Housings, Windows Or Covers Patents (Class 310/89)
  • Patent number: 10680483
    Abstract: A motor assembly includes a stator, a rotor rotatable about an axis, and a housing at least in part defining a motor chamber. The stator and the rotor at least in part are received within the motor chamber. The housing includes a first housing portion and a second housing portion. The housing portions engage one another along an interface. The interface restricts ingress of contaminants therethrough into the motor chamber. The housing portions cooperatively define a nested portion that at least in part defines the interface. The nested portion includes an arcuately extending projection and an arcuately extending receiver. The receiver defines an arcuately extending receiving channel. The projection is at least in part received within the receiving channel.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: June 9, 2020
    Assignee: Nidec Motor Corporation
    Inventors: Marc J. Corcoran, Mark Emanuel, Ryan M. Bastien
  • Patent number: 10648483
    Abstract: A fan may be designed for the strategic diversion of moisture through or around a housing enclosing a controller and/or a motor. The enclosure may include one or more paths for directing moisture away from the controller or the motor. For instance, the housing may include a gap between a support structure and the housing for preventing moisture from entering the housing. The housing may also include a hollow structure for directing fluid through the housing. Additionally, the housing may include one or more channels, raised walls, gutters, and shields for preventing fluid, such as liquid water, from entering an enclosure for the controller or motor.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: May 12, 2020
    Assignee: DELTA T, LLC
    Inventor: Richard A. Oleson
  • Patent number: 10651704
    Abstract: A rotating device has a housing having an opening portion opened to one side in a rotor axis direction, a rotor accommodated in the housing, a substrate coupling to the opening portion, and a cover covering a part of the substrate, and a snap portion and a loop portion are provided on an end portion, in the housing, forming the opening portion and are arranged in a radial direction. The substrate has an engaged portion engaging with the snap portion, and the cover has an engaged portion engaging with the loop portion.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: May 12, 2020
    Assignee: MINEBEA MITSUMI INC.
    Inventor: Katsunori Sakuragi
  • Patent number: 10630141
    Abstract: In a driving apparatus (10) in which a position of a rotating shaft (27) of an electric motor (16) in a direction of an axis (B1) is determined, the driving apparatus (10) has: a stopper (77) which determines a position of the rotating shaft (27) in the direction of the axis (B1), and a terminal holder (31) which holds a first terminal for supplying an electric current to the electric motor (16), wherein a layout region of the stopper (77) in the direction of the axis (B1) and a layout region of the terminal holder (31) in the direction of the axis (B1) are overlapped with each other.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: April 21, 2020
    Assignee: MITSUBA CORPORATION
    Inventor: Yukiyoshi Iso
  • Patent number: 10622863
    Abstract: A drive unit (1) has a housing (2) and an output-side element (3). The housing (2) has at least two webs (8) that lie opposite one another and that project from the housing (2) in a manner so that the webs (8) are spaced apart from one another. The webs (8) are configured to fasten the housing (2) to a mounting unit (7).
