Patents Examined by Quyen Leung
  • Engine valve duration control for improved scavenging
    Patent number: 8365528
    Abstract: Systems and methods for controlling air flow in an engine including a turbocharger are provided. One example method includes adjusting valve operation for a turbocharged engine. The method may improve scavenging and reduce exhaust blow down interference.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: February 5, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: Thomas G. Leone, Eric Warren Curtis, James Leiby, Wen Dai
  • Charging device with exhaust gas temperature control device
    Patent number: 8365519
    Abstract: In a charging device for an internal combustion engine, the charging device has at least one first line for the intake of fresh air, having at least one air-gap-insulated exhaust-carrying component. This is assigned to an outlet side of the internal combustion engine. At least one regulating element for distributing an exhaust gas stream, and at least one regulating element for distributing a pre-compressed fresh air stream is provided. The air-gap insulated exhaust-carrying component has an outer chamber, through which a controllable stream of fresh air flows.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: February 5, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Friedrich Wirbeleit, Guenther Vogt, Uwe Hammer, Bodo Becker
  • Electric motor windings
    Patent number: 8368275
    Abstract: A stator for a multi-phase electric motor comprises a plurality of teeth for each phase. The windings on two teeth from one phase are formed from a single length of conductor. The windings on a first one of the teeth being formed at least in part from two sections of the conductor spaced apart along the length of the conductor, and the windings on a second one of the teeth being formed from an intermediate section of the conductor between the spaced apart sections.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: February 5, 2013
    Assignee: TRW Limited
    Inventors: Andrew Lee Court, Jeffrey Ronald Coles
  • Rotary motor
    Patent number: 8368269
    Abstract: The present invention relates to rotary motors in which the rotational motion of the motor is provided by the attractive (or repulsive) forces between a pair of cooperating magnets in response to tilting of the motor axle.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: February 5, 2013
    Assignee: Larry Titus Clean Energy Technologies, Inc.
    Inventor: Larry D. Titus
  • Assembly and method for mass torque generation
    Patent number: 8368272
    Abstract: An assembly and method for generating mass torque having a frame structure supporting at least one torque generating wheel coupled to a rotational load. The torque generating wheel has peripheral circumferential veins of spaced magnetic or non-magnetic keys which are driven by an electro-mechanical control system including a plurality of electromagnetic coils and a timing circuit. The timed activation of the electro-mechanical control system on the magnetic (or non-magnetic) keys accelerate the generating wheel to rotate at a high rotational speed to generate a high level of torque output. The wheel structure is a large diameter structure constructed of a plurality of radial segments, each segment formed of a strong, lightweight and reinforced material.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: February 5, 2013
    Inventor: Steven R. Petersen
  • Stator of electric rotating machine
    Patent number: 8368270
    Abstract: The stator of an electric rotating machine includes a stator core constituted of a plurality of split cores joined to one another in a ring, a plurality of phase windings wound around the stator core, and an outer casing to an inner periphery of which an outer periphery of the stator core is fitted with clamping margin therebetween. The outer casing is provided with a brim including at least two brim portions at least at one of axial ends thereof. The brim portions are spaced from each other in a circumferential direction of the outer casing and project in a direction receding from a center axis of the outer casing.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: February 5, 2013
    Assignees: Denso Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuichi Kudose, Hiroaki Ishikawa, Atsuo Ishizuka, Tatsuhiko Mizutani, Kazuhiro Goto
  • Case lid assembly of DC motor with brush
    Patent number: 8368280
    Abstract: A case lid assembly is formed by integrally fitting a brush holder formed of resin and a terminal holder formed of resin to opposite sides of a metal plate which supports a bearing. The brush holder supports a pair of brush bases. The terminal holder supports a PTC element and a pair of electrically conductive members. The electrically conductive members have receptacle terminals and brush base connection portions. Tip ends of the brush bases pass through the metal plate, and come into contact with the brush base connection portions of the electrically conductive members to thereby be electrically connected thereto. The PTC element is accommodated within a PTC element insertion portion of the brush holder which extends through the metal plate in a thrust direction.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: February 5, 2013
    Assignee: Mabuchi Motor Co., Ltd.
