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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.
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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.
Patent for a steam turbine that includes a high-pressure stage, a low-pressure stage, and a controller operatively connected to at least the low-pressure stage,
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.
This article details LNG liquefaction and refrigeration process improvements that occur when using two-phase flashing expanders.
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.
This article describes how to enhance cavitation performance in cryogenic centrifugal pumps, using a case study as an example.
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.
Literature describing Elliott's impulse-type, two-phase cryogenic expander that allows for the expansion of liquefied gases into two-phase mixtures.
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.
Patent for an oval steam turbine casing ornamental in design.
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.
Hydrocarbon Engineering talks to a number of leading experts in compressor technology about efficiency, equipment reliability, safety and the environment, digitalization, and life after COVID-19.
This Hydrocarbon Engineering article discusses how the use of cryogenic liquid expanders in gas liquefaction enhances plant efficiency.
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 describes how liquid and two-phase expanders are designed to boost the efficiency of LNG liquefaction.
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 describes how multi-fluid cryogenic cargo pumps have revolutionized the transportation of liquefied gases.
The effect of the inducer tip clearance is studied to understand its impact on the cavitating and non-cavitating performance of centrifugal pumps.
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.
This LNG Industry article discusses the realties of net positive suction head requirements on in-tank pumps in LNG applications.
This article in Turbomachinery International discusses how to safely remove water-soluble mineral deposits from steam turbines under normal operating conditions.
Patent for a variable speed liquid LNG expander (X1) and a variable speed two-phase LNG expander (X2) in line, downstream from X1.
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 gas turbine device that includes an inlet casing and a stator diaphragm provided inside the inlet casing. The stator diaphragm has both inner and outer stator shrouds.
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 an inducer for vertical flow, cryogenic liquid centrifugal pumps comprising a stationary outer housing portion having an inlet and an outlet.
Patent for a cryogenic turbine expander system that consists of a cryogenic liquid pressure vessel that accommodates a turbine expander, an internal bypass configuration, and a three-way valve.
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.
A patent for improvement of a turbine generator or pump having main bearings separated by a span of shaft and a thrust equalizing mechanism adjacent to one of the main bearings.
A patent for an improvement for a turbine generator or pump with main bearings separated by a span of shaft and a thrust equalizing mechanism adjacent to one of the main bearings.
Patent for a brush ring seal device for installation within a turbine packing case, including a brush seal carrier with a substantially ring-shaped body portion with a front face and a rear face.
Patent for a power recovery system using the Rankine power cycle incorporating a two-phase liquid-vapor expander with an electric generator that consists of a heat sink and a heat source.
A patent for an improvement for a turbine generator or pump having main bearings separated by a span of shaft and a thrust equalizing mechanism adjacent to one of the main bearings.
A patent for a cryogenic turbine expander system that consists of a cryogenic liquid pressure vessel that accommodates a turbine expander, an internal bypass configuration, and a three-way valve.
Patent for a method of casting a diafram having inner and outer rings with preformed vanes circumferentially spaced. A digital representation of a sand core is created.
Patent for an apparatus for exercising a steam turbine emergency shutoff valve turbine and methods for operating the same. A valve exerciser cover mounts on top of an emergency shutoff valve body.
Patent for a passive dynamic inertial rotor balance system, including a plurality of balancing members fitted onto a rotor shaft at locations of predicted maximum shaft modal deflection.
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 cryogenic turbine expander system that consists of a cryogenic liquid pressure vessel that accommodates a turbine expander, an internal bypass configuration, and a three-way valve.
Patent for an improved multistage cryogenic liquefied gas expander for transforming the energy of a pressurized liquefied gas into electric energy, capable of operating at variable speeds.
Patent for an improvement for a turbine generator or pump having main bearings separated by a span of shaft and a thrust equalizing mechanism adjacent to one of the main bearings.
A patent for an inducer with an exterior housing and/or interior hub that incorporates grooves or vanes that are helical and in counter rotation with respect to the rotation of the inducer blades.
Patent for embodiments to an expander having two or more hydraulic stages with different physical geometries.
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 cryogenic submerged turbomachine equipped with one or more combinations of hydrostatic bearings, touchdown ball bearings, thrust bearings, and bushings.