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: April 14, 2020
    Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
    Inventors: Gregor Michna, Pascal Gassmann, Gerhard Groetzschel, Benjamin Eickmeyer, Johannes Regner
  • Patent number: 10594186
    Abstract: To provide an outer rotor type motor capable of suppressing the runout of a top surface by improving the strength in a fitted part between a rotor yoke and a rotor shaft and suppressing resonance between vibration generated by rotation of a rotated body to be a load and motor vibration to thereby realize noise reduction. A rotor yoke is configured so that a rotor hub is fitted to a top surface portion formed in a cup shape integrally with a rotor shaft, and a reinforcing hub concentrically fixed to the rotor shaft with the rotor yoke is arranged so as to overlap the rotor hub.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: March 17, 2020
    Assignee: SHINANO KENSHI KABUSHIKI KAISHA
    Inventors: Takuji Yamada, Hiroki Kuroiwa
  • Patent number: 10576815
    Abstract: Provided is a rotary electric machine housing and a rotary electric machine equipped with the same. The housing allows the reduction of press fitting force required in each of two press fitting steps and has a high cooling effect. This rotary electric machine housing includes an internal cylinder 10 allowing press fitting of a stator 20 along an inner diameter end of the internal cylinder. The internal cylinder 10 has an internal cylinder-side tapered face on its outer diameter end surface. The housing further includes an external cylinder 11 having an external cylinder-side tapered face on an inner diameter end of the external cylinder. The external cylinder-side tapered face fits onto the internal cylinder-side tapered face.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: March 3, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Riichi Nagao, Shinji Yamazaki
  • Patent number: 10525581
    Abstract: A hand-held power tool includes an electric motor, a housing, and a housing cover. The housing includes an opening located in the vicinity of carbon brushes of the electric motor, such that the carbon brushes can be removed through the opening in the housing. The housing cover includes air inlets through which cooling air can flow into the interior of the housing. The opening in the housing is detachably closed by the housing cover.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: January 7, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Florian Esenwein, Peter Stierle, Manfred Lutz, Thomas Schomisch
  • Patent number: 10523072
    Abstract: An electric machine may include a plurality of sections, each defining a permanent magnet pocket and a field formation chamber. The sections may be stacked to form a rotor such that when walls of the permanent magnet pockets are aligned from end to end, walls of the chambers of at least some of the sections are offset. An adjacent pair of the sections may have different chamber to pocket relative positions to define different pole arc angles. A difference between the first pole arc angle and the second pole arc angle may be equal to a slot pitch of a stator of the electric machine. The slot pitch may be 7.5 mechanical degrees. The chamber may be defined on a radially outward edge of the pocket. The chamber may taper in a radially outward direction.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: December 31, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Chun Tang, Wei Wu, Joel Hetrick
  • Patent number: 10502124
    Abstract: An adjusting device for mechanically actuating a component may include a housing, which may include a first housing part and a second housing part that abut on one another along a dividing plane. The device may also include an electric motor for rotationally driving an actuator arranged on the second housing part and configured to couple to a component. The first housing part and the second housing part may be fastenable to one another via a plurality of first fastening elements disposed on the first housing part and a plurality of second fastening elements provided complementary thereto and disposed on the second housing part. The plurality of first fastening elements and the plurality of second fastening elements may be arranged evenly distributed in the circumferential direction such that the first housing part and the second housing part are fastenable in a plurality of different rotational positions.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: December 10, 2019
    Assignee: Mahle International GmbH
    Inventors: Eugen Makarow, Edgar Salfeld, Florian Wetzel
  • Patent number: 10449994
    Abstract: A steering apparatus includes: a steering column that rotatably supports a steering shaft; and a controller provided with an accommodation case fixed to an outer peripheral surface of the steering column, in which a pair of engagement protrusions, which face each other, are provided on the outer peripheral surface of the steering column, an insertion portion is provided in the accommodation case to be inserted between the engagement protrusions, and the insertion portion is provided with a fitting portion having a crushing margin which is crushed by the engagement protrusions when the insertion portion is inserted between the engagement protrusions.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 22, 2019
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Akitsugu Funahashi
  • Patent number: 10401053
    Abstract: A dehumidifier includes a desiccant, first and second fans, and a bracket. The first fan generates a process airflow through a first portion of the desiccant as it rotates in order to provide dehumidification. The second fan generates a reactivation airflow through a second portion of the desiccant as it rotates in order to dry the desiccant. The bracket is configured to mount the first fan within the dehumidifier. The bracket includes a first portion coupled to the first fan that supports weight of the first fan when the dehumidifier is in an upright position. The bracket also includes a support member coupled to the first portion and a side of the dehumidifier. The side member supports weight of the first fan when the dehumidifier is in a horizontal position.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: September 3, 2019
