Patents Assigned to ENDRESS + FLOWTEC AG
  • Publication number: 20130283904
    Abstract: A thermal, flow measuring device and method for measuring the flow of a measured medium. During a heating phase of predetermined length a constant heating current of a first electrical current source flows through a first resistor. During a first measuring phase of predetermined length a constant measurement current of a second electrical current source flows through the first resistor. During the first measuring phase a first voltage falls across the first resistor, wherein during a second measuring phase of predetermined length during the first measuring cycle the constant measurement current of the second electrical current source flows through a second resistor.
    Type: Application
    Filed: November 23, 2011
    Publication date: October 31, 2013
    Applicant: Endress + Flowtec AG
    Inventors: Martin Arnold, Michel Wagner
  • Publication number: 20080060448
    Abstract: A device for determining and/or monitoring volume and/or mass flow rate of a medium that flows in a direction of flow through a pipeline/measuring tube of inner diameter. The device comprises at least two ultrasonic transducers that emit and/or receive ultrasonic measuring signals along defined sonic paths and a control/evaluation device which determines the volume flow rate and/or the mass flow rate of the medium to be measured inside said pipeline/measuring tube based on the ultrasonic measuring signals according to the travel-time difference principle. In order to provide a multichannel ultrasonic flowmeter, at least one reflector element is placed in the interior of the pipeline/measuring tube. The reflector element has a defined distance from the inner surface of the pipeline/measuring tube and is placed within the sonic path of the ultrasound measuring signals running through the pipeline/measuring tube.
    Type: Application
    Filed: October 25, 2005
    Publication date: March 13, 2008
    Applicant: ENDRESS + FLOWTEC AG
    Inventors: Achim Wiest, Andreas Berger