公开(公告)号：US09110474B2

公开(公告)日：2015-08-18

申请号：US14318499

申请日：2014-06-27

Applicant: Flow Control Industries, Inc.

Inventor： Paul K. Skoglund ,  Art Smith ,  Ben Trueblood ,  Christopher J. Robson ,  Mark W. Kirchner

IPC: F16K37/00 ,  F28F27/00 ,  G01F1/34 ,  G01F1/36 ,  G01F1/37 ,  G01F1/50 ,  G01F1/74 ,  G01F1/88 ,  G01F15/00 ,  G01F25/00 ,  G01K13/02 ,  G01K15/00 ,  G01L19/00 ,  G05B15/02 ,  G05D7/06 ,  G05D16/20

CPC classification number: G05D16/2013 ,  F16K37/00 ,  F28F27/00 ,  G01F1/34 ,  G01F1/363 ,  G01F1/37 ,  G01F1/50 ,  G01F1/74 ,  G01F1/88 ,  G01F15/005 ,  G01F25/0007 ,  G01K13/02 ,  G01K15/00 ,  G01K15/002 ,  G01L19/0007 ,  G01L19/0092 ,  G05B15/02 ,  G05D7/0635 ,  G05D7/0688 ,  G05D7/0694 ,  Y10T137/0324 ,  Y10T137/0379

Abstract: Apparatus, systems, and methods related to a constant-flow control valve and BTU meter assembly that has a pressure independent, constant-flow control valve assembly connectable to the fluid-based heating or cooling system. A valve stem is connected to a valve member and is rotatable as a unit relative to a valve body to change the position of valve member to change a fluid flow rate through the valve. The valve member's position relative to the fluid path is directly related to the fluid flow rate. Pressure sensors measure the pressure of fluid entering and exiting the valve body. A BTU meter assembly is connected to the valve stem, which is rotatable relative to the BTU meter assembly. A position sensor of the BTU meter assembly detects a rotational position of the valve stem relative to the BTU body. A controller of the BTU meter assembly is coupleable to the position sensor, the pressure sensors, and the temperature sensors, and the controller determines the fluid flow rate based upon the pressure drop across the valve assembly and the rotational position of the valve stem. The controller also determines energy usage of the heating or cooling device based upon the flow rate and the temperature change across the heating or cooling device.

Abstract translation: 与恒流控制阀和BTU仪表组件相关的装置，系统和方法，其具有可连接到基于流体的加热或冷却系统的独立于压力的恒流控制阀组件。 阀杆连接到阀构件并且可相对于阀体作为单元旋转以改变阀构件的位置以改变通过阀的流体流速。 阀构件相对于流体路径的位置与流体流速直接相关。 压力传感器测量进入和离开阀体的流体的压力。 BTU仪表组件连接到阀杆，阀杆可相对于BTU表组件旋转。 BTU仪表组件的位置传感器检测阀杆相对于BTU体的旋转位置。 BTU仪表组件的控制器可耦合到位置传感器，压力传感器和温度传感器，并且控制器基于阀组件上的压降和阀杆的旋转位置来确定流体流量。 控制器还基于加热或冷却装置的流量和温度变化来确定加热或冷却装置的能量消耗。

公开(公告)号：US20150090050A1

公开(公告)日：2015-04-02

申请号：US14039006

申请日：2013-09-27

Applicant: Rosemount Inc.

Inventor： David Eugene Wiklund

IPC: G01F1/46

CPC classification number: G01F1/46 ,  G01F1/37

Abstract: A differential pressure flow measurement system includes a pressure sensor coupled to measurement circuitry. An elongate probe is configured to be inserted into a conduit which carries a flow of process fluid. The pressure sensor senses a pressure difference in the fluid flow generated as the fluid flows past the probe. A vortex shedding stabilizer is positioned proximate the elongate probe and in the flow of process fluid. The vortex shedding stabilizer is configured to stabilize vortex shedding in the flow of fluid proximate the elongate probe.