    Assignee: Therma-Stor LLC
    Inventors: Laurence A. Carlson, Jeremy Daniel Coyne, Todd R. DeMonte, Steven S. Dingle, Sean Michael Ebert, Richard G. Giallombardo, Michael J. Steffes, Joshua Alexander Trumm
  • Patent number: 10396634
    Abstract: Disclosed herein are a sensor assembly including a holder that includes a first insertion groove formed at one side and a second insertion groove formed at the other side, a sensing magnet disposed at the first insertion groove, and a sensor cap that covers the sensing magnet, and a motor including the same.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: August 27, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Cheong Un Han
  • Patent number: 10295369
    Abstract: Disclosed is a sensor module, comprising: a protrusion part of a polygonal shape formed at one side; a sensing plate including a first insertion hole, formed in the protrusion part, to which a rotational shaft is coupled; and a sensing magnet including a second insertion hole, formed to correspond to the polygonal shape, in which the protrusion part is inserted and fixed.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: May 21, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Ja Young Seo
  • Patent number: 10270325
    Abstract: The present invention provides a single phase permanent magnet motor including a stator core and a permanent magnet rotor. The stator core includes an end portion and two arm portions extending from the end portion. Each arm portion includes a connecting arm connected to the end portion and a pole claw formed at a distal end of the connecting arm. The two pole claws defines a receiving space. The rotor is rotatably disposed in the receiving space of the stator core. The rotor includes a rotor core made of a magnetic material and at least one permanent magnet attached to the rotor core.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 23, 2019
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Yue Li, Chui You Zhou, Yong Wang, Yong Li
  • Patent number: 10243425
    Abstract: An electric motor includes a motor housing (5) which includes cooling ribs (15) on the peripheral side leading away heat arising in the motor. The cooling ribs (15) only extend over a part of the periphery of the motor housing (5), so that cooling ribs (21) of the electronics housing (13) have space in the cooling-rib-free part of the motor housing (5). The cooling ribs (21) of the electronics housing (13) are arranged aligned with the cooling ribs (15) of the motor transversely to a motor axis (14).
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: March 26, 2019
    Assignee: GRUNDFOS HOLDING A/S
    Inventors: Knud Jørgen Saaby Mikkelsen, Bjørn Breitzke, Steen Heelund
  • Patent number: 10196082
    Abstract: The present invention provides a power steering apparatus capable of realizing a reduction in an axial dimension of the apparatus. A resolver 16, which detects a rotational position of a motor rotor 13, is provided between a motor element 15 and a steering housing 6 in a direction of an x axis. A bolt 19, which fixes a motor housing 17 to the steering housing 6, is provided so as to overlap the resolver 16 in the direction of the x axis radially outside the resolver 16.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: February 5, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Toshiro Yoda, Takuya Ishihara
  • Patent number: 10110101
    Abstract: The single-phase induction motor includes a stator fixed in a cylindrical frame by shrink-fitting or press-fitting, a main winding wire and an auxiliary winding wire provided on the stator, and a rotor provided on an inner circumferential side of the stator, in which an arc-shaped arc portion and a linear cutout portion are formed on an outer circumference of the stator, the arc portion is arranged on the outer circumference of the stator in a direction of the main winding wire magnetic pole with respect to the center of the stator, and a relief portion for reducing a contact area between the arc portion and an inner circumferential surface of the frame is formed on the arc portion.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: October 23, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventor: Masashi Ono
  • Patent number: 10069371
    Abstract: An apparatus including a housing; a motor having a stator and a rotor, where the stator is connected to the housing; an environment barrier extending between the stator and the rotor; and a sealing system connecting the environment barrier with the housing. The sealing system includes a first seal interface and a second seal interface. The first seal interface connects to the housing at a first diameter which is at least partially less than or equal to an inner diameter of the stator. The second seal interface connects to the housing at a second diameter which is at least partially greater than or equal to an outer diameter of the stator.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: September 4, 2018
    Assignee: Persimmon Technologies Corporation
    Inventors: Martin Hosek, Christopher Hofmeister, Dennis Poole
  • Patent number: 10001127
    Abstract: The invention provides a portable DC cooling fan that performs the dual function of a cooling fan and a sleep aid by generating air movement and white noise useful for inducing sleep. The portable device includes a DC axial fan under the control of an electrical control system that receives power through an AC/DC adapter. The electrical control system includes one or more user interface switches for selecting fan speed and optionally, selecting oscillation mode, thereby simulating the sounds of an oscillating fan without undergoing rotation. The portable DC cooling fan of the invention includes a housing having a plurality of openings on its front and rear surfaces that enable air flow through the device. The invention also provides an article of manufacturer comprising an AC/DC adapter packaged with a portable DC cooling fan of the invention.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: June 19, 2018