    Inventor: Ikuo Matsushita
  • Optical-device switching apparatus for microscope
    Patent number: 8368268
    Abstract: An optical-device switching apparatus of a microscope includes a driving motor, and a rotation unit that is rotatably attached to a body and to which optical devices are attached, and a gear apparatus that is located between the driving motor and the rotation unit and transmits power from the driving motor to the rotation unit. The gear apparatus includes a backlash reduction system that reduces backlash.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: February 5, 2013
    Assignee: Olympus Corporation
    Inventor: Kazuhiro Hasegawa
  • Instantaneous magnetodynamic generator
    Patent number: 8368260
    Abstract: An instantaneous magnetodynamic generator includes a magnetic plate and a first metallic electrode plate. The magnetic plate has at least one pair of N and S magnetic poles. One magnetic pole of the pair of N and S magnetic poles has a first magnetic pole face, and the other magnetic pole of the pair of N and S magnetic poles has a second magnetic pole face. The first metallic electrode plate has an electrode face and at least one metallic wire. The electrode face faces the first and second magnetic pole faces. The metallic wire has a free end moving between a position beneath the first magnetic pole face and a position beneath the second magnetic pole face to induce a positive or negative tunneling current on the first metallic electrode plate.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: February 5, 2013
    Assignee: National Dong Hwa University
    Inventor: Yuan-Ron Ma
  • Multilayer brush having a composite
    Patent number: 8368281
    Abstract: A multilayer brush, which essentially contains a composite having a graphite component and having a copper component, and a layered structure, a first layer being furnished with a high copper component and a further layer being furnished with a comparatively low copper component. It is provided that the copper component of the first layer in comparison with the copper component of the second layer corresponds to a ratio of ?3/2.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: February 5, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Hans Hoell, Michael Bayer, Sven Hartmann, Gerhard Bachauer
  • Disk drive device rotationally driving recording disk
    Patent number: 8368282
    Abstract: A disk drive device includes: a hub on which a recording disk is to be mounted; a base configured to rotatably support the hub via a bearing; a core that is fixed to the base and includes a circular portion and S salient poles (where S is a natural number greater than or equal to 3) extending from the circular portion in the diameter direction; a three-phase coil that is formed by being wound around each of the S salient poles; and a magnet that is fixed to the hub and faces the S salient poles in the diameter direction, and that is provided with P driving magnetic poles in the circumferential direction (where P is a natural number greater than or equal to 2).
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: February 5, 2013
    Assignee: Alphana Technology Co., Ltd.
    Inventors: Minoru Sano, Tetsuo Kitamura
  • Die cast rotor with steel end rings to contain aluminum
    Patent number: 8368277
    Abstract: A rotor for an electrical inductor motor or an induction generator includes a core having spaces formed in the core. The rotor also has a first end ring. The first end ring has a first hub portion. A first ring is connected to the first hub portion by first spokes. The rotor also has a second end ring. The second end ring has a second hub portion. A second ring is connected to the second hub portion by second spokes. The first end ring is secured to the core. The second end ring is rotated a predetermined amount so the first spokes are misaligned with the second spokes. The second end ring is connected to the first end ring and the core. The core, the first end ring and the second end ring form a substrate. An aluminum conductor is cast to the substrate. The aluminum conductor fills in the spaces and around the first and second spokes to form a cast rotor.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: February 5, 2013
    Assignee: BAE Systems Controls Inc.
