Patents Assigned to TOP CO., LTD.
  • Patent number: 10411569
    Abstract: A rotor manufacturing method for manufacturing a rotor including a rotor core, the rotor core having a permanent magnet mounted thereon throughout a circumferential direction, includes covering an outer circumference of the rotor core with a tubular rotor cover; and forming an angular portion conforming to an outer shape of the permanent magnet by pressing an open end of the rotor cover radially inward with use of a pressing member, the open end of the rotor cover axially projecting from an end of the rotor core before being pressed.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: September 10, 2019
    Assignees: KYB Corporation, TOP Co., Ltd.
    Inventors: Takayuki Kawaguchi, Tomomi Hayase, Ryuichi Kaneko, Yoshiteru Kurokawa, Hiroyuki Miyoshi, Akihiro Kawabata
  • Patent number: 10218243
    Abstract: A rolling bearing has an inner ring attached to a rotating shaft out of contact with a first end surface, and an outer ring is fitted onto an inner peripheral surface of a housing in contact with the first end surface. A sliding element is provided between a second end surface and the first end surface. A retaining portion is provided between the sliding element and the first end surface. A biasing portion is provided between the retaining portion and the first end surface to bias the retaining portion toward a second side in a lamination direction. The rotating shaft, the housing, the inner ring, the outer ring, a rolling element, the sliding element, the retaining portion, and the biasing portion are formed of a conductive material. The rotating shaft and the housing are electrically connected by the sliding element, the retaining portion, and the biasing portion.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: February 26, 2019
    Assignee: TOP CO., LTD.
    Inventors: Takayuki Kai, Kenji Sasaki, Hiroaki Asakura
  • Patent number: 10186916
    Abstract: The rotary machine includes a rotor rotatably provided and a resin-molded stator. The stator includes a stator core, a coil, and a mold portion. A tooth portion in the stator core includes first and second facing portions. The first facing portion includes a first facing surface where an air gap with the rotor becomes a first distance. The second facing portion is integrated with the first facing portion in the circumferential direction centered at the rotation axis of the rotor, and includes a second facing surface where the air gap becomes a second distance wider than the first distance. The second facing portion includes a groove portion on the second facing surface. The mold portion includes a first mold portion. The first mold portion covers the second facing portion, is provided at the groove portion, and includes a third facing surface where the air gap becomes the first distance.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: January 22, 2019
    Assignee: TOP CO., LTD
    Inventors: Hiroaki Asakura, Nobuyuki Tanaka, Tadashi Uno, Shingo Yamada
  • Patent number: 10103594
    Abstract: A stator of a rotary machine is provided with a first resin molded body, a second resin molded body and third resin molded bodies which electrically insulate a stator core and coils. The first resin molded body is attached to the stator core on a first side of a lamination direction in which steel sheets are laminated and the second resin molded body is attached to the stator core on a second side of the lamination direction. The third resin molded bodies have shapes extending along slot side surfaces and are provided in a state contacting with a predetermined region of the slot side. First slot side portions of the first resin molded body overlaps end portions of a first side of the third resin molded bodies and second slot side portions of the second molded body overlaps end portions of a second side of the third resin molded bodies.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: October 16, 2018
    Assignee: Top Co., Ltd.
    Inventor: Toru Takimoto
  • Patent number: 10075040
    Abstract: A rotary machine includes a rotor and a resin-molded stator which includes a stator core, a coil, a molded portion, a lead line, a bush and a bush supporting frame. The stator core is formed by laminating steel sheets. The coil is formed by winding a conducting wire around a tooth formed to the stator core. The molded portion covers the coil. The lead line is formed by the conducting wire continuing from an end portion of a power supply side of the coil. The bush is formed with a penetrated insert hole where the lead line is passed through. The bush supporting frame is supported by the molded portion and is formed with a penetrated attaching hole into which the bush is fitted in. The lead line is drawn out to the outside of the molded portion from the attaching hole.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: September 11, 2018
    Assignee: Top Co., Ltd.
