[특허]Pressure relief circuit for refrigerator contained water filter

Pressure relief circuit for refrigerator contained water filter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-023/12 B67D-005/62 B01D-017/12
출원번호	US-0740262 (1996-10-25)
발명자 / 주소	Coates Donald A. Morris Kenneth E.
출원인 / 주소	White Consolidated Industries, Inc.
대리인 / 주소	Pearne, Gordon, McCoy and Granger LLP
인용정보	피인용 횟수 : 49 인용 특허 : 0

초록 ▼

A refrigerator having a water filtration and dispensing system including a first control valve for unfiltered water, a household water supply line for fluidly connecting the first control valve to a source of household water, a water filter assembly disposed within a refrigeration compartment, an unfiltered water supply line fluidly connecting the first control valve to the water filter assembly, a second control valve having first and second outlets, a filtered water supply line fluidly connecting the filter assembly to the second control valve, a filtered water dispenser fluidly connected to the first outlet of second control valve, and an ice maker disposed within a freezer compartment and fluidly connected to the second outlet of the second control valve. The system also includes a water dispenser switch for opening the first and second control valves to permit unfiltered water to flow into the water filter assembly and to permit filtered water to flow out of the water dispenser, and an ice maker switch connected for opening the first and second control valves to permit unfiltered water to flow into the water filter assembly and to permit filtered water to flow into the ice maker. A pressure-relief switch connects the water dispenser switch and the first control valve so that the first control valve can be selectively disconnected. With the first control valve disconnected, the water dispenser switch only opens the second control valve to thereby prevent unfiltered water from flowing into the water filter assembly and permit filtered water to flow out of the water dispenser. The system is thereby relieved or bled of water pressure prior to replacing the filter cartridge.

대표청구항 ▼

[ What is claimed is:] [18.] A refrigerator comprising:a cabinet having a plurality of insulated walls;a refrigerator door pivotally mounted to said cabinet and cooperating to form a refrigeration compartment;a freezer door pivotally mounted to said cabinet and cooperating to form a freezer compartment; anda filtration and dispensing system including, a first control valve for unfiltered water, a first water supply line for fluidly connecting said first control valve to a source of household water, a water filter assembly disposed within said refrigeration compartment and having an inlet and an outlet, a second water supply line fluidly connecting said first control valve to said inlet of said water filter assembly, a second control valve having an inlet and first and second outlets, a third water supply line fluidly connecting said outlet of said water filter assembly to said inlet of said second control valve, a filtered water dispenser fluidly connected to said first outlet of second control valve, an ice maker disposed within said freezer compartment and fluidly connected to said second outlet of said second control valve, a water dispenser switch connected to said first and second control valves, an ice maker switch connected to said first and second control valves for opening said first control valve and said second outlet of said second control valve to permit unfiltered water to flow into said water filter assembly and to permit filtered water to flow into said ice maker, and a pressure-relief switch connecting said water dispenser switch and said first control valve and having closed and open positions, whereby actuation of said water dispenser switch opens said first and second control valves when said pressure-relief switch is in said closed position to permit unfiltered water to flow into said water filter assembly and to permit filtered water to flow out of said water dispenser, and whereby actuation of said water dispenser switch opens said second control valve but not said first control valve when said pressure-relief switch is in said open position to prevent unfiltered water from flowing into said water filter assembly and permit filtered water to flow out of said water dispenser.

이 특허를 인용한 특허 (49)

Adamski, Joseph R.; Colsch, Jason; Coulter, Tim L.; Goetz, Glenn E.; Herndon, Steven G.; Kniffen, Todd E.; Koons, Bill J.; Montuoro, Lou; Tenhundfeld, John H.; Thalacker, David; Vladika, Brett, Apparatus and method for dispensing ice from a bottom mount refrigerator.
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Senninger, Mark M; Hortin, Gregory G; Myers, Verne H; Peters, Joseph R; Cur, Nihat, Filter unit with flow regulator.
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Anselmino, Jeffery J.; Cur, Nihat; Fischer, Marcus R.; Kulkarni, Tushar; Leclear, Douglas D.; Maglinger, Frank W.; Pastryk, Jim J.; Tenbarge, Andrew M., Ice making and dispensing system.
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Anselmino, Jeffery J.; Cur, Nihat; Fischer, Marcus R.; Kulkarni, Tushar; LeClear, Douglas D.; Maglinger, Frank W.; Pastryk, Jim J.; Tenbarge, Andrew M., In the door ice maker.
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Anselmino, Jeffrey J.; Cur, Nihat O.; Fischer, Marcus R.; Kulkarni, T. V.; Leclear, Douglas D.; Maglinger, Frank W.; Pastryk, Jim J., In the door ice maker.
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Wetekamp, Robert L.; Van Meter, Kyle B.; Tarrant, Alan G.; Schuchart, Ryan D.; Oliveira, Mauro M.; Miller, Alvin V.; Koppenhaver, Brent A.; Franken, Carl J.; Ferragut, II, Nelson J.; Coulter, Tim L.; Berardi, Greg; Anell, Thomas Carl, Method and apparatus for controlling temperature in a refrigerator.
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Campbell,Jeffrey M.; Niermeyer,J. Karl, Method and system for purging a dispensed fluid within a fluid dispensing system including a filter-free connector apparatus.
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Kim, Ill-Shin; Yu, Seon-Il; Seok, Kun-Jun; Kwon, Yong-Chol, Refrigerator.
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Kim, Ill-Shin; Yu, Seon-Il; Seok, Kun-Jun; Kwon, Yong-Chol, Refrigerator.
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Kwon, Yong-Chol, Refrigerator door having dispenser.
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Kwon, Yong-Chol, Refrigerator door having dispenser.
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Martin, Dean A.; Rotter, Chad J., Refrigerator ice compartment latch and cover.
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Olive, Bentley J.; Olive, LeAnne C., Refrigerator water supply systems.
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Olive,Bentley J.; Olive,LeAnne C., Refrigerator water supply systems.
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Schuchart, Ryan D.; Ott, Lester J., Refrigerator with internal water dispenser.
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Michael DuHack, Water delivery system for refrigerator.
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Pressure relief circuit for refrigerator contained water filter 원문보기

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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Pressure relief circuit for refrigerator contained water filter 원문보기

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