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公开(公告)号：NO332688B1
公开(公告)日：2012-12-10
申请号：NO20060272
申请日：2006-01-18
Applicant: NORSK HYDRO AS
Inventor： KAASA OYVIND , FJALESTAD KJETIL
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公开(公告)号：NO20076551L
公开(公告)日：2009-06-22
申请号：NO20076551
申请日：2007-12-19
Applicant: NORSK HYDRO AS
Inventor： FALLET TRULS , FJALESTAD KJETIL , AASHEIM ROBERT , ALSTAD VIDAR
Abstract: A method and equipment are provided for determining the level/height, of one or more interfaces between two or more fluid phases of different density that are contained in a vessel, tank or the like. The position of the different interfaces in a tank is determined by measuring the pressure thereby determining the density of the fluid over the height of the tank by using a pressure measuring rod, equipped with pressure sensors, positioned in the tank. A mathematical model or algorithm is used which calculates how the density and hence the pressure vary over the height of the tank as a function of the fluid properties of the respective fluids in the tank, the interface, on the basis of the density being the same within each layer of the respective fluid, as a respective point at which the density changes from one layer to the next in the tank.
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公开(公告)号：NO20074899A
公开(公告)日：2009-03-27
申请号：NO20074899
申请日：2007-09-26
Applicant: NORSK HYDRO AS
Inventor： FJALESTAD KJETIL , AASHEIM ROBERT , STETTE TAALE , ALSTAD VIDAR
CPC classification number: E21B43/12 , E21B43/01 , F04C2/107 , F04C2/123 , F04C2/126 , F04C2/16 , F04C2/34 , F04C11/001 , F04C2220/24
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公开(公告)号：NO327870B1
公开(公告)日：2009-10-12
申请号：NO20076551
申请日：2007-12-19
Applicant: NORSK HYDRO AS
Inventor： FALLET TRULS , FJALESTAD KJETIL , AASHEIM ROBERT , ALSTAD VIDAR
Abstract: A method and equipment are provided for determining the level/height, of one or more interfaces between two or more fluid phases of different density that are contained in a vessel, tank or the like. The position of the different interfaces in a tank is determined by measuring the pressure thereby determining the density of the fluid over the height of the tank by using a pressure measuring rod, equipped with pressure sensors, positioned in the tank. A mathematical model or algorithm is used which calculates how the density and hence the pressure vary over the height of the tank as a function of the fluid properties of the respective fluids in the tank, the interface, on the basis of the density being the same within each layer of the respective fluid, as a respective point at which the density changes from one layer to the next in the tank.
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公开(公告)号：NO20074898L
公开(公告)日：2008-10-16
申请号：NO20074898
申请日：2007-09-26
Applicant: NORSK HYDRO AS
Inventor： FJALESTAD KJETIL , AASHEIM ROBERT , STETTE TAALE , ALSTAD VIDAR , MJAAVATTEN ARE
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Patent Agency Ranking
公开(公告)号：NO20060272A
公开(公告)日：2007-07-19
申请号：NO20060272
申请日：2006-01-18
Applicant: NORSK HYDRO AS
Inventor： KAASA OYVIND , FJALESTAD KJETIL
CPC classification number: F17C3/005 , F17C3/04 , F17C2201/0157 , F17C2201/0185 , F17C2201/052 , F17C2203/0304 , F17C2203/0379 , F17C2203/0621 , F17C2203/0646 , F17C2203/0678 , F17C2221/033 , F17C2221/035 , F17C2223/0153 , F17C2223/0161 , F17C2223/033 , F17C2227/0128 , F17C2227/0171 , F17C2260/042 , F17C2270/0149 , F17C2270/016 , F17C2270/0163
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公开(公告)号：NO20074898A
公开(公告)日：2008-10-16
申请号：NO20074898
申请日：2007-09-26
Applicant: NORSK HYDRO AS
Inventor： FJALESTAD KJETIL , AASHEIM ROBERT , STETTE TAALE , ALSTAD VIDAR , MJAAVATTEN ARE
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公开(公告)号：NO20076551A
公开(公告)日：2009-06-22
申请号：NO20076551
申请日：2007-12-19
Applicant: NORSK HYDRO AS
Inventor： FALLET TRULS , FJALESTAD KJETIL , AASHEIM ROBERT , ALSTAD VIDAR
CPC classification number: G01N9/26 , G01F23/168
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公开(公告)号：NO20060272L
公开(公告)日：2007-07-19
申请号：NO20060272
申请日：2006-01-18
Applicant: NORSK HYDRO AS
Inventor： KAASA OYVIND , FJALESTAD KJETIL
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公开(公告)号：NO20074899L
公开(公告)日：2009-03-27
申请号：NO20074899
申请日：2007-09-26
Applicant: NORSK HYDRO AS
Inventor： FJALESTAD KJETIL , AASHEIM ROBERT , STETTE TAALE , ALSTAD VIDAR
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