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公开(公告)号：US07997150B2
公开(公告)日：2011-08-16
申请号：US12296366
申请日：2007-04-06
CPC分类号： G01F3/08 , G01F1/0755 , G01F1/1155
摘要： A metering system for measuring a flow of petroleum and LPG. In embodiments of the invention, a magnetic drive is used to couple a measuring chamber, such as a known oscillating piston system, to a register or indicator, avoiding leakage and excessive wear due to passing a shaft through the wall of the chamber.
摘要翻译： 用于测量石油和石油气流量的计量系统。 在本发明的实施例中，磁驱动器用于将测量室（例如已知的振荡活塞系统）耦合到定位器或指示器，以避免由于使轴穿过腔室的壁而导致的泄漏和过度磨损。
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公开(公告)号：US6065352A
公开(公告)日：2000-05-23
申请号：US335827
申请日：1999-06-18
申请人： William M. Schieber
发明人： William M. Schieber
CPC分类号： G01F1/10 , G01F1/1155 , G01F1/12
摘要： A turbine meter used for measuring the volume of fluid flowing through a conduit includes an elongated housing having an upstream end and a downstream end and a rotor mounted within the housing. A plurality of turbine blades are mounted on the rotor at an angle with respect to the axis of rotation of the rotor which causes each of the rotor blades to have a high pressure surface which faces toward the upstream end of the housing. Each of the rotor blades also has a trailing edge closest to the downstream end of the housing. An extension is included at approximately the trailing edge on the high pressure surface of at least one and preferably a plurality of the rotor blades. The extension has a length and forms an angle with respect to the high pressure surface of the rotor blade on which it is mounted which causes the percentage of error of the accuracy of the meter across a chosen operating range of the meter to be within predetermined limits.
摘要翻译： 用于测量流过管道的流体体积的涡轮仪包括具有上游端和下游端的细长壳体和安装在壳体内的转子。 多个涡轮机叶片相对于转子的旋转轴线成角度地安装在转子上，这使得每个转子叶片具有面向壳体的上游端的高压表面。 每个转子叶片还具有最靠近壳体下游端的后缘。 延伸件包括在至少一个且优选多个转子叶片的高压表面的大致后缘处。 该延伸部具有长度并且相对于其上安装的转子叶片的高压表面形成一个角度，这导致在仪表的所选操作范围内仪表的精度的误差百分比在预定限度内 。
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公开(公告)号：US3182504A
公开(公告)日：1965-05-11
申请号：US2650260
申请日：1960-05-03
申请人： ROCKWELL MFG CO
CPC分类号： G01F1/12 , G01F1/1155
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公开(公告)号：US3163041A
公开(公告)日：1964-12-29
申请号：US63466257
申请日：1957-01-17
申请人： ROCKWELL MFG CO
发明人： HENNING KARLBY , LEE WINSTON F Z
CPC分类号： H02K49/102 , F16C39/063 , G01F1/1155 , G01F15/066 , H02K5/128
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公开(公告)号：US3049009A
公开(公告)日：1962-08-14
申请号：US77275658
申请日：1958-11-10
申请人： FLOYD MCCALL , LLOYD MCCALL
发明人： FLOYD MCCALL , LLOYD MCCALL
IPC分类号： G01F1/115
CPC分类号： G01F1/1155
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公开(公告)号：US5929345A
公开(公告)日：1999-07-27
申请号：US657355
申请日：1996-06-03
申请人： Costanzo Gadini
发明人： Costanzo Gadini
CPC分类号： G01F1/1155 , G01F1/12
摘要： A device for monitoring the flow rate of a liquid has an impeller with a plurality of blades arranged within a duct wherein the liquid flows, and a sensor able to detect the rotation of the impeller. A variable distributor is mounted in the duct for modifying the ratio between the number of revolutions of the impeller and the rate liquid flow in the duct in order to control the resolution of the device.
