Patents by Inventor Raafat A. Kammel

Raafat A. Kammel 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).

  • Crowned rails for supporting arcuate components
    Patent number: 8096755
    Abstract: A flange for supporting arcuate shrouds and shroud hangers comprising at least one arcuate rail, each arcuate rail having an inner radius, a first taper location, a first taper region, a second taper location, a second taper region, wherein the thickness of at least a portion of the first taper region is tapered and wherein the thickness of at least a portion of the second taper region is tapered.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: January 17, 2012
    Assignee: General Electric Company
    Inventors: Raafat A. Kammel, Humphrey W. Chow, Michael Peter Kulyk
  • Cantilevered nozzle with crowned flange to improve outer band low cycle fatigue
    Patent number: 7798775
    Abstract: A flange for supporting arcuate components comprising at least one arcuate rail, each arcuate rail having an inner radius, a first taper location, a first taper region, a second taper location, a second taper region, wherein the thickness of at least a portion of the first taper region is tapered and wherein the thickness of at least a portion of the second taper region is tapered.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: September 21, 2010
    Assignee: General Electric Company
    Inventors: Raafat A. Kammel, Humphrey W. Chow, Michael Peter Kulyk
  • Turbine airfoil with weight reduction plenum
    Patent number: 7413409
    Abstract: An airfoil for a gas turbine engine includes: opposed pressure and suction sidewalls extending between spaced-apart leading and trailing edges, a root, and a tip; and a hollow plenum disposed between the sidewalls. The plenum has a chordwise first dimension at a radially outer end thereof, and a chordwise second dimension at a radially inner end thereof. The second dimension is substantially less than the first dimension.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: August 19, 2008
    Assignee: General Electric Company
    Inventors: Matthew Taylor Lewis, Nigel Brian Thomas Langley, Raafat Kammel
  • Crowned rails for supporting arcuate components
    Publication number: 20080152485
    Abstract: A flange for supporting arcuate shrouds and shroud hangers comprising at least one arcuate rail, each arcuate rail having an inner radius, a first taper location, a first taper region, a second taper location, a second taper region, wherein the thickness of at least a portion of the first taper region is tapered and wherein the thickness of at least a portion of the second taper region is tapered.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 26, 2008
    Inventors: Raafat A. Kammel, Humphrey W. Chow, Michael Peter Kulyk
  • Cantilevered nozzle with crowned flange to improve outer band low cycle fatigue
    Publication number: 20080152488
    Abstract: A flange for supporting arcuate components comprising at least one arcuate rail, each arcuate rail having an inner radius, a first taper location, a first taper region, a second taper location, a second taper region, wherein the thickness of at least a portion of the first taper region is tapered and wherein the thickness of at least a portion of the second taper region is tapered.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 26, 2008
    Inventors: Raafat A. Kammel, Humphrey W. Chow, Michael Peter Kulyk
  • TURBINE AIRFOIL WITH WEIGHT REDUCTION PLENUM
    Publication number: 20070189904
    Abstract: An airfoil for a gas turbine engine includes: opposed pressure and suction sidewalls extending between spaced-apart leading and trailing edges, a root, and a tip; and a hollow plenum disposed between the sidewalls. The plenum has a chordwise first dimension at a radially outer end thereof, and a chordwise second dimension at a radially inner end thereof. The second dimension is substantially less than the first dimension.
    Type: Application
    Filed: February 14, 2006
    Publication date: August 16, 2007
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Matthew Lewis, Nigel Langley, Raafat Kammel