[특허]Rotary filtration device and filter pack therefor

Rotary filtration device and filter pack therefor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-063/16
출원번호	US-0884079 (1992-05-15)
발명자 / 주소	Rolchigo Philip M. (Edison NJ) Hodgins Leonard T. (Closter NJ) Kahn Malcolm R. (Franklin Lakes NJ)
출원인 / 주소	Membrex, Inc. (Fairfield NJ 02)
인용정보	피인용 횟수 : 36 인용 특허 : 0

초록 ▼

A rotary filtration system comprising a device having a fluid filtration gap between a filter and a rotating member (e.g., a disc), a filter pack for use in the rotary filtration device, and a cartridge formed by structurally connecting (and optionally fluidly connecting) two or more of the filter packs is disclosed. In the filter pack, the filter lies adjacent a permeate collection member, which also desirably can support the filter. The permeate collection member has one or more passageways for collecting the permeate that flows through the filter and is connected to a permeate collection header in the device. The filter pack and device are designed so that the filter pack may be easily inserted into and removed from the device, preferably by moving the filter pack in a direction generally perpendicular to the longitudinal axis of the shaft that rotates the rotating member. Desirably the rotating member and/or filter has one or more spiral grooves in fluid communication with fluid in the gap. Several rotating members and filter packs may be interleaved to increase filtration device capacity and make more efficient use of equipment space. In such a device, the rotating members can be mounted on a common shaft for rotation in unison and can have spiral grooves on both major faces of each rotating member.

대표청구항 ▼

A rotary filtration device for filtering fluid into permeate and retentate, said device comprising (a) a readily insertable and removable filter pack, the filter pack being essentially stationary in the device during normal operation and comprising a first filter and a permeate collection member having a first major surface, the first filter being adjacent the first major surface; (b) a permeate collection header; (c) a first rotating member; and (d) a rotatable shaft having a longitudinal axis to which shaft the rotating member is attached and by which shaft it is rotated during normal operation; the first rotating member being near the first filter to define a first fluid filtration gap therebetween when the filter pack is in its normal operating position in the device; the permeate collection member having at least one passageway for permeate and also having fluid connection means for fluidly connecting the passageway to the permeate collection header when the filter pack is in its normal operating position so that permeate that passes from the fluid filtration gap through the filter and into the passageway of the permeate collection member can flow into the permeate collection header during normal operation; the device having means to allow the filter pack to be readily inserted into and removed from its normal operating position in the device by moving the filter pack in a direction generally perpendicular to the longitudinal axis of the shaft and provide an alternative to having to move the rotating member out of the path of the filter pack during its insertion or removal. A readily insertable and removable filter pack for use in a rotary filtration device for filtering fluid into permeate and retentate, the filter pack being essentially stationary in the device during normal operation and comprising first and second filters and a permeate collection member having first and second major surfaces and a third surface, the first filter being adjacent the first major surface and the second filter being adjacent the second major surface; said device having a permeate collection header, first and second rotating members, and a rotatable shaft having a longitudinal axis to which shaft the rotating members are attached and by which shaft they are rotated during normal operation; the first rotating member being near the first filter to define a first fluid filtration gap therebetween and the second rotating member being near the second filter to define a second fluid filtration gap therebetween when the filter pack is in its normal operating position in the device; the permeate collection member having at least one passageway for permeate and also having fluid connection means in its third surface for fluidly connecting the passageway to the permeate collection header when the filter pack is in its normal operating position so that permeate that passes from the fluid filtration gaps through the filters and into the passageway of the permeate collection member can flow into the permeate collection header during normal operation; the device and the filter pack having means to allow the filter pack to be readily inserted into and removed from its normal operating position in the device and provide an alternative to having to move the rotating members out of the path of the filter pack during its insertion or removal.

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Rotary filtration device and filter pack therefor 원문보기

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Rotary filtration device and filter pack therefor 원문보기

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이 특허를 인용한 특허 (36)

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