Abstract translation: 差压流量测量系统包括耦合到测量电路的压力传感器。 细长探针构造成插入到承载流动流体的管道中。 压力传感器检测当流体流过探头时产生的流体流中的压力差。 涡流脱落稳定器定位在细长探针附近和处理流体流中。 涡流脱落稳定器被配置为稳定靠近细长探针的流体流中的涡流脱落。

公开(公告)号：US20060230837A1

公开(公告)日：2006-10-19

申请号：US11105934

申请日：2005-04-13

Applicant: Robert Wilson

Inventor： Robert Wilson

IPC: G01L15/00

CPC classification number: G01F1/40 ,  G01F1/37 ,  G01F1/42 ,  G01F1/44 ,  G01L7/18

Abstract: The present embodiments provide methods, apparatuses, and systems for use in measuring volume of fluid flow and/or pressures. Some embodiments providing apparatuses for use in measuring pressures include a manometer comprising a conduit with a curved portion that is substantially half parabolic in shape. A pattern of markings is spaced along the curved portion of the conduit, and a displacement fluid is maintained within the conduit such that the displacement fluid is forced along at least a portion of the curved portion of the conduit when the manometer is subject to a pressure difference.

Abstract translation: 本实施例提供了用于测量流体流量和/或压力体积的方法，装置和系统。 提供用于测量压力的设备的一些实施例包括压力计，其包括具有基本上半抛物形形状的弯曲部分的导管。 标记的图案沿着管道的弯曲部分间隔开，并且位移流体保持在管道内，使得当压力计经受压力时，位移流体被迫沿管道的弯曲部分的至少一部分 区别。

公开(公告)号：US20050241413A1

公开(公告)日：2005-11-03

申请号：US11181174

申请日：2005-07-14

Applicant: Robert Brandt

Inventor： Robert Brandt

IPC: G01F1/37 ,  G01F1/44 ,  G01F1/46 ,  G01F1/66 ,  G01F1/708

CPC classification number: G01F1/37 ,  G01F1/44 ,  G01F1/46 ,  G01F1/661 ,  G01F1/667

Abstract: A method and apparatus for fluid flow straightening and measurement introduces a high beta nozzle or venturi in-line with existing conduit. A fluid velocity measuring device is positioned in the throat of the high beta nozzle and measurements of velocity at multiple points in a plane perpendicular to the direction of fluid flow are taken. The velocity data points are then averaged and produce an output signal from which fluid flow rate can be determined.

Abstract translation: 用于流体流动矫直和测量的方法和装置引入与现有管道一致的高β喷嘴或文丘里管。 流体速度测量装置定位在高β喷嘴的喉部，并且在垂直于流体流动方向的平面中的多个点处测量速度。 然后对速度数据点进行平均，并产生可以确定流体流速的输出信号。

公开(公告)号：US20050109122A1

公开(公告)日：2005-05-26

申请号：US10960276

申请日：2004-10-08

Applicant: Boaz Misholi ,  Mark Shahar ,  Sajed Haj-Yahya

Inventor： Boaz Misholi ,  Mark Shahar ,  Sajed Haj-Yahya

IPC: A61B5/087 ,  G01F1/37 ,  G01F1/40

CPC classification number: G01F1/46 ,  A61B5/087 ,  G01F1/37 ,  G01F1/40

Abstract: A respiratory tract differential-pressure flow sensor, including a tube having a distal end that is insertable into a respiratory tract, an interfering body disposed within the tube proximal to the distal end and having a first edge facing one end of the tube and a second edge facing away from the end, the interfering body extending across the diameter of the tube, a first pressure sensing port operative to sense an air pressure, the first port being disposed in the first edge not abutting the wall of the tube, and a second pressure sensing port operative to sense an air pressure, the second port being disposed in the second edge not abutting the wall of the tube, where either of the edges is inclined inwardly towards the axis of the interfering body extending across the diameter of the tube.

