Ruthann M Rawlings from 8113 SE Sand Crane Pl, Hobe Sound, FL 33455, age 47

Application Of Dense Vertically Cracked And Porous Thermal Barrier Coating To A Gas Turbine Component
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US Patent:

8511993, Aug 20, 2013
Filed:

Aug 14, 2009
Appl. No.:

12/541266
Inventors:

Dana Kemppainen - Jensen Beach FL, US
RuthAnn Rawlings - Stuart FL, US
Robert Moore - Palm City FL, US
Assignee:

Alstom Technology Ltd. - Baden
International Classification:

F01D 5/28
US Classification:

416 97R, 416241 B, 416241 R
Abstract:

A configuration for coating a turbine component such as a blade or vane with various forms of thermal barrier coating to provide enhanced temperature capability and increased strain tolerance is disclosed. A gas path surface of the platform, airfoil and airfoil fillet region are first coated with a bond coating. A dense vertically cracked (DVC) thermal barrier coating is then applied to at least the gas path surface of the platform and can be applied to the fillet region. A porous thermal barrier coating is then applied to at least the airfoil. The porous thermal barrier coating can also be applied over the DVC thermal barrier coating if desired.

Axial Retention Of A Platform Seal
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US Patent:

8573942, Nov 5, 2013
Filed:

Nov 25, 2008
Appl. No.:

12/277471
Inventors:

James Page Strohl - Stuart FL, US
RuthAnn Rawlings - Stuart FL, US
Assignee:

Alstom Technology Ltd. - Baden
International Classification:

B63H 1/20
B63H 13/00
US Classification:

416219R, 416221, 416220 R
Abstract:

A gas turbine engine component having an axial pin stop assembly that reduces stress around a seal pin damper slot between a platform and a buttress is disclosed. The seal pin damper slot is extended to the leading edge of the buttress and an axial pin stop seal extends into the pin damper slot to limit movement of the seal pin damper while relieving stress concentration at the interface between the buttress and platform.

Shaped Cooling Holes For Reduced Stress
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US Patent:

20100129213, May 27, 2010
Filed:

Nov 25, 2008
Appl. No.:

12/277704
Inventors:

James Page Strohl - Stuart FL, US
RuthAnn Rawlings - Stuart FL, US
Robert Moore - Palm City FL, US
Assignee:

ALSTOM TECHNOLOGIES LTD. LLC - Baden
International Classification:

F01D 5/08
US Classification:

416 1, 416 93 R, 416 95
Abstract:

A gas turbine engine component having shaped cooling holes that further enhances the cooling of a desired region while reducing stress levels in and around the cooling holes is disclosed. The cooling holes are generally elliptically-shaped and diffuse from a cooling fluid supply side to a discharge side and are oriented on the turbine component to reduce stress concentrations while directing the cooling fluid to a desired surface or location. The elliptical cooling holes have openings in the surface that have high points that are concentric and planar.

Ruthann M Rawlings