General Electric Company

James Scott Vartuli

James Anthony Brewer

Bernard Patrick Bewlay

Bruce Alan Knudsen

Mohamed Rahmane

Timothy John Sommerer

Anteneh Kebbede

Sylvia M DeCarr

Sylvain S Coulombe

Venkat Subramaniam Venkataramani

Robert Joseph Lyons

Daniel Gene Dunn

Dennis Joseph Dalpe

Luana Emiliana Iorio

Haochuan Jiang

David Michael Hoffman

James Anthony Ruud

Steven Jude Duclos

Gregory Scot Corman

Kevin Paul McEvoy

Pierre-Andre Bui

Charles D Greskovich

Jason David Shapiro

Suresh Subramanian

Clifford Bueno

Sergio Paulo Martins Loureiro

Martin Kin-Fei Lee

Shatil Sinha

Douglas Glenn Decesare

Matthew Harper Hockemeyer

Craig Stringer

Alan George Chalmers

John Erik Hershey

Alok Mani Srivastava

Ertugrul Berkcan

Emad Andarawis Andarawis

Kenneth Brakeley Welles

Charles Dominic Iacovangelo

James Wilson Rose

Wayne Charles Hasz

Yunfeng Sun

Xiaoye Wu

Joseph James Lacey

Hua Xia

Mohan Manoharan

William Edward Burdick, Jr

Samhita Dasgupta

James Walter LeBlanc

Mohandas Nayak

Anthony Mark Thompson

Agoston Boroczki

Brent Allen Clothier

Svetlana Selezneva

Min-Yi Shih

Stephen Francis Bancheri

Kung-Li Justin Deng

Zhaoping Wu

Patrick Roland Lucien Malenfant

Istvan Csanyi

Kun Tao

Qun Deng

Sergio Martins Loureiro

Zhaohui Yang

K M K Genghis Khan

Robert Baranyi

Carl Joshua Vess

Kmk Genghis Khan

Venkat Subraman Venkataramani

Steven Jude Ductos

Luana E Iorlo

Stephen Thomas Tedeschi

Bernard Patrick Bewley

Kenneth Sherwood Bousman

Luana E Lorio

Gregory Scott Corman

Kung-Li Deng

Ceramic matrix composite articles include, for example a first plurality of plies of ceramic fibers in a ceramic matrix defining a first extent, and a local at least one second ply in said ceramic matrix defining a second extent on and/or in said first plurality of plies with the second extent being less than said first extent. The first plurality of plies has a first property, the at least one second ply has at least one second property, and said first property being different from said at least one second property. The different properties may include one or more different mechanical (stress/strain) properties, one or more different thermal conductivity properties, one or more different electrical conductivity properties, one or more different other properties, and combinations thereof.

Ceramic matrix composite articles having different localized properties and methods for forming same

The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process. The method may also include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg, such as a prepreg tape. The ceramic fibers may be substantially SiC fibers, for example.

Apparatus and methods for processing ceramic fiber

The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include at least one of depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process and impregnating the ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg. In some embodiments, the ceramic fibers of the planar array may include a coating, and the method may include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg.

Methods of processing ceramic fiber

An article is presented. The article includes a seal ring configured for use in an energy storage device, the seal ring comprising a first portion and a second portion that each include an alumina-based cermet, that comprises a sufficient amount of metal or metal alloy to be weldable, and the cermet comprises a ceramic material selected from a group consisting of silica, yttria, and ytterbia, and the seal ring further comprises a third region intervening between the first portion and the second portion that is sufficiently electrically insulative and of sufficient thickness to electrically isolate the first portion from the second portion.

Seal ring and associated method

An article includes a seal ring for an energy storage device. The seal ring has a weldable first portion and a weldable second portion. The first and second portions are electrically isolatable from each other by an electrically insulating third portion.

