[특허]Flow conditioner profile plate for more accurate measurement of fluid flow

Flow conditioner profile plate for more accurate measurement of fluid flow 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F15D-001/02
출원번호	US-0410101 (1995-03-24)
발명자 / 주소	Gallagher James E. (Kingwood TX) Beaty Ronald E. (Katy TX) Lanasa Paul J. (Houston TX)
출원인 / 주소	Integrity Measurement Partners (Kingwood TX 02)
인용정보	피인용 횟수 : 79 인용 특허 : 0

초록 ▼

A flow conditioner for use in pipelines to isolate a measuring device from the effects of piping induced disturbances thereby allowing more accurate metering of fluids flowing in pipelines. The device comprises three sections: an anti-swirl device; a settling chamber; and a profile device. The three sections are installed in a pipeline at a predetermined distance upstream from a metering device and at a minimum predetermined distance downstream from a pipeline disturbance. In the pipeline, the anti-swirl device is the furthest upstream, followed by a settling chamber of a specified length, which in turn is followed by the profile device. The anti-swirl device substantially eliminates swirl, the settling chamber minimizes interaction between the anti-swirl device and profile device. The profile plate produces pseudo-fully developed turbulent structure and velocity profile so there is a minimum deviation of the empirical discharge coefficient or meter calibration factor for both short and long piping lengths. In certain circumstances, the unique profile plates provided may be used without anti-swirl devices.

대표청구항 ▼

A profile plate for inducing pseudo-fully developed in fluid flowing under turbulent flow conditions in a pipeline of circular cross-section, the plate comprising a circular plate body having a center, an upstream face, and a downstream face, said body including: a central array of through bores having a porosity (P1) of from about 3.0 to about 5.0%, the through bores in said array having diameters d1, where: [Figure] and n1 is the number of through bores in the array; a second array of through bores centered on the locus of a second circle of diameter pcd2, where: pcd2=max {[0.4990-0.0065*(P3-P2)], 0.4500} the porosity (P2) of the second array ranging from about 19.0 to about 21.0%, and the hole size d2 of the through bores of the second array, where: [Figure] where n2 is the number of through bores in the second array; and a third array having a porosity (P3): P3=PT-(P1+P2) with through bores located on the locus of a circle, having a diameter pcd3, where: pcd3=[0.8575-0.0041* (P3-P2)] each of the through bores in said third array having a diameter d3, where: [Figure] wherein n3 is the number of through bores in the third array, and pcd2, pcd3, d1, d2, and d3 are dimensionless.

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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

Flow conditioner profile plate for more accurate measurement of fluid flow 원문보기

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Flow conditioner profile plate for more accurate measurement of fluid flow 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (79)

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