[특허]Method for recording multi-phase flows through a transport system

[미국특허] Method for recording multi-phase flows through a transport system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-011/00 G01F-001/00
출원번호	US-0476464 (1990-06-05)
우선권정보	NO-0005326 (1987-12-18)
국제출원번호	PCT/NO88/00096 (1988-12-16)
§371/§102 date	19900605 (19900605)
국제공개번호	WO-8905974 (1989-06-29)
발명자 / 주소	Hope Bjorn R. (Lommedalen NOX)
출원인 / 주소	Sensorteknikk A/S (Lommedalen NOX 03)
인용정보	피인용 횟수 : 112 인용 특허 : 0

초록 ▼

A method for determining the flow situation in a transport system where the flow medium occurs in multi-phase and is conducted through a structural detail such as a choke valve, which acts on the flow of the medium and produces turbulence causing acoustic energy signals which are generated in and immediately close to the structural detail. The acoustic energy signals are sensed by one or a plurality of acoustic sensors with an acoustic broad-band connection with the structural detail. The sensor converts the energy signal to transmittable signals to a signal processing unit utilizing known signal analysis principles to provide interpretable information on the actual flow situation and the flowing medium which is influenced by the structural detail. The structural detail to which the acoustic sensor is connected may be incorporated in a subsea production system.

대표청구항 ▼

A method for determining the composition and flow conditions of a medium flowing through a transport system comprising, a) causing acoustic energy signals to be generated and propagated by the flowing medium by (i) forming a structural detail through which the medium must flow, (ii) disposing the structural detail in the transport system to change the cross-sectional flow area of the medium in the transport system at the structural detail, (iii) forming the structural detail to create turbulence and/or cavitation in the medium when the medium passes through the structural detail, thereby causing acoustic energy signals to be generated and propagated in the structural detail, b) detecting broad band acoustic energy signals generated and propagated in the structural detail, including converting the detected acoustic signals into corresponding electrical signals by using a broad band signal converter as an acoustic sensor to sense and convert the acoustic signals, c) locating the acoustic sensor outside the transport system, d) conditioning the electrical signals, and e) processing and analyzing the electrical signals through signal spectrum analysis to provide interpretable information on composition and flow condition parameters related to the medium passing through the structural detail.

이 특허를 인용한 특허 (112) 인용/피인용 타임라인 분석

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Bailey,Timothy J., Apparatus and method of processing data to improve the performance of a flow monitoring system.
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[미국특허] Method for recording multi-phase flows through a transport system 원문보기

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