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Ebara Elliott Energy is proud of its 100-year history of excellence in the field of turbomachinery and believes that the investment in research and development promotes the development of superior products. Our patents reflect the significant investment spent on research and engineering each year. In accordance with Section 287 of the revised Title 35 of the United States Code, the reader is hereby notified of Ebara Elliott Energy's rights in the United States patents listed on this site and associated with our products.
Ebara Elliott Energy's Technical Service Library provides technical information and updates on our products. The information is presented in the form of numbered Technical Service Letters (ETSLs), which are available to registered users.
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This article considers the challenges associated with the compression and transportation of high-pressure hydrogen through existing pipelines.
This first part of a two-part article examines the use of compressors and pumps in the LNG value chain.
The authors introduce a promising technology for large-scale carbon storage compression applications.
The authors discuss how turbomachinery advancements can improve the performance of various energy storage systems, including hydrogen.
In this article, the authors explore the application of hybrid centrifugal compressor and pump packages for carbon sequestration CO2 compression.
The authors discuss how modern advanced control and monitoring systems for centrifugal compressors support compression plant operation at the highest possible efficiency, availability and reliability.
This article discusses how to eliminate the risk of acoustically induced pipe vibrations in centrifugal compressors.
R&D Director Klaus Brun discusses the role of compression in carbon capture and storage and Elliott's CO2Phase hybrid compressor pump solution.
In this article, Klaus Brun explains why the decarbonised energy economy requires customised compressor solutions for three primary value stream gases; hydrogen, carbon dioxide, and natural gas.
The authors discuss how ASME Power Test Code (PTC)-10 has evolved since it was first published in 1935, with the goal of improving compressor performance test accuracy.
This article in CompressorTech2 discusses laser welding for turbomachinery rotor restoration, which is gaining acceptance.
Director of Research & Development Dr. Klaus Brun discusses how hydrogen can be a viable energy transport and storage medium in a decarbonized energy economy.
Elliott R&D Director Klaus Brun discusses building new pipeline compression infrastructure to meet worldwide LNG demand.
R&D Director Klaus Brun discusses digital twins and the Gemini control system in this Turbomachinery International article on high tech control systems.
The author explores the different technology options for hydrogen compression in this article in Hydrocarbon Engineering.
This article discusses inlet piping lengths for centrifugal compressors and how much is too much.
This article in Gas Compression magazine discusses the introduction of the Flex-Op hydrogen compression arrangement. R&D Director Klaus Brun is interviewed.
Patent for a bearing that includes a thrust gas bearing attached to a journal bearing and two or more converging-diverging orifices.
This article highlights the design, benefits, and advanced technology of the 140TCH Pipeline Compressor.
Patent for a method and arrangement to minimize noise and excitation of structures due to cavity acoustic modes
A patent for methods and mechanisms for surge avoidance in multi-stage centrifugal compressors
LNG Industry Magazine asked representatives of several companies, to discuss a few LNG topics like pump limitations, features & potential hazards.
This article in Hydrocarbon Engineering explores the role of compressors in a decarbonized energy economy.
This article in LNG Industry discusses fit capacity and torque predictions for impellers used in the LNG industry.
This Gas Compression Magazine article focuses on the compression requirements of the hydrogen value stream, which depend on the type of hydrogen being used.
Video that highlights how Elliott Group contributes to global sustainability through design innovation, investment in new technologies, and working with customers to provide processing efficiencies.
LNG Industry asked representatives of several companies to discuss several issues regarding LNG compressors, including how they improve the efficiency of the LNG process.
This article highlights the use of centrifugal compressors for propane dehydrogenation, with a focus on on-purpose propylene production.
This article explores how integrally geared barrel compressors address the challenges of hydrogen compression in process applications in refineries, petrochemical plants, and energy storage.
Patent for a turbomachine including a housing with an inlet end opposite and outlet end along the longitudinal axis of the housing and a shaft assembly within the housing.
