Patents by Inventor Michael J. Agg

Michael J. Agg 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).

  • High pressure compressor thermal management
    Patent number: 9816963
    Abstract: A gas turbine engine includes an inner shaft extending axially along the gas turbine engine, a plurality of disks extending radially inwardly and toward the inner shaft, at least one hole in at least one of the plurality of disks, and an obstruction positioned between the inner shaft and an end of the disk having the at least one hole, such that a bore flow that flows along an axial length of the inner shaft is obstructed from flowing along the shaft by the obstruction, and forced to flow radially outward from the obstruction, through the at least one hole, and radially inward toward the inner shaft.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: November 14, 2017
    Assignees: Rolls-Royce North American Technologies, Inc., Rolls-Royce PLC
    Inventors: Daniel K. Vetters, Simon Mizzi, Michael J. Agg
  • HIGH PRESSURE COMPRESSOR THERMAL MANAGEMENT
    Publication number: 20140248122
    Abstract: A gas turbine engine includes an inner shaft extending axially along the gas turbine engine, a plurality of disks extending radially inwardly and toward the inner shaft, at least one hole in at least one of the plurality of disks, and an obstruction positioned between the inner shaft and an end of the disk having the at least one hole, such that a bore flow that flows along an axial length of the inner shaft is obstructed from flowing along the shaft by the obstruction, and forced to flow radially outward from the obstruction, through the at least one hole, and radially inward toward the inner shaft.
    Type: Application
    Filed: December 27, 2013
    Publication date: September 4, 2014
    Applicants: Rolls-Royce PLC, Rolls-Royce North American Technologies, Inc.
    Inventors: Daniel K. Vetters, Simon Mizzi, Michael J. Agg