[특허]Septic system filter assembly, filter arrangement and method of using

[미국특허] Septic system filter assembly, filter arrangement and method of using 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-029/23
출원번호	US-0495004 (1995-06-27)
발명자 / 주소	Daniels Byron Charles (R.D. #1 - Box 269-2 Effort PA 18330)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

A filtering arrangement is provided for effluent from a septic tank prior to passage to a drain field or other disposal. The filtering arrangement makes use of an open-top, U-shaped filter means into which the septic effluent is conducted from the top, preferably through a T-fitting providing an open-topped channel leading into the U-shaped filter. The filter may be formed of an outer perforated casing and an inner lining of an open-cell-type polymeric material which effects the filtering of the effluent. The U-shaped filter is preferably suspended from the T-fitting. A preferred filter includes an inner and outer casing with a fibrous filter material between. The filter also preferably has an imperforate lower portion to retain a permanent body of liquid in the bottom of the filter. The arrangement provides fail-safe filtering automatically adjustable for varying flow rates and conditions of the filter. The polymeric filter medium is changed periodically to maintain efficiency.

대표청구항 ▼

A method of filtering septic effluent comprising: (a) providing a substantially U-shaped filter means having an open upper portion and a closed cup-shaped lower portion with a central perforated double casing retaining a polymeric filter medium between inner and outer casing sections, (b) positioning said U-shaped filter means in a filtering chamber in a position under an overflow discharge from a septic tank such that septic effluent falls through the open upper portion of the U-shaped filter, (c) allowing a body of effluent to build up in the cup-shaped lower portion of the filter means to a minimum predetermined depth and maintaining such body of effluent in the lower portion whereby the force of descending effluent is cushioned and excessive drying of the filter is avoided during periods of low septic overflow, and (d) allowing the depth of the septic effluent to increase during periods of high septic overflow and filter through the polymeric filter medium at the level of the perforations in the casing, and flow over the top of the polymeric filter medium when septic overflow is greater than the filtering capacity to prevent blockage of the filter.

이 특허를 인용한 특허 (31) 인용/피인용 타임라인 분석

Donald,Hubbard H.; Johnson,George E., Aerobic treatment plant with filter pipe.
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Koteskey, Gary L., Bristled septic filter.
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Weidmann, Lawrence W., Detention pond water quality apparatus and system.
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Shikamori, Tamotsu; Lee, Dong Beom; Kim, Jong Seog, Drain system of drum-type washing machine.
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Koteskey Gary L., Effluent filtering apparatus.
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Koteskey,Gary L., Flow-through filter cartridge.
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Michael H. Houck ; Thomas K. Weaver, In-line filtration system for treatment of septic tank effluent.
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Yamagata,Yutaka; Ozaki,Tsunehiko; Morozov,Victor; Inoue,Kozo, Liquid treating equipment including a storage vessel and a discharge vessel.
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Joseph Gordon Monteith CA, Method and apparatus for handling water at low and high feed rates.
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Frink, Norman, Method and apparatus for removing debris from septic waste.
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Fife, Jerome Jay; Wickham, Daniel Edmund, Method for recovering a disposal trench with a biomat slime, and method for operating a waste treatment vessel.
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Nivens ; Jr. Kirk N., On site waste water recycling system.
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Byrne Thomas, Packaged aeration and filtration system.
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Hall Thomas F.,CAX ITX V3Y 2J5, Plastic contact bacteria starter for septic tanks.
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McIntyre, Roy Harrison, Process water lift station apparatus.
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Perry, Jr., Carlos V., Recirculating filter.
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Perry, Jr.,Carlos V., Recirculating filter.
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Ball, Eric S, Secondary filtering and discharging of wastewater.
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Thibault Ronald M., Septic waste treatment system.
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Lambert, V, Jordan W.; Lenhart, Jr., James H.; Aberle, Daniel W., Stormwater filter and mount assembly.
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Stever, R. Russell; Phelps, Stephen C., Stormwater treatment apparatus and method.
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Natalizia, Mark L., Synthetic material filter.
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Limcaco, Christopher A., System and method for biological wastewater treatment and for using the byproduct thereof.
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Limcaco, Christopher A., System and method for biological wastewater treatment and for using the byproduct thereof.
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Terry, III,Theophilus B., System and method for treating wastewater using coir filter.
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Houck Michael H. ; Weaver Thomas K., System for filtration of septic tank sewage effluent.
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Nurse, Jr., Harry L.; Terry, III, Theophilus B., System for treating wastewater.
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Juhere, Yannick; Dautais, Jean-Pierre, Tank with a tilting bucket.
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Kim, Juen S., Toilet water recycling system.
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Graves, Jan D., Wastewater management system.
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Weidmann, Lawrence W., Water quality outlet filter.
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IPC	Description
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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[미국특허] Septic system filter assembly, filter arrangement and method of using 원문보기