William Eugene Brooks

Address:

7576 Thompson Rd, Cincinnati, OH 45247

VIN:

KMHCM36C17U003296

Make:

HYUNDAI

Model:

ACCENT

Year:

2007

US Patent:

6379749, Apr 30, 2002

Filed:

Dec 5, 2000

Appl. No.:

09/730373

Inventors:

William Clarke Brooks - Lebanon OH
Roger Dale Wustman - Loveland OH
John Douglas Evans, Sr. - Springfield OH

Assignee:

General Electric Company - Schenectady NY

International Classification:

B05D 310

US Classification:

427307, 427309, 134 2, 134 3, 216100, 216101

Abstract:

A method of removing a ceramic coating ( ), and particularly zirconia-containing thermal barrier coating (TBC) materials such as yttria-stabilized zirconia (YSZ), that has been either intentionally or unintentionally deposited on the surface of a component ( ). The method entails subjecting the ceramic coating ( ) to an aqueous solution containing an acid fluoride salt, such as ammonium bifluoride (NH HF ) or sodium bifluoride (NaHF ), and a corrosion inhibitor. The method is capable of completely removing the ceramic coating ( ) without removing or damaging the underlying substrate material, which may include a metallic bond coat ( ).

US Patent:

6454870, Sep 24, 2002

Filed:

Nov 26, 2001

Appl. No.:

09/994343

Inventors:

William Clarke Brooks - Lebanon OH

Assignee:

General Electric Co. - Schenectady NY

International Classification:

C23G 102

US Classification:

134 3, 134 2, 134 19, 134 26, 134 28, 134 29, 134 30, 134 34, 134 35, 134 36, 134 41, 134 42, 510201, 510202, 510245, 510254, 510435

Abstract:

A chromium oxide coating is removed from a surface of an article by cleaning the article in an alkaline degreasing/rust removal solution at a degreasing/rust removal temperature of from about 180Â F. to about 200Â F. , scale conditioning the article in an alkaline permanganate conditioning solution at a scale-conditioning temperature of from about 160Â F. to about 200Â F. , and contacting the article to an acidic stripping solution comprising hydrochloric acid and an etching inhibitor at a stripping temperature of from about 130Â F. to about 140Â F.

US Patent:

6758985, Jul 6, 2004

Filed:

Feb 23, 2001

Appl. No.:

09/791305

Inventors:

William C. Brooks - Lebanon OH

Assignee:

General Electric Company - Schenectady NY

International Classification:

B44C 122

US Classification:

216 96, 216100, 216101

Abstract:

A method of removing a ceramic coating, such as a thermal barrier coating (TBC) of yttria-stabilized zirconia (YSZ), from the surface of a component, such as a gas turbine engine component. The method generally entails subjecting the ceramic coating to an aqueous solution of ammonium bifluoride, optionally containing a wetting agent, such as by immersing the component in the solution while maintained at an elevated temperature. Using the method of the invention, a ceramic coating can be completely removed from the component and any cooling holes, with essentially no degradation of the bond coat.

US Patent:

7008553, Mar 7, 2006

Filed:

Jan 9, 2003

Appl. No.:

10/339475

Inventors:

Roger Dale Wustman - Mason OH, US
Mark Alan Rosenzweig - Hamilton OH, US
William Clarke Brooks - Lebanon OH, US
Brian H. Pilsner - Mason OH, US
James Douglas Risbeck - Cincinnati OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B44C 1/22
C03C 15/00
C03C 25/68
C23F 1/00
C23F 3/00

US Classification:

216103, 134 3

Abstract:

A method for selectively removing an aluminide coating from at least one surface of a metal-based substrate by: (a) contacting the surface of the substrate with at least one stripping composition comprising nitric acid at a temperature less than about 20 C. to degrade the coating without damaging the substrate; and (b) removing the degraded coating without damaging the substrate. Also disclosed is a method for replacing a worn or damaged aluminide coating on at least one surface of a metal-based substrate by selectively removing the coating using the above steps, and then applying a new aluminide coating to the surface of the substrate. Turbine engine parts, such as high-pressure turbine blades, treated using the above methods are also disclosed.

