Michael A Rucker

US Patent:

7560014, Jul 14, 2009

Filed:

Aug 20, 2008

Appl. No.:

12/194732

Inventors:

Michael Rucker - Cincinnati OH, US
Bhupendra K. Gupta - Cincinnati OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

C25D 5/00
C25D 5/50

US Classification:

205 96, 204DIG 7, 205192, 205228

Abstract:

A method is provided for electroplating a high temperature coating onto an airfoil. The method includes providing a shield having a recess defining one or more walls conforming to the shape of at least a portion of a pressure side and a suction side of the airfoil to be electroplated, introducing the portions of the pressure side and the suction side of the airfoil to be electroplated into the recess of the shield, attaching an anode and cathode to the airfoil, submerging at least the shield and the portions of the pressure side and the suction side of the airfoil to be electroplated into an electroplating tank containing an electrolyte, and electroplating a coating of a high temperature resistant metal onto the portions of the pressure side and the suction side of the airfoil to be electroplated to a predetermined minimum thickness.

US Patent:

7749570, Jul 6, 2010

Filed:

Dec 20, 2006

Appl. No.:

11/613507

Inventors:

Michael Howard Rucker - Cincinnati OH, US
Andrew Jay Skoog - West Chester OH, US
Jane Ann Murphy - Franklin OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B05D 1/38

US Classification:

4273831, 4273837, 427405, 427427, 4274271

Abstract:

A method for depositing a platinum-group-containing layer on a substrate includes furnishing the substrate, and preparing a water-base paint containing metallic platinum-group powder, water, and a binder. The method further includes spraying the water-base paint overlying the substrate to form a platinum-group-containing layer, and thereafter heating the platinum-group-containing layer to interdiffuse the platinum-group-containing layer.

US Patent:

7829142, Nov 9, 2010

Filed:

Jun 21, 2006

Appl. No.:

11/425555

Inventors:

Lawrence Bernard Kool - Clifton Park NY, US
Michael Howard Rucker - Cincinnati OH, US

Assignee:

General Electric Company - Niskayuna NY

International Classification:

B05D 3/02
B05D 7/22
B05D 7/14

US Classification:

427229, 427230, 427232, 427234, 427235, 427238, 427239, 427240, 427349, 4273766, 4273768, 427380

Abstract:

Disclosed herein is a method for aluminiding an internal passage of a metal substrate comprising injecting a slurry composition that comprises a powder comprising aluminum, a binder selected from the group consisting of colloidal silica, an organic resin, and a combination thereof, into the internal passage; applying compressed air to the internal passage to facilitate distribution of the slurry composition throughout the internal passage; and, heat treating the slurry composition under conditions sufficient to remove volatile components from the composition, and to cause diffusion of aluminum into a surface of the internal passage.

US Patent:

8021491, Sep 20, 2011

Filed:

Jun 15, 2009

Appl. No.:

12/484704

Inventors:

Lawrence Bernard Kool - Clifton Park NY, US
Michael Howard Rucker - Cincinnati OH, US
David Edwin Budinger - Loveland OH, US

International Classification:

C23G 1/02

US Classification:

134 2, 134 3, 134 26, 134 28, 134 30, 134 41, 134 42, 216 83, 216 96, 216102, 216103, 216104, 427250, 42725534, 427307, 427309, 427337

Abstract:

A method for selectively removing an aluminum-poor overlay coating from a substrate of a component, which as a result of its low aluminum content is highly resistant to a selective stripping solution. The method entails diffusing aluminum into the overlay coating to form an aluminum-infused overlay coating having an increased aluminum level in at least an outer surface thereof. The diffusion step is carried out so that the increased aluminum level is sufficient to render the aluminum-infused overlay coating removable by selective stripping. The outer surface of the aluminum-infused overlay coating is then contacted with an aqueous composition to remove the aluminum-infused overlay coating from the substrate. The aqueous composition includes at least one acid having the formula HAF, and/or precursors thereof, wherein A is Si, Ge, Ti, Zr, Al, and/or Ga, and x is from 1 to 6.