    Inventors: Gary Todd Bonham, Dale Thomas
  • Patent number: 9995364
    Abstract: The invention relates to a device (10) for mechanically adjusting a vibration behavior of a machine element, wherein the device can be coupled to the machine element or is designed as a part of the machine element, the device comprises an adjustment section (11) for the adjustment and a cavity (12) arranged in the adjustment section, and a specified insertion apparatus (20) can be variably inserted into the cavity in such a way that the stiffness of the adjustment section can be changed. Thus the vibration behavior of the machine element can also be varied.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: June 12, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Bernd Guderian, Peter Lemberg, Andreas Proksch
  • Patent number: 9866086
    Abstract: An electric machine has a stator and a rotor. The rotor is arranged on a rotor shaft that can be rotated about an axis of rotation. The stator surrounds the rotor radially on the outside with respect to the axis of rotation. The stator is surrounded radially on the outside by a one-piece housing with respect to the axis of rotation. As viewed around the axis of rotation, the housing extends only over a partial angular range. As viewed around the axis of rotation, a remaining angular range, in which the stator is not surrounded by the housing, thus remains. In end regions located at the ends of the partial angular range, the housing has housing-side form-closure elements, which cause a form closure of the housing with the stator in interaction with stator-side form-closure elements.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: January 9, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Bernd Pfannschmidt
  • Patent number: 9853521
    Abstract: An actuator includes an electric motor having a shaft, an output member coupled to the shaft, a casing having a wall, a mounting structure, and a tubular body sleeved around the shaft and coupling the mounting structure to the wall. The motor is mounted to the casing via the mounting structure.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: December 26, 2017
    Assignee: Johnson Electric S.A.
    Inventor: Christopher Joseph Billman
  • Patent number: 9853517
    Abstract: A ceiling fan motor structure includes a housing, a magnetic ring, and a cover. The housing has an annular wall and a shielding plate which jointly define a receiving room. The open side of the annular wall forms an opening. The housing has an annular edge around the opening. The annular wall has a plurality of projections projecting from the inner wall surface of the receiving room. The magnetic ring has a plurality of recesses on its outer periphery and is placed into the receiving room of the housing in a way in which the recesses are respectively aligned with the projections and in which each projection is placed in the corresponding recess to prevent relative rotation between the magnetic ring and the housing. The cover closes the opening and is fixedly connected to the housing.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: December 26, 2017
    Inventor: Chao Chin Yao
  • Patent number: 9831737
    Abstract: A yoke housing includes a tubular case and a flange. The tubular case is formed from a metal sheet in a drawing process. The flange is formed at an end of the tubular case. The flange has a width in the lateral direction that is equal to the outer diameter of the tubular case. The flange has a base including beads and a thick portion. Each of the beads is formed by compressing the base. A portion of the base in which the beads are not formed defines a thick portion. The thick portion is located at a middle portion of the flange in the lateral direction. The beads are located on opposite sides of the thick portion in the lateral direction.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: November 28, 2017
    Assignee: ASMO CO., LTD.
    Inventors: Yousuke Kanbe, Tsuyoshi Matsuda
  • Patent number: 9831738
    Abstract: A rotating electric machine includes a cover formed in a cylindrical shape and extending in an axial direction to cover the controller section, a lid section disposed inside of the cover body to seal the cover body, a first sealing member compressed between the lid section and the cover, and a second sealing member compressed in a different direction than the first sealing member between the cover and the first frame or the second frame. The rotating electric machine also includes a tab formed on an outer periphery of the first frame or the second frame, and a claw extending from the one end of the cover body and engageable with the tab to hold the sealing members in a compressed state. As a result, the rotating electric machine is sealed from dust and water.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: November 28, 2017
    Assignee: DENSO CORPORATION
    Inventors: Masashi Yamasaki, Daisuke Yamashita
  • Patent number: 9819249
    Abstract: A motor stator locating method for locating a motor stator structure on a circuit board is disclosed. The motor stator structure includes a base and a contact pad set. The base is provided at a central portion thereof with a raised portion, which is wound around by a coil having a plurality of turns. The contact pad set is correspondingly attached to one side of the base opposite to the raised portion, and has a first and a second contact pad. The coil has two ends respectively connected to the first and the second contact pad. With these arrangements, the motor stator structure can be manufactured at largely improved production efficiency and reduced error rate.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: November 14, 2017
    Assignee: Asia Vital Components (Chengdu) Co., Ltd.
