公开(公告)号：EP2901106A1

公开(公告)日：2015-08-05

申请号：EP12816177.5

申请日：2012-12-11

申请人： Rosemount Inc.

发明人： SMITH, Joseph, Alan ,  ROGERS, Steven, Bruce ,  MAYER, Michael, John ,  MORALES, Nelson, Mauricio ,  JUNK, Brian, Scott

IPC分类号： G01F1/58

CPC分类号： G01F1/586 ,  G01F1/588

摘要： A magnetic flowmeter (300) for sensing process fluid flow is provided. The flowmeter includes a tube (200, 319) configured to receive the process fluid flow therethrough. A plurality of electrodes (216) is disposed to contact process fluid. At least one electromagnetic coil (210, 212) is disposed proximate the tube (200, 319). Flowmeter electronics (130, 148) are configured to drive a current through at least one electromagnetic coil and to sense a signal developed across a plurality of electrodes (216) disposed to contact process fluid. A flexible circuit module (220) is disposed proximate the tube, and has at least one flexible circuit containing a plurality of electrical traces electrically coupled to the flowmeter electronics. The at least one electromagnetic coil (210, 212) includes a first coil in the flexible circuit module (220) that is coupled to the electrical traces.

公开(公告)号：EP3123122A1

公开(公告)日：2017-02-01

申请号：EP15769816.8

申请日：2015-03-20

申请人： Rosemount Inc.

发明人： SMITH, Joseph, Alan ,  ROGERS, Steven, Bruce ,  PETTIT, Jesse, Christopher ,  MORALES, Nelson, Mauricio

IPC分类号： G01F1/56

CPC分类号： G01F1/584 ,  G01F1/58 ,  G01F1/586 ,  G01F15/185

摘要： A wafer-type electromagnetic flow sensor (100) includes a single-piece chassis (130) having a pair of faces (127, 129) and a flow conduit (131) extending between the pair of faces (127, 129). Each face of the chassis (130) includes a feature (112) configured to engage a metal sealing ring (114). A non-conductive liner (132) is disposed in the flow conduit (131) of the single-piece chassis (130). A plurality of electromagnetic coils (134, 136) is configured to generate a flux into process fluid flowing through the flow conduit (131). A pair of electrodes (138) is configured to electrically couple to the process fluid. A feedthrough assembly (108) is configured to maintain process fluid pressure while allowing a plurality of electrical conductors (146, 148, 150, 152) to pass therethrough.

摘要翻译： 晶片式电磁流量传感器包括具有一对面的一体式底盘和在该对面之间延伸的流动导管。 所述笛子的每个面包括配置成接合金属密封环的特征。 非导电衬套设置在单件底盘的流动管道中。 多个电磁线圈被配置为产生流过流动管道的过程流体中的通量。 一对电极被配置为电耦合到工艺流体。 馈通组件被配置为保持过程流体压力，同时允许多个电导体穿过其中。

公开(公告)号：EP2901107A1

公开(公告)日：2015-08-05

申请号：EP13763166.9

申请日：2013-09-10

申请人： Rosemount Inc.

发明人： ROGERS, Steven, Bruce ,  SMITH, Joseph, Alan

IPC分类号： G01F1/58

CPC分类号： G01F1/584 ,  G01F1/588 ,  Y10T29/4902

摘要： A magnetic flowmeter (102) for measuring flow rate of a process fluid, includes a magnetic coil (222) arranged to apply a magnetic field to the process fluid. A pair of electrodes (224) are electronically coupled to the process fluid and arranged to sense a voltage induced in the process fluid related to the applied magnetic field and the flow rate of the process fluid. A molded flow tube (108) of a non-conductive material is arranged to receive a flow of the process fluid. The flow tube (108) is molded around the magnetic coil and the pair of electrodes and is configured to support the magnetic coil and the pair of electrodes (224). Flow meter circuitry (240) is configured to apply a current to the magnetic coil (222) and receive the resultant voltage sensed by the pair of electrodes (224).