General Electric Company

Oliver Crispin Robotics Limited

General Electric Technology Gmbh

Don Mark Lipkin

Todd William Danko

Scott Andrew Weaver

Ronald Scott Bunker

Julin Wan

Reed Roeder Corderman

Peter Joel Meschter

Lawrence Bernard Kool

Dennis Michael Gray

John Brian McDermott

Dennis Joseph Dalpe

Bernard Patrick Bewlay

Deepak Trivedi

Ann Melinda Ritter

Thomas Robert Raber

Liang Jiang

Bin Wei

Andrew Crispin Graham

Curtis Alan Johnson

Canan Uslu Hardwicke

Krishan Lal Luthra

Ji-Cheng Zhao

Farshad Ghasripoor

Gregory Alan Steinlage

Michael Francis Xavier Gigliotti

Theodore Robert Grossman

Karthick Vilapakkam Gourishankar

Melvin Robert Jackson

Shyh-Chin Huang

Brian Thomas Hazel

Milivoj Konstantin Brun

Robert Joseph Lyons

Jeremy Daniel Van Dam

Raghavendra Rao Adharapurapu

Michael Scott Hebert

Krishnamurthy Anand

Jacob John Kittleson

Atanu Saha

Paul Leonard Dupree

Larry Steven Rosenzweig

Wayne Ray Grady

Raymond Alan White

Reza Sarrafi-Nour

Joshua L Miller

Donald Robert Allen

Leonardo Ajdelsztajn

Joshua Lee Margolies

Andrew Joseph Detor

Dalong Zhong

Kiruba Sivasubramaniam Haran

Mark John Zajkowski

Raul Basilio Rebak

Renee Bushey Rohling

Terry Clifford Cooper

Lyle Timothy Rasch

Sairam Sundaram

Carl Edward Erikson

Raymond Edward Chupp

Scott Michael Oppenheimer

Voramon Supatarawanich Dheeradhada

Nicholas Edward Antolino

Juan Borja

Jeffrey Reid Thyssen

Satya Kishore Manepalli

Dalero Winston Berkeley

Chek Beng Ng

Kori Unhee Macdonald

Kevin Paul McEvoy

Vidya Ramaswamy

Yakov Polishchuk

Rebinth Jose Robin

Trevor Owen Hawke

Samuel Vinod Thamboo

Rudolfo Viguie

Michael Howard Rucker

Robert Edward Huth

Biju Dasan

Leo Spitz MacDonald

Steve John Buresh

Peter W Schilke

Srinidhi Sampath

Shivakumar Basavanna

Thomas C Tiearney

Vijay Kumar Srivastava

Jonathan Paul Blank

Wolfgang Zesch

Thomas Edward Morris

Geoffrey Mark Eadon

Nathaniel Patrick Brown

Radhakrishna Badekila Bhat

John William Short

Elena Rozier Gearing

Edgar Carrasco

Barath Palanisamy

Sidney Perham Young

Karen Kettler Denike

Ramvineeth Nitta

Huseyin Kandir

David Poerschke

Brian William Cerniglia

A coated component may have a consumable coating that protects the component from dust. A coated component may include a silicon containing substrate defining a substrate surface, a barrier coating on the substrate surface, with the barrier coating defining a barrier surface, and a consumable coating on the barrier surface. The consumable coating may include a ceramic oxide that includes a silicate. A component, such as a component of a turbomachine, may be protected from dust by applying a consumable coating on the component.

Consumable coatings and methods of protecting a high temperature component from dust deposits

A system for use in servicing a machine. The system includes a tubular body including a longitudinal axis, a tip end, a dispensing nozzle defined at the tip end, and an interior channel in flow communication with the dispensing nozzle. The tubular body is configured to be flexible. An actuator is configured to selectively modify an orientation of the tubular body, and a reservoir is in flow communication with the interior channel. The reservoir is configured to supply a maintenance fluid to the tubular body for discharge from the dispensing nozzle.

Systems and method for use in servicing a machine

A method of furnace-less brazing of a substrate is provided. The method includes providing a substrate having a brazing region thereon; disposing braze precursor material containing a nickel powder, an aluminum powder, and a platinum group metal powder on the brazing region; and initiating an exothermic reaction of the braze precursor material such that the exothermic reaction produces a braze material that reaches a braze temperature above the liquidus temperature for the braze material. A braze precursor material is also provided.

Exothermic braze precursor material

A cable tensioning system including: a body defining a balance point; a cable receiving area having gripping elements configured to grip and bias a cable relative to the cable tensioning system; and a sensor configured to sense changes to a balance of the body about the balance point, wherein the cable tensioning system is configured to maintain the cable within a preset range of tensions.

