公开(公告)号：US06343517B1

公开(公告)日：2002-02-05

申请号：US09345075

申请日：1999-06-30

申请人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Curtis John Ollila ,  Ernest Dale Lister

发明人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Curtis John Ollila ,  Ernest Dale Lister

IPC分类号： G01F184

CPC分类号： G01F1/8409 ,  G01F1/8413 ,  G01F1/8418 ,  G01F1/849 ,  Y10T29/49002 ,  Y10T29/4902 ,  Y10T29/494 ,  Y10T29/49401 ,  Y10T29/49428

摘要： A flowmeter having a case enclosing a single straight tube surrounded by a balance bar. The balance bar ends are coupled by means of a brace bar to the flow tube as well as by case connect links to the inner wall of the case. The flow tube ends are coupled to end flanges by means of a raised element having a center opening for sealably receiving the flow tube terminus. The flow tube projects beyond the case end and is sealably coupled to a cone connect element in the case end. A void is defined by the space between the flow tube outer surface and the inner surface of the cone connect element and the end flanges to minimize the surface area of the flow tube that is affected by the weld between the case end and raised element of the end flanges. The case connect links contain out of plane bends to accommodate a change in the effective diameter of the case and the balance bar with respect to each other due to changing thermal conditions. Another embodiment of the invention includes a flowmeter without the end flanges. The flow tube ends project beyond the case ends while being sealably coupled to the cone connect element in the case ends. The flowmeter may be manufactured, tested, and balanced and stored without a flange. The flowmeter is stored in this condition until its commercial use is imminent at which time it is fitted with the appropriate end flange required by the end user.

摘要翻译： 一种流量计，其具有包围由平衡杆包围的单个直管的壳体。 平衡杆端部通过支撑杆连接到流动管以及通过壳体连接到壳体的内壁的情况。 流管端部通过具有中心开口的凸起元件联接到端部凸缘，用于密封地接收流动管末端。 流动管突出超过壳体端部并且在壳体端部中可密封地联接到锥形连接元件。 通过流管外表面和锥形连接元件和端部凸缘的内表面之间的空间来限定空隙，以使流管的表面积最小化，其受到壳体端部和凸起元件之间的焊接的影响 端部法兰。 壳体连接链路包含超出平面弯曲以适应壳体和平衡杆相对于彼此的有效直径的变化，这是由于热条件的变化。 本发明的另一个实施例包括没有端部凸缘的流量计。 流动管端部突出超过壳体端部，同时在壳体端部中可密封地联接到锥形连接元件。 流量计可以被制造，测试和平衡，并没有法兰存储。 流量计以这种状态存储，直到其商业使用即将到来，在那时它装配有终端用户所需的适当的端部法兰。

公开(公告)号：US06718615B2

公开(公告)日：2004-04-13

申请号：US09947810

申请日：2001-09-05

申请人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Curtis John Ollila ,  Ernest Dale Lister

发明人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Curtis John Ollila ,  Ernest Dale Lister

IPC分类号： H01S400

CPC分类号： G01F1/8409 ,  G01F1/8413 ,  G01F1/8418 ,  G01F1/849 ,  Y10T29/49002 ,  Y10T29/4902 ,  Y10T29/494 ,  Y10T29/49401 ,  Y10T29/49428

摘要： A method of forming a flowmeter having a case enclosing a single straight tube surrounded by a balance bar. The balance bar ends are coupled by means of a brace bar to the flow tube as well as by case connect links to the inner wall of the case. The flow tube projects beyond the case end and is sealably coupled to a cone connect element in the case end. A void is defined by the space between the flow tube outer surface and the inner surface of the cone connect element and the end flanges. The case connect links contain out of plane bends to accommodate a change in the effective diameter of the case and the balance bar with respect to each other due to changing thermal conditions.

