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Thermodyn Sas

Manuele Bigi

Luciano Mei

Massimiliano Ortiz Neri

Duccio Fioravanti

Giuseppe Sassanelli

Andrea Massini

Massimo Camatti

Matteo Dozzini

Massimiliano Borghetti

Piero Iacopetti

Leonardo Tognarelli

Massimo Giannozzi

Iacopo Giovannetti

Rajesh Mavuri

Dino Bianchi

Marco Formichini

Bhaskara Kosamana

Giacomo Ragni

Giusepe Sassanelli

Lakshmanudu Kurva

Stefano Falomi

Thomas Alban

Matteo Berti

Odd Marius Rosvold

Marco De Iaco

Massimo Pinzauti

Paolo Del Turco

Matteo Bertoneri

Marco Anselmi

Marco Romanelli

Alessandro Ciani

Francesco Bellantone

Paolo Trallori

Simone Marchetti

Kalyan Kumar Venkatachalam

Sylvain Guillemin

Vincenzo Branchetti

Luca Lombardi

Alberto Ceccherini

Suresh Devenbu

Francesco Bongini

Guiseppe Iurisci

Luca Innocenti

Roberto Esposito

Kalyankumar V

Luigi Podesta

Rajesh Mamidi

Suresh Devanbu

Marco M A Anselmi

Riccardo Cini

Luigi Podesta'

Duccio Fioraventi

The centrifugal compressor comprises a casing and a rotor arranged in the casing and configured to rotate around a vertical rotation axis. The rotor comprises at least one impeller having an impeller suction side and an impeller delivery side. The compressor includes a gas inlet and a gas outlet, as well as a gas flow path extending from the gas inlet to the gas outlet. An inlet plenum extends from the gas inlet towards the impeller suction side. At least one suction tube having a lower suction end and an upper discharge end is arranged such that the lower suction end thereof is arranged at a bottom of the inlet plenum. The suction tube extends upwardly towards the impeller suction side.

Compressor with a system for removing liquid from the compressor

A magnetic bearing assembly for a rotary machine having a rotor shaft, comprising a stator magnetic circuit secured to a stationary support element and comprising at least one body of ferromagnetic material and at least one coil, both being fitted in a protective annular housing leaving uncovered a surface of revolution of said ferromagnetic body and a surface of revolution of said one coil, the magnetic bearing assembly comprising an annular thrust collar secured to the rotor shaft and radially extending towards the stator magnetic circuit by a radial portion, said radial portion facing the uncovered surfaces of said ferromagnetic body and said one coil. The annular thrust collar comprises at least one flow channel.

Magnetic bearing assembly having inner ventilation

A subsea assembly comprising an electric subsea machine having an electric motor driving an operator, and a coolant circuit at least partially located in thermal contact with the electric motor, the coolant circuit including a cooling assembly located externally from the subsea machine, the cooling assembly comprising at least a heat transfer element, the subsea machine and the cooling assembly being supported by a common supporting frame; at least a part of the heat transfer element is integrated in the frame.

Subsea assembly

According to one aspect of the present disclosure, a turbo-compressor () is provided. The turbo-compressor () includes: a rotor assembly () extending in an axial direction A and comprising at least one impeller () configured for pressurizing a gas; a magnetic bearing () supporting the rotor assembly () on a high-pressure side () of the at least one impeller (); and a cooling passage () configured for directing a first portion of the pressurized gas (P) through a bearing gap () of the magnetic bearing () for cooling the magnetic bearing (). According to a further aspect, a method of operating a turbo-compressor is described.

Turbo-compressor and method of operating a turbo-compressor

A magnetic bearing for a turbomachine includes a stator fixable to a structure of a turbomachine; a rotor magnetically coupled to the stator and defining a rotation axis, the rotor having a front central surface, a rear central surface opposite to the front central surface and an external surface with respect to the rotation axis; the rotor is provided with an internal channel configured to displace cooling fluid.