    Inventors: Yoshitaka Kakuda, Tadashi Uno
  • Publication number: 20180175570
    Abstract: A bus bar unit includes a bus bar for energizing a coil wound around a stator; and a bus bar holder formed by an insulating member and holds the bus bar. The bus bar holder includes an engaged part which is configured to be engaged with an engaging part formed at an extending part extended from the stator in axial direction of the stator.
    Type: Application
    Filed: July 22, 2015
    Publication date: June 21, 2018
    Applicants: KYB Corporation, TOP Co., Ltd.
    Inventors: Nobuji HOUZUMI, Kenji SASAKI, Yoshihiro KODERA
  • Publication number: 20180159397
    Abstract: A bus bar unit includes: a plurality of bus bars arranged to be laminated, the respective bus bars having conductivity, the respective bus bars having a hole part; an insulating member interposed between the bus bars, the insulating member having insulating property, the insulating member having a hole part; a positioning member formed by insulating resin, the positioning member having a pin protruding in direction of laminating the bus bars, the pin being inserted through the hole parts of the bus bars and the hole part of the insulating member; and a fixing part provided at a tip end of the pin, the fixing part being configured to fix the bus bars and the insulating member.
    Type: Application
    Filed: July 22, 2015
    Publication date: June 7, 2018
    Applicants: KYB Corporation, TOP Co., Ltd.
    Inventors: Nobuji HOUZUMI, Kenji SASAKI, Yoshihiro KODERA
  • Publication number: 20180123411
    Abstract: The rotor includes the rotor core unit and a single cylindrical rotor cover. The rotor core unit has the rotor core fixed to a rotation axis so as to be able to rotate integrally therewith and a plurality of permanent magnets mounted on the rotor core along a circumferential direction thereof. The single cylindrical rotor cover has the upper surface portion and the bottom portion so as to cover an outer circumference of the rotor core. The upper surface portion is in contact with an outer circumferential edge portion of on one end surface in an axial direction of the permanent magnets. The bottom portion is in contact with at least one of the permanent magnets and the rotor core so that the rotor core unit is held in the axial direction by the upper surface portion and the bottom portion.
    Type: Application
    Filed: June 29, 2016
    Publication date: May 3, 2018
    Applicants: KYB Corporation, TOP Co., Ltd.
    Inventors: Takayuki KAWAGUCHI, Junya OKABE, Yoshiteru KUROKAWA, Hiroyuki MIYOSHI, Akihiro KAWABATA
  • Publication number: 20170302142
    Abstract: A rotor manufacturing method for manufacturing a rotor including a rotor core, the rotor core having a permanent magnet mounted thereon throughout a circumferential direction, includes covering an outer circumference of the rotor core with a tubular rotor cover; and forming an angular portion conforming to an outer shape of the permanent magnet by pressing an open end of the rotor cover radially inward with use of a pressing member, the open end of the rotor cover axially projecting from an end of the rotor core before being pressed.
    Type: Application
    Filed: October 16, 2015
    Publication date: October 19, 2017
    Applicants: KYB Corporation, TOP Co., Ltd.
    Inventors: Takayuki KAWAGUCHI, Tomomi HAYASE, Ryuichi KANEKO, Yoshiteru KUROKAWA, Hiroyuki MIYOSHI, Akihiro KAWABATA
  • Publication number: 20170201135
    Abstract: A core segment formed by laminating electrical steel sheets, a coupling hole having a lamination direction as its depth is formed in a portion of a yoke piece on a third side in a circumferential direction. An insulator includes a coupling pin protruding toward a second side in the lamination direction, at a portion of a first covering portion on a fourth side. A stator core formed by coupling core segments in a ring shape where the coupling pin of the insulator mounted on the core segment that is to the third side is inserted in the coupling hole of the core segment that is to the fourth side, and where a side surface on the fourth side of the yoke piece being to the third side and a side surface on the third side of the yoke piece being to the fourth side are in contact with each other.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 13, 2017
    Applicant: TOP CO., LTD.