摘要翻译： 一种形成具有包围由平衡杆包围的单个直管的壳体的流量计的方法。 平衡杆端部通过支撑杆连接到流动管以及通过壳体连接到壳体的内壁的情况。 流动管突出超过壳体端部并且在壳体端部中可密封地联接到锥形连接元件。 空隙由流管外表面和锥形连接元件的内表面与端部凸缘之间的空间限定。 壳体连接链路包含超出平面弯曲以适应壳体和平衡杆相对于彼此的有效直径的变化，这是由于热条件的变化。

公开(公告)号：US06354154B1

公开(公告)日：2002-03-12

申请号：US09345078

申请日：1999-06-30

申请人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Robert Barclay Garnett ,  Curtis John Ollila ,  Rachael Esther Cohen

发明人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Robert Barclay Garnett ,  Curtis John Ollila ,  Rachael Esther Cohen

IPC分类号： G01F184

CPC分类号： G01F1/84 ,  G01F1/8409 ,  G01F1/8413 ,  G01F1/8418 ,  G01F1/849 ,  Y10T29/49288

摘要： A balance bar for a straight tube Coriolis flowmeter. The balance bar is preferably manufactured by process that provides an increased number of flowmeter elements integral to the balance bar. These integral elements comprise: brace bars at each end of the balance bar, rib elements on each side of the balance bar to raise the horizontal vibration frequency, a surface to facilitate the mounting of a driver to the balance bar and to a flow tube surrounded by the balance bar, surfaces to facilitate the mounting of sensors to the balance bar and flow tube, voids that lower the resonant frequency of the balance bar in a drive plane, and a cavity that makes the vibration amplitude of the balance bar less than that of the flow tube. These elements lower the resonant frequency of the balance bar to make the flowmeter calibration factor independent of density. The balance bar is ideally made by a casting process. The balance bar may be also fabricated by other processes including machining.

摘要翻译： 直管科里奥利流量计的平衡杆。 平衡杆优选地通过提供增加数量的与平衡杆成一体的流量计元件的方法来制造。 这些整体元件包括：在平衡杆的每一端处的支撑杆，平衡杆的每一侧上的肋元件以提高水平振动频率，一个表面，以便于将驾驶员安装到平衡杆和流动管周围 通过平衡杆，表面便于将传感器安装到平衡杆和流动管，降低驱动平面中的平衡杆的共振频率的空隙以及使平衡杆的振幅低于该平衡杆的空腔小于 的流管。 这些元件降低了平衡杆的共振频率，使流量计校准系数与密度无关。 平衡杆理想地由铸造工艺制成。 平衡杆也可以通过包括加工在内的其它工艺来制造。

公开(公告)号：US06386048B2

公开(公告)日：2002-05-14

申请号：US09916793

申请日：2001-07-27

申请人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Robert Barclay Garnett ,  Curtis John Ollila ,  Rachael Esther Cohen

发明人： Craig Brainerd Van Cleve ,  Gregory Treat Lanham ,  Robert Barclay Garnett ,  Curtis John Ollila ,  Rachael Esther Cohen

IPC分类号： G01F166

CPC分类号： G01F1/84 ,  G01F1/8409 ,  G01F1/8413 ,  G01F1/8418 ,  G01F1/849 ,  Y10T29/49288

摘要： A balance bar for a straight tube Coriolis flowmeter. The balance bar is preferably manufactured by process that provides an increased number of flowmeter elements integral to the balance bar. These integral elements comprise: brace bars at each end of the balance bar, rib elements on each side of the balance bar to raise the horizontal vibration frequency, a surface to facilitate the mounting of a driver to the balance bar and to a flow tube surrounded by the balance bar, surfaces to facilitate the mounting of sensors to the balance bar and flow tube, voids that lower the resonant frequency of the balance bar in a drive plane, and a cavity that makes the vibration amplitude of the balance bar less than that of the flow tube. These elements lower the resonant frequency of the balance bar to make the flowmeter calibration factor independent of density. The balance bar is ideally made by a casting process. The balance bar may also be fabricated by other processes including machining.

