Patents by Inventor Daisuke Akuta

Daisuke Akuta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9403306
    Abstract: An insulating plate (20) made of synthetic resin for transferring heat transferred from conductors to nuts (10) to a heat sink (40) is provided with nut accommodating recesses (21) for accommodating the nuts (10). Each nut accommodating recess (21) includes a bottom plate (22) to be sandwiched between the nuts (10) and the heat sink (40) and a surrounding wall (23) vertically extending from the bottom plate (22) to surround the side surface of the nut (10). The surrounding walls (23) are provided with first and second pressing surfaces (28, 29) to be pressed by ejector pins (83).
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: August 2, 2016
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventor: Daisuke Akuta
  • Patent number: 9203225
    Abstract: A wire fixing member (10) to be fixed to an unillustrated case housing a device by fixing a shield shell (40) to the case includes a housing (20) to be held in the shield shell (40), wires (W) pulled out through the housing (20), a housing projection (28) located at a part of the housing (20) where the wires W are pulled out and formed to project along the wires (W), and an adhesive tape (T) for integrally fixing the wires (W) and the housing projection (28) by covering both the wires (W) and the housing projection (28) and adhering to the wires (W) and the housing projection (28).
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: December 1, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Patent number: 9172158
    Abstract: A terminal block (10) is for connecting terminals (T) connected to enameled wires extending from a motor and busbars (B) extending from an inverter and includes a plurality of nuts (20) arranged in a width direction and configured to fasten the terminals (T) and the busbars (B) together with bolts (BT), guides (54) are provided between adjacent nuts (20) and configured to guide bolt fastening portions (T1) of the terminals (T) to the upper surfaces of the nuts by coming into contact with lateral edge parts of the terminals (T), and posture correcting portions (55) provided at positions where the terminals (T) are pulled out backward from the nuts and configured to correct postures of barrel portions (T2) of the terminals (T) in the width direction by contacting the barrels (T2) in the width direction.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: October 27, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Patent number: 9153893
    Abstract: A terminal block (10) connects terminals (T) at ends of wires extending from a motor and busbars (B) extending from an inverter and includes nuts (20) on which the terminals (T) and the busbars (B) are placed and which fasten the terminals (T) and the busbars (B) together with bolts (BT). A bracket (40) is arranged below the nuts (20), and a resin portion (50) integrally fixes the nuts (20) and the bracket (40). The bracket (40) includes a mounting portion (42) exposed from the resin portion (50) and is fixed to a metal motor case. An embedded portion (41) is embedded in the resin portion (50). The resin portion (50) includes first locks (57) for locking screw grooves (47A) of screw holes (47) on the mounting portion (42) from below, and a second lock (58) for locking an engaging portion 49 on the embedded portion (41) from below.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: October 6, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Hiroki Yamada, Daisuke Akuta
  • Patent number: 9147978
    Abstract: A shield connector (10) includes a connector housing (20) with resiliently deformably provided resilient locking pieces (25), a collective shield shell (50) formed with collective side engaging portions (56) engageable with the resilient locking pieces (25), and an individual core shield shell (30) formed with individual-core side engaging portions (38) engageable with the resilient locking pieces (25). Either one of the collective and individual core shield shells (50, 30) is selectively fixed to the connector housing (20) by engaging the resilient locking pieces (25) and the collective side engaging portions (56) when the collective shield shell (50) is mounted onto the connector housing (20) or engaging the resilient locking pieces (25) and the individual-core side engaging portions (38) when the individual core shield shell (3) is mounted onto the connector housing (20).
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: September 29, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Patent number: 9105990
    Abstract: A terminal block (10) to be fixed to a motor case (C) which houses a motor body and includes a coolant flow path (C1) and adapted to fasten busbars by tightening bolts includes nuts (30) for tightening the bolts, and a heat sink (40) made of aluminum die-cast and held in close contact with the nuts (30) via an insulation plate (20) behind the nuts (30). The heat sink (40) includes a heat radiating portion (46) which comes into contact with cooling water passing in the coolant flow path (C1) of the motor case (C).
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: August 11, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Publication number: 20140235092
    Abstract: A shield connector (10) includes a connector housing (20) with resiliently deformably provided resilient locking pieces (25), a collective shield shell (50) formed with collective side engaging portions (56) engageable with the resilient locking pieces (25), and an individual core shield shell (30) formed with individual-core side engaging portions (38) engageable with the resilient locking pieces (25). Either one of the collective and individual core shield shells (50, 30) is selectively fixed to the connector housing (20) by engaging the resilient locking pieces (25) and the collective side engaging portions (56) when the collective shield shell (50) is mounted onto the connector housing (20) or engaging the resilient locking pieces (25) and the individual-core side engaging portions (38) when the individual core shield shell (3) is mounted onto the connector housing (20).
    Type: Application
    Filed: March 1, 2012
    Publication date: August 21, 2014
    Applicant: Sumitomo Wiring Systems, Inc.
