Elements Patents (Class 310/272)
  • Patent number: 10654049
    Abstract: The present disclosure relates to a centrifugal separator (1), which comprises a rotatable drum (5) having a wall (50), an annular chamber (7) defined along the longitudinal axis (49) of the rotatable drum (5) in a portion adjoining to the wall (50), wherein a mixture of substances in the liquid phase and in the solid phase is movable longitudinally through the annular chamber (7), and a discharging station (13) for discharging the solid phase. The discharging station (13) comprises a vibrating unit (300) for agitating the solid phase. The vibrating unit (300) comprises a half-drum (302) and a vibrating device (304) adapted to vibrate the half-drum (302).
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: May 19, 2020
    Inventors: Leonardo Renzo Vicentini, Albert Walraven
  • Patent number: 10447097
    Abstract: In a method for producing an electric metal sheet for an electric machine, an individual sheet is punched out from a magnetizable sheet blank. A plurality of cut-outs are formed in the individual sheet; and a web is applied in each of the cut-outs by a 3-D printing process from a non-magnetizable material, such that the webs are arranged either in parallel relation to a first q-axis at a pre-determined spacing from the first g-axis, or a first plurality of the webs is arranged exclusively on a first circular segment defined by a first radius and a second plurality of the webs is arranged exclusively on a second circular segment defined by a second radius which is different in relation to the first radius.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: October 15, 2019
    Inventors: Klaus Büttner, Klaus Kirchner, Matthias Warmuth
  • Publication number: 20140265710
    Abstract: A coil arrangement for an electric machine comprises a spool including a hub, a first wall positioned on a first side of the hub, and a second wall positioned on a second side of the hub. A length of wire is wound on the hub to form a coil positioned between the first wall and the second wall of the spool. The coil includes a plurality of winding layers including an inner winding layer, an outer winding layer, and at least one intermediate winding layer between the inner winding layer and the outer winding layer. A projection is connected to the spool. The projection includes a first end directly connected to the spool and a second end opposite the first end, the second end is positioned between the first wall and the second wall of the spool. The outer winding layer engages the second end of the projection.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Inventors: Chad Zook, Scott Bitzer
  • Publication number: 20140246947
    Abstract: The invention relates to a method for producing a machine component (1) for an electrical machine, wherein the machine component (1) is formed with a magnetically conductive material, in which one or more magnetically non-conductive separating regions (4) are provided, wherein the separating region (4) is formed by the introduction of austenite-forming material during a melting process of the magnetically conductive material of the machine component (1), such that an austenitic structure is formed in the magnetically conductive material of the machine component (1).
    Type: Application
    Filed: August 2, 2012
    Publication date: September 4, 2014
    Applicant: ROBERT BOSCH GMBH
    Inventors: Steven Andrew Evans, Max Seitter, Andreas Ewert, Jan Schlegel
  • Patent number: 8531080
    Abstract: A rotor for a synchronous machine has a rotor axis which defines a rotor shaft. The rotor has a winding support which is arranged on the rotor shaft such that they rotate together, in such a way that it surrounds the rotor shaft in a center section with respect to the rotor axis. The winding support is fitted with a superconducting rotor winding. The rotor has a sleeve which at least radially surrounds the winding support and the rotor winding with respect to the rotor axis. The sleeve is formed integrally from a metal alloy, which is non-magnetic, has an electrical conductivity of at least 60% of the electrical conductivity of copper at 20° C., has a mechanical tensile strength of at least 250 N/mm2 at 200° C. and has a 0.2% proof stress of at least 200 N/mm2 at 200° C.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: September 10, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventors: Michael Frank, Sven Gattermann, Peter Van Hasselt
  • Publication number: 20110309714
    Abstract: An actuating device for a heating element valve has a drive motor with a motor shaft, an actuator, and a rotation-linear conversion drive. The conversion drive is coupled on the drive side to the motor shaft and on the output side to the actuator and converts a rotational movement of the motor shaft into a linear movement of the actuator. The rotation-linear conversion drive further has a cam disc on the output side which is provided on its outer circumferential periphery with a plurality of step segments each having a substantially constant distance from the axis of the cam disc. The step segments are connected via connecting segments with a variable axle spacing.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 22, 2011
    Applicant: DIEHL AKO STIFTUNG & CO. KG
    Inventors: Tobias Neugebauer, Werner Kaps
  • Publication number: 20090121570
    Abstract: A motor for an electric power steering apparatus can ensure an appropriate preload to an outer race of a rolling element bearing by adjusting the thickness of a spacer without replacement of a wave washer for a change in an axial dimension between a bottom surface of a bearing box and the bearing. The motor includes a rotor, a casing that receives the rotor and has the bearing box in which the bearing rotatably supporting a shaft of the rotor is received, an annular wave washer that is arranged between the bottom surface of the bearing box and the bearing, and applies a preload to the outer race of the bearing, and an annular spacer that is arranged between the bottom surface of the bearing box and the bearing so as to be in abutment with the wave washer for adjusting the preload applied to the outer race.
    Type: Application
    Filed: February 25, 2008
    Publication date: May 14, 2009
    Inventors: Hideya NISHIKAWA, Yoshihito Asao, Kengo Fujimoto
  • Publication number: 20090108704
    Abstract: An apparatus is described for thermomechanical decoupling of the housing and stationary part of a rotating machine, in particular of a dynamoelectric machine. The apparatus has at least one rotating shell, and in that this apparatus can on the one hand be attached to the housing and on the other hand to the stationary part, such that the rotating shell extends in the axial direction even in the mounted state. This results in centred bearing, which is stiff against lateral movement of the stationary part, in particular of the laminated core, while providing little impediment to the thermal growth of the stationary part.