US Patent:

7115171, Oct 3, 2006

Filed:

Dec 27, 2004

Appl. No.:

11/020291

Inventors:

John Matthew Powers - Independence KY, US
William Clarke Brooks - Lebanon OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

C23G 1/02

US Classification:

134 3, 134 2, 134 221, 134 2216, 134 2213, 134 2217, 134 2212, 134 2219, 134 26, 134 28, 134 34, 134 36, 134 40, 134 41, 134 42

Abstract:

A method and cleaning composition for removing engine deposits from turbine components, in particular turbine disks and turbine shafts. This method comprises the following steps: (a) providing a turbine component having a surface with engine deposits thereon, wherein the turbine component comprises a nickel and/or cobalt-containing base metal; and (b) treating the surface of the turbine component with a cleaning composition to convert the engine deposits thereon to a removable smut without substantially etching the base metal of the turbine component. The cleaning composition comprises an aqueous solution that is substantially free of acetic acid and comprising: a nitrate ion source in an amount, by weight of the nitrate ion, of from about 470 to about 710 grams/liter; and a bifluoride ion source in an amount, by weight of the bifluoride ion, of from about 0. 5 to about 15 grams/liter. The smut that is formed can be removed from the surface of the turbine component in a manner that does not substantially alter the surface thereof.

US Patent:

7270764, Sep 18, 2007

Filed:

Jun 30, 2005

Appl. No.:

11/171686

Inventors:

Roger Dale Wustman - Mason OH, US
Mark Alan Rosenzweig - Hamilton OH, US
William Clarke Brooks - Lebanon OH, US
Brian H. Pilsner - Mason OH, US
James Douglas Risbeck - Cincinnati OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B44C 1/22
C03C 15/00
C03C 25/68
C23F 1/00
B23P 6/00

US Classification:

216108, 298891, 134 41

Abstract:

A method for selectively removing an aluminide coating from at least one surface of a metal-based substrate by: (a) contacting the surface of the substrate with at least one stripping composition comprising nitric acid at a temperature less than about 20 C. to degrade the coating without damaging the substrate; and (b) removing the degraded coating without damaging the substrate. Also disclosed is a method for replacing a worn or damaged aluminide coating on at least one surface of a metal-based substrate by selectively removing the coating using the above steps, and then applying a new aluminide coating to the surface of the substrate. Turbine engine parts, such as high-pressure turbine blades, treated using the above methods are also disclosed.

US Patent:

7687449, Mar 30, 2010

Filed:

Sep 20, 2006

Appl. No.:

11/523643

Inventors:

John Matthew Powers - Independence KY, US
William Clarke Brooks - Lebanon OH, US

Assignee:

General Electric Company GE Aviation - Cincinnatti OH

International Classification:

C11D 7/08
C11D 7/02
C11D 1/00
C11D 3/26

US Classification:

510185, 510245, 510247, 510253, 510257, 510269, 510499

Abstract:

A method and cleaning composition for removing engine deposits from turbine components, in particular turbine disks and turbine shafts. This method comprises the following steps: (a) providing a turbine component having a surface with engine deposits thereon, wherein the turbine component comprises a nickel and/or cobalt-containing base metal; and (b) treating the surface of the turbine component with a cleaning composition to convert the engine deposits thereon to a removable smut without substantially etching the base metal of the turbine component. The cleaning composition comprises an aqueous solution that is substantially free of acetic acid and comprising: a nitrate ion source in an amount, by weight of the nitrate ion, of from about 470 to about 710 grams/liter; and a bifluoride ion source in an amount, by weight of the bifluoride ion, of from about 0. 5 to about 15 grams/liter. The smut that is formed can be removed from the surface of the turbine component in a manner that does not substantially alter the surface thereof.

US Patent:

7955694, Jun 7, 2011

Filed:

Jun 21, 2006

Appl. No.:

11/425554

Inventors:

Brian T. Hazel - West Chester OH, US
Michael J. Weimer - Loveland OH, US
William C. Brooks - Lebanon OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B32B 15/04
B32B 27/06
B32B 15/08

US Classification:

428323, 428329, 428330, 428626, 428469, 428701, 428450, 428451, 416241 R

Abstract:

A corrosion resistant coating system having a first coating and a second coating. The first coating includes a matrix and corrosion resistant particles. The matrix is preferably a matrix material selected from the group consisting of silica, silicone, phosphate, chromate, and combinations thereof. The corrosion resistant particles are uniformly distributed within the matrix and provide the coating a predetermined coefficient of thermal expansion. The particles provide the first coating with corrosion resistance. The second coating is disposed on at least a portion of the first coating. The second coating includes an organic material capable of sufficiently sealing the pores of the first coating to reduce or eliminate infiltration of contaminant material, and is capable of being removed by exposure elevated temperatures.