The Ebara Elliott Energy library of resources is available for download or online viewing. View or download our company literature, published articles, success stories, videos and animations, patent awards, industry certifications, process maps, product posters, and Technical Service Letters (ETSLs). If you can't find what you are looking for, please contact us for assistance.
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.
Ebara Elliott Energy's Technical Service Library was upgraded and you may have to re-register if you have not accessed it in a while.
To request a new account or to update your existing account, please click here. You will receive an email notice with your secure access link when your login account has been set up.
Registered users: if you have lost or forgotten your Access Link, click here for help.
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 discuss how turbomachinery advancements can improve the performance of various energy storage systems, including hydrogen.
This article in CompressorTech2 discusses laser welding for turbomachinery rotor restoration, which is gaining acceptance.
R&D Director Klaus Brun discusses digital twins and the Gemini control system in this Turbomachinery International article on high tech control systems.
Patent for a bearing that includes a thrust gas bearing attached to a journal bearing and two or more converging-diverging orifices.
Patent for a method and arrangement to minimize noise and excitation of structures due to cavity acoustic modes
Patent for an oval steam turbine casing ornamental in design.
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.
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 evaluates methods for analyzing aerodynamic losses in downstream turbomachinery.
This article in Hydrocarbon Processing describes how to measure and predict torsional vibration in rotating equipment.
This article in Turbomachinery International discusses how to safely remove water-soluble mineral deposits from steam turbines under normal operating conditions.
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 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 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 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 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 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 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 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 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.
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 bearing isolators (EBIs), which extend the life of steam turbine rotor bearings and reduce maintenance costs by protecting the bearings from contamination
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 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.
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 describing Elliott's DYRHH steam turbines
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 describing Elliott's power recovery expanders
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
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
Literature describing Elliott Engineered Solutions for enhancing the performance of turbomachinery, including centrifugal compressors, steam turbines, and hot gas expanders
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
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
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
Full color Elliott product poster for single-valve steam turbines
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'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 Elliott's YR turbine wireless sensor for turbine condition monitoring.
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
Full color Elliott product poster showing common upgrades for YR steam turbines
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 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 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.