    Inventor: Meng Shen
  • Patent number: 9800118
    Abstract: A self-cooled motor includes a shaft; a rotor; a stator radially opposite the rotor; a housing supporting a bearing and the stator; and an impeller located axially below the rotor, and configured to rotate together with the shaft to generate an air current. The housing includes a base portion located axially above the rotor; two or more attachment portions radially outward of the rotor; and a cylindrical or substantially cylindrical cover portion configured to join the base portion and the attachment portions. A lower end of each attachment portion is located at an axial level lower than an axial level of the impeller. The base portion includes an air inlet. The cover portion includes an air outlet located between adjacent ones of the attachment portions, and configured to connect a space radially inside the housing and a space radially outside the housing with each other.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: October 24, 2017
    Assignee: NIDEC CORPORATION
    Inventor: Yusuke Iwai
  • Patent number: 9777607
    Abstract: A lubricating oil passage structure for a bearing of an oil cooled rotating machine includes a bearing (114) arranged in the center of a bracket (111) to rotatably support a rotary shaft (101). Protruding ribs (116, 117, 117a) are spirally arranged on the inner surface of the bracket (111). Also, a bearing rib (112) having an oil passage groove (113) for supplying the bearing (114) with lubricating oil is formed on the inner surface of the bracket (111). An upper projection hole (110) is formed in the upper portion of the bracket (111) for introducing the lubricating oil. The protruding ribs located on the right and left of the upper projection hole (110) in the circumferential direction are the upper protruding ribs (116) which function as guides for guiding the lubricating oil to the bearing rib.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: October 3, 2017
    Assignee: MEIDENSHA CORPORATION
    Inventors: Koji Nagata, Tomokazu Arigami, Naoya Shinkawa
  • Patent number: 9774225
    Abstract: A motor (100) is used for driving a member in a container regulated to a pressure different from the atmospheric pressure. The motor (100) includes a rotor (10), a stator (18), and a case (34). The rotor (10) is located in an environment having a pressure different from the atmospheric pressure. The stator (18) is located opposedly to the rotor (10). The case (34) contains the rotor (10) and the stator (18). In the motor (100), a space in the case (34) opposed to the rotor (10) is filled with a resin.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: September 26, 2017
    Assignee: NABTESCO CORPORATION
    Inventor: Mitsuru Shimamoto
  • Patent number: 9731589
    Abstract: A hybrid drive arrangement of a motor vehicle, which has a main transmission having an input shaft and housing. An electric machine, that can operate either as a motor and a generator, has a stator and rotor which, on the input side, is connected to the main transmission. A planetary gearset is arranged between the rotor and the transmission input shaft. The transmission input shaft has a central oil bore and transverse bores for supplying oil to the planetary gearset and the electric machine. The planetary gearset and the electric machine are accommodated in a hybrid housing. The hybrid housing is connected to the transmission housing of the main transmission by an oil return line. The oil stream passing into the oil return line is in heat-transferring connection, by way of a partition wall, with a coolant which flows through a cooling duct arranged radially outside the stator.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: August 15, 2017
    Assignee: ZF Friedrichshafen AG
    Inventors: Rayk Gersten, Markus Baur
  • Patent number: 9664194
    Abstract: A fan may be designed for the strategic diversion of moisture through or around a housing enclosing a controller and/or a motor. The enclosure may include one or more paths for directing moisture away from the controller or the motor. For instance, the housing may include a gap between a support structure and the housing for preventing moisture from entering the housing. The housing may also include a hollow structure for directing fluid through the housing. Additionally, the housing may include one or more channels, raised walls, gutters, and shields for preventing fluid, such as liquid water, from entering an enclosure for the controller or motor.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: May 30, 2017