摘要翻译： 直管科里奥利流量计的平衡杆。 平衡杆优选地通过提供增加数量的与平衡杆成一体的流量计元件的方法来制造。 这些整体元件包括：在平衡杆的每一端处的支撑杆，平衡杆的每一侧上的肋元件以提高水平振动频率，一个表面，以便于将驾驶员安装到平衡杆和流动管周围 通过平衡杆，表面便于将传感器安装到平衡杆和流动管，降低驱动平面中的平衡杆的共振频率的空隙以及使平衡杆的振幅低于该平衡杆的空腔小于 的流管。 这些元件降低了平衡杆的共振频率，使流量计校准系数与密度无关。 平衡杆理想地由铸造工艺制成。 平衡杆也可以通过包括加工在内的其它工艺来制造。

公开(公告)号：USD435227S

公开(公告)日：2000-12-19

申请号：US107218

申请日：1999-06-30

申请人： Ernest Dale Lister ,  Michael Leon Overfeldt ,  Craig Brainerd Van Cleve ,  Curtis John Ollila

设计人： Ernest Dale Lister ,  Michael Leon Overfeldt ,  Craig Brainerd Van Cleve ,  Curtis John Ollila

公开(公告)号：US06286373B1

公开(公告)日：2001-09-11

申请号：US09249058

申请日：1999-02-12

申请人： Ernest Dale Lister ,  John Richard McCarthy ,  Curtis John Ollila ,  Anthony Pankratz

发明人： Ernest Dale Lister ,  John Richard McCarthy ,  Curtis John Ollila ,  Anthony Pankratz

IPC分类号： G01F184

CPC分类号： G01F1/8409 ,  G01F1/8413 ,  G01F1/8422 ,  G01F1/8477 ,  G01F15/10 ,  G01F15/14

摘要： A system enclosing a Coriolis flowmeter in a explosion proof housing. The explosion proof housing is structured in a way that the housing can withstand an explosion of volatile material inside the housing. The explosion proof housing prevents sparks and heat inside the housing from igniting volatile material outside the housing. Any gaps or openings in the explosion proof housing provide a flame path of sufficient length to cool a flame or hot material escaping from the housing. The use of the secondary housing as an explosion proof compartment allows the use of a driver having greater power as well as conventional leads inside the housing.

摘要翻译： 在防爆外壳中包围科里奥利流量计的系统。 防爆壳体的结构使得外壳能够承受壳体内挥发性物质的爆炸。 防爆外壳防止外壳内的火花和热量引起壳体外的挥发性物质的点燃。 防爆壳体中的任何间隙或开口提供足够长度的火焰路径，以冷却从壳体逸出的火焰或热材料。 使用次级壳体作为防爆隔室允许使用具有更大功率的驱动器以及壳体内的常规引线。

公开(公告)号：US06044715A

公开(公告)日：2000-04-04

申请号：US814203

申请日：1997-03-11

申请人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

发明人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

IPC分类号： G01F1/84 ,  G01F1/78

CPC分类号： G01F1/8404 ,  G01F1/8409 ,  G01F1/8413 ,  G01F1/8486 ,  Y10T29/49288

摘要： An apparatus for measuring the flow rate of a fluid flowing through a minimal flow pipeline with a Coriolis effect mass flowmeter. The flowmeter has a single flow tube with two loops. The loops are connected by a cross-over section. A driver oscillates the loops and the phase difference between the ends of the loops is measured. The measured phase difference is then used to find the flow rate of the fluid. The flow tube is fixedly attached to an anchor which is, in turn, attached to a housing. The anchor separate the vibrating, dynamic portion of the flowmeter from the non-vibrating portion of the flowmeter.

