Patents by Inventor Manuele Bigi

Manuele Bigi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10774839
    Abstract: 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.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: September 15, 2020
    Assignee: THERMODYN SAS
    Inventors: Thomas Alban, Sylvain Guillemin, Manuele Bigi, Guiseppe Iurisci, Stefano Falomi
  • Patent number: 10746178
    Abstract: 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.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: August 18, 2020
    Assignee: NUOVO PIGNONE TECNOLOGIE SRL
    Inventors: Luciano Mei, Manuele Bigi
  • Patent number: 10738789
    Abstract: 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.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: August 11, 2020
    Assignee: NUOVO PIGNONE SRL
    Inventors: Giacomo Ragni, Francesco Bongini, Manuele Bigi, Paolo Trallori, Massimiliano Ortiz Neri
  • Patent number: 10724528
    Abstract: 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.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: July 28, 2020
    Assignee: NUOVO PIGNONE SRL
    Inventors: Manuele Bigi, Luciano Mei
  • Patent number: 10697469
    Abstract: 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.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: June 30, 2020
    Assignee: NUOVO PIGNONE SRL
    Inventors: Manuele Bigi, Simone Marchetti, Luciano Mei, Odd Marius Rosvold, Marco M A Anselmi
  • Patent number: 10697421
    Abstract: 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.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: June 30, 2020
    Assignee: NUOVO PIGNONE SRL
    Inventors: Luciano Mei, Massimo Camatti, Manuele Bigi
  • Patent number: 10519959
    Abstract: 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.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: December 31, 2019
    Assignee: Nuovo Pignone Tecnologie Srl
    Inventors: Giusepe Sassanelli, Manuele Bigi, Suresh Devenbu
  • Patent number: 10487697
    Abstract: A carbon dioxide compression system is disclosed. The system comprises at as a first compressor stage and a second compressor stage arranged in series, at least one inter-stage heat exchanger arranged to receive a compressed gas containing carbon dioxide flowing from the first compressor stage into the second compressor stage and to remove waste heat from the compressed gas, and an energy conversion unit, wherein at least part of the waste heat is recovered and transformed into mechanical energy.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: November 26, 2019
    Assignee: Nuovo Pignone S.P.S.
    Inventors: Matteo Berti, Francesco Bellantone, Marco De Iaco, Paolo Del Turco, Manuele Bigi
  • Patent number: 10378582
    Abstract: A magnetic bearing comprising a stator magnetic circuit secured to a stationary support device, the stator magnetic circuit comprising at least one coil and a ferromagnetic body placed in a protective annular support, the protective annular support leaving uncovered a surface of the ferromagnetic body and a surface of the at least one coil. The bearing also comprises at least one annular plug placed on the surface of the at least one coil which is left uncovered by the protective annular support, and the annular plug and the surface of the ferromagnetic body which is left uncovered by the protective annular support are coated by a protective layer.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 13, 2019
    Assignee: Nuovo Pignone SRL
    Inventors: Luciano Mei, Duccio Fioravanti, Marco Romanelli, Marco Anselmi, Manuele Bigi
  • Patent number: 10280932
    Abstract: The turbomachine comprises a stationary component, a rotary component, rotatingly supported in the stationary component, and a sealing arrangement between the rotary component and the stationary component. A cooling arrangement is further provided, which is configured and designed for delivering a cooling fluid to the sealing arrangement and removing heat therefrom.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: May 7, 2019
    Assignee: Nuovo Pignone SRL
    Inventors: Luciano Mei, Massimiliano Borghetti, Massimo Pinzauti, Manuele Bigi, Luca Innocenti, Alberto Ceccherini, Marco Formichini, Rajesh Mavuri
  • Publication number: 20190072096
    Abstract: 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.
    Type: Application
    Filed: July 8, 2016
    Publication date: March 7, 2019
    Inventors: Luciano MEI, Manuele BIGI, Giacomo RAGNI
  • Publication number: 20190048895
    Abstract: 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.
