General Electric Company

Hsin-Pang Wang

Ching-Pang Lee

Bin Wei

Erin Marie Perry

Martin Kin-Fei Lee

Patricia Chapman Irwin

Robert Alan Johnson

Marc Thomas Edgar

Yu Wang

Eric Alan Estill

Ram Kumar Upadhyay

Paul Richard Myers

Erich Otto Teutsch

Michael Charles Ostrowski

John Peter Fura

Thomas Donald Martyn

Yuan Pang

Ronald Scott Bunker

William Thomas Carter

Marshall Gordon Jones

Bruce Alan Knudsen

Lawrence Bernard Kool

Weiping Wang

Charles Erklin Seeley

Robert A Thompson

Irene Dris

John Thomas Leman

Herman A Nied

Anthony Constantine Thermos

Magdi Naim Azer

John Drake Vanselow

Thomas Paul Dunton

Martel Alexander McCallum

Stephen Gerard Pope

Ching Pang Lee

John Lester Maxam

Alison Liana Palmatier

Dongming Dominic Gao

Sharon Trombly Swede

Martin Kinfei Lee

Harold John Jenkins, Jr

Eric Moran

Sudhir Kumar Tewari

Stanley J Godwin

Robert K Cohen

Ramanath Iyer Ramakrishnan

James Patrick Claeys

Andrew James Worsey

Robert V Klint

Edward Richard Haupt

Sreeganesh Ramaswamy

Gopal Rameshchandra Saraiya

Rick Francis Fiumara

Srikanth Nanguneri

A composite core die includes a reusable core die; and a disposable core die. The disposable core die is in physical communication with the reusable core die and surfaces of communication between the disposable core die and the reusable core die serve as barriers to prevent the leakage of a slurry that is disposed in the composite core die.

Composite core die, methods of manufacture thereof and articles manufactured therefrom

A system and a method of fabricating a complex three dimensional part are described. The system comprises a rapid prototyping machine configured to provide a disposable mold having a negative imprint of a complex three dimensional structure, a mixer, an injection molding machine, and a furnace system. A slurry comprising a powder and a binder is introduced into the disposable mold, the binder is cured, the disposable mold is removed, and the binder is removed, leaving an intact cured structure. The cured structure is sintered to fabricate the complex three dimensional part.

Three-dimensional powder molding

A method of modifying an end wall contour is provided. The method includes creating a weld pool using a laser, adding a metal or a ceramic powder or a wire filler to the melt pool and modifying the part of the turbine in a manner that results in a change of about 0.005 to about 50 volume percent in the part of the turbine. The weld pool is created on a turbine component and contains molten metal or ceramic derived as a result of a heat interaction between the laser and the turbine component.

Method of modifying the end wall contour in a turbine using laser consolidation and the turbines derived therefrom

A composite core die includes a reusable core die and a disposable core die; where the disposable core die is in physical communication with the reusable core die; and further where surfaces of communication between the disposable core die and the reusable core die serve as barriers to prevent the leakage of a slurry that is disposed in the composite core die.

Disclosed herein is an integral casting core including a solidified first portion of a ceramic core and a solidified second portion of the ceramic core; wherein the solidified second portion is disposed upon the solidified first portion of the ceramic core by laser consolidation. The first solidified portion of the integral casting core, is manufactured by a process which includes disposing a slurry including ceramic particles into a metal core die; wherein an internal volume of the metal core die has a geometry equivalent to a portion of the geometry of the integral casting core; curing the slurry to form a cured first portion of the ceramic core; and firing the cured first portion of the ceramic core to form a solidified first portion of the ceramic core.

Ceramic cores, methods of manufacture thereof and articles manufactured from the same

A method of applying an outer insulation to a bare stator bar to form an insulated stator bar. The method entails extruding at least one extruded member that will form the outer insulation. The extruded member has an opposing pair of edges that are parallel to the longitudinal length of the extruded member. In addition, the extrusion process creates an inner cavity that extends the longitudinal length of the extruded member. A bare stator bar is then inserted into the inner cavity of the outer insulation so that the outer insulation surrounds the perimeter of the bar and extends along a longitudinal length thereof. The opposing pair of edges of the extruded member are then attached together so that the perimeter of the bar is entirely enclosed by the extruded member.

Method of applying outer insulation to a bare stator bar

Disclosed herein is a spray coating process for a robotic spray gun assembly comprising importing a discretized model of an object geometry to be coated; importing a numerically characterized spray pattern file; importing a robot motion file comprising a plurality of motion positions, dwell times and orientations defining a spray direction of the robotic spray gun; reading each motion position within the motion file; determining which portions of the object geometry are visible at each motion position; computing a void volume fraction at each visible portion of the object geometry based on the core compression, the incident angle of the robotic spray gun and the ricocheting of the spray for each motion position; and calculating total coating thickness on portions of the object geometry for the complete motion step.