US Patent:

8632890, Jan 21, 2014

Filed:

Jun 30, 2010

Appl. No.:

12/827938

Inventors:

Brian Thomas Hazel - Cincinnati OH, US
Don Mark Lipkin - Niskayuna NY, US
Michael Howard Rucker - Cincinnati OH, US
Rudolfo Viguie - Cincinnati OH, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

B32B 15/00

US Classification:

428652, 428633, 428680, 428941, 148537, 148535

Abstract:

A method for forming a nickel aluminide based coating on a metallic substrate includes providing a first source for providing a significant portion of the aluminum content for a coating precursor and a separate nickel alloy source for providing substantially all the nickel and additional alloying elements for the coating precursor. Cathodic arc (ion plasma) deposition techniques may be utilized to provide the coating precursor on a metallic substrate. The coating precursor may be provided in discrete layers, or from a co-deposition process. Subsequent processing or heat treatment forms the nickel aluminide based coating from the coating precursor.

US Patent:

8636890, Jan 28, 2014

Filed:

Sep 23, 2011

Appl. No.:

13/242548

Inventors:

Nicholas Shawn Woodard - Monroe OH, US
Michael H. Rucker - Loveland OH, US
John Louis Cupito - Loveland OH, US
Albert King - Milan IN, US

Assignee:

General Electric Company - Schenectady NY

International Classification:

C25D 17/00
C25D 5/02
C25D 5/34
C25D 7/00
B23P 6/00
C25D 17/12
F01D 5/00
C23C 10/02
C23C 10/58
C25D 3/50
F01D 5/28

US Classification:

205115

Abstract:

A method of repairing damaged airfoils. The method comprises the steps of stripping thermal barrier coatings from the airfoil. After the coatings are removed, cracks are removed from the airfoil. Cracks that appear in the bond coat area over the airfoil fillet portion are removed by locally grit blasting the fillet portion of the airfoil. This operation also results in locally removing the bond coating from the fillet portion. Cracks and other damage sustained by the airfoil tip are removed and replaced by welding superalloy material. The airfoil then may be cleaned by thermal etching. The airfoil is then placed in a plating tool permitting preferential plating of airfoil areas from which plating has been removed. After plating, the airfoil is then heat treated to diffuse the platinum coating with the superalloy substrate materials. The diffusion heat treated airfoil is aluminided by any aluminiding process, forming a PtAl coating.

US Patent:

20060037865, Feb 23, 2006

Filed:

Aug 19, 2004

Appl. No.:

10/921502

Inventors:

Michael Rucker - Cincinnati OH, US
Bhupendra Gupta - Cincinnati OH, US
Howard Farr - Cincinnati OH, US

International Classification:

C25D 5/00
C25D 17/00

US Classification:

205133000, 204242000, 205096000

Abstract:

Methods and apparatus of fabricating gas turbine engine components are provided. The method includes positioning a non-consumable shield adjacent to an edge of the component such that a gap is defined between the shield and the component, wherein the shield and gap form a fluid flow restriction adjacent to the edge, and inducing an electrical current from an anode to the component through an electrolyte bath such that a coating is applied to the component.

US Patent:

20060042932, Mar 2, 2006

Filed:

Aug 25, 2004

Appl. No.:

10/925649

Inventors:

Mark Rosenzweig - Hamilton OH, US
Michael Rucker - Cincinnati OH, US
John Evans - Springfield OH, US

International Classification:

B23H 3/02
C25D 21/12

US Classification:

204230200, 204228100, 204229400

Abstract:

Apparatus for electroplating a workpiece includes a primary electroplating anode, an auxiliary electroplating anode, and a resistor. The resistor is electrically connected in series to one of the primary and auxiliary electroplating anodes. The primary and auxiliary electroplating anodes are electrically connectable in parallel to an electrolyte. A method for electroplating a workpiece includes obtaining an electrolyte, a primary electroplating anode, and an auxiliary electroplating anode. The workpiece and the primary and auxiliary electroplating anodes are positioned in contact with the electrolyte. Electric current is applied through the primary electroplating anode at a first amperage and through the auxiliary electroplating anode at a different second amperage.