摘要翻译： 用于监测液体流速的装置具有叶轮，其具有布置在管道内的多个叶片，其中液体流动，以及能够检测叶轮旋转的传感器。 可变分配器安装在管道中，用于改变叶轮的转数与管道中的液体流速之间的比率，以便控制装置的分辨率。
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公开(公告)号：US4175434A
公开(公告)日：1979-11-27
申请号：US897189
申请日：1978-04-17
CPC分类号： G01F7/00 , G01F1/1155
摘要： A compound meter assembly is provided having primary and secondary passageways housing a high flow rate meter and a low flow rate meter, respectively. A flow responsive first valve is disposed within the secondary passageway and moves to a substantially closed position when the liquid flow is increasing through the secondary passageway and exceeds a first predetermined rate. Upon substantial closing of the first valve the liquid flow is diverted from the secondary passageway to the primary passageway. A pressure responsive second valve is disposed within the primary passageway and is held in a closed position with respect to the primary passageway while the pressure drop is below a first predetermined amount across the meter. The second valve is forced to an open position when a substantial pressure impulse is momentarily exerted on the second valve. The pressure impulse is created when the liquid flow is diverted from the secondary passageway by substantial closing of the first valve. The second valve remains open due to the liquid flow through the primary passageway until such time as the flow rate drops below a second predetermined amount. After the pressure impulse has dissipated, the first valve will open again after the second valve has moved to its opened position.
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公开(公告)号：US4100799A
公开(公告)日：1978-07-18
申请号：US746536
申请日：1976-12-01
CPC分类号： G01F7/00 , G01F1/1155
摘要： A compound meter assembly is provided having primary and secondary passageways housing a high flow rate meter and a low flow rate meter, respectively. A flow responsive first valve is disposed within the secondary passageway and moves to a substantially closed position when the liquid flow is increasing through the secondary passageway and exceeds a first predetermined rate. Upon substantial closing of the first valve the liquid flow is diverted from the secondary passageway to the primary passageway. A pressure responsive second valve is disposed within the primary passageway and is held in a closed position with respect to the primary passageway while the pressure drop is below a first predetermined amount across the meter. The second valve is forced to an open position when a substantial pressure impulse is momentarily exerted on the second valve. The pressure impulse is created when the liquid flow is diverted from the secondary passageway by substantial closing of the first valve. The second valve remains open due to the liquid flow through the primary passageway until such time as the flow rate drops below a second predetermined amount. After the pressure impulse has dissipated, the first valve will open again after the second valve has moved to its opened position.
摘要翻译： 提供了具有分别容纳高流量计和低流量计的主要和次要通道的复合计量表组件。 当液体流量通过次级通道增加并且超过第一预定速率时，流动响应的第一阀被设置在次级通道内并且移动到基本关闭的位置。 在大致关闭第一阀时，液体流从次级通道转移到主通道。 压力响应第二阀设置在主通道内并且相对于主通道保持在关闭位置，同时压力下降超过仪表的第一预定量。 当在第二阀上施加相当大的压力脉冲时，第二阀被迫进入打开位置。 当液体流通过第一阀的大量闭合从第二通道转移时产生压力脉冲。 第二阀由于液体流过主通道而保持打开，直到流速下降到第二预定量的时间为止。 在压力脉冲消散之后，第二个阀门在第二个阀门已经移动到其打开位置之后再次打开。
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公开(公告)号：US3811323A
公开(公告)日：1974-05-21
申请号：US17867871
申请日：1971-09-08
申请人： HERSEY PROD INC
发明人： SWENSON G
CPC分类号： G01F1/1155
摘要： Liquid flow rate meter of the turbine type in which rotor thrust bearing unloading is achieved by downstream increase of effective flow rate area to produce a Bernoulli''s effect upstream force on the rotor.
摘要翻译： 涡轮类型的液体流量计，其中转子推力轴承卸载通过下游增加有效流量面积来实现，以产生伯努利在转子上的上游力。
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公开(公告)号：US2962895A
公开(公告)日：1960-12-06
申请号：US69291657
申请日：1957-10-28
申请人： JERSEY PROD RES CO
发明人： RUMBLE ROBERT C
CPC分类号： G01F1/1155 , E21B47/10 , G01F1/103
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