[특허]Methods and apparatus for high-shear material treatment

Methods and apparatus for high-shear material treatment 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B02C-019/18
출원번호	US-0387769 (1995-02-21)
국제출원번호	PCT/US93/07931 (1993-08-24)
§371/§102 date	19950221 (19950221)
국제공개번호	WO-9404275 (1994-03-03)
발명자 / 주소	Holl Richard A. (2183 Eastridge Trail Oxnard CA 93030)
인용정보	피인용 횟수 : 124 인용 특허 : 0

초록 ▼

High-shear treated materials are passed through a high-shear treatment zone which allows the coexistence of free supra-Kolmogoroff eddies larger than the smallest possible Kolmogoroff eddy diameter and forced sub-Kolmogoroff eddies smaller than this diameter. This zone includes a subsidiary higher-shear zone for suppressing these free eddies. The passage walls (40, 44, 102, 108) move relative to one another transverse to the flow to force the simultaneous development of supra-Kolmogoroff and sub-Kolmogoroff eddies while maintaining liquid films adherent to the passage surfaces. The movement produces only forced sub-Kolmogoroff eddies in the subsidiary zone while maintaining a non-turbulent flow. Ultrasonic oscillations (52) may be applied to cause elastohydrodynamic pressure and viscosity increases and/or production of smaller sub-Kolmogoroff eddies. One apparatus includes an inner cylinder rotatable (46) inside a hollow outer cylinder (38), another consists of tow circular coaxial plates, and the rotational axis can be vertical or horizontal.

대표청구항 ▼

Methods for high-shear treatment of flowable materials comprising at least two components, one of which is a liquid, the methods comprising: passing the material to be treated in a flow direction in a flow path constituted by a passage between two closely spaced passage surfaces provided by respective mill members, the passage having an inlet thereto and an outlet therefrom; wherein: the flow path includes an overall high-shear treatment zone in which the spacing between the passage surfaces allows the coexistence of free supra-Kolmogoroff eddies which are larger than the smallest Kolmogoroff eddy diameter for the flowing material and forced sub-Kolmogoroff eddies which are smaller than the smallest Kolmogoroff eddy diameter; the overall high-shear treatment zone includes at least a portion thereof in which the passage spacing is smaller than in the remainder of the zone to provide a subsidiary higher-shear treatment zone in which free supra-Kolmogoroff eddies are suppressed during passage of the material therethrough; and while the material is moving in the overall high-shear treatment zone the mill members are moved relative to one another to thereby move the mill passage surfaces relative to one another in a direction transverse to the flow direction at a relative speed such as to force the simultaneous development of supra-Kolmogoroff and sub-Kolmogoroff eddies for the treatment of the material therein on a supra-micron and sub-micron scale with maintenance of the respective liquid films on the relatively moving passage surfaces, so as to thereby render the treated material as uniform as possible; such relative movement producing in the subsidiary higher-shear treatment zone only forced sub-Kolmogoroff eddies with maintenance of non-turbulent flow.

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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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Methods and apparatus for high-shear material treatment 원문보기

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Methods and apparatus for high-shear material treatment 원문보기

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