Patents Assigned to Furukawa Automotive Systems Inc.
  • Patent number: 11909149
    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 connector includes a cover, a conductor, and a holding member. The cover includes a first wall and a space therein. The first wall extends from the rotation body in an axial direction substantially parallel to the rotation axis. The holding member is attached to the cover in the space and holds the conductor. The holding member includes, in the first wall, an exposed portion exposed to an outside of the space. The cover and the holding member include a restriction structure to restrict foreign matter from entering the space through the exposed portion. The restriction structure includes a first protrusion that protrudes in a direction substantially orthogonal to the first wall and a first recess in which the first protrusion is fitted.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: February 20, 2024
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Satoshi Kitao, Shingo Nambu, Kenji Yoshimura
  • Patent number: 11901683
    Abstract: A rotary connector device includes a stator and a rotation body. The stator includes a first stator main body and a second stator main body. The rotation body is provided rotatably about a rotational axis with respect to the stator. The stator and the rotation body define a cable housing space between the stator and the rotation body. The second stator main body includes a first wall and a second wall. The first wall extends along an axial direction parallel to the rotational axis. The second wall extends along the axial direction and is spaced apart from the first wall in a radial direction perpendicular to the rotational axis. The first wall is disposed between the cable housing space and the second wall in the radial direction. The first stator main body includes an intermediate wall extending along the axial direction and disposed between the first wall and the second wall in the radial direction.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: February 13, 2024
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventor: Yuya Hasegawa
  • Publication number: 20240014640
    Abstract: (Problem) To provide an electric cable connection method for joining terminal conductors in an assembled state and a joined electric cable. (Solution to the Problem) An electric cable connection method is a method for connecting exposed terminal conductors 21a of a plurality of covered electric cables 20 so as to be conductive. The electric cable connection method includes an assembly step s2 of assembling the covered electric cables 20; a fixing step s3 of fixing the terminal conductors 21a of the assembly of the plurality of electric cables 20 with a resin cover 50; and a joining step s4 of setting the plurality of covered electric cables having the plurality of terminal conductors 21a fixed with the resin cover 50 in an electric cable connection device 40, and joining the plurality of exposed terminal conductors 21a.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 11, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Toshihiro NAKAMURA, Kazuhiro HIGUCHI, Yukihiro TORIMOTO, Tomohiro NAKAYAMA, Hiroshi TAKANO, Ryo NAKAGAWA
  • Publication number: 20240014583
    Abstract: A battery post terminal assembly includes a battery post terminal including a grasping portion capable of grasping a battery post on an inner side, and a fastening portion placed in a form of a pair to extend from end portions of the grasping portion, a holder placed on one side of the fastening portion, and a base member placed on an opposite side to the holder with the fastening portion between the holder and the base member. The base member has a base seat portion, a screw shaft that is provided on one surface of the base seat portion to be coupled to the holder, and a projection portion that is provided on a surface having the screw shaft of the base seat portion, and to project to an inner side of the fastening portion when coupled to the holder.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Norihito MOTOSUGI, Hiroyuki TOKAI, Daisuke TAKAHASHI
  • Patent number: 11869683
    Abstract: An electric wire outer cover is provided which is to be fitted around an electric wire and which has a tubular housing portion where the electric wire is to be housed, the housing portion being formed of a sheet, the housing portion being formed in a folded state. Further, walls forming the housing portion include a first wall having a projection formed therefrom and a second wall having a hole formed therein, and the housing portion is formed by engagement between the first wall and the second wall through melting of the projection that has passed through the hole and welding of the melted projection to the second wall.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: January 9, 2024
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Takashi Oshino, Yoshikazu Kamei, Hiroshi Suyama, Naoyuki Kojima
  • Publication number: 20240006801
    Abstract: Provided is a joint connector formed by stacking connector cases each accommodating a connection terminal. The connector cases each include a main plate part that holds the connection terminal, and a pair of side plate parts perpendicular to the main plate part and parallel to each other. Inner-side surfaces of distal end portions of the respective side plate parts are provided with engaging claws protruding in a direction toward the opposing side plate parts, respectively, and outer-side surfaces of proximal end portions of the respective side plate parts are provided with engaging grooves recessed in a direction toward the opposing side plate parts, respectively. The connector cases are stacked with the engaging claws of one connector case and the engaging grooves of another connector case engaged with each other, respectively.
