged over said toilet bowl and adapted to have a person sit thereon to use said toilet bowl; a water supply adapted to supply input water; an electrochemical water treatment device connected to said water supply to
What is claimed is: 1. A toilet system comprising: a toilet bowl; a toilet seat arranged over said toilet bowl and adapted to have a person sit thereon to use said toilet bowl; a water supply adapted to supply input water; an electrochemical water treatment device connected to said water supply to receive said input water, and adapted to treat said input water to produce electrochemically treated water at an outlet of said device; a water distribution arrangement that is connected to said outlet of said electrochemical water treatment device so as to receive said electrochemically treated water, and that has at least one outlet orifice arranged proximate to said toilet seat and oriented toward said toilet seat and adapted to direct said electrochemically treated water onto said toilet seat; a flush water distributor provided in said toilet bowl and a liquid communication path connecting said outlet of said electrochemical water treatment device to said flush water distributor, wherein said liquid communication path includes a bowl flushing shut-off and dosing valve; and a seat cleaning shut-off and dosing valve interposed between said outlet of said electrochemical water treatment device and said water distribution arrangement. 2. The toilet system according to claim 1, wherein said water supply is a fresh potable water supply and said input water is fresh potable water. 3. The toilet system according to claim 1, wherein said outlet of said electrochemical water treatment device is connected directly to said water distribution arrangement by one or more of pipes, junctions and valves including said seat cleaning shut-off and dosing valve, to be adapted to supply said electrochemically treated water undiluted to said at least one outlet orifice. 4. The toilet system according to claim 1, further comprising a bypass dilution line connected between said water supply and said water distribution arrangement parallel to and bypassing said electrochemical water treatment device, so as to be adapted to mix a proportion of said input water with said electrochemically treated water to be supplied to said water distribution arrangement. 5. The toilet system according to claim 1, wherein said liquid communication path consists of one or more of pipes, junctions and valves including said bowl flushing shut-off and dosing valve, to provide a direct connection from said outlet of said electrochemical water treatment device to said flush water distributor so as to be adapted to supply said electrochemically treated water undiluted and unadulterated to said flush water distributor. 6. The toilet system according to claim 1, wherein said liquid communication path further comprises a graywater intermediate storage tank interposed between said outlet of said electrochemical water treatment device and said flush water distributor. 7. The toilet system according to claim 6, further comprising a graywater supply that is adapted to supply graywater and that is connected to said graywater intermediate storage tank. 8. The toilet system according to claim 7, wherein said liquid communication path further comprises a shut-off device interposed between said graywater intermediate storage tank and said flush water distributor. 9. The toilet system according to claim 1, wherein said system further comprises a control and shut-off valve interposed downstream from said outlet of said electrochemical water treatment device and upstream from both said bowl flushing shut-off and dosing valve and said seat cleaning shut-off and dosing valve. 10. The toilet system according to claim 1, further comprising a wastewater storage tank, and a waste pipe and an interposed waste valve connecting said wastewater storage tank to a waste outlet of said toilet bowl. 11. The toilet system according to claim 1, wherein said electrochemical water treatment device comprises an electrolytic cell adapted to carry out an electrolytic fission process on said input water to produce said electrochemically treated water. 12. The toilet system according to claim 11, wherein said electrochemical water treatment device further comprises a salination device adapted to introduce a salt into said input water. 13. In an aircraft having a toilet system including a toilet bowl with a bowl outlet, a wastewater storage tank connected to said bowl outlet, a flush water distributor in said toilet bowl, and a water supply connected to said flush water distributor, the improvement comprising: an electrochemical water treatment device including an electrolytic cell interposed between said water supply and said flush water distributor with an inlet of said device connected to said water supply and with an outlet of said device connected to said flush water distributor, a seat cleaning water distribution arrangement that is connected to said outlet of said electrochemical water treatment device and that has at least one outlet orifice arranged proximate to and oriented toward said toilet seat, a bowl flushing shut-off and dosing valve interposed between said outlet of said electrochemical water treatment device and said flush water distributor, and a seat cleaning shut-off and dosing valve interposed between said outlet of said electrochemical water treatment device and said seat cleaning water distribution arrangement. 