Patents by Inventor Darrel L. Perlau

Darrel L. Perlau 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).

  • Publication number: 20140083694
    Abstract: A system is provided for improved steam generation. The system includes at least two steam systems, wherein a wet steam output from a first steam system is passed through a first separator. The first separator configured to separate dry steam from condensate, and a piping connection is configured to blend the condensate with a boiler feed water stream at the inlet of a second steam system.
    Type: Application
    Filed: April 4, 2012
    Publication date: March 27, 2014
    Applicant: Hitachi, Ltd.
    Inventors: George R. Scott, Brian P. Head, Brian C. Speirs, Thomas J. Boone, Darrel L. Perlau, William C. Carlson
  • Publication number: 20140083706
    Abstract: A steam system is provided that includes a steam generator including boiler tubes that are modified to form a number of intermediate take-offs for removing water and steam from the boiler tubes. A number of intermediate separators are provided to separate the water and steam at each of the intermediate take-offs. Intermediate couplings are used to inject the water back into the boiler tubes downstream of each of the plurality of intermediate take-offs.
    Type: Application
    Filed: April 10, 2012
    Publication date: March 27, 2014
    Inventors: George R. Scott, Brian P. Head, Brian C. Speirs, Thomas J. Boone, Darrel L. Perlau, William C. Carlson