Patents Examined by Tran Nguyen
  • Electrical machine, particularly a permanent magnet motor, and a method to provide the electrical windings thereof
    Patent number: 9553488
    Abstract: An electrical machine, particularly a permanent magnet motor, having a number of poles and teeth or tooth groups that is divisible by a whole number A around which coil-forming loops of winding wire are arranged such that B coils are arranged in series, the coils having a number of windings equivalent to C/B where C is a whole number divisor of B and indicates the wire diameter as a quotient of a traditional standard winding, as well as a method to provide a corresponding winding structure.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: January 24, 2017
    Assignee: NIDEC MOTORS & ACTUATORS (Germany)
    Inventors: Juergen Schmid, Juergen Mezger
  • Rotor for an electric machine
    Patent number: 9537374
    Abstract: A rotor form electric machine is provided including a rotor body that rotates about an axis of rotation, the rotor body having a superconducting rotor winding and cooling arrangement provided for cooling the rotor winding having at least one pair of cooling tube loops disposed substantially radially opposite each other on the rotor body, wherein a cryogenic coolant is transported in the axial direction in the coolant tube loops from a first axial rotor end to a second, opposite axial rotor end and back when the rotor rotates about the axis of rotation. One or more connecting tubes are provided in the cooling arrangement and connect one cooling tube loop to the other cooling tube loop of the at least one pair of cooling tube loops.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: January 3, 2017
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Michael Frank, Peter van Hasselt
  • Locking structure for stator core
    Patent number: 9531221
    Abstract: A locking structure for a stator core that locks the stator core having a circular outer circumference into an inner circumference of a cylindrical housing includes a first cut-out formed in an outer circumference of the stator core and a second cut-out formed in an inner circumference of the housing. The locking structure also includes a key interposed between the first and second cut-outs.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: December 27, 2016
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Kenta Inuzuka
  • High force rotary actuator
    Patent number: 9525319
    Abstract: An actuator includes a first stator with four first poles and a second stator with four second poles aligned with the four first poles. A permanent magnet is attached to the first stator and the second stator. Four moving armatures are positioned at terminal ends of the four first poles and the four second poles. Coils are wrapped around the first stator and the second stator. A controller selectively applies current to the coils to migrate flux created by the permanent magnet through selective poles of the first stator and the second stator and thereby alter the size of air gaps associated with the four moving armatures.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: December 20, 2016
    Assignee: QM Power, Inc.
    Inventor: Charles J. Flynn
  • Coil tooth assembly
    Patent number: 9525313
    Abstract: A stator back-iron or rotor back-iron of an electric motor, for receiving coil windings comprises a support (2) with a plurality of teeth (3) radially distributed about the support. The teeth are arranged to receive wire windings and are integrally formed with the support. The teeth and support are formed of laminations. The support further comprises a plurality of engagement means (5) formed between the teeth arranged to receive additional teeth (6) having wire windings mounted thereon. Preferably the engagement means are provided between adjacent teeth. The support and integral teeth provide a rigid structure while the spacing provided by using additional teeth makes it easier to wind coils.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: December 20, 2016
    Assignee: PROTEAN ELECTRIC LIMITED
    Inventors: John P. Foulsham, Rupert Paul Kirby
  • Current diverter ring
    Patent number: 9525327
    Abstract: The current diverter rings and bearing isolators serve to dissipate an electrical charge from a rotating piece of equipment to ground, such as from a motor shaft to a motor housing. One embodiment of the current diverter ring includes an inner body and an outer body configured to clamp at least one conductive segment between them. In the preferred embodiments of the current diverter ring, the conductive segments are positioned in radial channels. The outer body may be affixed to a shaft, a motor housing, a bearing isolator, or other structure. The bearing isolator may incorporate a retention chamber for holding conductive segments within the stator of the bearing isolator, or the bearing isolator may be fashioned with a receptor groove into which a current diverter ring may be mounted.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: December 20, 2016
    Assignee: Inpro/Seal, LLC
    Inventors: David C. Orlowski, Neil F. Hoehle, Robert A. Tejano, Shawn Horton
  • Motor and rotor thereof
    Patent number: 9515526
    Abstract: A motor and a rotor thereof are provided. Taking the distance between the two endpoints of a permanent magnet of a motor rotor that are on the side away from the center of an iron core as the length L of the permanent magnet, and the distance between a line connecting the two endpoints of the permanent magnet that are on the side away from the center of the iron core and the center point on the side of the permanent magnet that is close to the centerline of the iron core as the width H of the permanent magnet, then H/L ? 1/10. By adjusting the relationship between the length L and width H of the permanent magnet, the air gap magnetic density of the permanent magnet can be effectively increased.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: December 6, 2016
    Assignees: Gree Electric Appliances, Inc. of Zhuhai, Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    Inventors: Hui Huang, Wenming Zhang, Yong Xiao, Xueying Zeng, Huajie Chen, Dongsuo Chen, Yusheng Hu
