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1.发明申请公开(公告)号：US20180275023A1
公开(公告)日：2018-09-27
申请号：US15557428
申请日：2016-03-11
Applicant: PROVTAGAREN AB
Inventor： Gunnar Skarping , Marianne Dalene
IPC: G01N1/22
CPC classification number: G01N1/2214 , B03C3/017 , B03C3/12 , B03C3/47 , G01N1/10 , G01N1/2202 , G01N1/2247 , G01N1/2273 , G01N15/0656 , G01N2001/2223 , G01N2001/227
Abstract: A method for passive or active sampling of particles and gas phase components in a fluid flow. A sampling device is provided in the fluid flow, wherein the sampling device comprises an ionization chamber and a detection chamber. A fraction of the particles and the gas phase components in the fluid become ionized and charged when introduced in the ionization chamber. The charged particles and gas phase components are then introduced in the detection chamber, which comprises a positively charged wall surface and a negatively charged wall surface. The positively charged particles and gas phase components are bound to the negatively charged wall surface, and the negatively charged particles and gas phase components are bound to the positively charged wall surface. The amount of particles present in the fluid flow is determined by measuring the current change between the positively charged wall surface and the negatively charged wall surface.
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2.发明申请公开(公告)号：US20180113057A1
公开(公告)日：2018-04-26
申请号：US15557396
申请日：2016-03-11
Applicant: PROVTAGAREN AB
Inventor： Gunnar Skarping , Marianne Dalene
IPC: G01N1/22
CPC classification number: G01N1/2247 , G01N1/10 , G01N1/2205 , G01N1/2208 , G01N1/2214 , G01N1/2273 , G01N2001/1006 , G01N2001/2223 , G01N2001/227 , G01N2001/2288
Abstract: A method for active or passive sampling of particles and gas phase organic and non-organic components in a fluid flow (4) is disclosed, wherein said method comprises the step in which a sampling device comprising a first denuder device (1), a filter device (3), and a second denuder device (2), arranged in axial direction in a series in said order, is provided at a measurement spot, wherein the first denuder device (1) and the second denuder device (2) each is hollow and contains surfaces provided with a hydrophobic and/or a hydrophilic sorbent, or said second denuder device (2) contains a packing of hydrophobic and/or hydrophilic sorbent particles, as well as a sampling device used in said method.
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公开(公告)号：US20180292336A1
公开(公告)日：2018-10-11
申请号：US15762884
申请日：2016-09-23
Applicant: PROVTAGAREN AB
Inventor： Daniel Ottosen , Gunnar Skarping , Marianne Skarping
Abstract: A fluid detecting device for detecting the presence of a substance in a fluid in an area comprising: a heating element arranged in said area, a first thermal sensor arranged adjacent to said heating element adapted to detect a temperature (T1) at said heating element, wherein said heating element is coated with a hydrophobic sorbent adapted to adsorb a substance present in said fluid in said area. The invention further relates to a method for detecting the presence of a substance in a fluid in an area.
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4.发明申请ENHANCED DIFFERENTIAL THERMAL MASS FLOW METER ASSEMBLY AND METHODS FOR MEASURING A MASS FLOW USING SAID MASS FLOW METER ASSEMBLY 审中-公开增强型差热式流量计组件及使用均质流量计组件测量质量流量的方法公开(公告)号：US20160011028A1
公开(公告)日：2016-01-14
申请号：US14765999
申请日：2014-02-07
Applicant: PROVTAGAREN AB
Inventor： Gunnar Skarping , Marianne Dalene
CPC classification number: G01F1/684 , G01F1/6842 , G01F1/6965 , G01F1/6986 , G01F25/0007
Abstract: A differential thermal mass flow meter assembly (1) for measuring a mass flow of a gas or liquid is disclosed, wherein it comprises: a flow channel (2), in which the gas or liquid is flowing, at least two heating elements (4, 4′, 4″) arranged in the flow direction on the inside wall (3) of said flow channel (2), at least one thermal sensor (5) arranged in the flow direction up-stream said heating elements (4, 4′, 4″) on the inside wall (3) of said flow channel (2), at least one thermal sensor (6″) arranged in the flow direction down-stream said heating elements (4, 4′, 4″) on the inside wall (3) of said flow channel (2), as well as a method of measuring the mass flow of a gas or liquid using said differential thermal mass flow meter assembly.