14. The improvement in the aircraft according to claim 13, wherein said electrochemical water treatment device is adapted to produce electrochemically treated water at said outlet of said device, and said outlet of said device is connected directly through one or more of pipes, pipe junctions, and valves including said bowl flushing shut-off and dosing valve and said seat cleaning shut-off and dosing valve to said flush water distributor and to said seat cleaning water distribution arrangement so as to be adapted to provide said electrochemically treated water undiluted and unadulterated to said flush water distributor and to said seat cleaning water distribution arrangement. 15. The improvement in the aircraft according to claim 13, wherein said water supply is a fresh potable water supply, and said electrochemical water treatment device is adapted to produce electrochemically treated water at said outlet of said device, further comprising a graywater intermediate storage tank interposed between said outlet of said device and said flush water distributor, and a graywater supply that is connected to said graywater intermediate storage tank and that is adapted to supply graywater into said graywater intermediate storage tank, and wherein said graywater intermediate storage tank is adapted to receive and mix together a first portion of said electrochemically treated water and a second portion of said graywater to produce treated graywater, and to supply said treated graywater to said flush water distributor. 16. A method of cleaning and disinfecting the toilet system according to claim 1, said method comprising the steps: a) supplying said input water from said water supply; b) electrochemically treating said input water with an electrochemical treatment process in said electrochemical water treatment device to produce said electrochemically treated water that contains products which arise from said treatment process and which have a disinfectant effect; c) directing a seat cleaning liquid containing a first portion of said electrochemically treated water through said outlet orifice at said toilet seat so as to clean and disinfect said toilet seat; and d) directing a bowl flushing liquid containing a second portion of said electrochemically treated water through said flush water distributor into said toilet bowl so as to flush, clean and disinfect said toilet bowl. 17. The method according to claim 16, wherein said seat cleaning liquid does not contain any detergent and does not contain any added disinfectant chemical. 18. The method according to claim 16, wherein said bowl flushing liquid does not contain any detergent and does not contain any added disinfectant chemical. 19. The method according to claim 16, wherein said input water is fresh potable water. 20. The method according to claim 16, wherein said seat cleaning liquid consists of said electrochemically treated water undiluted and unadulterated, and said flushing liquid consists of said electrochemically treated water undiluted and unadulterated. 21. The method according to claim 16, further comprising mixing and diluting said first portion of said electrochemically treated water with an additional amount of said input water to prepare said seat cleaning liquid. 22. The method according to claim 16, further comprising mixing and diluting said second portion of said electrochemically treated water with an additional amount of graywater to prepare treated graywater as said bowl flushing liquid. 23. The method according to claim 16, wherein said electrochemical treatment process is a fission electrolysis process. 24. The method according to claim 23, wherein said process comprises providing said input water with an electrical conductivity of at least 600 μS to a gap between an electrically conductive anode and an electrically conductive cathode, and energizing said anode and said cathode by connecting said anode to a positive pole and said cathode to a negative pole of a direct current source. 25. The toilet system according to claim 1, wherein said outlet orifice of said water distribution arrangement is positioned and oriented so as to be adapted to spray said electrochemically treated water onto said toilet seat in a use-position of said toilet seat in which said toilet seat is adapted to have the person sit on said toilet seat to use said toilet bowl for urination or defecation therein. 26. The toilet system according to claim 1, wherein said toilet seat is positioned and adapted so that said electrochemically treated water that is directed onto said toilet seat from said at least one outlet orifice will drain from said toilet seat directly into said toilet bowl.
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이 특허에 인용된 특허 (7)
McIntosh Todd (1400 Havenhurst Dr. Brea CA 92621), Gray-water reclamation and reuse system.
Kono Shuhei,JPX ; Shono Nobuhiro,JPX ; Tabata Kenji,JPX ; Kiyohara Masakatsu,JPX ; Hayakawa Makoto,JPX ; Kanno Mitsuyoshi,JPX ; Kanekuni Nobuhiko,JPX, Method of and system for cleansing a toilet or urinal.
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