  • Motor rotor and motor having same
    Patent number: 9502934
    Abstract: A motor rotor includes an iron core and a permanent magnet arranged inside the iron core, wherein, a plurality of groups of mounting grooves are arranged in the iron core in a circumferential direction of the iron core, and each group of mounting grooves comprises two or more than two mounting grooves arranged at intervals in a radial direction of the iron core; and a plurality of groups of permanent magnets are provided, and each permanent magnet in each group of permanent magnets is correspondingly embedded in the corresponding mounting groove of each group of mounting grooves. A motor having the motor rotor is further provided, and the magnetic reluctance torque of the motor rotor is increased, thereby increasing the output torque of the motor and the efficiency of the motor.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: November 22, 2016
    Assignees: Gree Electric Appliances, Inc. of Zhuhai, Gree Green Refrigeration Technology Center Co. Ltd. of Zhuhai
    Inventors: Hui Huang, Yusheng Hu, Dongsuo Chen, Huajie Chen, Yong Xiao, Xueying Zeng, Wenming Zhang
  • Permanent magnet synchronous electric machine
    Patent number: 9502933
    Abstract: A permanent magnet synchronous electric machine includes a stator and a rotor. Multiple wire grooves are provided peripherally on the stator, coils are provided within the wire grooves, and a stator tooth is provided between adjacent wire grooves. Multiple magnetic groove sets are provided peripherally within the rotor, each of the magnetic groove sets includes at least two magnetic steel grooves, with permanent magnets placed within the magnetic steel grooves, and a magnetic tunnel formed between the magnetic steel grooves. Of two adjacent magnetic tunnels, an end of one magnetic tunnel is opposite a wire groove and an end of the other magnetic tunnel is opposite a stator tooth. The permanent magnet synchronous electric machine has a more steady output torque, and also reduces the noise and vibration provided during operation.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: November 22, 2016
    Assignees: Gree Electric Appliances, Inc. of Zhuhai, Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    Inventors: Hui Huang, Yusheng Hu, Dongsuo Chen, Huajie Chen, Yong Xiao, Xueying Zeng, Wenming Zhang
  • Motor rotor and motor having same
    Patent number: 9502930
    Abstract: A motor rotor includes an iron core and permanent magnets provided inside the iron core. The iron core is provided with sets of mounting grooves on the iron core in the peripheral direction of the iron core, each set of mounting grooves having two or more mounting grooves provided intermittently in the radial direction of the iron core. There are sets of permanent magnets, the individual permanent magnet of each set of permanent magnets correspondingly being embedded into the individual mounting grooves of each set of mounting grooves; there is an island region between the outermost layer of mounting grooves and the periphery of the iron core, and an enhancing hole is provided in the island region, an enhancing rod being provided in the enhancing hole. A motor includes a motor stator and the motor rotor, with the motor rotor provided inside the motor stator.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: November 22, 2016
    Assignees: Gree Electric Appliances, Inc. of Zhuhai, Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    Inventors: Hui Huang, Yusheng Hu, Dongsuo Chen, Huajie Chen, Yong Xiao, Xueying Zeng, Wenming Zhang
  • Motor
    Patent number: 9496762
    Abstract: A motor includes a casing which is a resin molded article produced by using a core-back, a plurality of teeth, an insulator, a coil, a metal terminal, and a protection member as inserts. The protection member includes a cover section through which the metal terminal penetrates in the axial direction. The protection member or the insulator includes a post section arranged to axially extend in a portion of a surrounding of the metal terminal. A connection space within which a connection point of the metal terminal and the lead wire is disposed is provided between the cover section and the insulator and at the side of the metal terminal from the post section. The lead wire is arranged to reach the connection space through an opening arranged in the post section.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: November 15, 2016
    Assignee: NIDEC TECHNO MOTOR CORPORATION
    Inventors: Masataka Miyamoto, Masayuki Ishikawa, Akitoshi Maeno, Takenori Kawashima
  • Records access and management
    Patent number: 9489486
    Abstract: An electronic device for aggregating electronic medical records, in which electronic medical records are aggregated from multiple electronic repositories and displayed as a single set of records. The multiple electronic repositories may store records for a particular patient using varying identifying/access information to facilitate anonymous access to the electronic medical records. Emergency medical services providers may be able to access medical records for a patient using the electronic device after being authenticated as a valid/licensed medical services provider.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: November 8, 2016
    Assignee: eIngot LLC
    Inventor: William J. Raduchel
  • Rotor of magnet-assisted reluctance motor and brushless motor
    Patent number: 9490673
    Abstract: A rotor includes S-pole and N-pole magnets which are arc-shaped in cross-section. Each pole has three magnets. Each magnet is embedded in the rotor in such a way that a convex side portion thereof faces center Or of the rotor. Distance Rs between center Os of circular arcs of S-pole magnets and center Or of the rotor is different from distance Rn between center On of circular arcs of N-pole magnets and center Or of the rotor (Rs?Rn). The ratio of the two distances is 0.92 (Rs/Rn=0.92). An outer peripheral section of an innermost-layer S-pole magnet is disposed in such a way as to protrude into an adjacent pole zone N1 or N2 from a pole zone S1 or S2.