Cable tensioning systems

A service apparatus for use in maintaining a machine including a stator and a rotor is provided. The service apparatus includes a carriage assembly configured to couple to the rotor. The service apparatus is selectively transitionable between a stowed position in which the service apparatus is rotatable with the rotor and an extended position in which the service apparatus is extended toward the stator. The service apparatus also includes at least one maintenance device coupled to the carriage assembly. The at least one maintenance device is operable to perform a maintenance operation on a surface of the stator with the service apparatus in the extended position.

Service apparatus for use with rotary machines

A method of furnace-less brazing of a substrate is provided. The method includes providing a substrate having a braze region thereon; disposing braze precursor material containing a nickel powder, an aluminum powder, and a platinum group metal powder on the braze region; and initiating an exothermic reaction of the braze precursor material such that the exothermic reaction produces a braze material that reaches a braze temperature above the solidus temperature of the braze material. A braze precursor material is also provided.

Methods of furnace-less brazing

A system for use in servicing a turbomachine, the system including a first tubular body including an interior channel, and a second tubular body. The first and second tubular bodies are bendable between a neutral shape and a biased shape. The bodies are bent when in the neutral shape. The second tubular body includes a tip end, and the second tubular body is translatable within the interior channel. The first tubular body and the second tubular body are rotatable to selectively orient the tip end in multiple degrees of freedom. The system also includes a steering cable extending from the tip end, wherein the steering cable biases the tip end for selective orientation in additional degrees of freedom.

Systems and method of servicing a turbomachine

The present invention is directed to in situ methods for maintaining turbine assemblies. One such method includes: disposing a maintenance apparatus on the rotor; positioning the maintenance apparatus proximate to the damaged region by rotating the rotor; and repairing the damaged region by operating a repair tool disposed on the apparatus. Another method includes: disposing a maintenance apparatus on the stator; positioning the damaged region proximate to the maintenance apparatus by rotating the rotor; and repairing the damaged region by operating a repair tool disposed on the apparatus.

Turbine assembly maintenance methods

A reconfigurable maintenance apparatus includes a body configured to operate within a cavity. The body has a first shape in a first configuration and a second shape in a second configuration. The first configuration facilitates the body entering the cavity. The reconfigurable apparatus also includes at least one maintenance device operably coupled to the body. The second configuration facilitates the at least one maintenance device of the reconfigurable apparatus performing a maintenance operation.

Reconfigurable maintenance apparatus

A service apparatus for use in maintaining a turbine assembly () includes a carriage () configured to move through a cavity of the turbine assembly (), a motorized system () coupled to the carriage (), and a maintenance device () coupled to the motorized system (). The motorized system () is configured to move the maintenance device () relative to the carriage (). The motorized system () includes a first motor () configured to move the maintenance device () in a first direction () and a second motor () configured to move the maintenance device () in a second direction ().

A system for use in maintaining a turbine assembly includes a plurality of blades and a plurality of vanes. The system includes an insertion apparatus including an insertion end, a steering end opposite the insertion end, and a body extending from the insertion end to the steering end. The insertion end is positionable proximate at least one blade of the plurality of blades using a steering interface. The system also includes a service apparatus for use in maintaining the turbine assembly. The service apparatus includes at least one maintenance device and an anchoring feature. The service apparatus is proximate the insertion end of the insertion apparatus and is positionable in a plurality of orientations via the steering interface. The anchoring feature is configured to releasably couple the service apparatus to at least one blade of the plurality of blades.

Methods of forming an environmental barrier coating are disclosed. A method includes disposing a powder-based coating on a substrate, heat-treating the powder-based coating at a temperature greater than 800&#xb0; C. and less than 1200&#xb0; C. to form a porous coating that includes surface-connected pores, infiltrating at least some of the surface-connected pores of the porous coating with an infiltrant material to form an infiltrated coating, and sintering the infiltrated coating at a temperature greater than 1200&#xb0; C. and less than 1500&#xb0; C. to form the environmental barrier coating on the substrate.

Environmental barrier coating and methods of preparation

High-temperature machine components, more particularly, articles capable of operating in high-temperature environments, including for example turbines of gas engines, may be formed of a high temperature ceramic matrix composite that includes a ceramic substrate including silicon; an environmental harrier coating system including a silicon containing bond coat; and a diffusion barrier layer of a carbide or a nitride between the substrate of the article and the silicon bond coat of the environmental barrier coating system. The diffusion harrier layer selectively prevents or reduces the diffusion of boron and impurities from the substrate to the bond coat of the environmental barrier coating system.

High temperature tolerant ceramic matrix composites and environmental barrier coatings

Growing community of inventors

Niskayuna, NY, United States of America

Don Mark Lipkin