Abstract translation: 公开了一种用于测量气体或液体的质量流量的差分热质量流量计组件（1），其中包括：气体或液体流过的流动通道（2），至少两个加热元件（4） ，4“，4”），沿所述流动方向布置在所述流动通道（2）的内壁（3）上，至少一个热传感器（5）沿所述流动方向上游配置，所述加热元件 在所述流动通道（2）的内壁（3）上形成有至少一个热传感器（6“），所述至少一个热传感器（6”）沿着流动方向向下排列所述加热元件（4,4'，4“） 所述流动通道（2）的内壁（3），以及使用所述差分热质量流量计组件测量气体或液体的质量流量的方法。
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公开(公告)号：US20170328359A1
公开(公告)日：2017-11-16
申请号：US15528832
申请日：2015-11-27
Applicant: PROVTAGAREN AB
Inventor： Daniel Ottosen , Gunnar Skarping , Marianne Dalene
IPC: F04B45/047 , F04B49/06 , F04B45/04
Abstract: A method for controlling a gas flow of a pump for high flow rates at a low average flow rate by changing the gas pressure inside a cavity in said pump. The method includes decreasing the gas pressure in said cavity during a first predetermined time period, increasing the gas pressure in said cavity during a second predetermined time period, and stopping the active change of gas pressure during at least a third predetermined time period. Additionally, a pump assembly for high flow rates operated at a low average flow rate is disclosed that includes a number of pumps, a pump motor with a number of stator windings adapted to drive said pumps, and a control unit adapted to control said pump motor. In one embodiment the number of pumps is equal to said number of stator windings. The motor can momentarily increase its force on the pumps.
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Patent Agency Ranking
公开(公告)号：US20160139097A1
公开(公告)日：2016-05-19
申请号：US14901176
申请日：2014-06-30
Applicant: PROVTAGAREN AB
Inventor： Gunnar Skarping , Marianne Dalene
CPC classification number: G01N33/007 , G01F1/74 , G01F1/88 , G01F15/02 , G01F15/04 , G01F15/046 , G01N1/2247 , G01N1/24 , G01N1/405 , G01N21/3504 , G01N27/4175 , G01N33/0006
Abstract: The invention relates to methods for verification of correct function of sampling equipment is disclosed, wherein said method comprises the steps of: a) providing a pump assembly (1) comprising an inlet (2) and an outlet (3), a flow channel (4) extending between said inlet (2) and outlet (3), a pump located along said flow channel (4) adapted to force an gas flow through said flow channel (4), a first mass flow sensor (6) located inside said flow channel (4), a first pressure sensor (7) located near said first mass flow sensor (6) adapted to measure a first pressure inside said flow channel (4), and a second pressure sensor (8) located outside said flow channel (4), said second pressure sensor (8) being adapted to measure a second pressure being the ambient atmospheric pressure, b) calculating the pressure difference between said first pressure and said second pressure c) calculating any error in an output signal from the mass flow meter by comparing said pressure difference with a value in a pre-calibrated table of mass flow output signal values as a function of said pressure difference, d) providing an error signal comprising a value of said calculated error if said value of said calculated error is above a predetermined threshold. The invention further relates to alternatives to said method.
