Hot gas path component

Lacy, Benjamin Paul; Kottilingam, Srikanth Chandrudu; Porter, Christopher Donald; Schick, David Edward

Title: Hot gas path component

Patent · Tue Sep 12 00:00:00 EDT 2017

OSTI ID:1390240

Lacy, Benjamin Paul; Kottilingam, Srikanth Chandrudu; Porter, Christopher Donald; Schick, David Edward

Various embodiments of the disclosure include a turbomachine component. and methods of forming such a component. Some embodiments include a turbomachine component including: a first portion including at least one of a stainless steel or an alloy steel; and a second portion joined with the first portion, the second portion including a nickel alloy including an arced cooling feature extending therethrough, the second portion having a thermal expansion coefficient substantially similar to a thermal expansion coefficient of the first portion, wherein the arced cooling feature is located within the second portion to direct a portion of a coolant to a leakage area of the turbomachine component.

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Research Organization:: General Electric Co., Schenectady, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42643

Assignee:: General Electric Company

Patent Number(s):: 9,757,936

Application Number:: 14/584,442

OSTI ID:: 1390240

Resource Relation:: Patent File Date: 2014 Dec 29

Country of Publication:: United States

Language:: English

References (14)

Turbine shroud segment with serpentine cooling channels Thompson, Ralph J.; Kane, Daniel E. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5486090 US Patent Document 5,486,090	patent	January 1996
Apparatus and methods for relieving thermally induced stresses in inner and outer bands of thermally cooled turbine nozzle stages Yu, Yufeng Phillip; Itzel, Gary Michael; Correia, Victor Hugo Silva https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6394749 US Patent Document 6,394,749	patent	May 2002
Laser machining cooling holes in gas turbine components Emer, George; Wos, Frank; Romin, Dmitriy https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6420677 US Patent Document 6,420,677	patent	July 2002
Heat processing apparatus Shirakawa, Eiichi; Fukuoka, Tetsuo; Nogami, Tsuyoshi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6744020 US Patent Document 6,744,020	patent	June 2004
Laser drilling shaped holes Stevens, Martin J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7019257 US Patent Document 7,019,257	patent	March 2006
Process of masking cooling holes of a gas turbine component Fernihough, John; Boegli, Andreas; Stankowski, Alexander https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7147899 US Patent Document 7,147,899	patent	December 2006
Percussion drilled shaped through hole and method of forming Fahndrich, Marc https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7820267 US Patent Document 7,820,267	patent	October 2010
Method for producing a hole Beck, Thomas; Cox, Nigel-Philip; Settegast, Silke https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8153923 US Patent Document 8,153,923	patent	April 2012
Laser shaped film cooling hole Liang, George https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8245519 US Patent Document 8,245,519	patent	August 2012
Method for repairing a cold section component of a gas turbine engine Arnold, James; Blake, Wayne https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20050241147 US Patent Application 10/836921; 20050241147	patent-application	November 2005
Forming structures by laser deposition Withey, Paul; Schlienger, Max https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20060054079 US Patent Application 11/224138; 20060054079	patent-application	March 2006
Turbine Shroud for Gas Turbine Assemblies and Processes for Forming the Shroud Nowak, Daniel; Krishnakumar, Poornathresan; Zhao, Richard https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090053045 US Patent Application 11/843346; 20090053045	patent-application	February 2009
Method for manufacturing a hot gas path component and hot gas path turbine component Kottilingam, Srikanth; Bucci, David; Lacy, Benjamin https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130139510 US Patent Application 13/042167; 20130139510	patent-application	June 2013
Turbine shroud cooling assembly for a gas turbine system Lacy, Benjamin; Schick, David; Weber, David https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130287546 US Patent Application 13/456407; 20130287546	patent-application	October 2013

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