[특허]Debris exclusion devices for an augerhead type hydraulic dredge system

[미국특허] Debris exclusion devices for an augerhead type hydraulic dredge system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02F-003/22 E02F-003/94
출원번호	US-0568145 (1995-12-06)
발명자 / 주소	Walsh Michael Richard (Weathersfield VT) Lambert Dennis John (Wilmont Flat NH)
출원인 / 주소	The United States Corps of Engineers as represented by the Secretary of the Army (Washington DC 06)
인용정보	피인용 횟수 : 8 인용 특허 : 8

초록 ▼

The present invention pertains to debris exclusion devices designed for use on a small augerhead type hydraulic dredge system for operations in debris laden channels that can cause the system\s pump to malfunction. Debris to be excluded by these devices include portions of trees, woody-stemmed plants, pieces of lumber, pieces of metal or even unexploded ordinance. A first embodiment comprises vertical grates with curved front surfaces mounted in front of a spoils inlet of a dredgehead shroud with cooperating cutter assembly attached to the auger. These grates are spaced to allow passage of spoils and small debris, but not larger injurious debris that is detrimental to the system\s pump. A second embodiment is a tapered transition box device attached to the augerhead\s shroud disposed between the grates of a spoils inlet leading through these grates and a hose feeding the system\s pump. The box is a clean-out device which is self-regulated and also maintains smooth transitional flow to the system\s pump.

대표청구항 ▼

In a dredging device of the type comprising augering means for dredging rotatably enclosed in an auger shroud having transversely spaced end walls, a substantially closed rear wall, and an open front face, the augering means extends beyond a spoils inlet and is constructed and arranged to deliver dredged material to the spoils inlet at a central section of the auger shroud, and a transferring means with a converging hydrodynamic contour for conveying the dredged material delivered thereto by the augering means to a location remote from the device, the transferring means hydraulically communicates with i) the shroud\s central section at the spoils inlet and ii) a pumping and piping means, further in combination with: multiple vertical grate members forming a grating, the grating is mounted in front of the shroud\s spoils inlet; each grate member: i) is spaced apart from each other forming openings that allows passage of dredged material with non-injurious debris, ii) has a “T”cross-sectional form with a relief section, the relief section forming the widest opening space between each grate member and iii) has a concave outer face juxtaposed to the augering means, thereby minimizing debris jamming between each grate member caused by debris that is larger than the widest opening space; whereby the transferring, piping and pumping means are not adversely affected during operation.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

Lipford Keith W. (Pasadena MD), Auger dredge specially adapted to removal of toxic sediment.
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Deal Troy M. (277 Trismen Ter. Winter Park FL 32789), Dredge cutterhead.
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O\Brien Charles F. (Golden Valley MN), Dredging head.
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Norisugi Makoto (Kawasaki JP), Improved pump-type sludge dredging apparatus.
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Klip Johan (Berkenwoude NL), Mouthpiece for a suction dredger.
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Lindsey ; Duane A., Muck dredging machine.
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Welling Conrad G. (Atherton CA) Davenport Gordon H. ( San Jose CA) Reichert Guenter ( San Jose CA) Snyder Charles M. (Saratoga CA) Harrold Milton C. (Ben Lomond CA) Donze Salvatore H. (Santa Clara CA, Ocean mining system and process.
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Deal Troy M. (277 Trismen Ter. Orlando FL 32802), Turbidity control system for dredge cutterheads.
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이 특허를 인용한 특허 (8) 인용/피인용 타임라인 분석

Walsh Michael R. ; Jokiel Sig, Debris separator for dredge or slurry pump.
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Andre Lee, Dredge with improved auger shroud.
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Hutchinson, Robert J.; Dawson, Richard F., Excavation system employing a jet pump.
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Jones, Glen Robert; Inglis, Antony Eliot; O'Sullivan, Anthony Paul; Howitt, Michael; Smith, Glen; Berndt, Roland Gunter; Jaffers, Daal Hallam; Ridley, Nicholas William; Maskell, Ian, Method and apparatus for bulk seafloor mining.
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Berndt, Roland, Self cleaning collection apparatus and method.
상세보기
Schuh, Allen J.; Schuh, Peter A., Suction dredge system and method.
상세보기
Kohutko, Richard J., Suction head for sediment dredge.
상세보기
Manchester, Jonathan Ralph, Underwater trenching apparatus.
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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] Debris exclusion devices for an augerhead type hydraulic dredge system 원문보기