    Inventors: Takayuki KAI, Kenji SASAKI, Hiroaki ASAKURA
  • Publication number: 20170187262
    Abstract: A rolling bearing has an inner ring attached to a rotating shaft out of contact with a first end surface, and an outer ring is fitted onto an inner peripheral surface of a housing in contact with the first end surface. A sliding element is provided between a second end surface and the first end surface. A retaining portion is provided between the sliding element and the first end surface. A biasing portion is provided between the retaining portion and the first end surface to bias the retaining portion toward a second side in a lamination direction. The rotating shaft, the housing, the inner ring, the outer ring, a rolling element, the sliding element, the retaining portion, and the biasing portion are formed of a conductive material. The rotating shaft and the housing are electrically connected by the sliding element, the retaining portion, and the biasing portion.
    Type: Application
    Filed: August 10, 2015
    Publication date: June 29, 2017
    Applicant: TOP CO., LTD.
    Inventors: Takayuki KAI, Kenji SASAKI, Hiroaki ASAKURA
  • Publication number: 20170149299
    Abstract: A stator unit for including a plurality of coils includes a stator core configured to have the coils wound around the stator core; and a routing member including a plurality of groove configured to have wires routed in the groove, the wires extending from the coils.
    Type: Application
    Filed: June 26, 2015
    Publication date: May 25, 2017
    Applicants: KYB Corporation, TOP Co., Ltd.
    Inventors: Suguru SAKAMOTO, Yoshiteru KUROKAWA, Junya OKABE, Hiroyuki MIYOSHI, Yoshihiro KODERA
  • Publication number: 20160111933
    Abstract: A stator of a rotary machine is provided with a first resin molded body, a second resin molded body and third resin molded bodies which electrically insulate a stator core and coils. The first resin molded body is attached to the stator core on a first side of a lamination direction in which steel sheets are laminated and the second resin molded body is attached to the stator core on a second side of the lamination direction. The third resin molded bodies have shapes extending along slot side surfaces and are contacting with a predetermined region of the slot side. First slot side portions of the first resin molded body overlaps end portions of a first side of the third resin molded bodies and second slot side portions of the second molded body overlaps end portions of a second side of the third resin molded bodies.
    Type: Application
    Filed: May 16, 2014
    Publication date: April 21, 2016
    Applicant: Top Co., Ltd.
    Inventor: Toru Takimoto
  • Publication number: 20160111931
    Abstract: A rotary machine includes a rotor and a resin-molded stator which includes a stator core, a coil, a molded portion, a lead line, a bush and a bush supporting frame. The stator core is formed by laminating steel sheets. The coil is formed by winding a conducting wire around a tooth formed to the stator core. The molded portion covers the coil. The lead line is formed by the conducting wire continuing from an end portion of a power supply side of the coil. The bush is formed with a penetrated insert hole where the lead line is passed through. The bush supporting frame is supported by the molded portion and is formed with a penetrated attaching hole into which the bush is fitted in. The lead line is drawn out to the outside of the molded portion from the attaching hole.
    Type: Application
    Filed: May 16, 2014
    Publication date: April 21, 2016
    Applicant: Top Co., Ltd.
    Inventors: Yoshitaka Kakuda, Tadashi Uno
  • Publication number: 20150340914
    Abstract: The rotary machine includes a rotor rotatably provided and a resin-molded stator. The stator includes a stator core, a coil, and a mold portion. A tooth portion in the stator core includes first and second facing portions. The first facing portion includes a first facing surface where an air gap with the rotor becomes a first distance. The second facing portion is integrated with the first facing portion in the circumferential direction centered at the rotation axis of the rotor, and includes a second facing surface where the air gap becomes a second distance wider than the first distance. The second facing portion includes a groove portion on the second facing surface. The mold portion includes a first mold portion. The first mold portion covers the second facing portion, is provided at the groove portion, and includes a third facing surface where the air gap becomes the first distance.