    Inventor: Daisuke Akuta
  • Patent number: 8742636
    Abstract: A rotary electric machine terminal block fits into an opening of a case that contains a rotary electric machine, and is fixed to the case by a plate. The rotary electric machine terminal block has: a mount that is formed by fixing the electric power line connector and the signal line connector to the steel-made plate and performing insert molding so that an anti-vibration plate is formed on an upper surface of the plate; projected portions of the plate which each have a fixture hole for fixing the plate to the case; an edge seal member that covers an edge of the projected portion; a face seal member for tight attachment of the mount to the case; and two positioning pins.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: June 3, 2014
    Assignees: Toyota Jidosha Kabushiki Kaisha, Sumitomo Wiring Systems, Ltd.
    Inventors: Katsuhide Kitagawa, Katsunori Ueki, Daisuke Akuta, Hiroyuki Matsuoka
  • Publication number: 20140134891
    Abstract: A terminal block (10) connects terminals (T) at ends of wires extending from a motor and busbars (B) extending from an inverter and includes nuts (20) on which the terminals (T) and the busbars (B) are placed and which fasten the terminals (T) and the busbars (B) together with bolts (BT). A bracket (40) is arranged below the nuts (20), and a resin portion (50) integrally fixes the nuts (20) and the bracket (40). The bracket (40) includes a mounting portion (42) exposed from the resin portion (50) and is fixed to a metal motor case. An embedded portion (41) is embedded in the resin portion (50). The resin portion (50) includes first locks (57) for locking screw grooves (47A) of screw holes (47) on the mounting portion (42) from below, and a second lock (58) for locking an engaging portion 49 on the embedded portion (41) from below.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 15, 2014
    Applicant: Sumitomo Wiring Systems, Ltd.
    Inventors: Hiroki Yamada, Daisuke Akuta
  • Publication number: 20140134897
    Abstract: A terminal block (10) is for connecting terminals (T) connected to enameled wires extending from a motor and busbars (B) extending from an inverter and includes a plurality of nuts (20) arranged in a width direction and configured to fasten the terminals (T) and the busbars (B) together with bolts (BT), guides (54) are provided between adjacent nuts (20) and configured to guide bolt fastening portions (T1) of the terminals (T) to the upper surfaces of the nuts by coming into contact with lateral edge parts of the terminals (T), and posture correcting portions (55) provided at positions where the terminals (T) are pulled out backward from the nuts and configured to correct postures of barrel portions (T2) of the terminals (T) in the width direction by contacting the barrels (T2) in the width direction.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 15, 2014
    Applicant: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Patent number: 8702361
    Abstract: An insulating plate (20) made of synthetic resin for transferring heat transferred from conductors to nuts (10) to a heat sink (40) is provided with nut accommodating recesses (21) for accommodating the nuts (10). Each nut accommodating recess (21) includes a bottom plate (22) to be sandwiched between the nuts (10) and the heat sink (40) and a surrounding wall (23) vertically extending from the bottom plate (22) to surround the side surface of the nut (10). The surrounding walls (23) are provided with first and second pressing surfaces (28, 29) to be pressed by ejector pins (83).
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: April 22, 2014
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Patent number: 8622772
    Abstract: A terminal block (10) fastens conductors by placing the conductors one above another and fastening bolts and includes a plurality of nuts (30) on which the conductors are to be placed and partition walls (50) partitioning between adjacent nuts (30). Each partition wall (50) includes an insulation wall (24) provided in an insulation plate (20) arranged below the nuts (30) and a molded resin portion (60) covering the upper surface of the insulation wall (24) and the side surface of the insulation wall (24). Exposed portions (27A), which are exposed upper end parts of a projecting portion (27) provided on the insulation wall (24), are provided on the upper end surface of the molded resin portion (60).
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: January 7, 2014
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Publication number: 20130292876
    Abstract: An insulating plate (20) made of synthetic resin for transferring heat transferred from conductors to nuts (10) to a heat sink (40) is provided with nut accommodating recesses (21) for accommodating the nuts (10). Each nut accommodating recess (21) includes a bottom plate (22) to be sandwiched between the nuts (10) and the heat sink (40) and a surrounding wall (23) vertically extending from the bottom plate (22) to surround the side surface of the nut (10). The surrounding walls (23) are provided with first and second pressing surfaces (28, 29) to be pressed by ejector pins (83).
