Plural Units Or Plural Paths Patents (Class 310/59)
  • Patent number: 11293456
    Abstract: An electric liquid pump includes a casing having a central portion, rear cover and front cover, having an inlet and an outlet for the liquid. The central portion has first and second compartments, with the second compartment in fluid communication with the front cover interior. The pump includes an impeller and an electric motor, for operating the impeller, a stator housed in the first compartment, a rotor, coaxial with the stator, housed in the second compartment and an electronic card for supplying the stator at least partly housed in the rear cover. The central portion includes a plurality of walls delimiting a plurality of gaps in fluid communication with the second compartment and the front cover interior such that the liquid circulates in the gaps. The walls at least partly face the stator such that the liquid circulating in the corresponding gap removes heat from the stator.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: April 5, 2022
    Assignee: SPAL AUTOMOTIVE S.R.L.
    Inventor: Pietro De Filippis
  • Patent number: 11275000
    Abstract: Variable temperature analytical instruments are provided that can include: a mobile component comprising a cold source; a substantially fixed analysis component; and an interface configured to couple the mobile component with the analysis component. Variable temperature analytical instruments are also provided that can include: a mobile analysis component; a substantially fixed component comprising a cold source; and an interface configured to couple the mobile component with the analysis component.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: March 15, 2022
    Assignee: Montana Instruments Corporation
    Inventors: Josh Doherty, Jamesen Motley, William Baker, Joseph Evers, Ben Linkenhoker, Luke Mauritsen, Ryan Murdick, Anjan Reijnders
  • Patent number: 11261880
    Abstract: A compressor includes a rotor driven by a shaft and configured to compress air and a motor for driving the shaft. At least one bearing facilitates rotation of the shaft. A motor cooling loop is configured to provide motor cooling air to the motor. A bearing cooling loop is configured to provide bearing cooling air to the at least one bearing. A bearing support is configured to support the least one bearing, the bearing support includes an opening. A duct is configured to communicate air from the opening to an inlet of the compressor. A method for cooling a compressor is also disclosed.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 1, 2022
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Brent J. Merritt, Craig M. Beers, John M. Beck
  • Patent number: 11255215
    Abstract: A gas turbine engine includes an electrical device and a microchannel cooling system in communication with the electrical device to remove heat.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: February 22, 2022
    Assignee: Rolls-Royce North American Technologies Inc.
    Inventor: Douglas J. Snyder
  • Patent number: 11245295
    Abstract: A rotor is provided. The rotor includes a main body, a plurality of magnets and a plurality of magnet-receiving slots. The plurality of magnet-receiving slots are disposed on the main body and disposed around a central axis. Each two adjacent magnet-receiving slots are symmetrical to each other. Each magnet-receiving slot includes a slot body and a first flux barrier connected with each other. Each magnet is contained in the corresponding slot body. Each first flux barriers includes a respective arc-cutting start point. A minimum arc-cutting distance is formed between the two respective arc-cutting start points. Each of the two respective arc-cutting start points is extended toward the central axis along an arc with a first arc length radius to define a first arc-cutting end point. The first arc length radius is greater than or equal to 0.2 times of the minimum arc-cutting distance.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: February 8, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Yu-Hsiang Liu, Ta-Chien Yeh, Hsiang-Yun Hsiao, Chia-Hsiang Yang
  • Patent number: 11201523
    Abstract: A motor unit includes a motor including a rotor to rotate about a motor axis, a reduction gear including an intermediate gear to rotate about an intermediate axis and connected to the motor, a differential including a ring gear to rotate about a differential axis and connected to the reduction gear, a housing including a housing space to house the motor, the reduction gear, and the differential, oil in a vertically lower region of the housing space, and an oil passage to lead the oil from the vertically lower region of the housing space to be fed to the motor. The housing includes a ceiling portion directly above the reduction gear and the differential. At least a portion of the ring gear is lower than a liquid surface of the oil in the vertically lower region of the housing space. The motor axis, the intermediate axis, and the differential axis extend in parallel with one another along a horizontal direction. Each of the intermediate axis and the differential axis is lower than the motor axis.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: December 14, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Yuki Ishikawa, Yasuo Yamaguchi, Takayuki Migita
  • Patent number: 11183898
    Abstract: Provided is a rotary electric machine that achieves high motor efficiency with little loss. This rotary electric machine is equipped with: a stator core arranged opposing the circumferential surface of a rotor, and in which multiple slots, wherein openings opening toward the rotor are formed, are formed in the circumferential direction; and coils inserted into the slots. A mixture of a soft magnetic powder and a resin material is formed in the openings of the slots, and the relative permeability of the mixture is 5-35.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: November 23, 2021
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Genzo Iwaki, Kazuo Nishihama, Katsuya Hirata, Atsushi Abe
  • Patent number: 11183907
    Abstract: A method for manufacturing an electrical machine includes forming a plurality of laminations for a stator or a rotor, each lamination including a cooling aperture; stacking the laminations together, the cooling apertures being aligned to form a cooling passage; securing the stacked laminations together; and sealing the laminations together at at least one desired location by applying metal plating to the stacked and secured laminations at the at least one desired location.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: November 23, 2021
    Assignee: ABB Schweiz AG
    Inventors: Chenjie Lin, Sheng Zhong, Jing Xu
  • Patent number: 11171535
    Abstract: An embodiment of an electric motor assembly includes a stator assembly extending generally along the longitudinal axis and at least partially enclosing a rotor assembly also extending along the longitudinal axis. The rotor assembly includes a rotating portion and one or more sets of rotor windings. The stator assembly includes a stationary housing having at least an inner wall and an outer wall, and one or more sets of stator windings in electromagnetic communication with the one or more sets of rotor windings. A heat exchanger is integrally formed into the housing, and includes a plurality of dividing walls extending between the inner and outer housing walls. The plurality of dividing walls are arranged at least partially circumferentially around the longitudinal axis to define, with the inner and outer walls, a corresponding plurality of integral heat exchanger channels arranged at least partially circumferentially around the one or more sets of stator windings.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: November 9, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Jorge Lam-Ki, Roberto J. Perez
  • Patent number: 11152827
    Abstract: An end plate for a rotor assembly of an electrical machine includes a central through-opening for a shaft, a collar formed on an end face of the end plate on the radial outside in the circumferential direction and a plurality of elevations on the end face. The elevations and collar axially delimit a cooling channel, wherein the cooling channel forms a plurality of cooling channel sections on both sides by a respective elevation. Two elevations delimiting a cooling channel section are spaced apart from one another by a first arc length at a first radial position between the through-opening and the collar and are spaced apart from one another by a second arc length greater than the first arc length at a second radial position delimited by the collar. Each cooling channel section includes at least one fluid guide element between the first radial position and the second radial position.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: October 19, 2021
    Assignee: VALEO SIEMENS EAUTOMOTIVE GERMANY GMBH
    Inventors: Nils Krais, Philipp Söntgerath, Sebastian Waider
  • Patent number: 11143203
    Abstract: A compressor includes a rotor driven by a shaft and configured to compress air, and a motor for driving the shaft. At least one bearing is utilized for facilitating rotation of the shaft. A motor cooling loop is configured to provide motor cooling air to the motor. A bearing cooling loop is configured to provide bearing cooling air to the at least one bearing. A bearing support is configured to support the least one bearing. The rotor includes an opening which is configured to communicate bearing cooling air into a cavity between the rotor and the bearing support. A method for cooling a compressor is also disclosed.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: October 12, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Brent J. Merritt, Craig M. Beers, John M. Beck
  • Patent number: 11146145
    Abstract: A rotor assembly for an electrodynamic machine is provided. The rotor assembly comprises a lamination section and an end connector. The lamination section comprises rotor lamination sheets formed to define an annular array of axial cooling ducts mechanically supported by a plurality of radial and arched structural members that define an array of arched or angled supports to readily pass a magnetic flux via an optimal flux path. The lamination section further comprises rotor slots, with rotor conductor bars being disposed in the rotor slots. The end connector is supported by the rotor conductor bars. An axial space is formed in the lamination section by the annular array of axial cooling ducts for guiding a cooling fluid flow in an axial direction through the rotor assembly.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: October 12, 2021
    Assignee: SIEMENS INDUSTRY, INC.
    Inventors: Nicholas G. Lang, Ryan Edward Queen
  • Patent number: 11047603
    Abstract: A rotor includes a shaft extending in the direction of an axis, and a rotor core including a central hole in which the shaft is inserted. The central hole includes a first central hole, a second central hole, and a third central hole in the direction of the axis. A distance from the axis to an inner circumferential surface of the third central hole is larger than a distance from the axis to an inner circumferential surface of the second central hole. The distance from the axis to the inner circumferential surface of the second central hole is larger than a distance from the axis to an inner circumferential surface of the first central hole.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: June 29, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takaya Shimokawa, Hiroki Aso, Takanori Watanabe, Ryogo Takahashi
  • Patent number: 11038390
    Abstract: Electrical machine apparatus comprising: a rotor having an axis of rotation and defining a cavity therein; and a conduit positioned within the cavity of the rotor, the conduit comprising an inlet arranged to receive a fluid and an outlet arranged to exhaust the fluid, the inlet having a first radial distance from the axis of rotation and the outlet having a second radial distance from the axis of rotation, the first radial distance being greater than the second radial distance.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: June 15, 2021
    Assignee: ROLLS-ROYCE PLC
    Inventor: Rory D. Stieger
  • Patent number: 10985624
    Abstract: A rotor for an electric motor has a shaft and a rotor laminated core connected to the shaft. A coolant duct is formed in the rotor in order to enable coolant to flow through the coolant duct. The coolant duct has a first portion, which runs at least in regions in the rotor laminated core. The rotor laminated core has a sleeve on the outer circumferential surface in order to avoid coolant escaping at the outer circumferential surface of the rotor laminated core. In a method for producing a rotor, a material having glass fibers or carbon fibers and a resin are applied to the rotor laminated core, and the resin is subsequently cured in order to produce the sleeve.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: April 20, 2021
    Inventors: Philipp Berendes, Bernhard Wiedemann, Stefan Oechslen, Jan David Schmitz-Hübsch
  • Patent number: 10938280
    Abstract: An electric motor includes: a stator; a shaft; a rotor mounted on the shaft, the rotor having an end ring that is concentric with the shaft; and a flux shield around the shaft inside the end ring.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: March 2, 2021
    Assignee: Tesla, Inc.
    Inventors: Konstantinos Laskaris, Andrew D. Baglino, Chad Furey, David F. Nelson
  • Patent number: 10931173
    Abstract: A combined cooling and abrasion particles removal system and method for providing cooling and removing abrasion particles in a contact region between a brush and a slip ring of an electromechanical machine, the system comprising a passage for accommodating the brush and having a front opening adapted to face the slip ring, at least one supply tube with an outlet for blowing a gaseous medium at least partially into a direction towards a free space adjacent to the front opening, and at least one suction tube with an inlet opening for sucking off the gaseous medium and the abrasion particles from the free space. In order to pick up abrasion particles and provide sufficient cooling, the free space merges with a vortex chamber for generating a vortex of the gaseous medium carrying the abrasion particles in operation of the system.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: February 23, 2021
    Assignee: GE Renewable Technologies
    Inventors: Stefan Baumeister, Sebastien Bruna, Jerome Hamburger, Thierry Auzolle
  • Patent number: 10903707
    Abstract: A synchronous reluctance machine includes a stator and a rotor spaced apart from the stator by an air gap. The rotor is rotatably mounted about an axis and has laminations arranged axially behind one another. Each lamination has an anisotropic magnetic structure formed by flux blocking sections and flux conducting sections, wherein the flux blocking sections and the flux conducting sections form poles of the rotor. The flux blocking sections form axial channels, wherein in at least some flux blocking sections permanent magnets are provided that do not completely occupy the respective flux blocking section and thus allow axial airflow in all flux blocking sections. The laminated core of the rotor is axially subdivided into at least two component laminated cores, with radial cooling gaps formed between the poles in the region of the q axis as viewed in circumferential direction and between the component laminated cores as viewed axially.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: January 26, 2021
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Roland Zeichfüssl
  • Patent number: 10888965
    Abstract: A constant temperature water supply apparatus includes a temperature adjustment unit that circulates cooling water and adjusts the temperature of a spindle unit of a processing apparatus and a processing water temperature adjustment unit. The temperature adjustment unit includes a pump that sends the cooling water to the spindle unit, a cooling water cooling unit, a first pipe that connects the pump and the cooling unit, a second pipe that connects the cooling unit and the spindle unit, and a third pipe that connects the spindle unit and the pump. The processing water temperature adjustment unit includes a processing water pipe that has one end connected to a water source and supplies processing water from the other end side to a processing tool and a heat exchange unit on the processing water pipe.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: January 12, 2021
    Assignee: DISCO CORPORATION
    Inventors: Satoshi Arai, Jun Saito
  • Patent number: 10892667
    Abstract: A motor includes a rotor that has a motor shaft disposed along a central axis extending in an axial direction; a stator facing the rotor with a gap interposed therebetween in a radial direction; a motor driving inverter unit supplying electric power from a battery to the stator; a charger having a charger inverter unit that charges the battery; and a housing accommodating the stator, the motor driving inverter unit and the charger The housing has a cooling flow path through which a coolant flows, a stator accommodation unit accommodating the stator, an inverter accommodation unit positioned outside the stator accommodation unit in the radial direction, a charger accommodation unit positioned outside the stator accommodation unit in the radial direction, and an intermediate partitioning wall partitioning the inverter accommodation unit and the charger accommodation unit The cooling flow path is disposed in the intermediate partitioning wall.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 12, 2021
    Assignee: NIDEC TOSOK CORPORATION
    Inventor: Yoshihisa Okuhata
  • Patent number: 10886819
    Abstract: According to various aspects disclosed herein, exemplary embodiments of an electric machine with direct winding heat exchange is disclosed, including a stator, a rotor, at least one coil positioned on a stator tooth of the stator, with the coil comprising one or more turns of a conductor and an insulator, where the insulator and coil form a monolithic body having at least one facet at an angle that corresponds to the geometry of a stator slot of the stator.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: January 5, 2021
    Inventors: J. Rhett Mayor, S. Andrew Semidey
  • Patent number: 10833553
    Abstract: An electric motor including a structure that prevents intrusion of a foreign substance into the electric motor, and a machine tool including the electric motor. A hollow tube that fluidly connects an inner portion of a terminal box and an outer surface of a front flange is provided, and a through hole extending from the outer surface to a front space is formed. The inner portion of the terminal box and the front space communicate with each other through a flow path that is fluidly cut off from an interior space of the machine or other such machine tool and air in the terminal box automatically flows into the front space through the flow path in accordance with rotation of a rotor as described above. Also, the terminal box is fluidly connected with an amplifier provided outside of the machine through an air passage.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: November 10, 2020
    Assignee: FANUC CORPORATION
    Inventor: Yasuhito Mukai
  • Patent number: 10788050
    Abstract: An electric compressor for compressing a gas, particularly configured for use in a motor vehicle, comprising a control unit, an electric motor controlled by the control unit, a compressor wheel driven by the electric motor, and a housing at least partially surrounding the electric motor. The housing is produced by an encapsulation method such that a cooling structure is formed integrally with the housing, in particular within the housing, for ensuring cooling of the electric motor and of the control unit. A method for producing the electric compressor of this kind is also disclosed.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: September 29, 2020
    Assignee: HANON SYSTEMS EFP DEUTSCHLAND GMBH
    Inventors: Wolfgang Back, Michael Hofer, Nicolai Schmolzer, Gernot Steinmair, Gerd Schlager
  • Patent number: 10727714
    Abstract: A machine component of an electric machine includes a metal base body and a sealing element, arranged on the base body, for thermally decoupling the machine component and a unit abutting it. The base body is manufactured by pressure die-casting. The sealing element is made from plastic and is connected to the base body in a form-fit manner during the pressure die-casting of the base body.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: July 28, 2020
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hubertus Bähr, Rainer Eckert, Martin Holzheimer, Benjamin Volkmuth
  • Patent number: 10727724
    Abstract: An electric motor generator system has a hollow rotatable shaft, a coil spar, and a plurality of magnet portions. The hollow rotatable shaft has a central longitudinal axis. The coil spar comprises one or more coil assemblies and is positioned concentrically within the hollow rotatable shaft. Each of the magnet portions is shaped to conform to a radially inwardly facing surface of the shaft. Each of the plurality of magnet portions abuts conformally against the radially inwardly facing surface of the shaft between the radially inwardly facing surface and the or each coil assembly.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: July 28, 2020
    Assignees: ROLLS-ROYCE plc, ROLLS-ROYCE MARINE AS
    Inventors: Giles E. Harvey, Astrid Rokke
  • Patent number: 10707726
    Abstract: A cooling structure is provided for a dynamo-electric machine. The cooling structure has a refrigerant supply path for introducing a refrigerant into a rotor, and refrigerant outlets that are opened to the refrigerant supply path so that the refrigerant will be splashed onto the coil ends of a stator as the rotor rotates. Blocking wall members are provided in refrigerant splash paths between the refrigerant outlets and the coil ends for blocking a portion of the refrigerant, which splashes from the refrigerant outlets when the rotor rotates. The rate at which the blocking wall members shield the coil ends against the refrigerant is low when the rotor rotates at a low speed and is high when the rotor rotates at a high speed.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: July 7, 2020
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tomoyuki Manabe, Takenari Okuyama
  • Patent number: 10630147
    Abstract: An electric machine, in particular for an electric vehicle. The machine includes a rotor which can be rotated with respect to a stator and has at least one rotor shaft. The machine includes a duct system for cooling the machine, through which duct system a coolant can flow. The duct system runs at least in sections within the rotor shaft. Here, the duct system includes a cooling duct. The cooling duct is configured so as to run conically at least in sections in the longitudinal direction of the rotor shaft, such that the coolant can be conveyed in the direction of an increasing duct diameter by way of a rotational movement of the rotor shaft.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: April 21, 2020
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Daniel Knoblauch, Sebastian Wachter
  • Patent number: 10566863
    Abstract: A rotor core in which magnets are embedded is formed by stacking a plurality of steel sheets. Each steel sheet which has a disk shape has: six magnet insertion holes formed so as to allow permanent magnets to be inserted therein as a whole; circumferential-direction bridge portions connecting, in the circumferential direction, radially-outer-side steel sheets each formed at the peripheral part of the steel sheet, between the magnet insertion holes; and radial-direction bridge portions formed between the magnet insertion holes. The circumferential-direction bridge portions and the radial-direction bridge portions have coined portions having decreased sheet thicknesses and protruding in an arc shape in the sheet-thickness direction. The coined portions having decreased sheet thicknesses suppress short-circuit of a magnetic flux between magnetic poles, and formation of the arc shapes absorbs extension of these portions caused by a coining work, to suppress deformation of the steel sheet.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: February 18, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kazuhiro Shono, Yuki Tamura, Ryohei Uno, Koji Masumoto
  • Patent number: 10468946
    Abstract: A cooling system of an electric motor with a fan, including a fan configured to generate fluid flow for cooling the electric motor, and a duct forming a flow channel for guiding a fluid flow generated by the fan, includes at least one hole provided in the duct.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: November 5, 2019
    Assignee: FANUC CORPORATION
    Inventors: Masahiro Murota, Toshifumi Muramatsu
  • Patent number: 10432056
    Abstract: A vehicle electric machine may include a stator having end windings extending axially from the stator. A rotor may be disposed within the stator and including an endcap having an outer face defining outlets and a furrowed outer periphery with an edge configured to distribute coolant released from the outlets onto the outer face to different axial locations of the end windings during rotation. The furrowed outer periphery may taper toward an in inner flat portion. The outlets may be contained within the inner flat portion. The furrowed outer periphery may be symmetric about any axis perpendicular to and passing through an axis of rotation of the rotor. The outer face may further define channels extending from the outlets to the edge. The channels may be recessed in the outer face. The furrowed outer periphery may define concentric circumferential ridges.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: October 1, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Michael W. Degner, Edward Chan-Jiun Jih, Tienli Wang, Prasad Dev Hanumalagutti
  • Patent number: 10432050
    Abstract: A motor rotor includes a rotor core having a plurality of magnet insertion holes in each of which a permanent magnet is inserted, a flow path formed on a radially inner side of the plurality of magnet insertion holes to allow a fluid to flow through, and a shaft insertion hole in which a rotary shaft is inserted, and the permanent magnet inserted in each of the plurality of magnet insertion holes of the rotor core. The rotor core has an inlet opening and an outlet opening each opened in a corresponding one of end faces of the rotor core in an axial direction, and a communication hole circumferentially extending inside the rotor core and communicating with the inlet opening and the outlet opening.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: October 1, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventor: Kazuya Kumagai
  • Patent number: 10320252
    Abstract: The rotor of the rotary electric machine according to the present invention includes: a cylindrical rotor core; magnets that are respectively housed in a plurality of magnet housing apertures that are formed circumferentially so as to pass axially through an outer circumferential side of the rotor core; and a rotor boss that includes: a cylindrical rotor ring that holds the rotor core; an annular mounting portion that is linked to the crankshaft so as to be disposed coaxially at a first axial end inside the rotor ring; and a linking plate that links the rotor ring and the mounting portion, and the linking plate is formed so as to have a curved shape that is convex toward a second axial end of the rotor boss, and has a thickness that reduces continuously from a radially inner side toward a radially outer side.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: June 11, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Ryuichi Shimomura, Tomoki Sagayama
  • Patent number: 10308738
    Abstract: The present disclosure relates to a plant for performing polymerization, such as the polymerization of ethylene, having a recycle connection with two or more cooling channels arranged in parallel, a process for polymerization and downstream processes, and a plant for polymerization, comprising the following plant components in fluid communication: a) A reactor with an inlet side and an outlet side; b) A recycle connection positioned in fluid communication between the outlet side of the reactor and the inlet side of the reactor; wherein the recycle connection comprises two or more cooling channels arranged in parallel.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: June 4, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Christoph Wolf, Andre-Armand Finette, Andrei Gonioukh, Dieter Littmann, Thomas Herrmann, Georg Groos
  • Patent number: 10288078
    Abstract: An axial flow fan having an axis of rotation includes a central hub including a base wall and a lateral wall which projects from the base wall to form a cup-shaped structure, a plurality of blades each fixed to the central hub and including a leading edge and a trailing edge, a plurality of extractors of a fluid which are associated with the base wall for conveying air from the inside of the cup-shaped structure to the outside of the cup-shaped structure through the base wall.
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: May 14, 2019
    Assignee: SPAL AUTOMOTIVE S.R.L.
    Inventor: Pietro De Filippis
  • Patent number: 10272533
    Abstract: A machine tool for cutting a workpiece with a cutting tool, includes a spindle motor that generates heat, a spindle head for supporting the spindle motor, and a heat insulating sheet disposed between the spindle motor and the spindle head. The area of a part of the heat insulating sheet that is in contact with a part of the spindle head having a high heat capacity is small so as to increase the amount of heat transferring from the spindle motor to the part of the spindle head having a high heat capacity, and thereby make the temperature distribution of the spindle head uniform.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: April 30, 2019
    Assignee: FANUC CORPORATION
    Inventor: Naoki Satou
  • Patent number: 10236737
    Abstract: A synchronous generator, in particular a multipole synchronous annular generator of a direct-drive wind turbine, for generating electricity, with a rotor and a stator, wherein the stator has multiple grooves in which a stator winding is arranged, wherein the stator winding releases heat energy as a result of the generation of power, and wherein a cooling body for absorbing and dissipating released heat energy is arranged in one groove, multiple grooves or all of the grooves.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: March 19, 2019
    Assignee: Wobben Properties GmbH
    Inventors: Jochen Röer, Falk Middelstädt
  • Patent number: 10199903
    Abstract: A device for deflecting at least a portion of a cooling fluid flowing axially in an intermediate space is arranged between a rotor and a stator of a rotating electrical machine, in particular of a turbogenerator, wherein at least one blade can be arranged on a prespecifiable section of an outer face of the rotor and in the intermediate space, which blade is designed and can be arranged in such a way that a portion of the cooling fluid flowing in the intermediate space can be radially deflected in the direction of the stator by said blade.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: February 5, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: Esteban Grau Sorarrain, Christian Jäkel, Mario Koebe, Matthias Kowalski, Christoph Lehmann, Andrey Mashkin, Olga Plotnikova, Carolin Schild
  • Patent number: 10177630
    Abstract: An induction motor may include a housing, a stator, a rotor, and/or cooling fins on an outside surface of the housing. The rotor may include inner air ducts configured to allow passage of airflow therethrough. The motor may include outer air ducts in fluid communication with the inner air ducts to form an air-circulation circuit. The outer air ducts may be arranged radially outside the cooling fins.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: January 8, 2019
    Assignee: Nidec ASI S.p.A.
    Inventors: Fabio Luise, Stefano Pieri, Maurizio Scalabrin
  • Patent number: 10138772
    Abstract: Systems and methods are described for reducing friction within a transmission and an internal combustion engine including a PCV system. A gaseous fuel source is fluidly coupled to the transmission via a flow control valve and the transmission, in turn, is fluidly coupled to an air inflow line of the PCV system. The flow control valve is configured to control a flow of gaseous fuel into the transmission and there on into the PCV system and crankcase.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: November 27, 2018
    Assignee: Ford Global Technologies, LLC
    Inventor: David Karl Bidner
  • Patent number: 10116188
    Abstract: An electric machine having a stator and a rotor arranged on an axis of rotation and a first fan, which extends in the radial direction on one section of the axis of rotation and delivers a coolant flow into the electric machine during operation. The electric machine further includes a fan directing element, which interacts with the first fan and deflects at least a proportion of the coolant flow. Variable and demand-based cooling of the electric machine can be achieved by the fan directing element, which can in particular be adjustable.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: October 30, 2018
    Assignee: Siemens Aktiengesellschaft
    Inventors: Esteban Grau Sorarrain, Christian Jäkel, Mario Koebe, Matthias Kowalski, Christoph Lehmann, Andrey Mashkin, Olga Plotnikova, Carolin Schild
  • Patent number: 10103604
    Abstract: An electric machine assembly, having a first machine providing an alternating current output and a second machine receiving a direct current input, and a rectifier assembly placed within a rotating shaft of the electric machine assembly to convert the AC output of the electric machine assembly to the DC input prior to transmission of the electricity from the electric machine assembly.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: October 16, 2018
    Assignee: GE Aviation Systems LLC
    Inventors: Bijan Chitsaz, Joseph Kenneth Teter, Darrell Morgan Bybee
  • Patent number: 9995308
    Abstract: The invention relates to an electric rotary machine including: a shaft of a rotor rotating about an axis, a fan carried by the shaft of the rotor, and a motor for driving the fan, allowing modulation of the relative rotational speed of the fan in relation to the shaft of the rotor.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: June 12, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Patrick Vohlgemuth
  • Patent number: 9837879
    Abstract: A rotating shaft is attached rotatably to a front body and a rear body of an AC generator. Feeding brushes are disposed around a rear end portion of the rotating shaft. A heat radiating plate is attached to a rear end of the rear body. A control board is attached to a back of the heat radiating plate. External air flows in from an air inlet and advances in a radially inward direction after passing through a cooling fin disposed on the heat radiating plate by a first air flow passage. In addition, the external air passes through and around the rear end portion of the rotating shaft after flowing into a rear surface side of the heat radiating plate via a second air passage.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: December 5, 2017
    Assignee: DENSO CORPORATION
    Inventor: Shinya Oowatari
  • Patent number: 9790955
    Abstract: A blower wheel for setting a flow of air in circulation has vanes (2) that extend from a vane root attached to a hub (6) of the blower wheel. The hub (6) has a bottom wall (8) through which a through-orifice (12) for a drive shaft of the blower wheel passes, and a side wall (10). The hub (6) also has at least one rib (14) located between the orifice (12) and the side wall (10). The rib (14) is formed by one or more segments (14a, 14b, 14c, 14d). The segment, or one of the segments (14a, 14b, 14c, 14d), has at least one free edge (15) extending from the bottom wall (8) and facing toward the side wall (10).
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: October 17, 2017
    Assignee: VALEO SYSTEMES THERMIQUES
    Inventors: Denis Scouarnec, Antoine Levasseur
  • Patent number: 9641039
    Abstract: A drive device having an electric drive. A drive device (1) includes at least one housing (15), at least one electric drive, the electric drive having a rotor arrangement with a rotor shaft (7) which is designed for rotation about a rotational axis (17), and a bearing arrangement (14 a, b) for mounting the rotor arrangement. The bearing arrangement (14 a, b) supports the rotor arrangement in relation to the rotational axis (17) radially inwardly, the bearing arrangement (14a, b) supporting the rotor shaft in relation to a support section (15, 16) that is fixed to the housing.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: May 2, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Tomas Smetana
  • Patent number: 9531228
    Abstract: The electric rotating machine has the structure in which, for each one of the slots formed in its stator core, each of the innermost and outermost electrical conductors housed in the slot includes a R-chamfered portion formed in a bent portion thereof projecting outside from the slot and bent along a circumferential direction of the stator core. The R-chamfered portion is located at a radially inner or outer corner of the bent portion at which a side surface of the bent portion on the side being circumferentially bent intersects with a side surface of the bent portion on the radially inner or outer side. The R-chamfered portion is formed of a curved surface having a curvature radius larger than a curvature radius of the other three corners of the bent portion.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: December 27, 2016
    Assignee: DENSO CORPORATION
    Inventors: Hiroshi Kaneiwa, Yuuichirou Itou
  • Patent number: 9479020
    Abstract: The stator of the electric rotating machine includes a stator winding constituted of a plurality of U-shaped conductor segments each including a turn portion and two straight portions, the U-shaped conductor segments being connected in series by welding at welded portions formed in ends of the straight portions, and a stator core formed with slots, the straight portions of each U-shaped conductor segment being accommodated in corresponding two of the slots. The welded side slot pitch as an interval of the corresponding two of the slots on the side opposite to the turn portions is narrower than the N-S magnetic pole pitch of the rotor. The stator winding includes overlapped wire wrapping sections each constituted of the U-shaped conductor segments accommodated in the corresponding two of the slots, and crossover wires disposed on the side of the welded portions for connecting the overlapped wire wrapping sections.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: October 25, 2016
    Assignee: DENSO CORPORATION
    Inventor: Tomokazu Hisada
  • Patent number: 9461525
    Abstract: An electrical machine for an automotive vehicle has a housing (4). A stator arrangement (8) and a rotor arrangement (6) are disposed in the housing (4). At least one clearance (10) is formed in the housing (4) in proximity to the stator arrangement (8) and the rotor arrangement (6). A heat transmission device (12) is inserted into the clearance (10) as a prefabricated heat transmission module.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: October 4, 2016
    Assignee: DR. ING. H.C.F. PORSCHE AKTIENGESELLSCHAFT
    Inventor: Odon Szinyi
  • Patent number: 9450473
    Abstract: According to one embodiment, a motor for a vehicle includes a casing accommodating a rotor and a stator iron core inside thereof, and supporting each of both axial ends of the rotor shaft via a bearing, an air inlet port formed in a portion of the casing outside the bearing in the radial direction, and a fan provided between the rotor iron core and the bearing and rotating with the rotor shaft, wherein a portion of the casing positioned outside impellers of the fan in the axial direction forms a first housing and a second housing constituting a discharge channel, and the first housing includes a guide wall extending toward the outside in the radial direction, and the second housing includes a thinned wall portion located inside the guide wall in the axial direction to constitute the discharge channel between the thin wall portion and the guide wall.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: September 20, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takashi Nagayama, Aki Onuma
  • Patent number: 9331550
    Abstract: A motor cooling system is provided comprising an electric motor including a rotor having first and second axial ends, and a stator having first and second axial ends, a motor housing surrounding the motor including an air chamber extending around the motor and axially along the motor length, a motor enclosure enveloping the motor housing, and a cooling fan radially mounted to the motor enclosure and adapted to operatively cool said electric motor.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: May 3, 2016
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Evgeni Ganev, Stephen L White, Leroy Allen Fizer, Norman Clampitt