Patents Assigned to Furukawa Automotive Systems Inc.
  • Patent number: 11566371
    Abstract: According to embodiments of the present invention, a stranded conductor is formed in which the occurrence of defects, such as strand unevenness of filaments and outward protrusion of filaments, is inhibited. According to embodiments of the present invention, a stranded conductor (1a) includes soft filaments (2a) stranded together. The soft filaments (2a) include a soft filament made of an aluminum material, disposed along a center (101), and include six soft filaments, twelve soft filaments, and eighteen soft filaments made of an aluminum material, disposed around and concentrically with the center. The filaments are softened filaments that are softened. A lay length (Pa) is from 6.2 times to 15.7 times a conductor diameter of the stranded conductor.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: January 31, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Masahiro Yoshimaru, Hideyuki Osuga
  • Publication number: 20230015236
    Abstract: Provided is a cable take-up device for a flexible flat cable routed for a slide seat slidably supported so as to be movable forward and backward along a fixed rail fixed to the vehicle cabin floor. The cable take-up device includes: a take-up housing part that takes up a housed portion in a drawable manner and houses it inside with a front end portion fixed to a rail front end portion and a rear end portion fixed to the slide seat; a take-up force generation part that generates a take-up force in a direction of take-up of the housed portion through drawing of the cable routing body; and a slit that applies the take-up force of the take-up force generation part to the housed portion.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventor: Masahiro OKUMURA
  • Publication number: 20230015631
    Abstract: A rotary connector device includes a stator, a rotator, a first connector, and a second connector. The stator is configured to be attached to a vehicle body. The rotator is provided rotatably about a rotation axis with respect to the stator. The first connector is provided at the stator. The second connector is provided at the rotator. The first connector includes a first connector housing space in which a vehicle-body-side connector is disposed in a state where the vehicle-body-side connector is electrically connected to the first connector. When viewed from an axial direction defined along the rotation axis in a state where the stator is attached to the vehicle body, the first connector housing space is disposed not to overlap a vertical plane including the rotation axis.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 19, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Shinichi HAMASAKI, Takahisa KAKUDO, Rodrigo Kendy YAMASHITA, Yoji TAJIRI
  • Publication number: 20230016058
    Abstract: A rotary connector device includes a stator, a rotator, a first connector, and a second connector. The rotator is rotatable about a rotation axis with respect to the stator. The first connector is provided at the rotator. The second connector is provided at the stator. The first connector includes a first lead block which is attached to the rotator and a second lead block which is a member separated from the first lead block and is attached to the rotator. When viewed from an axial direction along the rotation axis, the first lead block is disposed so as to overlap at least partially the second lead block.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 19, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Rodrigo Kendy YAMASHITA, Shinichi HAMASAKI, Takahisa KAKUDO, Yoji TAJIRI
  • Publication number: 20230020597
    Abstract: Methods and apparatuses for accurately estimating an internal temperature of a secondary battery with a charging rate SOC and a charge/discharge state taken into account are provided. A method may include a method of estimating an internal temperature (T) of a secondary battery for a vehicle, which includes a change determination process to be repeatedly performed and an internal temperature estimation process to be repeatedly performed.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 19, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshitaka WATANABE, Shinji YOKOYAMA
  • Publication number: 20230012432
    Abstract: A lead block includes a lead block body and a plurality of busbars. The plurality of busbars is each partially embedded in the lead block body. The plurality of busbars includes a plurality of exposed portions. The plurality of exposed portions each extends in a longitudinal direction and disposed spaced apart from one another in an arrangement direction orthogonal to the longitudinal direction. The plurality of exposed portions includes at least one first exposed portion. The at least one first exposed portion includes a first surface and a first additional surface disposed on a reverse side of the first surface in the arrangement direction. The first surface includes a first cut surface having an area smaller than an area of the first surface. The first additional surface includes a first additional cut surface having an area smaller than an area of the first additional surface.
    Type: Application
    Filed: September 26, 2022
    Publication date: January 12, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Takahisa KAKUDO, Shinichi HAMASAKI, Rodrigo Kendy YAMASHITA, Yoji TAJIRI
  • Patent number: 11552437
    Abstract: A rotary connector device includes a rotation body and a fixed body that engage with each other in a relatively rotatable manner, in an interior thereof, a housing space having a cylindrical shape, and a flat cable housed in the housing space in a wound manner, wherein the rotation body includes: a rotating-side ring plate having an annular shape and an inner-circumferential cylindrical portion having a cylindrical shape; the fixed body includes: a stationary-side ring plate having an annular shape and an outer-circumferential cylindrical portion; the flat cable has a first end coupled to a stationary-side connector; the fixed body includes an insertion portion from the housing space toward an outer side of the fixed body along a rotation axis direction of the rotation body that relatively rotates; and the stationary-side connector is disposed on a main surface of the stationary-side ring plate on an outer side thereof.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 10, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventor: Yuya Hasegawa
  • Publication number: 20230006430
    Abstract: Provided are a joining structure, a joining method, an exterior body for a wire harness, and a wire harness capable of firmly joining members having different physical properties while reducing the thickness of a joint part. The joining structure 10 joins a first member 1 made of a first resin and a second member 2 made of a second resin, wherein: the second resin has physical properties having a higher foaming ratio than the first resin; and a recessed joint part 3 is provided which reaches at least the inside of the first member 1 from the outer surface side of the second member in a state in which the first member 1 and the second member 2 are superimposed.