    Type: Application
    Filed: August 14, 2008
    Publication date: April 30, 2009
    Inventor: Georg Thaler
  • Publication number: 20090085424
    Abstract: A rotating electric machine includes a bearing; a rotating shaft supported via the bearing; and a yoke with a bearing support portion formed on a yoke bottom surface. The bearing support portion houses the bearing, and on a cylinder front-end portion of the bearing support portion, integrally formed is a ring-shaped flange portion that is inclined toward an inner radial side so as to prevent the bearing from coming off one end side.
    Type: Application
    Filed: May 12, 2006
    Publication date: April 2, 2009
    Inventors: Tsugio Yokoo, Keiichi Hosoi
  • Publication number: 20090026874
    Abstract: The invention relates to a method for mounting an armature laminated core (6) on an armature shaft (2) for an electric motor, the armature shaft (2) being formed either from electrically insulating solid plastic or being a shaft which is sheathed with an electrically insulating plastic (10), the sheath (8) having a thickness of at least 1 mm, and having the following features: manufacture of armature cores (12) whose central opening (14) for the armature shaft (2) has a non-round cross section with at least one radially inwardly extended projection (20), the diameter of an inscribed circle (22) which forms a clear cross-sectional area of the opening (14) being smaller than the external diameter of the armature shaft (2); pressing of the armature cores (12) onto the armature shaft (2) in the axial direction (16) of the armature shaft (2) with the at least one projection (20) sinking into the surface of the plastic (10)
    Type: Application
    Filed: April 30, 2005
    Publication date: January 29, 2009
    Inventors: Michael Schmohl, Norbert Falter
  • Publication number: 20090026878
    Abstract: A can of a wet-running electric motor can be produced from a non-metallic material, wherein the non-metallic material is provided with at least one additional hermetically sealing layer. A pump unit having a can of this type is also provided.
    Type: Application
    Filed: September 20, 2006
    Publication date: January 29, 2009
    Inventors: Jørn Toftegaard Hansen, Cecilie Høj Laursen, Carsten Bloch, Jens Vestergaard Boll
  • Patent number: 6995205
    Abstract: A resin composition having high thermal conductivity and excellent moldability and a method of producing the same is provided. The composition includes 40 vol % or more of a matrix resin, 10 to 55 vol % of a thermally conductive filler dispersed in the matrix resin and the balance of a low-melting point alloy connecting the thermally conductive filler to each other and having a melting point not higher than 500° C. The proportion of the volume ratio of the low-melting point alloy to that of the thermally conductive filler is set in a range from 1/30 to 3/1.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: February 7, 2006
    Assignees: Nippon Kagaku Yakin Co., Ltd., Osaka Municipal Government
    Inventors: Kiyotaka Matsukawa, Kozo Ishihara, Tsuneo Kamiyahata, Yoshikazu Inada, Yasuyuki Agari, Masayuki Shimada
  • Patent number: 6710487
    Abstract: A high precision torque motor, including a partial rotation drive suitable for use in a galvanometer scanner, where the rotor is supported within the stator and housing assembly on all ceramic ball bearings, including inner and outer races and bearing balls. The ceramic ball bearing assemblies and all structural support elements have substantially equal coefficients of expansion through the use of matched expansion, nickel-iron alloy for the rotor shaft, stator, housing and other structural components which contact, locate, and support the inner and outer bearing races. The non-conductive bearings permit exclusion of any grounding conductor strap as between the rotor shaft and the housing.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: March 23, 2004
    Assignee: GSI Lumonics Corporation
    Inventor: David C. Brown
  • Publication number: 20020003383
    Abstract: The present invention pertains to methods for altering the magnetic properties of materials and the novel materials produced by these methods. The methods of this invention concern the application of high voltage, high frequency sparks to the surface of materials in order to alter the magnetic properties of the materials. Specially, the present invention can be applied to diamagnetic silicon to produce ferromagnetic spark-processed silicon.
    Type: Application
    Filed: June 1, 2001
    Publication date: January 10, 2002
    Inventors: Jonathan A. Hack, Rolf E. Hummel, Matthias H. Ludwig
  • Patent number: 4935080
    Abstract: A method of preparing corrosion resistant neodymium-boron-iron magnets is provided. The cleaned magnet is coated with zinc phosphate which neutralizes surface effects of contaminants and rinsed with chromic acid. A relatively large surface area having numerous mechanical interlocking sites receptive to adhesives and coatings is obtained. In one embodiment a durable, corrosion-resistant coating such as amide imide or specially formulated zinc-or chromium-rich epoxy primer is applied to the zinc phosphate coated magnet. This can be bonded to a substrate using a suitable adhesive. A flexible epoxy adhesive is used for bonding motor field assemblies.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: June 19, 1990
    Assignee: Kollmorgen Corporation
    Inventors: Gavin G. Hassell, Kevin E. Layne, John H. Mabie, Daniel H. Snuffer
  • Patent number: 4013910
    Abstract: A two-pole off-set construction of an electric motor has winding portion laminations and rotor portion laminations which are separate so that the winding may be formed or placed on the winding portion and then the two portions of the stator interconnected to complete the flux path for the rotor circumscribed by a rotor aperture in the rotor portion. There must be a window space between these two portions to accommodate the winding on the winding portion and formerly the metal removed from this window space was scrap metal, necessitating an excessive amount of steel lamination material. In this invention, the layer of lamination is made in two complementary pieces and this layer has a rotor portion and a winding portion. The two separate lamination pieces for a layer of complete lamination are to permit the winding to be placed on this complete stator.
    Type: Grant
    Filed: March 15, 1972
    Date of Patent: March 22, 1977
    Assignee: The Alliance Manufacturing Company, Inc.
    Inventor: Andrew F. Deming