[특허]System for detecting a liquid and a water filter assembly

System for detecting a liquid and a water filter assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-035/143 G06K-007/10 C02F-001/00 F25D-023/12
출원번호	US-0249769 (2014-04-10)
등록번호	US-10173904 (2019-01-08)
발명자 / 주소	Chernov, Gregory Sergeevich Krause, Andrew Reinhard
출원인 / 주소	Haier US Appliance Solutions, Inc.
대리인 / 주소	Dority & Manning, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 36

초록 ▼

A system for detecting a liquid, such as liquid water, is provided. The system includes an RFID tag spaced apart from a liquid collection location. The system also includes features for wicking or otherwise transferring liquid from the liquid collection location to the RFID tag. A water filter assem

대표청구항 ▼

1. A water filter assembly for filtering a liquid, comprising: a filter cartridge with a filter medium disposed therein, the filter cartridge having an outer surface, the filter medium for removing contaminants from the liquid;a radio frequency identification, RFID, tag positioned at the outer surface of the filter cartridge, wherein the RFID tag is configured to detect liquid leaking;an absorbent material positioned at the outer surface of the filter cartridge, the absorbent material extending longitudinally between a first end portion and a second end portion, the first end portion of the absorbent material positioned at a liquid collection location, the second end portion of the absorbent material positioned over the RFID tag, the second end portion of the absorbent material and the RFID tag spaced apart from the liquid collection location on the outer surface of the filter cartridge; anda water impermeable material positioned over the RFID tag and the absorbent material on the outer surface of the filter cartridge, the water impermeable material mounted to the other surface of the filter cartridge such that the water impermeable material overlays the RFID tag and the absorbent material on the outer surface of the filter cartridge and such that the RFID tag and the absorbent material are encased between the water impermeable material and the outer surface of the filter cartridge, the water impermeable material defining a passage extending through the water impermeable material between the liquid collection location and the absorbent material such that the liquid collection location is in fluid communication with the absorbent material at the first end portion of the absorbent material, the first end portion of the absorbent material being positioned at the passage of the water impermeable material,wherein the water impermeable material covers the absorbent material on the outer surface of the filter cartridge between the first and second end portions of the absorbent material, the absorbent material is configured for wicking liquid leaking beneath the water impermeable material from the passage of the water impermeable material at the first end portion of the absorbent material to the second end portion of the absorbent material and the RFID tag, andwherein the water impermeable material prevents the absorbent material from absorbing liquid leaking from the filter cartridge at locations other than the passage of the water impermeable material. 2. The water filter assembly of claim 1, wherein the absorbent material comprises cellulose foam, paper or synthetic foam. 3. The water filter assembly of claim 1, wherein the water impermeable material comprises a plastic film. 4. The water filter assembly of claim 3, wherein the water impermeable material further comprises an adhesive mounting the plastic film to the filter cartridge at the outer surface of the filter cartridge. 5. The water filter assembly of claim 1, wherein the water impermeable material further defines a vent opening, the vent opening positioned over the second end portion of the absorbent material and the RFID tag. 6. The water filter assembly of claim 1, wherein the second end portion of the absorbent material is positioned above the first end portion of the absorbent material. 7. The water filter assembly of claim 1, wherein the RFID tag is inoperable or signal communication between the RFID tag and an RFID reader is diminished if liquid is disposed within the absorbent material at the second end portion of the absorbent material. 8. The water filter assembly of claim 1, wherein the water impermeable material comprises a plastic film adhered to the outer surface of the filter cartridge and the absorbent material comprises an electrolyte doped paper, the water impermeable material preventing the absorbent material from absorbing the liquid from locations other than the liquid collection location.

이 특허에 인용된 특허 (36)