Abstract translation: 本发明涉及用于验证取样设备正确功能的方法，其中所述方法包括以下步骤：a）提供包括入口（2）和出口（3）的泵组件（1），流动通道 4）在所述入口（2）和出口（3）之间延伸，沿着所述流动通道（4）设置的泵，其适于强制气体流过所述流动通道（4）;第一质量流量传感器（6） 流动通道（4），位于所述第一质量流量传感器（6）附近的第一压力传感器（7），其适于测量所述流动通道（4）内的第一压力;以及第二压力传感器（8），位于所述流动通道 （4），所述第二压力传感器（8）适于测量作为环境大气压力的第二压力，b）计算所述第一压力和所述第二压力之间的压差c）计算来自所述质量的输出信号中的任何误差 流量计通过比较所述压力差与阀 在质量流量输出信号值的预校准表中作为所述压力差的函数，d）如果所述计算出的误差的值高于预定阈值，则提供包括所述计算误差的值的误差信号。 本发明还涉及所述方法的替代方案。
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公开(公告)号：US10605704B2
公开(公告)日：2020-03-31
申请号：US15557396
申请日：2016-03-11
Applicant: PROVTAGAREN AB
Inventor： Gunnar Skarping , Marianne Dalene
Abstract: A method for active or passive sampling of particles and gas phase organic and non-organic components in a fluid flow (4) is disclosed, wherein said method comprises the step in which a sampling device comprising a first denuder device (1), a filter device (3), and a second denuder device (2), arranged in axial direction in a series in said order, is provided at a measurement spot, wherein the first denuder device (1) and the second denuder device (2) each is hollow and contains surfaces provided with a hydrophobic and/or a hydrophilic sorbent, or said second denuder device (2) contains a packing of hydrophobic and/or hydrophilic sorbent particles, as well as a sampling device used in said method.
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公开(公告)号：US10598529B2
公开(公告)日：2020-03-24
申请号：US14765999
申请日：2014-02-07
Applicant: PROVTAGAREN AB
Inventor： Gunnar Skarping , Marianne Dalene
Abstract: A differential thermal mass flow meter assembly (1) for measuring a mass flow of a gas or liquid is disclosed, wherein it comprises: a flow channel (2), in which the gas or liquid is flowing, at least two heating elements (4, 4′, 4″) arranged in the flow direction on the inside wall (3) of said flow channel (2), at least one thermal sensor (5) arranged in the flow direction up-stream said heating elements (4, 4′, 4″) on the inside wall (3) of said flow channel (2), at least one thermal sensor (6″) arranged in the flow direction down-stream said heating elements (4, 4′, 4″) on the inside wall (3) of said flow channel (2), as well as a method of measuring the mass flow of a gas or liquid using said differential thermal mass flow meter assembly.
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公开(公告)号：US20180306170A1
公开(公告)日：2018-10-25
申请号：US15767847
申请日：2016-10-17
Applicant: PROVTAGAREN AB
Inventor： Daniel Ottosen , Gunnar Skarping , Marianne Dalene
CPC classification number: F04B1/0538 , F04B9/045 , F04B27/053 , F04B27/0536 , F04B35/01 , F04B43/0081 , F04B43/025 , F04B49/125 , F04B49/126 , F04B49/22
Abstract: A membrane fluid pump includes a rotatable drive shaft. The shaft is equipped with a number of eccentrics arranged axially along the shaft. The membrane fluid pump further comprises a set of connecting rods connected to each of the eccentrics. Each connecting rod is attached between one of the eccentrics on the shaft and a corresponding membrane so that each of the connecting rods is arranged to transfer a rotating movement of the shaft to a reciprocating movement pattern of the corresponding membrane. Each of the eccentrics and the connecting rods are arranged such that all of the membranes will reciprocate with a phase shift evenly distributed over a 360 degree rotation of the drive shaft, and wherein all of the eccentrics are rotationally offset to each other with an angle so that they are evenly distributed over a 360 degree rotation of the drive shaft.
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公开(公告)号：US20200049726A1
公开(公告)日：2020-02-13
申请号：US16492707
申请日：2018-03-09
Applicant: PROVTAGAREN AB
Inventor： Daniel Ottosen , Gunnar Skarping , Marianne Dalene
Abstract: The invention relates to a fluid sampling assembly comprising a sampling device (1) for analysis of one or more substances in a fluid flow passing through the sampling device (1), a first device (3) comprising a flow meter for measuring the fluid flow, and a control unit (12) with communication means, wherein the control unit (12) is adapted to record information concerning the sampling, and to communicate the information to a memory (4, 7, 13). The invention further relates to a method for assuring quality of measurements using a sampling assembly.
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