[특허]Peristaltic pump having means for reducing flow pulsation

Peristaltic pump having means for reducing flow pulsation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04B-043/12
출원번호	US-0955925 (1992-10-02)
발명자 / 주소	Minarik Daniel (Buffalo Grove IL) Beck James E. (Lake Zurich IL)
출원인 / 주소	Cole-Parmer Instrument Company (Chicago IL 02)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A peristaltic pump comprising a rotor and a plurality of removable cartridges associated with the rotor, wherein the occlusion beds of the cartridges are configured to enable the outflow characteristics of the pump to be varied by manipulation or interchanging of the cartridges, such that the pump may, in one mode of operation, have synchronous flow to all of its parallel flow channels, or may in a second mode of operation, have non-synchronous phase-offset flow to respective ones of the parallel flow channels. In the second mode of operation, manifolding of the output flow from respective ones of the parallel flow channels can be employed to provide flow of substantially reduced pulsation. Each of the cartridges preferably comprises a cartridge frame and a separate occlusion bed supported on the cartridge frame. In the second mode of operation, the occlusion beds of the cartridges preferably have regions of maximum occlusion offset relative to one another.

대표청구항 ▼

A peristaltic pump comprising: a drive unit including a stationary frame and a rotor supported on said frame for rotation; a plurality of removable cartridges disposed side-by-side on said drive unit; each of said removable cartridges comprising a cartridge frame and an occlusion bed; said rotor having a generally horizontal axis and including rotatable support means and a plurality of elongated, parallel rollers, said rollers being carried by said rotatable support means in a circular path about the axis of said rotor, each roller further having its own axis of rotation and being rotatable thereabout; each of said removable cartridges being configured for cooperation with said drive unit so that for each cartridge a length of flexible tubing may be supported between the occlusion bed and the rotor to enable effectuation of peristaltic pumping of fluid through said length of tubing by rotation of said rotor; a first one of said cartridges having a region of maximum occlusion on its occlusion bed; a second one of said cartridges having a region of maximum occlusion on its occlusion bed substantially offset from said region of maximum occlusion on said first cartridge, whereby flow through tubing associated with said first cartridge is substantially non-synchronous with flow through tubing associated with said second cartridge; and means for manifolding said lengths of flexible tubing to combine outflow therefrom so as to provide a combined flow having reduced pulsation as compared with flow through one of said lengths of flexible tubing; wherein the offset between the regions of maximum occlusion in the occlusion beds of said first cartridge and said second cartridge, expressed in degrees, is an odd integral multiple of 180°/n, where n is equal to the number of said rollers.

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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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연합인증

Peristaltic pump having means for reducing flow pulsation 원문보기

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Peristaltic pump having means for reducing flow pulsation 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (65)

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