Cameron International Corporation

Ernest Hauser

Robert C Miller

Donald Roy Augenstein

Herbert Estrada

Calvin R Hastings

Matthew Mihalcin

An apparatus for detecting and measuring gas voids in a pipe with a fluid includes a first ultrasonic transducer externally disposed on the pipe. The apparatus includes a second ultrasonic transducer externally disposed on the pipe. The apparatus includes a multiplexer, transmitter, receiver, controller and processor in communication with the first transducer and the second transducer which in combination identify a void in the pipe from ultrasonic measurements of properties of the fluid in the pipe. A method for detecting and measuring gas voids in a pipe with a fluid includes the steps of measuring properties of the fluid internal to the pipe with transmissions of ultrasonic energy from transducers externally disposed on the pipe. There is the step of identifying a void in the pipe from the properties of the fluid internal to the pipe using signals processed by processor.

Method and apparatus for detecting voids in a pipe

An apparatus for determining the flow rate of a fluid in a pipe. The apparatus includes a device for providing acoustic energy on a diametrical path through the fluid. The diametrical providing device is in contact with the pipe. The apparatus also includes a signal processing device for determining the speed of sound of the fluid in the pipe based on the acoustic energy of the diagonal providing device and the acoustic energy of the diametrical providing device. A method for determining the sound velocity of a fluid in a pipe.

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Pittsburgh, PA, United States of America

Ernest Hauser