Patents by Inventor Paulo Guedes-Pinto

Paulo Guedes-Pinto 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: 10221662
    Abstract: A submersible well fluid system for operating submerged in a body of water may include an electric machine and a fluid end. The electric machine includes a rotor and a stator residing in a first housing at specified conditions. The fluid end may include an impeller and be coupled to the electric machine. The submersible well fluid system may also include an adjustable speed drive for the electric machine in the housing. The submersible well fluid system may also include a chemical distribution system for supplying treatment chemicals to the submersible well fluid system, a barrier fluid supply system for supplying a barrier fluid to the submersible well fluid system, and a pressure management system.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: March 5, 2019
    Assignee: FMC Technologies, Inc.
    Inventors: Christopher E. Cunningham, Eduardo Cardoso, Timothy Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert Perry, John Davis Sink
  • Patent number: 10130016
    Abstract: In one embodiment, a power cell module includes: a high frequency line converter (HFLC) to receive a phase of input power from a utility source, the HFLC including a first silicon carbide (SiC) stage and a second SiC stage; a transformer having a primary coil coupled to the HFLC and a secondary coil coupled to a high frequency motor converter (HFMC); the HFMC to output a phase of output power to a load, the HFMC including a third SiC stage and a fourth SiC stage; and a two-phase cooling system having conduits that are adapted to provide a flow of cooling media through the HFLC, the transformer and the HFMC.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: November 13, 2018
    Assignee: TECO—Westinghouse Motor Company
    Inventors: Enrique Ledezma, Ryan Edwards, Paulo Guedes-Pinto, Bhaskara Palle, Randall Pipho, Alex Skorcz
  • Publication number: 20180064001
    Abstract: In one embodiment, a power cell module includes: a high frequency line converter (HFLC) to receive a phase of input power from a utility source, the HFLC including a first silicon carbide (SiC) stage and a second SiC stage; a transformer having a primary coil coupled to the HFLC and a secondary coil coupled to a high frequency motor converter (HFMC); the HFMC to output a phase of output power to a load, the HFMC including a third SiC stage and a fourth SiC stage; and a two-phase cooling system having conduits that are adapted to provide a flow of cooling media through the HFLC, the transformer and the HFMC.
    Type: Application
    Filed: August 25, 2017
    Publication date: March 1, 2018
    Inventors: Enrique Ledezma, Ryan Edwards, Paulo Guedes-Pinto, Bhaskara Palle, Randall Pipho, Alex Skorcz
  • Publication number: 20160145980
    Abstract: A submersible well fluid system for operating submerged in a body of water may include an electric machine and a fluid end. The electric machine includes a rotor and a stator residing in a first housing at specified conditions. The fluid end may include an impeller and be coupled to the electric machine. The submersible well fluid system may also include an adjustable speed drive for the electric machine in the housing. The submersible well fluid system may also include a chemical distribution system for supplying treatment chemicals to the submersible well fluid system, a barrier fluid supply system for supplying a barrier fluid to the submersible well fluid system, and a pressure management system.
    Type: Application
    Filed: March 13, 2014
    Publication date: May 26, 2016
    Applicant: FMC Technologies, Inc.
    Inventors: Christopher E. Cunningham, Eduardo Cardoso, Timothy Bartlett, Paulo Guedes-Pinto, Co Si Huynh, Robert Perry, John Davis Sink
  • Patent number: 8421297
    Abstract: Electric machines with, and related methods for, improved fluid flow through the electric machines are disclosed. According to some implementations, an electric machine may include a central opening and a plurality of teeth facing inwardly toward the central opening. Slots may be defined between adjacent teeth, and a wedge may be disposed in one or more of the slots, partitioning the slots into a coils portion and an open portion. A gap may be defined between the stator core and the rotor. A fluid flow path defined from the gap and the open portions of the slots provide for improved fluid flow through the electric machine. Wedges disposed in the slots to maintain the coils into a packed state.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: April 16, 2013
    Assignee: Direct Drive Systems, Inc.