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Hiroshi SUYAMA, Takashi OSHINO, Naoyuki KOJIMA
  • Patent number: 11539263
    Abstract: A rotary connector device body in which a rotator and a stator are assembled so as to be relatively rotatable has a housing space that can house an FFC inside. The rotary connector device body has a viewing window that is a through hole through which the housing space is viewed from outside of the rotary connector device body, a cover member disposed at the viewing window so as to cover the viewing window, an outer regulating portion facing outside of the rotary connector device body and disposed so as to be able to contact an outer surface of the cover member, and an inner regulating portion facing the housing space and disposed so as to be able to contact an inner surface of the cover member. The cover member is disposed between an outer regulating portion and an inner regulating portion.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: December 27, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Kento Oiwa, Hirofumi Utsunomiya, Masatoshi Ushiyama, Masashi Kanazawa, Kosuke Sato
  • Publication number: 20220402425
    Abstract: A cancel cam includes an annular member, a cam wall, and at least one reinforcing rib. The annular member is rotatable integrally with a steering shaft about a rotation axis and includes an outer peripheral portion, an inner peripheral portion, and a first surface. The cam wall extends from the outer peripheral portion in an axial direction and extends along the outer peripheral portion in a circumferential direction. The at least one reinforcing rib extends from the cam wall toward the inner peripheral portion and couples the cam wall to the annular member. The cam wall has a first axial length defined from the first surface in the axial direction. The inner peripheral portion has a second axial length defined from the first surface in the axial direction. The second axial length is shorter than the first axial length.
    Type: Application
    Filed: August 25, 2022
    Publication date: December 22, 2022
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventor: Yoji TAJIRI
  • Patent number: 11499067
    Abstract: A resin composition, containing an ethylene-vinyl acetate copolymer (A); and 15 to 30 mass parts of a bromine-based flame retardant (B), 5 to 15 mass parts of antimony trioxide (C), 6 to 12 mass parts of a benzimidazole-based aging retardant (D), 2 to 4 mass parts of a phenol-based aging retardant (E), 2 to 4 mass parts of a thioether-based aging retardant (F), 0.5 to 2 mass parts of a copper inhibitor (G), and 3 to 6 mass parts of a crosslinking aid (H), with respect to 90 to 100 mass parts of the ethylene-vinyl acetate copolymer (A); a vehicle wire harness; and, a method of producing a vehicle wire harness.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: November 15, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Kenji Takahashi, Yuka Sawada, Takashi Oshino, Yutaka Suzuki, Yasuharu Uchiyama, Hideyuki Osuga
  • Patent number: 11502489
    Abstract: An outer cover body for electrical wires, which is formed by bending a resin sheet and to be attached to an outer periphery of an electrical wire, includes a plurality of wall parts extending along an extending direction of the electrical wire and forming an accommodating part for accommodating the electrical wire. At least one of the plurality of wall parts includes a wall surface overlapping part having an outer side wall surface having a first notch, and an inner side wall surface overlapping the outer side wall surface and having a second notch. A branch line through-hole is formed by overlapping the first notch and the second notch.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: November 15, 2022
    Assignees: Furukawa Electric Co., Ltd., Furukawa Automotive Systems Inc.
    Inventors: Takashi Oshino, Koichi Maeno, Naoyuki Kojima, Hideyuki Ikeda, Yoshikazu Kamei
  • Patent number: 11456580
    Abstract: A wire exterior body and an exterior-covered wire harness, capable of preventing damage to thereby suppress deterioration in the protective function for electric wires, are provided. A wire exterior body (3) formed of a resin sheet, to be mounted on the outer periphery of the wire harness (2), includes bending portions (20a) to (20d) at which the resin sheet is bent, and a plurality of wall parts (4) formed of the resin sheet bent at the bending portions (20a) to (20d). The wall parts (4) extend along the extending direction of the electric wires and form an accommodating part (5) that accommodates the electric wires. Grooves (21a) to (21d) are formed in the bending portions (20a) to (20d) at positions separated by predetermined spaces (S1) and (S2) from end portions (4a) and (4b), in the extending direction of the electric wires, of the wall parts (4).