    Type: Application
    Filed: March 6, 2017
    Publication date: February 14, 2019
    Applicant: Nuovo Pignone Tecnologie Srl
    Inventors: Manuele BIGI, Giuseppe SASSANELLI, Duccio FIORAVANTI, Massimiliano ORTIZ NERI, Matteo DOZZINI
  • Publication number: 20190048884
    Abstract: 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.
    Type: Application
    Filed: March 17, 2017
    Publication date: February 14, 2019
    Inventors: Matteo DOZZINI, Manuele BIGI, Duccio FIORAVANTI, Massimiliano ORTIZ NERI
  • Publication number: 20190010947
    Abstract: 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.
    Type: Application
    Filed: July 16, 2016
    Publication date: January 10, 2019
    Inventors: Luciano MEI, Manuele BIGI
  • Patent number: 10151316
    Abstract: A motor-compressor unit for sub-sea applications, including a pressure casing, and an electric motor housed in a motor compartment formed in the pressure casing and a compressor housed in a compressor compartment formed in the pressure casing. A shaft drivingly connects the electric motor and the compressor. At least one magnetic bearing rotatingly supports the shaft and a control system is provided for controlling the magnetic bearing. The control system is housed in a control system compartment structurally connected to and supported by the pressure casing.
    Type: Grant
    Filed: November 26, 2015
    Date of Patent: December 11, 2018
    Assignee: Nuovo Pignone Srl
    Inventors: Massimo Camatti, Roberto Esposito, Massimiliano Ortiz Neri, Manuele Bigi
  • Publication number: 20180351285
    Abstract: An electrical connection assembly for subsea applications includes an electrical conductor cable electrically connectable to a winding of an electrical load and electrically connectable to an electrical power source; a first insulating element configured to be placed over the winding; a second insulating element placed over the electrical conductor cable; the first insulating element partially overlaps the second insulating element, the first insulating element is sealed onto the second insulating element.
    Type: Application
    Filed: November 28, 2016
    Publication date: December 6, 2018
    Inventors: Manuele BIGI, Massimiliano ORTIZ NERI, Matteo DOZZINI, Iacopo DEL CORONA, Alberto MILANI
  • Patent number: 10125815
    Abstract: A rotating machine comprises a shaft, a casing, at least one main magnetic bearing connected to the shaft for rotatably supporting the shaft inside the casing, at least one auxiliary radial rolling bearing and at least one auxiliary axial rolling bearing which are disposed between the shaft and the casing to respectively support radial loads only and axial loads only.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: November 13, 2018
    Assignee: Nuovo Pignone Srl
    Inventors: Luciano Mei, Manuele Bigi, Giuseppe Sassanelli
  • Patent number: 10119572
    Abstract: A magnetic bearing assembly for a rotary machine, having a rotor circuit and a stator magnetic circuit secured to a stationary support element having 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 facing a surface of revolution of the rotor circuit. The bearing assembly comprises at least one row of blades secured on the rotor circuit.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: November 6, 2018
    Assignee: NUOVO PIGNONE SRL
    Inventors: Andrea Massini, Luciano Mei, Manuele Bigi
  • Patent number: 10087987
    Abstract: A rotating machine comprises a shaft, a casing, at least one main magnetic bearing connected to the shaft for rotatably supporting said shaft inside the casing, at least one first and one second auxiliary rolling bearings positioned between the shaft and the casing to support axial and radial loads, and first and second axial abutment means positioned on the shaft to transmit axial loads to inner rings of the rolling bearings. The machine further comprises a spacer axially positioned between facing faces of the inner rings of said rolling bearings for the transmission of the axial loads between said inner rings, and at least a first axial retaining means positioned on the casing and located axially between facing faces of the outer rings for the transmission of the axial loads between at least one of said outer rings and the casing.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: October 2, 2018
    Assignee: Nuovo Pignone Srl
    Inventors: Stefano Falomi, Manuele Bigi, Duccio Fioravanti, Luciano Mei
  • Publication number: 20180231012
    Abstract: 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.
    Type: Application
    Filed: October 2, 2015
    Publication date: August 16, 2018
    Inventors: Giacomo RAGNI, Francesco BONGINI, Manuele BIGI, Paolo TRALLORI, Massimiliano ORTIZ NERI