    Inventors: John Stout, Daniel M. Saban, Paulo Guedes-Pinto
  • Patent number: 8415854
    Abstract: A stator core for a stator of an electrical machine includes an elongate stator yoke having an interior surface that defines an axial central opening through the stator yoke. The interior surface further defines a plurality of axial channels about a perimeter of the central opening. A plurality of stator teeth are retained in the plurality of axial channels and spaced apart from one another to define to define axial channels to receive windings of the stator.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: April 9, 2013
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Patent number: 8350432
    Abstract: An electric machine system includes an electric machine and a companion device. The electric machine has a stationary member and a movable member that, by interaction of magnetic fields, at least one of moves relative to the stationary member or generates electricity when moved relative to the stationary member. One of the stationary member and the movable member includes a permanent magnet. The companion device is coupled to the electric machine to communicate mechanical movement with the movable member. In certain instances, the electric machine system has adaptations for operation of the electric machine system subsea and/or in a corrosive environment.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: January 8, 2013
    Assignee: Direct Drive Systems, Inc.
    Inventors: Paulo Guedes-Pinto, Daniel M. Saban, John Stout, Venkateshwaran Krishnan, Dennis Strouse, Alex Ivaschenko
  • Patent number: 8334630
    Abstract: A stator core for a stator of an electrical machine includes an elongate stator yoke having an interior surface that defines an axial central opening through the stator yoke. The interior surface further defines a plurality of axial channels about a perimeter of the central opening. A plurality of stator teeth are retained in the plurality of axial channels and spaced apart from one another to define to define axial channels to receive windings of the stator.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: December 18, 2012
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Patent number: 8310123
    Abstract: A rotor for an electric machine may include a rotor hub, a plurality of permanent magnets disposed about the rotor hub, a first sleeve circumjacent the plurality of permanent magnets, and a second sleeve. The second sleeve may be formed from a metal tape wrapped over the first sleeve. The second sleeve may be bonded to first and second end rings disposed at adjacent ends of the rotor hub. The metal tape may be applied in tension and may wrapped to form butt laps over the first sleeve. The metal tape may be corrosion resistant. Further, the second sleeve formed from the metal tape may protect the rotor from erosion and abrasion from fluid passing over the rotor.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: November 13, 2012
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Patent number: 8253298
    Abstract: A stator includes an elongate core defining an inner volume to receive a rotor of an electric machine. The core includes a yoke and an array of teeth extending from the yoke toward the inner volume. The array of teeth defines slots between each pair of adjacent teeth in the array. Each slot includes a first slot region adapted to hold at least a portion of a conductive winding and a second slot region adapted to hold at least a portion of a conductive winding. The first slot region is defined by two non-parallel opposing slot side portions, and the second slot region is defined by two parallel opposing slot side portions.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: August 28, 2012
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, John Stout, Paulo Guedes-Pinto
  • Patent number: 8247938
    Abstract: A rotor for an electrical machine includes an elongate rotor core assembly comprising a rotor core and a plurality of permanent magnets arranged in a plurality of rings around the rotor core. A composite sleeve resides around the rotor core assembly. The sleeve includes an outer layer and a segmented layer beneath the outer layer. The outer layer includes a plurality of discrete, non-overlapping circumferential bands of composite material positioned orthogonal to a longitudinal axis of the rotor core assembly.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: August 21, 2012
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Patent number: 8237320
    Abstract: A sleeve about an electric machine rotor core and the plurality of permanent magnets has a fiber-reinforced composite layer about the rotor core and the plurality of permanent magnets. At least a portion of the sleeve about the rotor core and the permanent magnets has a coefficient of thermal expansion that is substantially equal to the aggregate coefficient of thermal expansion of the rotor core and the plurality of permanent magnets.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: August 7, 2012
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Patent number: 8154158
    Abstract: An electrical machine includes a stator and a rotor disposed in a housing of the electrical machine. The stator includes windings having a first set of end turns at a first end of the stator and having a second set of end turns at a second, opposing end of the stator. The stator has a substantially tubular shape and an interior lateral surface. The rotor extends through the interior of the stator. A flow inlet into a volume in the housing about the first end turns is located radially outside of the interior lateral surface of the stator. A flow outlet from the volume in the housing about the first end turns is located radially outside of the interior lateral surface. The inlet and the outlet are cooperatively arranged to communicate a flow of fluid substantially transverse across the first end of the stator.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: April 10, 2012
    Assignee: Direct Drive Systems, Inc.