A patent for various methods and apparatus for centrifugal pumps utilizing the pump's flow-head curve.
Patent for an improved method and apparatus for supporting and adapting a high pressure pumping apparatus for use on or in a marine vessel without damaging the pumping apparatus.
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 an apparatus for assembling a permanent magnet rotor comprising a rotor fixture configured to slide over a smaller diameter bearing section of the rotor.
Patent for a turbine exhaust system that includes an annular diffuser and a collector. The annular diffuser is positioned adjacent to a final stage of the turbine and includes a hub portion.
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 apparatus and method for assembling a permanent magnet rotor comprising a rotor fixture configured to slide over a smaller diameter bearing section of the rotor.
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 balancing an embedded permanent magnet motor rotor that includes providing a non-magnetic cylindrical shaft having an axis of rotation and a generally cylindrical surface.
Patent for an insert comprising a lightweight structure configured for filling the gaps between axially spaced C-shaped lamination stacks and circumferentially spaced non-magnetic cradles.
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 a method of compressing lamination stacks for a permanent magnet rotor that includes the steps for providing a plurality of stages of lamination stacks and magnet carriers on a rotor shaft.
Patent for a valve arrangement for reducing the instability of fluid flow in a compressible flow governor valve that includes a cutoff plug with a lateral concave surface and an end portion.
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 hydraulic turbine power generator mounted on a single shaft where the turbine means includes a plurality of reaction type turbine stages arranged to be in combination.
Patent for a reversible nozzle, removably attached to a fluid emitting base, such as a half turbine casing. The reversible nozzle has a nozzle body and a nozzle tube.
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 that describes the 310SV single-valve governor, a fully integrated and configurable controller designed to handle startup and protect single-valve steam turbines driving mechanical loads.
Literature describing Elliott axial compressor modifications and rerates to increase operational life by optimizing performance and reducing downtime
Literature describing Elliott bearing isolators (EBIs), which extend the life of steam turbine rotor bearings and reduce maintenance costs by protecting the bearings from contamination
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 brush ring seals for carbon ring seals in industrial steam turbines, which provide long-term, effective sealing for the most extreme operating conditions
Success story that describes how careful planning allowed Elliott to shorten the time required for a petrochemical steam turbine turnaround
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 Cryodynamic Products cryogenic expanders for the liquefied gas industry.
Literature describing the repair services Elliott Group offers for cryogenic pumps and expanders
Literature describing the repair services Elliott Group offers in Asia Pacific for cryogenic pumps and expanders
Literature describing Elliott Cryodynamic Products cryogenic pumps and expanders for marine applications including floating, petrochemical, bunkering, cargo, and fuel gas pumps.
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 how Elliott steam turbine generator sets are used in district energy applications for heating cities and campuses.
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
Success story that describes how Elliott rerated a 40+ year old steam turbine by focusing on blade and nozzle design to minimize throttling losses and optimize efficiency.
Literature that provides an overview of Ebara Elliott Energy's history, capabilities, products, and services
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's DYRHH steam turbines
Literature describing the services Elliott Group Field Service offers for all brands of rotating equipment, including installation and commissioning, turnarounds, shutdowns and outages, and repairs.
Literature describing Elliott's high-speed steam turbines
Literature describing Elliott laser welding applications for turbomachinery repairs
Literature describing Elliott's multi-stage steam turbines
Literature that describes Elliott's gas turbine driven compression packages for offshore production
Literature describing Elliott's power recovery expanders
Success story that describes how Elliott provided a Texas refinery with a solution to a vibration issue with an FCC process expander
Literature describing Elliott's steam turbine generator sets
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
Literature describing Elliott's YR steam turbine site service program, which consists of mobile units dedicated to turbine maintenance and inspection nationwide and transport for repair or overhaul
Literature describing Elliott's YR steam turbines
Literature describing Elliott YR turbine modifications and rerates to increase efficiency and capacity, while reducing operating and maintenance costs
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
Success story that describes how Elliott repaired four major hot gas expander components and minimized costs at a major petroleum refinery
Full color Elliott product poster for FCC power recovery expanders
Literature describing the features and benefits of the Flex-Op Compressor arrangement.
