United Technologies Corporation

Raytheon Technologies Corporation

Hamilton Sundstrand Corporation

Carrier Corporation

Audi Ag

Rtx Corporation

Ballard Power Systems Corporation

Utc Power Corporation

Lsr Technologies, Inc.

Otis Elevator Company

Goodrich Corporation

University of Connecticut

Utc Fuel Cells, LLC

Utc Fire and Security Corporation

Southern Company Services, Inc.

Sergei F Burlatsky

David Ulrich Furrer

Dmitri Novikov

Vadim V Atrazhev

William J Brindley

Wayde R Schmidt

Tahany Ibrahim El-Wardany

Ned Emidio Cipollini

Mallika Gummalla

Michael L Perry

Scott Alan Eastman

David A Condit

Thomas Harry Madden

Wei Xie

Leo A Smolensky

Bruce H Easom

Joseph V Mantese

Christopher W Strock

David A Litton

Changsheng Guo

Lei Chen

Agnieszka M Wusatowska-Sarnek

Lesia V Protsailo

Shahram Amini

Eric J Gottung

Vadim I Sultanov

Parmesh Verma

Haralambos Cordatos

John D Riehl

Charles R Watson

Thomas D Jarvi

Subramanyaravi Annapragada

Ranadip Acharya

Timothy W Patterson

Yan Chen

Thomas D Kasprow

Mladen F Trubelja

Arun Pandy

Luca Bertuccioli

Jared B Hertzberg

Rachid Zaffou

Sathya Motupally

Joseph A DePalma

Shubhro Ghosh

Michael A Sloan

Hillary Anne Huttenhower

Jean Colpin

Dmitry Dmitriev

Alan Matthew Finn

Mark R Jaworowski

Robert Mason Darling

Zissis A Dardas

John P Wesson

Hongcheng Wang

Jesse R Boyer

Alexander Staroselsky

Sameh Dardona

Pantcho P Stoyanov

John A Sharon

Weilong Zhang

Michael A Klecka

Louis J Spadaccini

Foster Philip Lamm

Vijay Narayan Jagdale

Vincent C Nardone

Justin R Hawkes

Bart Antonie Van Hassel

William K Tredway

Mikhail B Gorbounov

Christopher F O'Neill

Jeffrey Michael Mendoza

Patrick L Hagans

Iuliana Cernatescu

James A Leistra

Sunil Govinda Warrier

Treese Hugener-Campbell

Arthur Blanc

David R Polak

Paul Elliott

Charles C Coffin

Kevin Seymour

Serge L Shishkin

Laura Roen Stolar

Stephen Peter Stagon

Abhijit Chakraborty

Jesse M Marzullo

Robert N Tomastik

Christopher T Chipman

Venkata R Vedula

Bart Antoine Van Hassel

Daniel G Opoku

Nikunj Gupta

Andrew J Boyne

Rebecca L Runkle

Hanchen Huang

Daniel Anthony Grande

Oleg A Vasilyev

Nikolay S Erikhman

Mark S Berry

Lewis G Hinman, Iii

An electromagnetic field separation system for separation of metallic powders including a sample introducer, wherein the sample to be introduced comprises particles; a first separator, wherein the first separator is configured to provide a differential charge to the particles of the sample; an electromagnetic separation stage comprising a second separator, wherein the second separator provides an electromagnetic field configured to separate the particles of the sample; and a recovery stage.

Electromagnetic separation of powders

An electrocaloric fiber includes an electrocaloric material surrounding a centrally located electrode. The electrocaloric fiber may further include an outer electrode surrounding the electrocaloric material. The electrocaloric fiber may be used to form an electrocaloric fabric.

Electrocaloric fiber, fabric and system comprising same

A method for forming an ultra-high temperature (UHT) composite structure includes dispensing a first polymeric precursor with a spinneret; forming a first plurality of nanofibers from the first polymeric precursor; depositing the first plurality of nanofibers with a collector; and applying a fluid, with a nozzle, onto the first plurality of nanofibers disposed on the collector. The fluid includes a second polymeric precursor.

System and method for forming an ultra-high temperature composite structure

An apparatus for use in a coating process includes a chamber, a crucible configured to hold a coating material in the chamber, an energy source operable to heat the interior of the chamber, a coating envelope situated with respect to the crucible, and at least one gas manifold located near the coating envelope. The at least one gas manifold is configured to provide a gas screen between the coating envelope and the crucible.

Apparatus for use in coating process

A method of additively manufacturing includes determining a track for manufacturing a layer of a component with a powder blend; traversing the track with a conditioning energy beam to cause sintering of powder particles along a denuded region within the powder blend; and traversing the track with a melting energy beam subsequent to the conditioning energy beam to from the layer of the component. An additive manufacturing system includes a build chamber that contains a powder blend; a controller operable to determine a track for manufacturing a layer of a component with the powder blend in the build chamber; a conditioning energy beam directed along the track by the controller to cause sintering of powder particles along a denuded region within the powder blend; and a melting energy beam directed along the track by the controller subsequent to the conditioning energy beam to form the layer of the component.