    Assignee: DELTA T CORPORATION
    Inventor: Richard A. Oleson
  • Patent number: 9624840
    Abstract: In the intake air quantity control device, a ring-shaped convex portion having an outer diameter being smaller than an inner diameter of the wave washer for damping the drive motor is formed on the bottom surface of the cylinder-shaped hole of the throttle body, and tapered portions are provided at an outer-diameter corner of the ring-shaped convex portion and at an outer-diameter corner of the bottom surface of the cylinder-shaped hole of the throttle body.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: April 18, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazuhisa Kurita, Chiaki Sugano, Naruhiko Kawasaki
  • Patent number: 9543814
    Abstract: An electric machine, such as a generator, providing for the generation of electricity and includes a rotor generating a magnetic field and a stator having stator windings. The interaction of the magnetic field with the stator windings generates current in the windings. The generator may provide the generated current to a power output of the generator, where it may be further transmitted to an electrical load to power the load.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: January 10, 2017
    Assignee: GE AVIATION SYSTEMS LLC
    Inventor: Charles T. Sigler
  • Patent number: 9502071
    Abstract: A base member includes a base through-hole which interconnects an upper opening and a lower opening. An insulating sheet portion is disposed at a lower surface side of the base member. The insulating sheet portion covers at least a portion of the lower opening. Lead wires extending from coils extend to the lower surface side of the base member through the base through-hole. The lead wires extend radially outward along a lower surface of the insulating sheet portion while making contact with the insulating sheet portion. The lead wires are soldered to land portions of a circuit substrate. The lower opening is covered with a sealing material. The circuit substrate includes a first region. The insulating sheet portion is defined by a smaller number of layers than the first region.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: November 22, 2016
    Assignee: NIDEC CORPORATION
    Inventors: Kazuhiro Sato, Masahiro Shiraishi, Takayuki Ishino, Akihiro Yudate, Takuro Matsumoto, Toshihiro Akiyama
  • Patent number: 9473004
    Abstract: A drive device that includes a motor having a rotor disposed relative to a stator, a cover having a one-end-closed cylinder shape and positioned on one axial end side of the motor, and a substrate on the inside of the cover perpendicular to a motor shaft having electronic components implemented on the substrate. The drive device also includes a connector positioned on a motor side of the substrate with an opening that is connectable to an external terminal. The opening of the connector faces outward relative to the motor shaft. The drive device further includes a heat sink having a frame end part and a heat receiving part formed in one body. The drive device increases heat capacity of the heat sink without increasing its height.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: October 18, 2016
    Assignee: DENSO CORPORATION
    Inventors: Yuuta Kadoike, Hideki Kabune, Hiroyuki Kawata
  • Patent number: 9467019
    Abstract: A connection housing (11) which arranged outside on the motor housing (9), receives electrical connections as well as electronic components and, with respect to the motor axis, extends peripherally and axially of the motor housing (9). The connection housing (11) has two individual housings (12, 13) which are connected to one another and whose interiors are connected.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: October 11, 2016
    Assignee: GRUNDFOS HOLDING A/S
    Inventors: Lars Kannegaard Andersen, Jørgen Elkjær Jensen
  • Patent number: 9461515