    Inventor: David Joseph Czebiniak
  • Dielectric actuator
    Patent number: 8368284
    Abstract: A dielectric actuator 1 of the present invention has a structure in which an elastic, high-dielectric material portion 2 is held by elastic insulating material portions 3a and 3b and the elastic insulating material portions are held by electrodes 4a and 4b from the outside. A base material for the elastic, high-dielectric material portion 2 is formed of a silicon rubber and a graphite powder is mixed therein to apply a conductive property.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: February 5, 2013
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Hiromitsu Takeuchi, Yukihisa Ueno, Naoto Kuriyama
  • Coil winding methods and structures for a slotless stator in a motor
    Patent number: 8362669
    Abstract: A method to form a field winding for a slotless stator including: forming the first coil group by spirally winding an insulated wire for each coil winding around a mandrel such that each turn of the wire is adjacent a next turn of the wire; after forming the first coil group, axially shifting along the mandrel the insulated wire from a trailing edge of each coil winding to position the wires at a leading edge of each of coil winding in the second coil group; forming the second coil group by spirally winding the insulated wire for each coil winding around a mandrel; removing the mandrel from the wound first and second coil groups; collapsing the wound coil groups to a layer web such that coil winding segments are interleaved; and wrapping the web into a cylinder to form the field winding.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: January 29, 2013
    Assignee: ResMed Motor Technologies Inc
    Inventors: Hiroshi Suzuki, Peter Jeffrey Thomas
  • Rotor for rotating electrical machine
    Patent number: 8362668
    Abstract: A rotor for a rotating electrical machine suppresses demagnetization of permanent magnets without deteriorating motor characteristics, is low-cost, and is highly reliable. The rotor has a plurality of rotor cores that are stacked together, a plurality of permanent magnets axially divided by the rotor cores and circumferentially arranged on each of the rotor cores, to circumferentially form magnetic irregularities, and a rotor blank made of nonmagnetic material arranged between those of the rotor cores that are adjacent to each other.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: January 29, 2013
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing Corporation
    Inventors: Norio Takahashi, Mikio Takabatake, Masanori Arata, Kazuto Sakai, Yutaka Hashiba, Wataru Ito, Tadashi Tokumasu, Masakatsu Matsubara
  • Silicon electrostatic micromotor with indentations, in particular for probe-storage systems
    Patent number: 8362674
    Abstract: In an electrostatic micromotor, a mobile substrate faces a fixed substrate, and electrostatic-interaction elements are provided to allow a relative movement of the mobile substrate with respect to the fixed substrate in a direction of movement. The electrostatic-interaction elements include electrodes arranged on a facing surface of the fixed substrate (2) facing the mobile substrate. The mobile substrate has indentations, which extend within the mobile substrate starting from a respective facing surface that faces the fixed substrate and define between them projections staggered with respect to the electrodes in the direction of movement. Side walls of the indentations have a first distance of separation at the respective facing surface, and a second distance of separation, greater than the first distance of separation, at an internal region of the indentations.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: January 29, 2013
    Assignee: STMicroelectronics S.r.l.
    Inventors: Bruno Murari, Ubaldo Mastromatteo, Giulio Ricotti
  • Electric machine having a heat dissipating construction
    Patent number: 8362662
    Abstract: An electric machine comprises an outer casing (2), a rotor and a stator (3) having at least one polar expansion (5) and at least one winding (8) having an annular shape and placed around the polar expansion (5). The casing (2) has a plurality of protrusions (13) each of which holds, by supporting, a corresponding portion (12) of a stator winding (8) to enable heat exchange between the winding (8) and the protrusion (13). Each portion (12) of the winding (8) is electrically insulated from the respective protrusion (13).
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: January 29, 2013
    Assignee: SPAL AUTOMOTIVE S.r.l.
    Inventor: Pietro De Filippis
  • Stator and electrical apparatus
    Patent number: 8362670
    Abstract: A plurality of stator teeth 2 are arranged at a constant interval in a circumferential direction on the inner circumferential face side or the outer circumferential face side of a ring-shaped stator core 1 that is made of a plurality of steel plates. The winding wire 5 is wound about the stator teeth. An insulator 4 that electrically insulates the stator core and the winding wire is provided therebetween. A gap 6 is formed between the winding wire and the insulator. Accordingly, a desired distance can be secured between the stator teeth and the winding wire regardless of the thickness of the insulator, and, thus, the influence of leakage magnetic fluxes that acts on the winding wire can be reduced. Accordingly, the influence of leakage magnetic fluxes formed near the stator teeth that acts on the winding wire can be reduced regardless of the thickness of the insulator.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: January 29, 2013
    Assignee: Panasonic Corporation
    Inventors: Takashi Ogawa, Yuichi Yoshikawa, Yasuo Yonei, Yasuji Echizen, Masahiko Kobayashi
  • Electric machine
    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
  • Liquid cooled stator terminal block for an electric machine
    Patent number: 8362665
    Abstract: An electric machine including a housing having an outer surface and an inner surface that defines an interior portion. The housing includes a connection zone. A fluid circuit passes, at least in part, through the housing. The fluid circuit includes an inlet portion and an outlet portion. A stator assembly is arranged within the interior portion of the housing. The stator assembly includes at least one connector lead, and a terminal block extending through the housing. The terminal block includes a non-electrically conductive member that is sealed against the housing. The non-electrically conductive member includes a fluid cavity. At least one electrically conductive member is covered, at least in part, by the non-electrically conductive member. The fluid cavity guides a fluid along a portion of the at least one electrically conductive member to absorb heat.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: January 29, 2013
    Assignee: Remy Technologies, L.L.C.
    Inventors: Bradley D. Chamberlin, Victor Kernus