Flow Meter Free Patent Search

  • Heating resistor type air flow meter with separate/processing unit

    Flow Meter Abstract: A flow rate of air flowing through an air inlet pipe is detected by a heating resistor disposed therein and converted into an electric signal. A digital processing unit carries out calculation to judge whether or not the converte...

  • Gas flow meter

    Flow Meter Abstract: An improved gas flow meter which measures the time of travel of a soap film through a fixed volume to compute gas flow rate. A portable meter includes infrared sensors which detect the passing of a soap film, a timing circuit to...

  • Electromagnetic flow meter

    Flow Meter Abstract: An electromagnetic flow meter comprises a ceramic measuring pipe formed into a straight cylinder through which fluid to be measured flows, electromagnetic field generating device disposed adjacent to a central portion of an outer...

  • Volume flow meter

    Flow Meter Abstract: In a volume flow meter with a measuring line, a first measuring head and a second measuring head, the flow volume can be measured more simply and more reliably using evaluation technology by having the measuring line made of a ma...

  • Acoustic displacement flow meter

    Flow Meter Abstract: An acoustic displacement flowmeter uses a high-compliance acoustic-type displacement transducer to measure fluid flow accumulated by temporarily restricting the flow of a fluid along a path. The displacement transducer signal, re...

  • Apparatus and method for measuring two-or three-phase fluid flow utilizing one or more momentum flow

    Flow Meter Abstract: An apparatus and method for measuring the flow rates of each component of two-phase flow consisting of a gas and a liquid or three-phase flow consisting of water, oil and gas, including a first volumetric flow meter stage, and se...

  • Electromagnetic flow meter

    Flow Meter Abstract: An electromagnetic flow meter for industries includes a transducer and a signal processor provided separately from the transducer. The transducer having an exciting circuit, an amplifying and calculating part and a transmitting p...

  • Fluid flow meter

    Flow Meter Abstract: The fluid flow meter includes a flexible membrane formed of a flexible material and containing an apparatus for providing the membrane with resilience for undulation. The membrane is mounted in the fluid flow path such that the p...

  • Mass flow meter

    Flow Meter Abstract: A mass flow meter for flowing media that works on the Coriolis Principle has at least one essentially straight Coriolis pipeline carrying the flowing medium, with at least one oscillator acting on the Coriolis pipeline and with a...

  • Coriolis type mass flow meter

    Flow Meter Abstract: Measurement of a mass flow rate is accomplished by equalizing the output amplitude values of upstream and downstream sensors without causing a lowering of the mechanical Q of a vibration system. One of the upstream and downstream...

  • Closely coupled, dual turbine volumetric flow meter

    Flow Meter Abstract: A meter is provided for measuring the volumetric flow of a fluid in a conduit. The meter comprises a pair of turbine assemblies. Each of the turbine assemblies are adapted to have a speed of rotation representative of a volumetri...

  • Housing assembly for flow meter

    Flow Meter Abstract: An improved industrial meter housing assembly includes a compactly designed metal housing having a central trefoil shaped chamber and minimal length inlet and outlet ports in fluid communication with the chamber with the ports en...

  • Variable area flow meter

    Flow Meter Abstract: A variable area flow meter (10) for monitoring the rate of flow of a cooling and lubricating fluid medium about a pump seal, having a transparent flow tube (27) through which the fluid flows. An indicating and cleaning assembly (...

  • Exothermic resistor element and thermal process air flow meter using the same

    Flow Meter Abstract: In the thermal process air flow meter according to the invention first, second and third electrode terminals are arranged on the same surface at one end of a substrate. A first exothermic resistor is connected between the first a...

  • Pulsed flow meter

    Flow Meter Abstract: A movable magnet is captured in and biased toward one end of a passage. A pulse of flow moves this magnet and this movement is sensed by a sensor which sends a signal. A range adjusting channel with a valve therein permits adjust...

  • Acoustic displacement flow meter

    Flow Meter Abstract: An acoustic displacement flowmeter uses a high-compliance acoustic-type displacement transducer to measure fluid flow accumulated by temporarily restricting the flow of a fluid along a path. The displacement transducer signal, re...

  • Liquid flow meter

    Flow Meter Abstract: An improved liquid flow meter for measuring moderate to low liquid flow rates with improved accuracy and minimal back pressure. The flow meter has a housing with two halves, a cover and a body, that fit together around a impeller...