    Inventors: Daniel M. Saban, Cassandra Bailey, Paulo Guedes-Pinto
  • Publication number: 20100019589
    Abstract: A stator includes an elongate core defining an inner volume to receive a rotor of an electric machine. The core includes a yoke and an array of teeth extending from the yoke toward the inner volume. The array of teeth defines slots between each pair of adjacent teeth in the array. Each slot includes a first slot region adapted to hold at least a portion of a conductive winding and a second slot region adapted to hold at least a portion of a conductive winding. The first slot region is defined by two non-parallel opposing slot side portions, and the second slot region is defined by two parallel opposing slot side portions.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Inventors: Daniel M. Saban, John Stout, Paulo Guedes-Pinto
  • Publication number: 20100019613
    Abstract: A stator core for a stator of an electrical machine includes an elongate stator yoke having an interior surface that defines an axial central opening through the stator yoke. The interior surface further defines a plurality of axial channels about a perimeter of the central opening. A plurality of stator teeth are retained in the plurality of axial channels and spaced apart from one another to define to define axial channels to receive windings of the stator.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Applicant: DIRECT DRIVE SYSTEMS, INC.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Publication number: 20100019602
    Abstract: A rotor for an electrical machine includes an elongate rotor core assembly comprising a rotor core and a plurality of permanent magnets arranged in a plurality of rings around the rotor core. A composite sleeve resides around the rotor core assembly. The sleeve includes a primarily axially-oriented outer layer and an intermediate layer beneath the outer layer. The intermediate layer includes a circumferential band of composite material positioned orthogonal to a longitudinal axis of the rotor core assembly.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Publication number: 20100019609
    Abstract: A stator for an electric machine includes multiple conductive coils. Each coil defines a loop that extends axially through the elongate core, exits the core through an end face, and reenters the core through the end face. A first subset of the coils collectively form a first radial layer axially exterior the core and a third radial layer axially exterior the core. Each coil in the first subset resides in both the first layer and the third layer. A second subset of the coils collectively forms a second radial layer axially exterior the core and a fourth radial layer axially exterior the core. Each coil in the second subset residing in both the second layer and the fourth layer.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Inventors: John Stout, Daniel M. Saban, Paulo Guedes-Pinto
  • Publication number: 20100019600
    Abstract: A sleeve about an electric machine rotor core and the plurality of permanent magnets has a fiber-reinforced composite layer about the rotor core and the plurality of permanent magnets. At least a portion of the sleeve about the rotor core and the permanent magnets has a coefficient of thermal expansion that is substantially equal to the aggregate coefficient of thermal expansion of the rotor core and the plurality of permanent magnets.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto
  • Publication number: 20100019590
    Abstract: An electric machine system includes an electric machine and a companion device. The electric machine has a stationary member and a movable member that, by interaction of magnetic fields, at least one of moves relative to the stationary member or generates electricity when moved relative to the stationary member. One of the stationary member and the movable member includes a permanent magnet. The companion device is coupled to the electric machine to communicate mechanical movement with the movable member. In certain instances, the electric machine system has adaptations for operation of the electric machine system subsea and/or in a corrosive environment.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Applicant: DIRECT DRIVE SYSTEMS, INC.
    Inventors: Paulo Guedes-Pinto, Daniel M. Saban, John Stout, Venkateshwaran Krishnan, Dennis Strouse, Alex Ivaschenko
  • Publication number: 20100019601
    Abstract: A rotor for an electric machine may include a rotor hub, a plurality of permanent magnets disposed about the rotor hub, a first sleeve circumjacent the plurality of permanent magnets, and a second sleeve. The second sleeve may be formed from a metal tape wrapped over the first sleeve. The second sleeve may be bonded to first and second end rings disposed at adjacent ends of the rotor hub. The metal tape may be applied in tension and may wrapped to form butt laps over the first sleeve. The metal tape may be corrosion resistant. Further, the second sleeve formed from the metal tape may protect the rotor from erosion and abrasion from fluid passing over the rotor.
    Type: Application
    Filed: July 1, 2009
    Publication date: January 28, 2010
    Applicant: DIRECT DRIVE SYSTEMS, INC.
    Inventors: Daniel M. Saban, Paulo Guedes-Pinto