Conditioning process for additive manufacturing

An electrocaloric element for a heat transfer system includes an electrocaloric material of a copolymer of (i) vinylidene fluoride, and (ii) an addition polymerization monomer that is larger than vinylidene fluoride and includes a substituent more electronegative than chlorine. Electrodes are disposed on opposite surfaces of the electrocaloric material, and an electric power source is configured to provide voltage to the electrodes. The system also includes a first thermal flow path between the electrocaloric material and a heat sink, and a second thermal flow path between the electrocaloric material and a heat source.

Electrocaloric heat transfer system comprising copolymers

A method of evaluating an additive manufacturing process includes receiving a set of additive manufacturing parameters and an additive manufacturing part design at an analysis module, receiving a set of random values at the analysis module, determining a probability distribution of stochastic flaws within a resultant additively manufactured article using at least one multidimensional space physics model, and categorizing the additive manufacturing part design as defect free when the probability distribution is below a predefined threshold. Each value in the set of random values corresponds to a distinct variable in a set of variables. Each variable in the set of variables at least partially defines at least one of an uncontrolled additive manufacturing parameter and an uncontrollable additive manufacturing parameter.

System and process for verifying powder bed fusion additive manufacturing operation as being defect free

A heat transfer system is disclosed in which, an electrocaloric material includes a copolymer of a monomer mixture including (i) vinylidene fluoride, (ii) an addition polymerization monomer selected from tetrafluoroethylene, trifluoroethylene, or a monomer smaller than trifluoroethylene, and (iii) a halogenated addition polymerization monomer different than (ii) that is larger than vinylidene fluoride. The electrocaloric material also includes an additive selected from a nucleating agent having a polar surface charge, electrocalorically active solid particles, or a combination thereof. Electrodes are disposed on opposite surfaces of the electrocaloric material, and an electric power source is configured to provide voltage to the electrodes. The system also includes a first thermal flow path between the electrocaloric material and a heat sink, and a second thermal flow path between the electrocaloric material and a heat source.

Electrocaloric heat transfer system

An electrocaloric element for a heat transfer system includes an electrocaloric material of a copolymer of (i) vinylidene fluoride, (ii) an addition polymerization monomer selected from tetrafluoroethylene, trifluoroethylene, vinyl fluoride, or combinations thereof, and (iii) a halogenated addition polymerization monomer larger than vinylidene fluoride. It is also provided that: (a) the monomer (ii) includes an addition polymerization monomer smaller than trifluoroethylene, (b) at least one of the addition polymerization monomers (ii) or (iii) is a chiral monomer, and the copolymer includes syndiotactic ordered segments of chiral monomer units, and/or (c) at least one of the addition polymerization monomers (ii) or (iii) comprises chlorine, and the copolymer includes an ordered distribution of monomer units comprising chlorine along the copolymer polymer backbone.

A multilayer abradable coating includes at least one first abradable layer; and at least one second abradable layer, wherein the first abradable layer and the second abradable layer have different properties related to erosion resistance.

Multilayer abradable coating

Provided are techniques that include operating a spiral contactor. The techniques include receiving, by a spiral contactor, a first fluid, and receiving a second fluid, wherein the first fluid is different than the second fluid. The techniques also include exchanging the first fluid and the second fluid using the spiral contactor, and outputting a deoxygenated fluid from the spiral contactor, wherein the deoxygenated fluid has a lower oxygen concentration than the first fluid.

Fuel deoxygenation with a spiral contactor

A method includes accessing a first model defining a shape of a part. The shape of the part is segregated into a plurality of predefined shapes selected from a library of predefined shapes. The predefined models for each of plurality of predefined shapes are assembled into a second model defining the shape of the part. The part is additively manufactured according to the second model.

Library of predefined shapes for additive manufacturing processes

An article includes a MAX phase solid and a high temperature melting point metallic material interdispersed with the MAX phase material.

Vibration damping material for high temperature use

A powder processing machine includes a work bed, a powder deposition device operable to deposit powder in the work bed, at least one energy beam device operable to emit an energy beam with a variable beam power and direct the energy beam onto the work bed with a variable beam scan rate to melt and fuse regions of the powder, and a controller operable to dynamically control at least one of the beam power or the beam scan rate to change how the powder melts and fuses. The controller is configured to determine whether an instant set of process parameters falls within a defect condition or a non-defect condition and adjust at least one of the beam power or the beam scan rate responsive to the defect condition such that the instant set of process parameters falls within the non-defect condition.

Control for powder fusion

Growing community of inventors

West Hartford, CT, United States of America

Sergei F Burlatsky