Patents by Inventor Chelsea Erin LaHaye

Chelsea Erin LaHaye has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for anaerobic sludge digestion mixing and heat exchange
    Patent number: 10988396
    Abstract: The embodiments herein disclose a method and apparatus for mixing sludge retained in a digester. A jet nozzle assembly for mixing contents of a vessel is used. The jet nozzle assembly having a central outlet pipe terminating at a jet nozzle, a low pressure nozzle assembly disposed concentrically about the central outlet pipe, the low pressure low pressure nozzle having a plurality of openings disposed circumferentially about the low pressure nozzle assembly. The plurality of openings are an axial distance from the outlet jet nozzle.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: April 27, 2021
    Assignee: Chicago Bridge & Iron Co.
    Inventors: David Thomas Creech, Koray Kuscu, Chelsea Erin LaHaye, Stephen Hsu
  • METHOD AND APPARATUS FOR ANAEROBIC SLUDGE DIGESTION MIXING AND HEAT EXCHANGE
    Publication number: 20190337828
    Abstract: The embodiments herein disclose a method and apparatus for mixing sludge retained in a digester. A jet nozzle assembly for mixing contents of a vessel is used. The jet nozzle assembly having a central outlet pipe terminating at a jet nozzle, a low pressure nozzle assembly disposed concentrically about the central outlet pipe, the low pressure low pressure nozzle having a plurality of openings disposed circumferentially about the low pressure nozzle assembly. The plurality of openings are an axial distance from the outlet jet nozzle.
    Type: Application
    Filed: April 5, 2019
    Publication date: November 7, 2019
    Applicant: Chicago Bridge & Iron Co.
    Inventors: David Thomas Creech, Koray Kuscu, Chelsea Erin LaHaye, Stephen Hsu