摘要翻译： 一种用科里奥利效应质量流量计测量流过最小流量管道的流体流量的装置。 流量计有一个带有两个回路的单管。 循环通过交叉部分连接。 驱动器振荡回路，测量回路端部之间的相位差。 然后使用测量的相位差来找到流体的流速。 流动管固定地附接到锚固件，锚固件又附接到壳体。 锚固器将流量计的振动动态部分与流量计的非振动部分分开。

公开(公告)号：US06564650B2

公开(公告)日：2003-05-20

申请号：US09808858

申请日：2001-03-15

申请人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

发明人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

IPC分类号： G01F178

CPC分类号： G01F1/8404 ,  G01F1/8409 ,  G01F1/8413 ,  G01F1/8486 ,  Y10T29/49288

摘要： An apparatus for measuring the flow rate of a fluid flowing through a minimal flow pipeline with a Coriolis effect mass flowmeter. The flowmeter has a single flow tube with two loops. The loops are connected by a cross-over section and are adapted to be vibrated in phase opposition by a driver. The phase difference between the ends of the vibrating loops is measured. The measured phase difference is used to find the flow rate of the fluid. The flow tube is fixably attached to an anchor which is, in turn, attached to a housing. The anchor separates the vibrating dynamic portion of the flowmeter from the non-vibrating portion of the flowmeter.

摘要翻译： 一种用科里奥利效应质量流量计测量流过最小流量管道的流体流量的装置。 流量计有一个带有两个回路的单管。 这些环通过交叉部分连接并且适于由驾驶员相位振动。 测量振动环的端部之间的相位差。 测量的相位差用于找出流体的流量。 流管可固定地附接到锚固件，锚固件又附接到壳体。 锚固器将流量计的振动动态部分与流量计的非振动部分分开。

公开(公告)号：US06332367B1

公开(公告)日：2001-12-25

申请号：US08814203

申请日：1997-03-11

申请人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

发明人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

IPC分类号： G01F178

CPC分类号： G01F1/8404 ,  G01F1/8409 ,  G01F1/8413 ,  G01F1/8486 ,  Y10T29/49288

摘要： An apparatus for measuring the flow rate of a fluid flowing through a minimal flow pipeline with a Coriolis effect mass flowmeter. The flowmeter has a single flow tube with two loops. The loops are connected by a cross-over section. A driver oscillates the loops and the phase difference between the ends of the loops is measured. The measured phase difference is then used to find the flow rate of the fluid. The flow tube is fixedly attached to an anchor which is, in turn, attached to a housing. The anchor separate the vibrating, dynamic portion of the flowmeter from the non-vibrating portion of the flowmeter.

摘要翻译： 一种用科里奥利效应质量流量计测量流过最小流量管道的流体流量的装置。 流量计有一个带有两个回路的单流管。 循环通过交叉部分连接。 驱动器振荡回路，测量回路端部之间的相位差。 然后使用测量的相位差来找到流体的流速。 流动管固定地附接到锚固件，锚固件又附接到壳体。 锚固器将流量计的振动动态部分与流量计的非振动部分分开。

公开(公告)号：US06293158B1

公开(公告)日：2001-09-25

申请号：US09542143

申请日：2000-04-04

申请人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

发明人： Curtis John Ollila ,  David Frederick Normen ,  Ernest Dale Lister

IPC分类号： G01F178

CPC分类号： G01F1/8404 ,  G01F1/8409 ,  G01F1/8413 ,  G01F1/8486 ,  Y10T29/49288

摘要： An apparatus for measuring the flow rate of a fluid flowing through a minimal flow pipeline with a Coriolis effect mass flowmeter. The flowmeter has a single flow tube with two loops. The loops are connected by a cross-over section. A driver oscillates the loops and the phase difference between the ends of the loops is measured. The measured phase difference is then used to find the flow rate of the fluid. The flow tube is fixably attached to an anchor which is, in turn, attached to a housing. The anchor separates the vibrating, dynamic portion of the flowmeter from the non-vibrating portion of the flowmeter.

摘要翻译： 一种用科里奥利效应质量流量计测量流过最小流量管道的流体流量的装置。 流量计有一个带有两个回路的单管。 循环通过交叉部分连接。 驱动器振荡回路，测量回路端部之间的相位差。 然后使用测量的相位差来找到流体的流速。 流管可固定地附接到锚固件，锚固件又附接到壳体。 锚固器将流量计的振动动态部分与流量计的非振动部分分开。