EP3962867A4 - Water softening device - Google Patents
Water softening device Download PDFInfo
- Publication number
- EP3962867A4 EP3962867A4 EP20929889.2A EP20929889A EP3962867A4 EP 3962867 A4 EP3962867 A4 EP 3962867A4 EP 20929889 A EP20929889 A EP 20929889A EP 3962867 A4 EP3962867 A4 EP 3962867A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- water softening
- softening device
- water
- softening
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/022—Column or bed processes characterised by the construction of the column or container
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4229—Water softening arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/006—Cartridges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/12—Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2020/083801 WO2021203313A1 (en) | 2020-04-08 | 2020-04-08 | Water softening device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3962867A1 EP3962867A1 (en) | 2022-03-09 |
EP3962867A4 true EP3962867A4 (en) | 2022-12-28 |
Family
ID=74427508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20929889.2A Pending EP3962867A4 (en) | 2020-04-08 | 2020-04-08 | Water softening device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3962867A4 (en) |
CN (1) | CN112351955B (en) |
WO (1) | WO2021203313A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3831754A (en) * | 1971-08-16 | 1974-08-27 | Morton Norwich Products Inc | Fluid treating apparatus |
EP1136447A1 (en) * | 2000-03-08 | 2001-09-26 | Barnstead Thermolyne Corporation | Water purifying apparatus and method for purifying water |
WO2004101443A1 (en) * | 2003-05-19 | 2004-11-25 | Biechele Guenter | Device for softening water |
JP2009131768A (en) * | 2007-11-29 | 2009-06-18 | Inax Corp | Water purifying and softening device |
EP2272801A2 (en) * | 2009-06-25 | 2011-01-12 | Aquis Wasser-Luft-Systeme GmbH Lindau, Zweigniederlassung Rebstein | Water filter with hardness reducer and remaining hardness stabiliser |
WO2014004607A1 (en) * | 2012-06-29 | 2014-01-03 | 3M Innovative Properties Company | Media cartridge with adjustable bypass |
US20140144822A1 (en) * | 2012-11-26 | 2014-05-29 | Whirlpool Corporation | Filter unit with flow regulator |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2043414C2 (en) * | 1970-09-02 | 1982-06-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Water softener for washing or dishwashing machine - has standard salt regenerating vessel connected by non-return valve to ion exchange vessel near water inlet |
JP2006263718A (en) * | 2005-02-23 | 2006-10-05 | Kuritakku Kk | Water-quality regulating device |
EP1739060B1 (en) * | 2005-06-29 | 2010-07-28 | Nestec S.A. | Water treatment system |
US10495230B1 (en) * | 2014-04-30 | 2019-12-03 | Chandler Systems, Inc. | Piston valve with annular passages |
CN205222750U (en) * | 2015-10-17 | 2016-05-11 | 中山市富迪电器有限公司 | Demineralizer of circulated use |
CN205222751U (en) * | 2015-10-17 | 2016-05-11 | 中山市富迪电器有限公司 | A demineralizer for dish washer |
EA039271B1 (en) * | 2016-04-22 | 2021-12-27 | Пьюэр Дрэгон Энвайронментал Лтд. | Device and method for removal of pollutants from gas streams |
CN107162223B (en) * | 2017-05-17 | 2020-01-14 | 成都百联油田技术服务有限公司 | Descaling method |
CN207785099U (en) * | 2017-06-16 | 2018-08-31 | 宁波国普电器有限公司 | A kind of breathing softening component of dish-washing machine |
CN207347259U (en) * | 2017-08-30 | 2018-05-11 | 浙江三花智能控制股份有限公司 | Dish-washing machine and the water demineralizer for dish-washing machine |
WO2019205522A1 (en) * | 2018-04-28 | 2019-10-31 | 芜湖美的厨卫电器制造有限公司 | Water softener valve and water softener |
WO2019205524A1 (en) * | 2018-04-28 | 2019-10-31 | 佛山市美的清湖净水设备有限公司 | Water softener |
CN210048552U (en) * | 2019-04-23 | 2020-02-11 | 艾欧史密斯(中国)热水器有限公司 | Water distribution device and water softening device |
-
2020
- 2020-04-08 WO PCT/CN2020/083801 patent/WO2021203313A1/en unknown
- 2020-04-08 CN CN202080001415.4A patent/CN112351955B/en active Active
- 2020-04-08 EP EP20929889.2A patent/EP3962867A4/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3831754A (en) * | 1971-08-16 | 1974-08-27 | Morton Norwich Products Inc | Fluid treating apparatus |
EP1136447A1 (en) * | 2000-03-08 | 2001-09-26 | Barnstead Thermolyne Corporation | Water purifying apparatus and method for purifying water |
WO2004101443A1 (en) * | 2003-05-19 | 2004-11-25 | Biechele Guenter | Device for softening water |
JP2009131768A (en) * | 2007-11-29 | 2009-06-18 | Inax Corp | Water purifying and softening device |
EP2272801A2 (en) * | 2009-06-25 | 2011-01-12 | Aquis Wasser-Luft-Systeme GmbH Lindau, Zweigniederlassung Rebstein | Water filter with hardness reducer and remaining hardness stabiliser |
WO2014004607A1 (en) * | 2012-06-29 | 2014-01-03 | 3M Innovative Properties Company | Media cartridge with adjustable bypass |
US20140144822A1 (en) * | 2012-11-26 | 2014-05-29 | Whirlpool Corporation | Filter unit with flow regulator |
Non-Patent Citations (1)
Title |
---|
See also references of WO2021203313A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3962867A1 (en) | 2022-03-09 |
CN112351955B (en) | 2024-05-14 |
WO2021203313A1 (en) | 2021-10-14 |
CN112351955A (en) | 2021-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20211203 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20221128 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: A47L 15/42 20060101ALI20221122BHEP Ipc: B01J 47/022 20170101ALI20221122BHEP Ipc: C02F 1/00 20060101ALI20221122BHEP Ipc: C02F 1/42 20060101AFI20221122BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |