Secured By Threaded Fastener (e.g., Screw) Patents (Class 310/216.127)
  • Patent number: 11936242
    Abstract: Described is an electrical machine (1) which comprises two end shields (6, 7), a stator (5) which is arranged between the two end shields (6, 7) and has a stator laminated core (11, 11a) and stator windings (12) arranged therein, and a rotor (3) which is arranged in the stator (5) and has a rotor shaft (2) mounted rotatably in the two end shields (6, 7). The electrical machine (1) furthermore has cooling channels (13) arranged fully in the stator laminated core (11, 11a) and edged by the latter. Furthermore described are a gear motor (30) comprising such an electrical machine (1), as well as a vehicle (20) comprising such an electrical machine (1).
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: March 19, 2024
    Assignee: Valeo Siemens eAutomotive Germany GmbH
    Inventors: Sebastian Dieterich, Bianca Hofmann
  • Patent number: 11848595
    Abstract: A channel segment for a track of a mover device is provided, the channel segment comprising: opposite ends joined by a body forming a magnetic flux pathway between the opposite ends, the magnetic flux pathway being one or more of C-shaped, U-shaped and horseshoe shaped between the opposite ends, the opposite ends forming respective transverse magnetic flux pathways about perpendicular to the magnetic flux pathway; laminations of ferromagnetic material forming the body, the laminations about parallel to the magnetic flux pathway and about perpendicular to the respective transverse magnetic flux pathways; shear pins through the laminations, the shear pins positioned to reduce eddy currents one or more of in and around the shear pins; and a retention mechanism at the opposite ends, the retention mechanism configured to transversely fasten the laminations together at the opposite ends while remaining insulated from each other.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: December 19, 2023
    Assignee: HYPERLOOP TECHNOLOGIES, INC.
    Inventors: Shahriyar Beizaee, Rachel Ozer, Alexander Jedinger, Jett Ferm, Richard Parks, Arbi Gharakhani Siraki, Ju Hyung Kim, Tim Lambert, Sushant Chavan
  • Patent number: 11498236
    Abstract: A slicing machine cuts slices of cutting material. The slicing machine has: a machine housing holding a motor and circular blade driven by the motor; a product feed, which feeds the cutting material to the circular blade; a stop plate; and a slidably arranged carriage, which feeds the cutting material to the blade. The blade is mounted directly on a bearing shaft arranged in the drive motor for the circular blade. The drive motor includes at a stator and rotor, which is detachable from the stator. The stator is in the machine housing. The machine housing has an insertion opening where, in the assembled state, the stator is arranged and through which the rotor is at least partially inserted into the stator. The slicing machine has an attachment device comprising at least one fastener that is configured to fasten the rotor and the stator to the machine housing.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: November 15, 2022
    Assignee: Bizerba SE & Co. KG
    Inventor: Markus Oesterle
  • Patent number: 10784734
    Abstract: A transverse flux reciprocating motor and a reciprocating compressor including a transverse flux reciprocating motor are provided. The transverse flux reciprocating motor may include a stator having an inner stator and an outer stator located outside and spaced apart from the inner stator in a radial direction, at least one magnet coil wound on the stator, at least one magnet coupled to an outer circumferential surface of the inner stator or an inner circumferential surface of the outer stator and having different magnetic poles arranged in an orthogonal direction of flux generated by the magnet coil, and a mover inserted into a cavity formed between the inner stator and the outer stator, formed of a magnetic material and reciprocating with respect to the stator.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: September 22, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaebeum Kim, Sangsub Jeong
  • Patent number: 10680480
    Abstract: A housing portion includes: an end surface portion that is arranged on one end side; an inside surface portion that is formed so as to be extended from the end surface portion to the other end side; an opening portion that is arranged so as to be aligned with the inside surface portion and that makes a second internal space formed with the end surface portion and the inside surface portion and an external space communicate with each other; a first protrusion portion that is formed so as to be protruded from the inside surface portion toward the side and that is formed so as to be inclined to one side; and a second protrusion portion that is formed so as to be protruded from the inside surface portion toward the side of the rotary axis and that is formed so as to be inclined to the other side.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: June 9, 2020
    Assignee: FANUC CORPORATION
    Inventor: Yamato Mishima
  • Patent number: 9577478
    Abstract: A motor comprises a stator assembly, a rotor assembly having a stator core, and a stator cup adjacent the stator core. The inside surface of the stator cup comprises a plurality of aligned regions and a plurality of pressure regions. Each of the plurality of aligned regions is axially aligned with a corresponding one of a plurality of fastener-engaging regions of the stator cup. Each of the plurality of pressure regions is spaced from each of the plurality of aligned regions. A plurality of fastening portions operatively engages the fastener-engaging regions and operatively engages the stator core in a manner urging the stator core and the stator cup toward one another. Urging of the stator core and the stator cup toward one another by the plurality of fastening portions causes the stator core to exert pressure on the plurality of pressure regions.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: February 21, 2017
    Assignee: Regal Beloit America, Inc.
    Inventor: Steven W. Post
  • Patent number: 9035528
    Abstract: A press plate (5) for tightening the metal sheets (2) of a stator core of an electric machine has an annular element (16) with a plurality of holes (17) provided at a side wall (11) thereof. The holes (17) have an elongated recessed top portion (20) and a cylindrical recessed bottom portion (21) extending from the ceiling (22) of the elongated recessed top portion (20).
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: May 19, 2015
    Assignee: ALSTOM TECHNOLOGY LTD.
    Inventors: Leszek Stachyra, Jacek Mariusz Kanicki, Daniel Hediger, Lothar Eckert
  • Patent number: 8754566
    Abstract: A laminated stator and a method for making a laminated stator of an electric motor. The method includes arranging a plurality of stator laminations into lamination stacks spaced axially from one another, each lamination stack including a first group of stator laminations including an annular portion and a plurality of tooth portions extending from a periphery of the annular portion, and a second group of stator laminations including only tooth portions positioned to correspond with the tooth portions of said first group. The method further includes winding stator windings around selected subsets of the plurality of teeth while the lamination stacks are spaced axially and meshing the lamination stacks with one another so the annular portions of the lamination stacks are axially adjacent one another and the plurality of teeth are intermeshed with the plurality of another stack.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: June 17, 2014
    Assignee: Nidec Motor Corporation
    Inventors: Ruimei Wang, Xianfa Li, Liang Sun, Sifa Gao
  • Patent number: 8569919
    Abstract: A generator motor includes a flange, stationary-side members, rotor-side members, and latching members. The flange is removably mounted on a first end side in an axial direction. The stationary-side members are fixed on a second end side that is on an opposite side from the first end side in the axial direction. The rotor-side members are configured to move toward the first end side in the axial direction with respect to the stationary-side members in a state in which the flange has been removed. The latching members are configured to restrict relative movement of the flange in the axial direction with respect to the rotor-side members.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: October 29, 2013
    Assignee: Komatsu Ltd.
    Inventors: Yukihiko Sugimoto, Teiichirou Chiba, Takashi Kikuchi
  • Patent number: 8362672
    Abstract: An electric machine having a stator body and a machine housing is provided. The stator body includes a stator ring of generally annular shape and a plurality of stator teeth projecting radially inward. A first bolt hole is defined in either the stator ring or machine housing, and a first receptacle is defined in the other and is coaxial with the first bolt hole. A second bolt hole is defined in either the stator ring or machine housing, and a second receptacle is defined in the other and is coaxial with the second bolt hole. A first counter bore is coaxial with the first receptacle. A first hollow dowel is mated to the first counter bore and the first bolt hole, and defines a first dowel hole, which is coaxial with the first counter bore and the first bolt hole.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: January 29, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Edward L. Kaiser, Peter Bostwick, Kent A. Miller, John A. Diemer
  • Patent number: 8288915
    Abstract: A through bolt is provided for a magnetic core of a generator stator, which is insertable in a bore provided in the stator core lamination for maintaining the tightness of the core components. The through bolt includes at least two longitudinal through bolt elements which are interconnected via at least one connecting element. Further, a method for assembling a separable through bolt for a magnetic core lamination of a generator stator is described. Thus the drawbacks of the prior art are avoided and an improved solution for replacement of the through bolts located under the level of the floor foundation is provided. Further, no special tooling or lifting of the frame are required which makes such replacement easy and cost efficient.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: October 16, 2012
    Assignee: Alstom Technology Ltd.
    Inventors: Benoit Dollé, Stéphane Fendeleur, Hubert Lotz
  • Patent number: 8174162
    Abstract: Disclosed is a washing machine which includes a tub which holds laundry, a drum which is disposed in and rotates within the tub, a stator which is fixed to the tub, and a rotor which is fixed to the drum. The rotor includes a frame, a bushing installed on the frame, a motor shaft having an end which is inserted in and fixed to the bushing, a bearing interposed between the motor shaft and the tub, and at least one guide disposed between the motor shaft and the bushing at an end of the bushing.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: May 8, 2012
    Assignee: LG Electronics Inc.
    Inventors: Cha Seung Jun, Byoung Wook Min
  • Patent number: 8093766
    Abstract: A cylindrical linear motor capable of solving the problem that a leak flux links an aluminum frame at both ends of an armature of a conventional cylindrical linear motor, which causes a viscous braking force as a motor brake force, is provided. The cylindrical linear motor armature 20 includes a plurality of cylindrical coils 20a arranged in the axial direction in a cylindrical yoke 20b formed by a magnetic material and frames 20d and 20e covering the outside of the cylindrical yoke 20b. Only in the axial direction region of the frame 20d where the cylindrical yoke 20b exists, the frame 20d is formed by an aluminum frame 20d, and the axial direction both end portions are formed by a resin cap 20e.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: January 10, 2012
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Toshiyuki Hoshi, Toru Takano, Masahiko Tanabe, Takahisa Yamada, Seigo Nagamatu
  • Patent number: 7919898
    Abstract: A rotor core assembly for an electric motor includes a stack of laminations and first and second end plates disposed at opposite ends of the stack of laminations. A plurality of concentric fastener holes extend through the laminations and the end plates for receiving stainless steel pins. Each pin has a head against one of the end plates, and each pin has spaced apart grooves thereon extending from the other end plate. A stainless steel collar engages each of the pins and contacts one of the end plates. Each collar has a deformed portion in at least one of the grooves of the pin.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: April 5, 2011
    Assignee: Nidec Motor Corporation
    Inventors: Weirong Wang, Thomas E. Kirkley, Jr.
  • Patent number: 7755244
    Abstract: A stator of an electrical machine operable as a motor or a generator, applicable to a radial-axial type machine. The stator includes a plurality of stator segments disposed circumferentially about an axis. Each segment has a generally wedge shaped core and a winding wound around the core. The winding is bent to have portions that are disposed on multiple planes. The core includes an elongated wedge tip portions aligned parallel to the axis and an outer radial face opposite to the tip portion. The multiple planes include at least one plane substantially normal to the axis and at least one plane tangential to the radial face.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: July 13, 2010
    Assignee: UQM Technologies, Inc.
    Inventors: Josh Ley, Victor Chieduko, Jeff Frazzini, Kevin Lewis, Philip Caffery
  • Patent number: 7659645
    Abstract: A rotor assembly comprising a rotor for rotating in a magnetic field of a motor, the rotor comprising a main rotor cavity and a plurality of first holes; two side boards, each side board comprising a sleeve-shaped main side board body and a disc-shaped outer side board body, the side board body having a main side board cavity, and the outer side board body being perforated by a plurality of second holes; two damping elements each damping element comprising a main damping element cavity; a plurality of rubber sleeves, each rubber sleeve having a rubber sleeve lip; and a plurality of third holes; an axle; and a plurality of positioning pins.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: February 9, 2010
    Assignee: Zhongshan Broad-Ocean Motor Co., Ltd.
    Inventor: Ronghua Bi