    Type: Grant
    Filed: August 10, 2013
    Date of Patent: November 8, 2016
    Assignee: MITSUBA CORPORATION
    Inventors: Masayuki Okubo, Keisuke Mitsuoka, Masaru Watanabe
  • System and method for generating and employing short length iris codes
    Patent number: 9483696
    Abstract: A system and method for generating compact iris representations based on a database of iris images includes providing full-length iris codes for iris images in a database, where the full-length iris code includes a plurality of portions corresponding to circumferential rings in an associated iris image. Genuine and imposter score distributions are computed for the full-length iris codes, and code portions are identified that have a contribution that provides separation between imposter and genuine distributions relative to a threshold. A correlation between remaining code portions is measured. A subset of code portions having low correlations within the subset is generated to produce a compact iris representation.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: November 1, 2016
    Assignee: International Business Machines Coproation
    Inventors: Jonathan H. Connell, II, James E. Gentile, Nalini K. Ratha
  • Heat dissipation module
    Patent number: 9482219
    Abstract: A heat dissipation module includes an electro-magnetic member, an elastic member and a magnetic member. The electro-magnetic member is configured for generating a periodic magnetic field. The elastic member includes a fixed end, a free end and multiple blades for expanding or closing; and the blades are located between the fixed end and the free end. The magnetic member is disposed on the free end and configured for reciprocating due to being magnetically induced by the periodic magnetic field so as to drive the plurality of blades to produce an air current.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: November 1, 2016
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Yi-Lun Cheng, Chih-Kai Yang
  • Systems and methods for collecting information at an emergency vehicle
    Patent number: 9483616
    Abstract: A method for collecting information at a vehicle, such as an emergency vehicle, involves receiving at the vehicle a request regarding a patient. The method further involves collecting information on the patient using a mobile computer at the vehicle. The method also involves transmitting the patient information as an electronic file from the mobile computer to a hospital over a network. As part of this method, billing information concerning the patient may be collected. Additionally, a method for processing billing information concerning a patient involves collecting billing information regarding the patient from a mobile computer at a vehicle over a network. The method further involves classifying a service provided to the patient in at least one billing category based on the billing information. In addition, the method further involves generating a bill for the patient based on the billing information.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: November 1, 2016
    Assignee: ACS State & Local Solutions, Inc.
    Inventors: Richard Hamilton, Edward Kerkow
  • Single phase brushless motor
    Patent number: 9484774
    Abstract: A single-phase brushless motor has both superior start-up stability and low cogging torque. In the outer-rotor-type single-phase brushless motor, when a gap width between the rotor and one edge of the salient pole surface is defined as d1, a gap width between the rotor and the other edge of the salient pole surface is defined as d2, and a minimum gap width between the rotor and the salient pole surface is defined as d3, the formula d3<d1<d2 is satisfied, and the gap width is d3 at a position shifted toward the one edge of the salient pole surface from the center of the arc shape which forms the salient pole surface.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: November 1, 2016
    Assignee: MINEBEA CO., LTD.
    Inventors: Yuji Omura, Tomoaki Nakano, Masaaki Nishizawa, Takahiro Sakaguchi, Shinichi Uchikawa, Tomoyuki Tsukada
  • Linear actuator
    Patent number: 9472998
    Abstract: A linear actuator has a stator with two stator coils and pole plates forming stator poles. A rotor is rotatably mounted to interact with the stator poles. The rotor has a hollow cup shaped permanent magnet fitted to a screw shaft. An output shaft, which is co-axial with the rotor, is driven by the rotor through a screw connection. The rotor is supported by a single rotary bearing located within the magnet, axially between axial ends of the permanent magnet.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: October 18, 2016
    Assignee: JOHNSON ELECTRIC S.A.
    Inventors: Bruno Neuhaus, Michael Watzek, Miha Furlan
  • Rotary electric machine for vehicle
    Patent number: 9473003
    Abstract: A rotary electric machine for a vehicle is obtained in which cooling performance between phases of a coil can be improved. The rotary electric machine for a vehicle includes: a stator that is placed opposite the outer periphery face of a rotor and has a plurality of split cores; coil ends formed protruded toward the edge face in the axis direction of the cores on each of which a coil is wound; a power distribution part placed on the radial outer periphery side of the cores; and a cover for protecting the power distribution part, wherein the inner periphery of the cover is located more inside than the outermost periphery of the coil ends in the radial direction and has inclined parts inclined toward the coil ends.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: October 18, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventor: Ken Nishikawa
  • Rotating electric machine
    Patent number: 9472994
    Abstract: The present invention provides an AC generator for a vehicle, in which a resin case (26) includes convex portions (33) formed on an outer circumferential surface of the resin case (26) so as to extend in an axial direction of the resin case (26) to be brought into pressure-contact with an inner circumferential wall surface of a counter drive-side bearing housing portion (24), and convex portions (34) formed on an inner circumferential surface of the resin case (26) so as to be opposed to the convex portions (33). The concave portions (34) allow displacement of the convex portions (33) in a radially inward direction of the resin case (26). By an elastic force generated by the displacement of the convex portions (33), the resin case (26) is integrated with the counter drive-side bearing housing portion (24).
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: October 18, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazunori Tanaka, Kazuya Hasegawa, Shintaro Shimizu, Atsushi Oohashi