Magnetic bearing for a turbomachine

A motorcompressor comprising an electric motor, a load, a shaft assembly, the electric motor and the load being mounted on the shaft assembly, a casing configured to completely house the electric motor, the load and the shaft assembly for its entire length, a divider located in the casing to define a motor chamber and a load chamber, the divider comprising at least a pumping device configured to transfer a part of the fluid present in the motor chamber to the load chamber so as to obtain in the motor chamber a pressure that is lower than a pressure at a load inlet.

Motorcompressor and method to improve the efficiency of a motorcompressor

A compressor has a lower inlet with an intake plenum and an upper outlet with a discharge scroll; the compressor includes a plurality of drainage pipes ending at the intake plenum.

Centrifugal compressor without external drainage system, motorcompressor and method of avoiding external drainage in a compressor

A set of impellers that are axially adjacent to each other and that have respective axial through holes are assembled. At least a first and a second axial tie rods are used. At least one connection element being axially adjacent to two impellers respectively at its two sides and having an axial through hole is provided. The connection element is used for securing, at one side of its axial through hole, an end of the first axial tie rod and, at the other side of its axial through hole, an end of the second axial tie rod. Typically, the connection element is one of the impellers of the set.

Method of assembling a set of impellers through tie rods impeller and turbomachine

An impeller wheel assembly for a radial rotating machine, comprises a bladed hub portion of an impeller wheel, with a first radially outward facing, fluid deflecting surface having a curvature profile designed to deflect an axial fluid flow into a radial centrifugal flow, and comprising a deflector portion with a second radially outward facing, fluid deflecting surface. The second radially outward facing surface has a curvature profile designed to deflect a radial centripetal fluid flow into an axial fluid flow.

Device for generating a dynamic axial thrust to balance the overall axial thrust of a radial rotating machine

A drainage apparatus for a motorcompressor comprises a first pipe with a first end configured to be inserted in a drainage sump of a motorcompressor; a second end configured to be connected to a duct of a stage of the motorcompressor; a device for generating a pressure difference between said second and said first end so that liquid is taken from said drainage sump and delivered into said duct.

Drainage apparatus for a motorcompressor

A turbomachine has a casing where liquid may accumulate; at least one liquid level detector is located inside the casing for automatically detecting liquid accumulated inside the casing during operation of the turbomachine; the liquid level detector may be arranged for detecting one or two or three or four liquid levels inside the casing; the liquid level detector is typically connected to an electronic unit at least for automatically signaling the liquid level. The electronic unit controls at least one valve for automatically discharging the accumulated liquid from the casing; in this way, the status of the turbomachine is not only monitored but also managed.

Method of monitoring the status of a turbomachine having a casing wherein liquid may accumulate, arrangement and turbomachine

A cooling system for cooling an integrated, high pressure, motorcompressor unit, the cooling system including a second motorcompressor unit and at least a first duct fluidly connecting a process fluid connection point located at the second motorcompressor unit to at least one process fluid injection point located at the first motor area of the first motorcompressor unit.

Cooling system for cooling a motorcompressor unit

A casing for a subsea compressor comprises a main body having a central axis; a plurality of interconnection flanges attached to the main body; wherein the main body comprises an inner layer made of corrosion resistant material; an outer layer applied over the inner layer and made of a composite material; wherein the outer layer extends along the entire length of said main body.

Casing for a turbomachine

An integrated turbomachine is described, comprising: a casing; an electric motor and a driven turbomachine component housed in the casing; a rotating shaft drivingly connecting the electric motor and the driven turbomachine component; a thrust bearing and a radial bearing rotatingly supporting the shaft; an axial locking device housed inside the casing, for applying a thrust to the shaft, parallel to the rotation axis (A-A) of the shaft, and comprised of an actuator member, configured to selectively activate and/or deactivate the axial locking device.

Integrated turbomachine with an axial locking device

A compressor end head for providing a thermal barrier to a mechanical seal includes an inner end head having an inner end head opening, inner end head grooves in the inner end head opening, configured to place and seal an end portion of a compressor shaft; and an outer end head having an outer end head opening configured to enclose the inner end head.

Compressor end head heating arrangement

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Florence, Italy

Manuele Bigi