Methods for controlling plasma spray coating porosity on an article and articles manufactured therefrom

A method of forming an integral casting core includes adding a disposable insert to a metal core die and disposing a slurry into the metal core die. The slurry includes ceramic particles. The method further includes firing the slurry to form a integral casting core and removing the disposable insert from the integral casting core.

Disposable insert, and use thereof in a method for manufacturing an airfoil

Disclosed herein is a method comprising injecting into a thin wall disposable core die a slurry having a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 secondsand a flow index of less than 0.6 at a pressure of up to about 7 kilograms-force per square centimeter; wherein the thin wall disposable core die has an average wall thickness of about 1.5 to about 10 millimeters; curing the slurry to form a cured ceramic core; removing the thin wall disposable core die from the cured ceramic core; and firing the cured ceramic core to form a solidified ceramic core.

Disposable thin wall core die, methods of manufacture thereof and articles manufactured therefrom

A synthetic model of a component is created from a 3-D numerical model thereof. A core is then cast inside the synthetic model. The synthetic model may then be removed from the cast core, and then the cast core is used for casting an authentic component therearound. The core is removed from inside the authentic component, which authentic component precisely matches the original synthetic model therefor.

Synthetic model casting

A method of applying an outer insulation to a stator bar to form an insulated stator bar. The method entails extruding at least one extruded member that will form the outer insulation. The extruded member has an opposing pair of edges that are parallel to the longitudinal length of the extruded member. The extrusion process creates an inner cavity that extends the longitudinal length of the extruded member. A bare stator bar is then inserted into the inner cavity of the outer insulation so that the outer insulation surrounds the perimeter of the bar and extends along a longitudinal length thereof. The edges of the extruded member are then attached together so that the perimeter of the bar is entirely enclosed by the extruded member.

Method of applying outer insulation to a stator bar of an electric machine

An insulated stator bar and method of applying an outer insulation to a bare stator bar to form the insulated stator bar. The outer insulation surrounds a perimeter of the bare bar and extends along a longitudinal length of the bar. The outer insulation comprises at least one extruded member, e.g., a single extruded member, two individual extruded members, etc., containing an electrical insulation material. The at least one extruded member comprises an opposing pair of edges parallel to the longitudinal length of the bar. The edges are attached together so that the perimeter of the bar is entirely enclosed by the at least one extruded member.

Stator bar with exruded groundwall insulation

A simulation system for generating a predicted performance for fabricated parts comprises a rheological degradation database for storing rheological degradation data for associated materials, a mechanical degradation database for storing mechanical degradation data for associated materials and a computer coupled to the rheological degradation database and the mechanical degradation database for computing part performance predictions for a respective material with a predetermined geometry under predetermined processing conditions, partially based on the rheological degradation data and the mechanical degradation data.

Performance predictor for fabricated parts

A slot armor component for use in a rotor of a dynamo-electric machine comprises a plurality of profile co-extruded polymer layers. The composite cross-section of the profile co-extruded layers may include a first leg portion and a second leg portion disposed at an angle to the first leg portion. The plurality of co-extruded polymer layers may include a glass-filled polymer layer arranged between two unfilled polymer layers such as a glass-filled Ultem layer having a glass-fill concentration equal to or less than 30% arranged between two unfilled Ultem layers or a glass-filled polyetheretherketone (PEEK) layer having a glass-fill concentration equal to or less than 30% arranged between two unfilled PEEK layers.

Multilayer co-extrusion rotor slot armor and system for making the same

A method for enabling design of a profile extrusion capping die includes, obtaining a size and configuration of a land formable by the capping die, obtaining material properties of a capping resin, obtaining operating conditions for processing the capping resin, and determining, from the size and configuration of the land, the material properties, the operating conditions, at least one of a velocity distribution and a pressure distribution of the capping resin adjacent to an outlet of the land. Desirably, the method also includes obtaining a size and configuration of a runner formable by the profile extrusion capping die, and determining at least one of the velocity distribution and the pressure distribution of the capping resin in the land and the runner. Advantageously, the method is implemented on a system or computer using a finite element mesh of the land and the runner and graphically displaying the velocity distribution and the pressure distribution. The system allows a designer to design a profile extrusion capping die electronically by revising the size and configuration of the land, runner, and/or inlet gate, to obtain a uniform velocity of the capping resin along the land outlet thus resulting in a capping having a uniform thickness.

Method and system for designing a profile extrusion capping die

Growing community of inventors

Rexford, NY, United States of America

Hsin-Pang Wang