Literature describing Elliott's general Machining facility
Literature that describes Elliott service and support for turbomachinery, including repair services, field service, engineered solutions, technical service, training, parts, and packaging solutions
Literature describing Elliott's Heavy Assembly and Test facility
Literature describing Elliott's Heavy Fabrication facility
Literature describing Elliott's High Speed Rotor Balance facility
Literature describing Elliott's high-pressure centrifugal compressors
Literature describing the use of an Elliott steam turbine generator set in parallel with an existing pressure reducing valve (PRV) instead of replacing the PRV for improved efficiency
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
Full color Elliott product poster for multi-valve steam turbines
Safety manual for Elliott pneumatic trip system
Literature describing Elliott's pneumatic trip system with partial stroke actuation, a SIL 3 certified system that provides a vital safety function for steam turbines
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 power recovery expander modifications and rerates to increase operational life, reverse engineering and comprehensive analytical studies, and on-site audits
Success story that describes how Elliott rerated equipment at a fertilizer plant to provide needed process capacity
Literature describing remanufactured Elliott YR steam turbines, their advantages, quality, and reliability
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
Full color Elliott product poster for single-valve steam turbines
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
Literature describing Elliott steam turbine control upgrades, including integrated process controls, the single-valve governor 310SV, and the self-powered digital governor TS300
Literature describing Elliott's steam turbine generator maintenance programs, including remote monitoring; monthly, semi-annual, and annual inspections; major overhauls; and bearing inspection
Literature providing guidelines for obtaining a steam turbine generator Request for Quotation (RFQ) from Elliott
Literature describing Elliott steam turbine modifications and rerates that increase efficiency, maintain safety and reliability, and improve control, regardless of the original equipment manufacturer
Literature describing Elliott Cryodynamic Products submerged cryogenic pumps and expanders for the liquefied gas industry and for marine, land-based, floating, and small-scale applications.
Literature describing Elliott Cryodynamic Products submerged motor pumps for ammonia applications.
Success story that details Elliott replacing hardware on an FCC hot gas expander to improve the system and then performing a successful turnaround on the same equipment years later
Literature describing Elliott's TG Governor Tachometer Kit for steam turbines, which features an LCD display that provides an ongoing reading of turbine speed to determine normal operation.
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
Literature describing the low-cost, compact, TS300 self-powered digital governor, which provides automatic startup and speed control for single-valve steam turbines driving a mechanical load
Literature that describes the TetraSentry hydraulic trip system which works in tandem with an electronic overspeed system to safety shut down a turbine, preventing damage and failure
Literature describing more details about this inducer technology.
Literature describing Elliott's YR turbine wireless sensor for turbine condition monitoring.
This article published in LNG Industry discusses current and future floating LNG projects and the role of expander design.
Technical Information and Updates for Ebara Elliott Energy Products
SIL 3 capable certification for Elliott pneumatic trip system, which when installed reduces turbine speed to less than 500 RPM in 15 minutes on an overspeed trip
This article in Hydrocarbon Engineering discusses how a rerate of a refiner's poorly performing hot gas expander resolved its reliability issues.
Full color Elliott product poster showing common upgrades for YR steam turbines
This article published in LNG Industry reviews the evolving history of submerged electrical motor pumps in the LNG industry.
This article in Hydrocarbon Engineering discusses the impacts of corrosion/erosion/ fouling upon rotating equipment in petrochemical and other refinery processes, and prevention/mitigation measures.
This article in Metal Casting Design & Purchasing describes how 3-D printing helped Elliott improve a part's dimensional accuracy while adding flexibility to the tooling for streamlined production.
This article in Gas Compression Magazine describes Elliott's introduction of a pneumatic trip system with partial stroke actuation that is changing the way turbine trip systems are tested.
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 Engineering discusses the evolution and improvements in FCC expander technology since their 1960s introduction.
This article in Hydrocarbon Processing describes how rerating rotating equipment can optimize an olefins plant's performance.
This article in Hydrocarbon Processing summarizes the development of anti-fouling type coatings for centrifugal compressors and industrial steam turbines, including Elliott coatings and processes.
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.