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: September 27, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Takashi Oshino, Koichi Maeno, Naoyuki Kojima, Hideyuki Ikeda, Yoshikazu Kamei
  • Patent number: 11444422
    Abstract: A rotary connector device includes a fixed body and a rotation body. The fixed body includes an internal space. The rotation body is rotatably assembled to the fixed body about a rotational axis with respect to the fixed body. The fixed body includes an inserted portion into which a fixing tool is to be inserted to restrict the fixed body and the rotation body from rotating relative to each other. The inserted portion includes an inner space isolated from the internal space of the fixed body.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: September 13, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Satoshi Kitao, Shingo Nambu, Kenji Yoshimura
  • Patent number: 11433786
    Abstract: A cable winding device is provided, which is for a flexible flat cable routed to a sliding seat slidably supported allowing for forward and backward movement in a longitudinal direction of a fixed rail; a first side end portion of the cable being fixed to an end of the fixed rail corresponding to a first rail end portion; the device including a winding housing portion inside which a second side end portion of the cable is fixed; the winding portion being fixed to a movable body supporting the seat and configured to slide in a forward and backward direction relative to the fixed rail; in a case where the winding portion moves in a forward (or backward) movement direction toward (or away from) the first rail end portion, the cable is wound in the winding portion (or is fed out along the fixed rail from the winding portion).
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: September 6, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Masahiro Okumura, Naoshi Saoya
  • Patent number: 11431139
    Abstract: A rotary connector device includes a fixed body, a rotation body, a connector, and an electrode. The connector is coupled to the fixed body and includes a second space and a cable cutting member in the second space which is in communication with the first space. The electrode is provided in the second space of the connector. An exposed conductor portion provided at one end of a cable is connected to the electrode. The cable extends from the second space to the first space. The other end of the cable is connected to the rotation body. The cable cutting member is configured to cut the cable before the exposed conductor portion connected to the electrode of the connector is disconnected when the cable is pulled due to rotation of the rotation body.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: August 30, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
  • Patent number: 11394162
    Abstract: A rotary connector device includes a fixed body, a rotation body, and a connector. The rotation body is rotatable about a rotation axis with respect to the fixed body. The rotation body is assembled to the fixed body in a manner to form a first space between the rotation body and the fixed body. The connector includes a second space. The connector includes a first opening and a second opening. One end of a first cable is connected to a first electrode provided in the second space. One end of a second cable is connected to a second electrode provided in the second space. The first cable passes through the first opening. The other end of the first cable is connected to the rotation body. The second cable passes through the second opening. The other end of the second cable is connected to the rotation body.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: July 19, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
  • Patent number: 11394161
    Abstract: A rotary connector device includes a fixed body, a rotation body, a connector, and an electrode. The connector is coupled to the fixed body and includes a second space and a cable cutting member in the second space which is in communication with the first space. The electrode is provided in the second space of the connector. An exposed conductor portion provided at one end of a cable is connected to the electrode. The cable extends from the second space to the first space. The other end of the cable is connected to the rotation body. The cable cutting member is configured to cut the cable before the exposed conductor portion connected to the electrode of the connector is disconnected when the cable is pulled due to rotation of the rotation body.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: July 19, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
  • Patent number: 11387581
    Abstract: The present disclosure relates to an electric wire connection structure including one or more copper-based conductor covered electric wires having a copper-based conductor covered part and exposed part; and one or more aluminum-based conductor covered electric wires having an aluminum-based conductor covered part and exposed part. An ultrasonic joint part is provided at a conductor stacked part in which the copper-based conductor exposed part and the aluminum-based conductor exposed part are superposed. A total contacting length L which is a summed length of a part at which the copper-based conductor exposed part and the aluminum-based conductor exposed part contact and a summed length x of a contour line of a space S formed at a part at which the copper-based conductor exposed part and the aluminum-based conductor exposed part are separate in a joint interface of the ultrasonic joint part satisfy a relational expression of (x/L)×100?10% based on cross-section observation.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 12, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Sho Yoshida, Akira Tachibana, Kengo Mitose
  • Patent number: 11378684
    Abstract: Provided is a radar device including: a transmission circuit that transmits a first transmission signal and a second transmission signal which have frequencies different from each other; a reception circuit that receives the first transmission signal and the second transmission signal which are reflected by one or a plurality of objects as a first reception signal and a second reception signal, a processor, and a memory that stores a command group executable by the processor.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: July 5, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Hajime Namiki, Hiroyuki Kobayashi, Eisuke Otani