A two dimensional collimator assembly and method of manufacturing thereof is disclosed. The collimator assembly includes a wall structure constructed to form a two dimensional array of channels to collimate x-rays. The wall structure further includes a first portion positioned proximate the object to be scanned and configured to absorb scattered x-rays and a second portion formed integrally with the first portion and extending out from the first portion away from the object to be scanned. The first portion of the wall structure has a height greater than a height of the second portion of the wall structure. The second portion of the wall structure includes a reflective material coated thereon in each of the channels forming the two dimensional array of channels.

2D reflector and collimator structure and method of manufacturing thereof

A lamp is provided with an axially and radially graded structure to reduce the possibility of thermal stresses, cracks, and other defects in the lamp. In one embodiment, a system includes a ceramic lamp having a ceramic arc envelope and an end structure coupled to the ceramic arc envelope, wherein the end structure is graded both axially and radially into a plurality of regions. In another embodiment, a system includes a lamp having a layered end structure with a plurality of layers disposed one over another and that extend in both axial and radial directions relative to an axis of the lamp, wherein the plurality of layers include different materials having different coefficients of thermal expansion, Poisson's ratios, or elastic moduli, or a combination thereof.

Lamp having axially and radially graded structure

A system, in certain embodiments, includes a high intensity discharge lamp having a composite leg. The composite leg includes a plurality of leg sections coupled together in series. The plurality of leg sections includes different materials, coefficients of thermal expansion, Poisson's ratios, or elastic moduli, or a combination thereof. A method, in certain embodiments, includes enclosing a high intensity discharge within a ceramic arc envelope. The method also includes reducing thermal stresses associated with the high intensity discharge via a composite leg extending outwardly from the ceramic arc envelope. The composite leg includes a plurality of leg sections coupled together in series. The plurality of leg sections includes different materials, coefficients of thermal expansion, Poisson's ratios, or elastic moduli, or a combination thereof.

High intensity discharge lamp having composite leg

In certain embodiments, a lamp is provided with an arc envelope including a ceramic, an end member including a material different from the ceramic, and a compliant seal disposed between the end member and the arc envelope. The compliant seal includes a plurality of layers having different thermal expansion characteristics in an order of gradual change between the arc envelope and the end member.

High intensity discharge lamp having compliant seal

A hermetically sealed lamp having at least one seal-material-free bond. The seal material-free bond may be a material diffusion bond, a mechanically deformed bond such as a cold weld or crimp, a focused heat bond such as a laser bond, or any other such bond. For example, the hermetically sealed lamp may have one or more endcaps diffusion bonded to an arc envelope, such as a ceramic tube or bulb. The hermetically sealed lamp also may have one or more tubular structures, such as dosing tubes, which are mechanically closed via cold welding or crimping. Localized heating, such as the heat provided by an intense laser, also may be used to enhance any of the foregoing bonds.

Hermetical lamp sealing techniques and lamp having uniquely sealed components

A lamp comprising an arc envelope and a molybdenum-rhenium end structure coupled to the arc envelope.

Ceramic lamp having molybdenum-rhenium end cap and systems and methods therewith

A system and method for hermetically sealing a lamp. Certain embodiments of the lamp have an arc envelope having an open end and, also, an end structure diffusion bonded to the arc envelope at the open end. The end structure also has a dosing passageway extending into the arc envelope. In other embodiments, a lighting device is provided with an end structure adapted to close an open end of an arc envelope, and a dosing tube diffusion bonded to the end structure. Another embodiment of the lighting device has an arc envelope and an end structure diffusion bonded to an open end of the arc envelope.

A fiber optic sensor including a fiber having a modified surface integral with the fiber wherein the modified surface includes an open pore network with optical agents dispersed within the open pores of the open pore network. Methods for preparing the fiber optic sensor are also provided. The fiber optic sensors can withstand high temperatures and harsh environments.

Fiber optic sensor and method for making

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Rexford, NY, United States of America

James Scott Vartuli