    Type: Application
    Filed: July 8, 2013
    Publication date: November 7, 2013
    Inventor: Daisuke Akuta
  • Patent number: 8523604
    Abstract: A terminal block has conductors extending from devices placed one over another placed on nuts (10) and fastened by a bolt. A heat sink (40) is arranged below the nuts and an insulating plate (20) is sandwiched in close contact with the nuts (10) and the heat sink (40). A molded resin part (60) covers these three members (10, 20 and 40). The insulating plate (20) includes nut accommodating portions (21) capable of accommodating the nuts (10) and bolt escaping recesses (26) projecting downward from a bottom plate (22) of the insulating plate (20). The heat sink (40) includes accommodation recesses (43) into which the bolt escaping recesses (26) fit. The molded resin part (60) is molded with the nuts (10) accommodated in the nut accommodating portions (21) and the accommodation recesses (43) and the bolt escaping recesses (26) fit to each other.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: September 3, 2013
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Patent number: 8460039
    Abstract: A terminal block has nuts (10), each with a step (12) slightly recessed and formed at an outer peripheral part of an upper fastening surface (10A) on which conductors are to be placed. A heat sink (40) is arranged below the nuts (10) and an insulating plate (20) is sandwiched between the nuts (10) and the heat sink (40). Resin (60) is molded around these three kinds of members (10, 20, 40). The steps (12) are pressed by resin cut-off parts (73) provided in a first mold (71) for the resin (60). Restricted surfaces (12A) at outer peripheral sides of press surfaces (12B) to be pressed by the resin cut-off parts (73) on the steps (12) are covered by the molded resin (60).
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: June 11, 2013
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Publication number: 20120225593
    Abstract: A terminal block (10) fastens conductors by placing the conductors one above another and fastening bolts and includes a plurality of nuts (30) on which the conductors are to be placed and partition walls (50) partitioning between adjacent nuts (30). Each partition wall (50) includes an insulation wall (24) provided in an insulation plate (20) arranged below the nuts (30) and a molded resin portion (60) covering the upper surface of the insulation wall (24) and the side surface of the insulation wall (24). Exposed portions (27A), which are exposed upper end parts of a projecting portion (27) provided on the insulation wall (24), are provided on the upper end surface of the molded resin portion (60).
    Type: Application
    Filed: February 24, 2012
    Publication date: September 6, 2012
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventor: Daisuke Akuta
  • Publication number: 20120223601
    Abstract: A terminal block (10) to be fixed to a motor case (C) which houses a motor body and includes a coolant flow path (C1) and adapted to fasten busbars by tightening bolts includes nuts (30) for tightening the bolts, and a heat sink (40) made of aluminum die-cast and held in close contact with the nuts (30) via an insulation plate (20) behind the nuts (30). The heat sink (40) includes a heat radiating portion (46) which comes into contact with cooling water passing in the coolant flow path (C1) of the motor case (C).
    Type: Application
    Filed: February 24, 2012
    Publication date: September 6, 2012
    Applicant: Sumitomo Wiring Systems, Ltd.
    Inventor: Daisuke Akuta
  • Publication number: 20120190232
    Abstract: An insulating plate (20) made of synthetic resin for transferring heat transferred from conductors to nuts (10) to a heat sink (40) is provided with nut accommodating recesses (21) for accommodating the nuts (10). Each nut accommodating recess (21) includes a bottom plate (22) to be sandwiched between the nuts (10) and the heat sink (40) and a surrounding wall (23) vertically extending from the bottom plate (22) to surround the side surface of the nut (10). The surrounding walls (23) are provided with first and second pressing surfaces (28, 29) to be pressed by ejector pins (83).
    Type: Application
    Filed: November 10, 2011
    Publication date: July 26, 2012
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventor: Daisuke Akuta
  • Publication number: 20120186872
    Abstract: A terminal block has conductors extending from devices placed one over another placed on nuts (10) and fastened by a bolt. A heat sink (40) is arranged below the nuts and an insulating plate (20) is sandwiched in close contact with the nuts (10) and the heat sink (40). A molded resin part (60) covers these three members (10, 20 and 40). The insulating plate (20) includes nut accommodating portions (21) capable of accommodating the nuts (10) and bolt escaping recesses (26) projecting downward from a bottom plate (22) of the insulating plate (20). The heat sink (40) includes accommodation recesses (43) into which the bolt escaping recesses (26) fit. The molded resin part (60) is molded with the nuts (10) accommodated in the nut accommodating portions (21) and the accommodation recesses (43) and the bolt escaping recesses (26) fit to each other.
    Type: Application
    Filed: November 10, 2011
    Publication date: July 26, 2012
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventor: Daisuke Akuta
  • Publication number: 20120190251
    Abstract: A terminal block has nuts (10), each with a step (12) slightly recessed and formed at an outer peripheral part of an upper fastening surface (10A) on which conductors are to be placed. A heat sink (40) is arranged below the nuts (10) and an insulating plate (20) is sandwiched between the nuts (10) and the heat sink (40). Resin (60) is molded around these three kinds of members (10, 20, 40). The steps (12) are pressed by resin cut-off parts (73) provided in a first mold (71) for the resin (60). Restricted surfaces (12A) at outer peripheral sides of press surfaces (12B) to be pressed by the resin cut-off parts (73) on the steps (12) are covered by the molded resin (60).
    Type: Application
    Filed: November 10, 2011
    Publication date: July 26, 2012
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventor: Daisuke Akuta