Abstract translation: 一种呼吸道差压流量传感器，包括具有可插入呼吸道的远端的管，设置在所述管内靠近所述远端并具有面向所述管的一端的第一边缘的干扰体， 所述干涉体横跨所述管的直径延伸，所述干扰体延伸穿过所述管的直径，第一压力感测端口，用于感测空气压力，所述第一端口设置在所述第一边缘中，而不邻接所述管的壁;以及第二 压力感测端口可操作以感测空气压力，第二端口设置在第二边缘中，而不是邻接管的壁，其中任一边缘向内倾斜朝向穿过管的直径延伸的干涉体的轴线。

公开(公告)号：US06802225B2

公开(公告)日：2004-10-12

申请号：US10200764

申请日：2002-07-24

Applicant: Mark Shahar ,  Boaz Misholi ,  Sajed Haj-Yahya

Inventor： Mark Shahar ,  Boaz Misholi ,  Sajed Haj-Yahya

IPC: G01F137

CPC classification number: A61M16/0816 ,  A61B5/087 ,  A61M16/04 ,  A61M16/0431 ,  A61M16/0833 ,  A61M16/0858 ,  A61M2016/0027 ,  A61M2016/0036 ,  G01F1/37 ,  G01F1/40 ,  G01F1/46

Abstract: A differential-pressure flow sensor for airflow measurement in the presence of water condensation, for use with mechanical ventilators. The pressure-sensing ports at either end of the interfering body are displaced from the inner surface of the surrounding tubing, so as to prevent obstruction of the pressure-sensing ports by free flowing condensed water. The leading edge of the interfering body is angulated so as to deflect airflow towards the pressure-sensing port on the trailing edge of the interfering body, thereby flushing water droplets away from the port. The sides of the interfering body are sloped so as to generate turbulent boundary layer airflow at areas distant from the pressure-sensing ports, thereby encouraging water condensation away from the ports.

Abstract translation: 用于在水冷凝存在下进行气流测量的差压流量传感器，用于机械通气机。 干扰体的任一端处的压力感测端口从周围管道的内表面移位，以便防止压力感测端口由自由流动的冷凝水阻塞。 干扰体的前缘是有角度的，从而使气流朝向干扰体的后缘上的压力感测端口偏转，从而将水滴从端口冲洗掉。 干扰体的侧面是倾斜的，以便在远离压力感测端口的区域处产生湍流边界层气流，从而促使水从端口流出。

公开(公告)号：US3315527A

公开(公告)日：1967-04-25

申请号：US40576764

申请日：1964-10-22

Applicant: FOSTER-PEGG RICHARD W

Inventor： FOSTER-PEGG RICHARD W

IPC: G01F1/37 ,  G01L7/18 ,  G01L15/00

CPC classification number: G01F1/37 ,  G01L7/182 ,  G01L15/00

公开(公告)号：US2595385A

公开(公告)日：1952-05-06

申请号：US60454845

申请日：1945-07-12

Applicant: ASKANIA REGULATOR CO

Inventor： JESSE JOHNSTON ,  VAALER JOHN C

IPC: G01F1/37

CPC classification number: G01F1/37 ,  Y10T137/87161

公开(公告)号：US2045413A

公开(公告)日：1936-06-23

申请号：US62375932

申请日：1932-07-21

Applicant: ANNIE GAGE ROWLAND ,  HOOKER ELECTROCHEMICAL CO

IPC: G01F1/37

CPC classification number: G01F1/37

公开(公告)号：US1827813A

公开(公告)日：1931-10-20

申请号：US66155023

申请日：1923-09-08

Applicant: WESTINGHOUSE ELECTRIC & MFG CO

Inventor： HILL LELAND H

IPC: G01F1/37

CPC classification number: G01F1/37