Yamatake Corporation

Azbil Corporation

Hiroyuki Inagaki

Osamu Momose

Shigeru Aoshima

Takeshi Watanabe

Yoshio Yamazaki

Isamu Warashina

Kouichi Mamada

Takumi Yamashita

Hiroshi Hatakeyama

Junichi Isetani

A pipe hole to which a measuring pipe is to be press-fitted is formed in a printed board, and a guide to be fitted to a side end portion of the printed board inserted through an opening is formed on or in an inner wall of a case.

Measuring pipe press fitted in a pipe hole of a circuit board with a guide provided on an inner wall of a case body

A preamplifier substrate on which a preamplifier is mounted, the preamplifier being configured to amplify electromotive forces detected by a pair of surface electrodes, is disposed outside a flux region where a magnetic flux is produced, and the preamplifier substrate extends in a direction intersecting a measuring tube.

Capacitive electromagnetic flowmeter

A first connection line includes a first tube-side wiring pattern formed on an outer periphery of a measuring tube and connected at one end thereof to a first surface electrode, a first substrate-side wiring pattern formed on a preamplifier substrate and connected at one end thereof to a preamplifier, and a first jumper wire connecting the other end of the first tube-side wiring pattern to the other end of the first substrate-side wiring pattern; and a second connection line includes a second tube-side wiring pattern formed on the outer periphery of the measuring tube and connected at one end thereof to a second surface electrode, a second substrate-side wiring pattern formed on the preamplifier substrate and connected at one end thereof to the preamplifier, and a second jumper wire connecting the other end of the second tube-side wiring pattern to the other end of the second substrate-side wiring pattern.

An electromagnetic flowmeter includes a measuring tube, first and second printed circuit boards fixed to the measuring tube, a housing accommodating the measuring tube and the first and second printed circuit boards and supporting the first and second printed circuit boards, joints made of an electrically conductive material and fixed to the housing, each joint having a cylindrical portion that forms a fluid passage in cooperation with the measuring tube, and connecting components each sandwiched by a corresponding one of the first and second printed circuit boards and a corresponding one of the cylindrical portions. Each connecting component is configured to elastically deform to reduce a distance between one end and the other end of the connecting component. Each connecting component electrically connects a corresponding one of the cylindrical portions to a shield pattern (electrically conductive portion) of a corresponding one of the first and second printed circuit boards.

Electromagnetic flowmeter

To provide a flow meter, and a flow volume controlling device equipped therewith, capable of reducing pressure loss while obtaining a flow rectifying effect in a measurement fluid. A flow meter for measuring the flow volume of a measurement fluid, equipped with a flow path wherein the measuring fluid flows, and a flow rectifier that is disposed within the flow path, where the flow rectifier has holes for rectifying the flow of a measurement fluid, and has an area that is wider than the flow path cross-sectional area in a direction that is perpendicular to the direction in which the flow path extends. The flow volume controlling device is provided with the flow meter, a controlling valve, and controlling means for adjusting the flow volume of a fluid that flows through the flow path of the flow meter through controlling the controlling valves based on information regarding the flow volume detected by the flow meter.

Flow meter and flow volume controlling device

To provide a highly accurate flow meter. A Flow meter comprising an inflow opening into which a measurement fluid flows, an outflow opening from which a measurement fluid flows, and a flow path connecting the inflow opening and the outflow opening, wherein the flow path is bent at a first bend portion, wherein: a first porous plate is disposed in the first bend portion of the flow path at an angle relative to the direction in which the flow path extends before and after the first bend portion, and a flow sensor for detecting the flow speed or flow volume of a measurement fluid that flows in the flow path, disposed on the inner wall of the flow path on the outflow opening side of the first bend portion.

Flow meter and flow controlling device

To provide a flowmeter producing stable measurement results and coincidentally achieving miniaturization, a bent portion is provided in a flow path located between an inlet port of fluids to the flowmeter and a second flow path at which a sensor detecting a flow rate is positioned, thus forming at a sensor an almost uniform flow-velocity distribution in cross-section of the fluids and a reproducible and constant flow-velocity distribution.

Flowmeter having a bent inlet passage for constant flow-velocity distribution

A path detector is constructed so that a path block body, which forms a given path and which has a flow sensor interposed in the path, and a circuit board having an electric circuit mounted thereon are accommodated in a rectangular parallelepiped or cubic housing. An indicator and an operation switch are provided in a front surface portion of the housing that is exposed at a front surface of a given panel when the housing is fixed to the panel. The path in the path block body is U-shaped path and has an inlet and an outlet in a back surface portion of the housing. A terminal for external connection of the circuit board is also disposed in the back surface portion of the housing.

Flow rate detector and flow controller

An air suction passage (A,B) is provided with a pick and place confirming sensor () comprising a gas flow sensor. The pick and place confirming sensor () measures the flow rate of air sucked in from an air suction port () of a pick and place nozzle (). The presence or absence of a part lifted to the pick and place nozzle () is detected on the basis of the measurement result.

Growing community of inventors

Tokyo, Japan

Hiroyuki Inagaki