Robert H Berry

US Patent:

6438837, Aug 27, 2002

Filed:

Mar 24, 2000

Appl. No.:

09/534048

Inventors:

Robert Randolph Berry - Greenville SC
Gene David Palmer - Clifton Park NY
Ian David Wilson - Clifton Park NY

Assignee:

General Electric Company - Schenectady NY

International Classification:

B23P 1500

US Classification:

29889, 298892, 29464

Abstract:

A method of stacking a plurality of wheels and spacers forming a rotor for a turbine, the wheels and spacers having a plurality of circumferentially spaced, axially extending openings spaced radially from axes of the wheels and spacers including providing a support fixture having an axis and disposing a plurality of alignment rods about the fixture in circumferentially spaced relation to one another about and generally parallel to the axis. Each of the rods has a cross-section with a radial dimension less than a circumferential dimension. The method includes disposing the wheels and spacers on the support fixture with the alignment rods extending through the openings with clearances between the rods and margins of the openings being greater in a radial direction than in a circumferential direction.

US Patent:

6481969, Nov 19, 2002

Filed:

May 10, 1999

Appl. No.:

09/309046

Inventors:

Robert Randolph Berry - Greenville SC
Gene David Palmer - Clifton Park NY

Assignee:

General Electric Company - Schenectady NY

International Classification:

F01D 500

US Classification:

416145, 416500, 74573 R

Abstract:

Dovetail-shaped grooves are formed in the axial faces and circumferential rims of wheels and spacers forming a rotor body. Complementary-shaped balance weights are inserted through entry apertures in the grooves and circumferentially aligned into adjusted balanced positions. Fasteners are threaded through the weights to engage in slots at circumferentially spaced positions along ribs projecting from the bases of the grooves. By threading the fastener into the slot and staking the fastener to the balance weight, the metal of the rotary component is not upset or deformed, with the result that the potential for development of cracks in the rotary component is substantially reduced.

US Patent:

7001144, Feb 21, 2006

Filed:

Feb 27, 2003

Appl. No.:

10/373845

Inventors:

John P. Urban - Greer SC, US
Pat Mohr - Greer SC, US
Emilio Fernandez - Taylors SC, US
Hui Kuang - Greenville SC, US
Robert R. Berry - Anderson SC, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

F01D 11/08

US Classification:

4151731, 4151734, 4151735, 416189, 416190

Abstract:

A bucket tip shroud in a gas turbine includes a seal rail having a cutter tooth at one end. Bucket tip shroud creep rate can be reduced by removing the cutter tooth from the bucket tip shroud seal rail after use or with a pre-groove honeycomb shroud. Preferably, the remaining geometry matches a geometry of the seal rail within a predetermined tolerance.

US Patent:

7001151, Feb 21, 2006

Filed:

Mar 2, 2004

Appl. No.:

10/708417

Inventors:

John Z. Wang - Greenville SC, US
Mark J. Bailey - Simpsonville SC, US
Robert R. Berry - Rolling Hills Estates CA, US
Emilio Fernandez - Taylors SC, US

Assignee:

General Electric Company - Schnectady NY

International Classification:

F01D 5/18

US Classification:

416 92, 416 96 R, 416241 R, 4151731

Abstract:

A tip cap for a turbine blade. The tip cap may include a HS-188 sheet material with a thickness of less than about 0. 079 inches (about 2 millimeters) and a number of holes positioned in the sheet material.

US Patent:

7377036, May 27, 2008

Filed:

Oct 5, 2004

Appl. No.:

10/957575

Inventors:

Jere A. Johnson - Greenville SC, US
Mark J. Bailey - Simpsonville SC, US
Mark D. Pezzutti - Mason OH, US
James Christopher Monaghan - Moore SC, US
Ron Souther - Campobello SC, US
Robert R. Berry - Anderson SC, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B23P 6/00
F02C 1/00
F01D 5/14

US Classification:

298891, 2988921, 2988922, 294011, 60742, 60780, 415115, 416181

Abstract:

A fuel nozzle assembly for a gas turbine includes a plurality of circumferentially spaced vanes with holes for flowing fuel from plenums within the vanes through holes in the vane walls for premixing with air. To tune the nozzle assembly, the holes are resized by reforming the existing holes to a predetermined hole size, securing plugs into the holes, and forming holes through at least certain of the plugs to diameters less than the diameter of the existing holes.

US Patent:

20060230763, Oct 19, 2006

Filed:

Apr 13, 2005

Appl. No.:

11/104549

Inventors:

Jere Johnson - Greenville SC, US
Mark Bailey - Simpsonville SC, US
Robert Berry - Anderson SC, US
Stewart Beitz - Greenville SC, US
James Monaghan - Moore SC, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

F23R 3/42

US Classification:

060740000, 060752000

Abstract:

The cap assembly of a turbine combustor includes a plurality of burner tubes sealed against fuel nozzles extending in the tubes. These piston seals are coated with a high velocity oxygen fuel coating to extend their service life. The outer cap body assembly includes concentric seal rings each with cantilevered convex fingers circumferentially offset from one another to seal between the cap assembly casing and the inner liner. The cap assembly casing is provided with a plurality of holes at predetermined locations about the casing to minimize or eliminate response to combustion dynamics.

US Patent:

6158102, Dec 12, 2000

Filed:

Mar 24, 1999

Appl. No.:

9/275633

Inventors:

Robert Randolph Berry - Greenville SC
Gene David Palmer - Clifton Park NY
Ian David Wilson - Clifton Park NY

Assignee:

General Electric Co. - Schenectady NY

International Classification:

B25B 2714

US Classification:

292815

Abstract:

A gas turbine rotor stacking fixture includes upstanding bolts for reception in aligned bolt holes in superposed aft disk, wheels and spacers and upstanding alignment rods received in openings of the disk, wheels and spacers during the rotor stacking assembly. The axially registering openings enable insertion of thin-walled tubes circumferentially about the rim of the rotor, with tight tolerances to the openings to provide supply and return steam for cooling buckets. The alignment rods have radial dimensions substantially less than their dimensions in a circumferential direction to allow for radial opening misalignment due to thermal expansion, tolerance stack-up and wheel-to-spacer mismatch due to rabbet mechanical growth. The circumferential dimension of the alignment rods affords tightly toleranced alignment of the openings through which the cooling tubes are installed.