Hsueh Kesyin (Kobe JPX) Rezai Ebrahim (Kobe JPX) Tai Yung-Wei (Kobe JPX), Absorbent composites comprising a porous macrostructure of absorbent gelling particles and a substrate.
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Krause, Andrew; Janardhanam, Ramesh; Root, Steven; Hamad, Abdel, Apparatus and method for identifying a filter assembly.
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Hewitt, John K.; Cina, Ronald Andrew; Cina, Ronald August, Apparatus and method for protection against appliance leaking.
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Den Dekker,Dirk Jan Marinus, Assembly of filtering apparatus and replaceable filter; and filtering apparatus and filter for use therein.
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Maxwell Martin C., Cartridge filter with integrated threading having anti-rotation feature.
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Murray Jerome L. (652 First Ave. New York NY 10016) Gardiner Francis R. (43 Park Road Sparta NJ 07871), Constrained catamenial device employing adhesive coating.
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Boldt ; Jr. Norton K. (El Toro CA) Johnson Kaj A. (Livermore CA), Electronic monitoring unit for monitoring number of uses of cartridge.
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Lin, Ching Shiung, Filter assembly with RFID.
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Hawkins, Charles; Bagci, Ismail; Jiang, Zemin, Filter cartridge with concentric circuit rings for data transmission.
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Ozkahyaoglu Aysegul (Reed City MI) Zoerner Marty M. (Reed City MI), Filter condition indicator having moveable sensor and aggregate flow counter.
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Beyne Patrick (Suresne FRX) Seon Georges (Saint-Witz FRX), Filter identification device.
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Niers, Louis Antonius Hubertus Maria; Eichelsheim, Alexander Victor, Filtering device with cylindrical filtering element, identification label and receiver.
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Ikeyama, Norio; Wilf, Mark, Filtration devices with embedded radio frequency identification (RFID) tags.
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Ikeyama,Norio; Wilf,Mark, Filtration devices with embedded radio frequency identification (RFID) tags.
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Ben-Mansour, Rached; Mezghani, Khaled, Leak detection band.
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Clack Robert A. ; Hemp Melvin R. ; Clack Richard E. ; McPherson W. Roger, Liquid filtration system and replaceable filter cartridge usable therewith.
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Gibbs, Dennis Charles Parkins, Liquid leak detector.
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Bisconte Jean-Claude (Briis-sous-Forges FRX), Method and apparatus for filtering a plurality of samples through a filter with indexing of the filter.
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Eimer Klaus,DEX, Method and device for cost-orientated operation of a conditioning device particularly a filter.
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Friedman, Mark B.; Casciola, Randall W., Patient positioning monitoring apparatus and method of use thereof.
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Beach Donald W. (Cookeville TN) Holzhausen Udo E. (Cookeville TN) Feldhaus Lawrence B. (Hendersonville TN) Matheson Charles L. (Cookeville TN) Newton Monroe L. (Cookeville TN) Robbins Steve F. (Cooke, Plastic filter.
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Boarman, Patrick J.; Aust, Daniel John, Refrigerator dispenser assembly including a water conditioning cartridge.
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Coates Donald A. ; Russell Robert C. ; Morris Kenneth E. ; Sparks Walton E. ; Gunderson Rickie L., Refrigerator water filter.
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Sklenak John S. (Sudbury MA) Aisenberg Sol (Natick MA) Martel Thomas J. (Peabody MA), Refrigerator water filter.
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Baird, Michael T., Refrigerator water filter cartridge with leakage indicator.
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Wilberscheid, Daniel J.; Brackett, Robert R., Replaceable-cartridge filter with data transmission feature.
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Ebrom, Matthew P.; McCoy, Richard A.; Richmond, Peter J.; Voglewede, Ronald L., Smart filter for an appliance.
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Shikinami Yasuo (Osaka JPX) Hata Kunihiro (Osaka JPX) Ohmura Yutaka (Osaka JPX), Sticking agent of ionic-conductive polymer.
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Thorstensson, Robert, System and method for associating an absorbent article with a user.
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Astle, Robert E.; Patel, Hemang; Patel, Mahesh Z.; Holler, Thomas; Fritze, Karl, System for monitoring the performance of fluid treatment cartridges.
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Yoon, Chul Min, Water filter assembly and refrigerator and water purifier having the same.
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Fritze,Karl, Water filter assembly for use in an appliance.
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Kurt C. Senner ; Robert L. Wetekamp, Water filter cartridge replacement system for a refrigerator.
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An, Jae Koog; Park, Sang Min; Park, Young Gwi; Kim, Jong Yeob, Water filter device and refrigerator having the same.
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Cur, Nihat O.; Murphy, Timothy T.; Kahwaji, Michael A.; Allard, Paul B.; Wu, Guolian; Amaral, Claiton E.; Heinzle, Marcos, Water filter for refrigerator water dispenser.
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Senner Kurt Charles, Water filtering system with replaceable cartridge for a refrigerator.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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System for detecting a liquid and a water filter assembly 원문보기

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