This article discusses how turbomachinery design and manufacturing technologies are the key to high-efficiency machinery, and how advanced machinery is beneficial for energy storage schemes.
This article presents a targeted approach to anti-fouling coatings for centrifugal compressors in petrochemical processing, including a review of industry standard coatings and how they are used.
This article focuses on coating solutions for centrifugal compressor fouling. It discusses several options to mitigate buildup in high-use machinery in a variety of applications and environments.
This article evaluates methods for analyzing aerodynamic losses in downstream turbomachinery.
This article discusses development of advanced 3D aerodynamic very-high-flow coefficient shrouded impeller stages and associated flow path designs as an approach to satisfy growing capacity needs.
This article discusses how finite element analysis applied to compressor impeller design can enhance compressor life, reliability, and performance in oil and gas and petrochemical applications.
This article examines typical refinery processes that require compressors including hydroprocessing, fluid catalytic cracking - power recovery, catalytic reforming, delayed coking, and alkylation.
This article discusses the various turbomachinery services that are at the heart of LNG plants, including main refrigeration service, various compressor types, and cryogenic pumps and expanders.
This article in Hydrocarbon Engineering discusses how ethylene producers can meet future plant capacity needs and maintain economies of scale without increasing cracked gas compressor size.
This article in Hydrocarbon Processing describes how to measure and predict torsional vibration in rotating equipment.
This article in Turbomachinery International presents an evaluation of acoustic blanketing to mitigate compressor noise.
Patent for a fluid bearing for use in turbomachinery including at least one bearing pad configured to be arranged about a rotating member of the turbomachinery.
Patent for a thrust bearing retainer that includes a first ring and a second ring radially spaced from the first ring with the first ring and the second ring defining an annular passageway in between.
Patent for a turbomachine that includes a plurality of rotating blades adjacent to a plurality of stationary vanes attached to a stationary casing. Stationary vanes are spaced apart circumferentially.
Patent for a method of positioning a turbomachine bearing in a squeeze film annulus. The method includes a bearing in which a rotor shaft is disposed and a bearing support mounted about the bearing.
Patent for a seating and locking system for turbomachinery that is attached to the customer column housing the turbomachine. The system includes two or more actuated pistons.
Patent for a diaphragm assembly for a centrifugal compressor that includes a return channel wall with a ring-like shape and a vane assembly with a plurality of vanes formed integrally.
Patent for a multi-axis workpiece manipulator or positioning device having movement along two rectilinear axes, two pivotable or tilt axes, and two rotational axes.
Patent for a bearing apparatus for reducing vibrations in a compressor shaft carrying a rotating compressor. The bearing apparatus has a first bearing for supporting the shaft.
Patent for an impeller, including a plurality of longitudinally-extending blades, each having a first edge and a second edge, a cover member with an inlet orifice, and a hub member.
Patent for a bearing assembly that includes an annular bearing in which the shaft is disposed and a support structure for supporting the bearing. The bearing support is mounted about the bearing.
Patent for a method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps required to shape and form the components.
Patent for an impeller axial lock that limits the axial movement of an impeller disposed on a shaft. The impeller is spaced axially from a shaft sleeve disposed about the shaft.
Patent for a magnet cradle that supports a permanent magnet in an overhung recessed slot on the surface of a permanent magnet rotor having an axis of rotation.
Patent for a weld filler metal alloy composition and a method for welding stainless steel components into a final assembly.
Patent for a method of forming an abradable seal between rotating and non-rotating components of a machine. A sheet of abradable material is formed and then cut to the desired shape.
Patent for a casing design for rotating machinery that includes two semi-cylindrical shaped shell sections. Each of the sections includes a machined flange adapted to receive fasteners.
Patent for a method of arc welding to build the thickness of a high-sulfur, low-alloy steel workpiece, including the steps for preparing the workpiece surface.
Patent for a method of preventing one-cell rotating stall initiated by a bladed disc having a plurality of blades, including the steps of identifying a one-cell stall condition.