    Type: Application
    Filed: December 13, 2013
    Publication date: November 26, 2015
    Applicant: TOP CO., LTD.
    Inventors: Hiroaki ASAKURA, Nobuyuki TANAKA, Tadashi UNO, Shingo YAMADA
  • Patent number: 9080298
    Abstract: Disclosed is a retaining wall construction system for preventing tsunamis and flood damages and a construction method thereof. The retaining wall construction system includes hexagonal multi-layered interlocking blocks built in a plurality of lines for forming a retaining wall, wherein S-shaped connection sections are formed on an outer periphery for a plurality of interlocking blocks, and hexagonal multi-layered interlocking blocks, which are adjacent to each other and different from each other, are connected to each other via the S-shaped connection sections to be movable in the vertical direction.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: July 14, 2015
    Assignees: KGC CO., LTD., ECO-TOP CO., LTD.
    Inventors: Heung Sik Yu, Seong Kyun Jin
  • Publication number: 20150167251
    Abstract: The present invention is directed to a road payment system with instant rainwater penetration and storing functions for protecting flood and a construction method thereof, which system comprises a plurality of lower blocks which each have a vertical engaging wing formed at a side of each lower block and a first through hole formed at a center region, with the neighboring lower blocks being engaged with each other in a vertical direction for preventing them from being separated in a horizontal direction; a plurality of intermediate layer blocks which are arranged spaced apart in a horizontal direction at the upper sides of the lower blocks and each have a second through hole in a vertical direction at a center region, with the neighboring intermediate layer blocks being engaged with each other; and a plurality of upper surface layer blocks which are arranged at the upper sides of the intermediate layer blocks and form an upper side of the road payment and are connected with each other or are connected with the
    Type: Application
    Filed: November 30, 2012
    Publication date: June 18, 2015
    Applicants: ECO-TOP CO., LTD
    Inventors: Heung Sik Yu, Seong Kyun Jin, Kyoung Young Choi
  • Patent number: 8613483
    Abstract: A pad structure for a chair back contains a pad, an adjusting member disposed on a back side of the pad, and a rail plate connected with the adjusting member. The pad is capable of being adjusted frontward and backward. The adjusting member includes a positioning panel to axially connect with a toothed edge of each of two toothed arms. Another end of one toothed arm is secured on a face of the rail plate by using a first connector, and another end of another toothed arm is coupled with a slideable deck by a second connector to form a multi-section engaging design. Thereby, the two toothed arms slide along the slideable plate to change a relative angle between the two toothed arms.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: December 24, 2013
    Assignee: Chern Shing Top Co., Ltd
    Inventor: Hsueh-Sheng Hsiao
  • Publication number: 20130149037
    Abstract: The present invention pertains to a retaining wall construction system for preventing tsunamis and flood damages and a construction method thereof. The retaining wall construction system for preventing tsunamis and flood damages includes hexagonal multi-layered interlocking blocks (10) built in a plurality of lines for forming a retaining wall, wherein S-shaped connection sections (11) are formed on an outer periphery for a plurality of interlocking blocks, and hexagonal multi-layered interlocking blocks (10), which are adjacent to each other and different from each other, are connected to each other via the S-shaped connection sections (11) to be movable in the vertical direction. According to the present invention above, it is possible to semi-permanently maintain a stable state at the basic lower portions of the structure as the vertically interlocked blocks lower like a shutter to block caved-in spaces when the basic portions of the structure are caved in by waves or flowing water.
    Type: Application
    Filed: September 8, 2010
    Publication date: June 13, 2013
    Applicants: ECO-TOP CO., LTD., KGC CO., LTD.
    Inventors: Heung Sik Yu, Seong Kyun Jin
  • Patent number: D763467
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: August 9, 2016
    Assignee: ECO-TOP CO., LTD.
    Inventor: Kyoung Young Choi