[특허]System for filtering liquids in a catch basin using filters in series and overflow channels

System for filtering liquids in a catch basin using filters in series and overflow channels 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E03F-001/00 B01D-029/56
출원번호	US-0786779 (1991-11-01)
발명자 / 주소	MacPherson Jr. John W. (Snohomish WA) O\Neal Brian L. (Bothell WA)
출원인 / 주소	Emcon Northwest, Inc. (Bothell WA 02)
인용정보	피인용 횟수 : 67 인용 특허 : 0

초록 ▼

Apparatus, methods and media for filtering liquids are especially suited for insertion into an existing storm water catch basin. The filtration that occurs reduces concentration of storn water runoff pollutants including heavy metals, suspended solids, particles and oil and grease. While being able to handle the high flow rates of storm water runoff, the filters also remove small particles and oil and grease the filters are arranged such that overflow from uppermost filters, as they become clogged, is directed by overflow weirs to change direction to allow filtration by lower filters. Storm water surges during peak intensity are permitted to over flow directly into a catch basin to prevent ponding. The invention can also be used above ground to treat pumped liquid from industrial and environmental sources.

대표청구항 ▼

The method of filtering liquid flowing through a grate into a catch basin having an inner peripheral wall, comprising the steps of: A. suspending in said catch basin below said grate an uppermost filter that spans and closes said inner peripheral wall so as to catch essentially all liquid flowing through said grate; B. terminating an end of said uppermost filter short of a first segment of said peripheral wall so as to define a liquid flow channel between said end and said first segment of said peripheral wall; C. locating an overflow weir extending vertically above said end of said uppermost filter at one side of said first liquid flow channel; D. suspending in said catch basin below said uppermost filter an intermediate filter that spans and closes said peripheral wall so as to catch and filter all liquid flowing over said weir of said uppermost filter and essentially all liquid flowing through said uppermost filter; E. terminating an end of said intermediate filter short of a second segment of said peripheral wall located beneath said uppermost filter so as to define a continuation of said liquid flow channel between said end of said intermediate filter and said second segment of said peripheral wall that is beneath said uppermost filter and offset horizontally from that part of said channel defined by said end of said uppermost filter; F. locating a weir at said end of said intermediate filter at one side of said continuation of said liquid flow channel beneath said uppermost filter so that liquid flowing over said weir on said uppermost filter must change directions before such liquid can flow over said weir on said intermediate filter; and G. flowing all of the liquid flowing through said grate through a final filter located below said intermediate filter.

이 특허를 인용한 특허 (67)

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Chinn, Andrew W.; Strawser, Sr., Daniel M.; Chinn, Geralde M., Environmental filter.
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Aberle,Daniel W.; Lenhart, Jr.,James H., Filter cartridge with check valve protection.
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Aberle,Daniel W.; Lenhart, Jr.,James H., Filter cartridge with check valve protection.
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de Ridder, Scott A.; Lenhart, Jr., James H., Filter cartridge with regulated surface cleaning mechanism.
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Bamer Jonathan Michael ; Conrad Gregory Stevens, Filter insert for a storm drain.
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Wade,Rodney George, Filter pit.
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Hutter ; Jr. James E. ; Probst Christopher D., Filter system.
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Pank, Thomas E., Filtering system for runoff water.
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Aldridge William J. ; Kadilak Darcy A. ; Markowitz James P., Floor drain odor control device.
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Olson, Norman L.; McLaughlin, Brian R.; Cobb, Daniel P.; Allen, II, Vaikko P.; Berg, Derek M., Fluid filter system and related method.
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Sharpless Robert, Grate suspended storm drain filter with oil absorbing media.
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Williamson, J. Kelly, Gravitational separator and drainwater treatment system for use in a horizontal passageway.
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Nino,Khalil Ibrahim, Large area catch basin filter.
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Eagle, Jonathan; Schwarz, Donald J.; Kasper, Seth; Mastroyin, Steve, Method for pre-filtering blood in a blood collection and processing system.
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Herman,Stewart T.; Bartosh,Joseph; Lezoche,Zachary J.; Sewald, Sr.,Richard T., Method for removal and detoxication of dissolved metals in a rainwater discharge.
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Morris,James F.; Stelpstra,Stephen C., Method of making and using a filter in the form of a block of agglomerated copolymer fragments.
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Clemenson Lyle J., Method of processing peat for use in contaminated water treatment.
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Lyle J. Clemenson, Method of processing peat for use in contaminated water treatment.
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Meurer,Charles Lonnie, Methods of and apparatus for low-angle-tray settling with multi-zone configuration.
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Kelly Michael D. ; Brown ; Jr. Hubert E. ; Skelley Joe Nichols ; Carpenter George Scott, Mobile process for the recovery of spent heat transfer fluids.
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Perry, Ken, Modular stormwater filtration.
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Wilkie, Mark, Over grate filter apparatus and method.
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Allen Larry James ; Allen Bridgette Lyniece, Plastic self-relieving curb inlet filter.
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Rink,Glenn R.; Morris,James F.; Stelpstra,Stephen C., Process of forming oil-absorbent bodies.
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Billias Charles ; Verma Rajesh ; Waton Ray, Removable storm water devices.
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Eagle, Jonathan; Schwarz, Donald J.; Kasper, Seth; Mastroyin, Steve, Reservoir for use with a blood collection system.
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Lamphere David G. ; Headley Thomas D. ; Strohl Clair L. ; Martin Clifford, Reservoir-and-filter system and method of use.
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Hurst,John G., Run-off water filter for storm drains.
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McInnis, Stephen; Moulton, Matthew, Runoff water filtration apparatus.
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Rink,Glenn R.; Morris,James F.; Stelpstra,Stephen C.; Rosania,Robert L.; Hegeman,Jan R.; Allen,Peter A., Sack-based processes for recovering oil floating on water.
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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

System for filtering liquids in a catch basin using filters in series and overflow channels 원문보기

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System for filtering liquids in a catch basin using filters in series and overflow channels 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (67)

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