Literature describing the features and benefits of the 140TCH Pipeline Compressor.
Literature describing Elliott axial compressor modifications and rerates to increase operational life by optimizing performance and reducing downtime
Success story that describes how Elliott repaired a damaged blower using repaired components from the failed unit and new parts to minimize downtime and increased production costs
Literature describing Elliott's online performance prediction tool (OPPT) for Elliott compressors to help operators observe and collect compressor performance data and pinpoint potential issues
Success story that describes how Elliott rerated a multi-stage wet gas compressor for refrigerated propane in only 30 weeks
Literature describing Elliott compressor seal replacement and upgrades
Literature describing Elliott diaphragm storage racks that can be used to store compressor or turbine diaphragms during an overhaul, or when they need to be inspected, cleaned, or repaired
Literature describing Elliott dry gas seals, which use a sealing gas to create a barrier between the process gas and the atmosphere, eliminating the need for oil supply systems
Success story that describes how Elliott rerated a non-Elliott steam turbine and compressor using reverse engineering tools to achieve new process requirements for a Thailand refinery
Literature that describes Elliott boil off gas compression solutions for liquefied natural gas (LNG) applications
Literature describing Elliott compression solutions for LNG
Literature that describes Elliott's compressors for use in world-scale ethylene plants
Literature describing Elliott laser welding applications for turbomachinery repairs
Literature that describes Elliott's gas turbine driven compression packages for offshore production
Literature describing Elliott compressors and steam turbines in refinery applications, including hydroprocessing, fluid catalytic cracking - power recovery, catalytic reforming, and delayed coking
This article discusses Elliott's selection as the prime contractor for design/manufacture of two refrigerant compressor trains for the Sakhalin II LNG plant in Russia.
Literature describing Elliott upstream compression solutions for oil and gas, including offshore, well head/booster stations, enhanced oil recovery, gas gathering, and gas/oil separation
Success story that describes how Elliot's emergency repairs to a non-Elliott rotor quickly restored production while a new rotor was manufactured
Literature describing Elliott Engineered Solutions for enhancing the performance of turbomachinery, including centrifugal compressors, steam turbines, and hot gas expanders
Literature describing the features and benefits of the Flex-Op Compressor arrangement.
Literature describing Elliott's high-pressure centrifugal compressors
Literature describing Elliott liquid injection systems for maintaining compressor performance, including information on sizing and selection, and wash oil injection and water injection systems
Literature providing design data for Elliott's liquid injection systems, including wash oil and water injection nozzle systems
Full color Elliott product poster for M-line centrifugal compressors
Literature describing Elliott modifications and rerates of multi-stage centrifugal compressors and other rotating equipment to meet changing production requirements
Literature describing Elliott's multi-stage centrifugal compressors
Literature describing Pos-E-Coat® 523, a heavy-duty metallic protective coating system for application on centrifugal compressor components in corrosive gas services
Literature describing Elliott modifications and rerates of single-stage centrifugal compressors to increase reliability and efficiency and improve safety
Literature describing Elliott's single-stage centrifugal compressors
Literature describing Elliott’s Pos-E-Coat® Protect, the first coating specifically formulated for hydrogen recycle compressors to protect critical components from ammonium chloride attacks
Success story that describes how Elliott used advance planning and coordination to ensure upgrades to five different equipment strings were completed successfully and on schedule
Turbomachinery International visited Elliott Group facilities in Jeannette, PA, and learned that customization and global service are key to the company's expanding opportunities.
This article in LNG Industry explains why experience and expertise are the key to LNG compression.
This Hydrocarbon Engineering article discusses the development of new materials for the manufacture of turbomachinery.
This article in Hydrocarbon Processing describes how rerating rotating equipment can optimize an olefins plant's performance.
This Turbomachinery International article discusses how a moth-balled ethylene plant in Houston became the world's largest propylene producing plant using Elliott's largest compressor.