    Abstract: In an inner-rotor motor, an armature includes a stator core including an annular core back and magnetic pole teeth projecting from the core back; an insulator covering an upper and lower surface of each magnetic pole tooth of the stator core; and coils defined by a conducting wire wound around a separate one of the magnetic pole teeth with the insulator intervening therebetween. The insulator includes at least one protruding portion. An upper end of each protruding portion is arranged at an axial level higher than an axial level of a lower surface of a circuit board. The circuit board includes at least one penetration portion each of which is defined by a cut or a hole, and in each of which a corresponding one of the at least one protruding portion is arranged.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: October 4, 2016
    Assignee: NIDEC CORPORATION
    Inventors: Keizo Furukawa, Kazuya Kitaji
  • Patent number: 9444313
    Abstract: A motor includes a stator core fitted to a cylindrical portion of a case, a rotor core being rotatable in the stator core, soft magnetic poles radially extending from the rotor core, and magnet poles disposed between the soft magnetic poles. The case includes a bottom portion having a ring-shaped plate portion, a protrusion portion, and a bearing-supporting portion extending from the protrusion portion. A condition that L2?t and a condition that L1?L2 are met, wherein t represents a thickness of the bottom portion, L1 represents a distance in an axial direction between a side surface of the ring-shaped plate portion close to the stator core and a protrusion end of the protrusion portion close to the rotor core, and L2 represents a distance in the axial direction between the side surface and an end surface of a bearing opposite to the rotor core.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: September 13, 2016
    Assignee: DENSO CORPORATION
    Inventor: Makoto Taniguchi
  • Patent number: 9421632
    Abstract: An engine welder having a single rotor and a single stator, and methods of distributing electrical power capacity of the engine welder to various welding windings and auxiliary windings of the engine welder. The single rotor is driven at saturation current and independent control of the welding outputs is accomplished on the stator side of the engine welder. Means for supplying the full electrical power capacity of the engine welder to a single stator welding winding are provided. Furthermore, means for distributing the electrical power capacity of the engine welder between welding windings and/or auxiliary windings of the single stator are provided.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: August 23, 2016
    Assignee: Lincoln Global, Inc.
    Inventors: Samir F. Farah, Andreu P. Meckler
  • Patent number: 9422939
    Abstract: A pump housing, a fixing member and a holding member are assembled in the axis direction of an oil pump to fix a stator and a rotor of a brushless motor. The holding member is made of metal material and has a cylindrical shape that extends from its bottom portion toward one side in the axial direction. The fixing member is a cylindrical metal member. Stepped portions, extending in the circumferential direction, are formed in the outer periphery of the holding member and the inner periphery of the fixing member, and contact each other. The outer periphery of the holding member engages with the inner periphery of the fixing member. The outer periphery of the other end portion of the fixing member is fitted to the inner periphery of a flange portion projecting from the end face of the pump housing, which is adjacent to the brushless motor.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: August 23, 2016
    Assignee: JTEKT CORPORATION
    Inventors: Naotake Kanda, Yoshihiro Oono
  • Patent number: 9385572
    Abstract: A DC brushless motor having an external rotor, the motor including: a shaft, a stator assembly, an end cover, a housing, and a plurality of permanent magnets. The end cover includes a bearing. The housing includes: an inner wall, and an end. The shaft is connected with the stator assembly. The stator assembly is arranged inside the housing. The permanent magnets are positioned outside the stator assembly on the inner wall of the housing. The end cover is disposed on the end of the housing. The shaft is disposed on the bearing of the end cover.
    Type: Grant
    Filed: March 16, 2013
    Date of Patent: July 5, 2016
    Assignee: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD.
    Inventors: Chuping Lu, Songfa Tang, Chongsheng Zeng
  • Patent number: 9373986
    Abstract: An electric motor assembly that eliminates external component-to-component assembly seams between coupled packaging hardware that would inhibit the creation and maintenance of, for example, IP 66 and IP 67 seals while utilizing inexpensive existing motor shaft rear bearing supports and also creating additional internal electronic packaging space. The disclosure provides an assembly with a continuous (e.g., no interruptions or seams) surface area to support IP sealing of the entire packaging-to-package interface between a primary motor frame (e.g., housing) and externally attached secondary/ancillary electronic hardware.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: June 21, 2016
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: Edward F. Quade, Shawn Cloran, John S. Lindblom, Corey J. Risty
  • Patent number: 9300174
    Abstract: The objective is to prevent the flange of a ring member for holding the stator core from enlarging the diameter of a rotating electric machine and to eliminate a screwing space and a pedestal portion in the housing case so as to suppress the weight of the rotating electric machine from increasing; one end of the ring member for holding the stator core protrudes from the outer circumference of the stator core toward the rotation axle and the ring member is fixed to the cover or the housing case at the protruding portion.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: March 29, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Naoki Ohashi, Koichi Ojima
  • Patent number: 9263923
    Abstract: A rear frame has a fastening portion, which radially extends from an outer peripheral surface of the rear frame and receives a fastening force of a through bolt. A circuit board, which includes a control circuit, is installed to an axially outer surface of a main body of the rear frame. A reinforcing portion is provided in the fastening portion to limit deformation of the main body of the rear frame, which is induced by the fastening force of the through bolt.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: February 16, 2016
    Assignee: DENSO CORPORATION
    Inventors: Jirou Hayashi, Hiroshi Katai
  • Patent number: 9188462
    Abstract: A bearing unit is provided in an inner peripheral portion of a sensor housing in which a sensor portion is installed. The sensor portion includes a sensor mounting substrate and a sensor fixed to this sensor mounting substrate. The sensor housing is provided with an axially extending substrate mounting groove formed in a direction of a chord which will define the circular section of the outer peripheral surface of the sensor housing. The sensor mounting substrate is mounted on this substrate mounting groove to install the sensor portion within the sensor housing.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: November 17, 2015
    Assignee: NTN CORPORATION
    Inventors: Kaoru Omoto, Seiichi Takada
  • Patent number: 9143020
    Abstract: An electric drive motor for a work apparatus includes a stator having two stator poles which are at a distance from one another in the circumferential direction and have respective field windings. The motor has a rotor which rotates between the stator poles and the rotor shaft of the rotor drives a fan wheel. The cooling-air flow generated by the fan wheel enters the stator, flows therethrough and is discharged therefrom. For effective cooling, a pole intermediate space is provided between the stator poles; and, for the cooling-air flow, this space is filled by a non-magnetic guide body to provide a cooling duct delimited by the guide body and the field windings. The guide body is fastened to a support at one stator end and is inserted axially into the stator at the other end thereof.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: September 22, 2015
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Renz, Alexander Haas, Adolf Juergen Neumann, Markus Maier
  • Patent number: 9136744
    Abstract: A motor includes a motor unit, a deceleration unit, and a connector unit. The motor unit outputs rotational drive force and includes a yoke housing, a commutator, a power supply brush, a conductive member, and a brush holder. The yoke housing has an open end in an axial direction. The conductive member is electrically connected to the power supply brush. The brush holder is arranged in the open end to hold the commutator, the power supply brush, and the conductive member. The deceleration unit includes a gear housing coupled to the open end. The connector unit is coupled to the gear housing and including a connection terminal electrically connected to the conductive member. The commutator and the power supply brush are arranged outside the yoke housing. The conductive member and the yoke housing are arranged on opposite sides of the commutator.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: September 15, 2015
    Assignee: Asmo Co., Ltd.
    Inventor: Nobuo Mizutani
  • Patent number: 9130420
    Abstract: Provided is a stator that can reduce iron loss and ensure a fastening force for stator core segments. The stator of a generally hollow cylindrical shape includes a plurality of stator core segments arranged adjacent to one another in a circumferential direction of the stator and each having an outer surface on the outer side in a radial direction of the stator, and the same number of curved members as the stator core segments, the curved members extending in the circumferential direction, and each having a projecting portion curved to project toward the outer surface, contacting the outer surface and pressing the outer surface inward in the radial direction of the stator.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: September 8, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasuhiro Endo, Masao Okumura
  • Patent number: 9130413
    Abstract: An electric motor has been developed that includes a housing to prevent particles from exiting one compartment of the motor, while enabling air flow through another compartment of the motor. The enclosed compartment includes a printed circuit board having a plurality of electronics components to prevent debris produced by a catastrophic failure of an electronic component from escaping the housing. Vents are provided in a separate portion of the housing to enable air to circulate about the primary components of the motor.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: September 8, 2015
    Assignee: Nidec Motor Corporation
    Inventors: Jason A. Richter, Stephen J. Burton