    Type: Application
    Filed: September 19, 2023
    Publication date: January 4, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventor: Masahiro OKUMURA
  • Patent number: 11862915
    Abstract: [Object] The present invention provides a joined conductor and a method for manufacturing a joined conductor that can improve electrical conductivity between conductors.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: January 2, 2024
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Toshihiro Nakamura, Tomohiro Nakayama
  • Patent number: 11843210
    Abstract: A rotary connector device includes a stator, a rotor and an electrical connector; the rotor including a rotor main body and a connector housing. The connector housing includes a first connector holder and a second connector holder. The second connector holder includes a second holder main body, a first wall, and a second wall. The first wall extends from the second holder main body along an axial direction parallel to the rotation axis. The second wall extends from the second holder main body along the axial direction and is coupled to the first wall.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: December 12, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yuya Hasegawa, Syuji Hirai, Hirofumi Utsunomiya
  • Patent number: 11843209
    Abstract: A rotary connector device includes a stator and a rotation body. The stator includes a first stator main body and a second stator main body. The rotation body is provided rotatably about a rotational axis with respect to the stator. The stator and the rotation body define a cable housing space between the stator and the rotation body. The second stator main body includes a first wall and a second wall. The first wall extends along an axial direction parallel to the rotational axis. The second wall extends along the axial direction and is spaced apart from the first wall in a radial direction perpendicular to the rotational axis. The first wall is disposed between the cable housing space and the second wall in the radial direction. The first stator main body includes an intermediate wall extending along the axial direction and disposed between the first wall and the second wall in the radial direction.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: December 12, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventor: Yuya Hasegawa
  • Patent number: 11837855
    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: December 5, 2023
    Assignees: Furukawa Electric Co., Ltd., Furukawa Automotive Systems Inc.
    Inventors: Takashi Oshino, Koichi Maeno, Naoyuki Kojima, Hideyuki Ikeda, Yoshikazu Kamei
  • Patent number: 11823812
    Abstract: A wire end of a wire harness is protected. The wire harness includes a wire bundle and a connector connected therewith. The wire bundle includes the wire end, and the wire end includes a bent portion and faces the connector. First, a sheet member is folded perpendicularly to a wire lead-out surface of the connector, thereby forming, concurrently, counter sides facing the wire lead-out surface, side surface covering portions, and a tip end protection portion. Next, the side surface covering portions are folded along a top protection portion formation portion, thereby forming, concurrently, side surface protection portions, a top protection portion and an extending portion. Next, a wire end protection portion is secured, with a pressure-sensitive adhesive tape or the like, to a wire bundle portion while the relative position of the counter sides with respect to the wire lead-out surface is maintained.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: November 21, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC., TOYOTA BOSHOKU KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yumiko Kasugai, Takuya Fujimura, Tomoya Takeuchi
  • Patent number: 11799182
    Abstract: The high-frequency transmission line is configured by stacking conductor layers and an insulating layer, and is provided with: a signal via, which extends in a stacking direction and electrically connects the conductor layers together; an input line, which is arranged in one of the conductor layers and inputs an electrical signal to the signal via; a signal line, which is arranged in another one of the conductor layers and is connected to the input line through the signal via; a ground plane, which is arranged in any one of the conductor layers; a conductor arm arranged within a separation region that separates the signal via and the ground plane; and a conductor connection arranged within the separation region and connecting the conductor arm and the ground plane. The conductor arm and the conductor connection are configured to suppress an electrical signal of a predetermined frequency within an electrical signal.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: October 24, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Noritaka Murofushi, Hikaru Nakajima
  • Patent number: 11796600
    Abstract: A chargeable battery abnormality detection apparatus configured to detect an abnormality of a chargeable battery includes a processor; and a memory storing instructions executable by the processor, wherein the processor performs the following when executing instructions: calculating a value of an internal resistance of the chargeable battery; determining whether the chargeable battery is being charged or being discharged; determining that an abnormality has occurred in the chargeable battery if either one of the following occurs: the calculated value of the internal resistance decreases while the chargeable battery is being discharged; and the calculated value of the internal resistance increases while the chargeable battery is being charged; and outputting a determination result of the abnormality.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: October 24, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Akira Oono, Kimiko Fujisawa
  • Patent number: 11776713
    Abstract: A wire harness manufacturing system including a plurality of processing zones and configured to manufacture a wire harness by using a subassembly including a plurality of electrical lines to each of which a connection component is attached includes a conveyance device provided along the plurality of processing zones and including: work boards in a number at least corresponding to the number of the plurality of processing zones; a circulation conveyer configured to sequentially convey each work board in a horizontal state from an upstream side to a downstream side on a downstream conveyance path along the plurality of processing zones and then return the work board from the downstream side to the upstream side on an upstream conveyance path; and a raiser configured to set the work board to a stand-up state in which one of edge parts extending in a conveyance direction of the work board is positioned on an upper side of the other edge part in the work board, and to set the work board in the stand-up state to th
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 3, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Eiji Aramaki, Koji Kato, Mitsuyuki Akai, Takayuki Okubo, Nobuyuki Minami
  • Publication number: 20230307859
    Abstract: Provided is a female terminal. The female terminal includes a spring member and a terminal main body. The spring member is electrically connected to a male terminal to be connected. The terminal main body includes a base portion which has electrical conductivity and is electrically connected to the spring member. The base portion has a pair of side walls spaced apart by an insertion space that is inserted with a part of the male terminal. The spring member is arranged between the pair of side walls in the base portion, and the spring member is fixed to the side wall with a conductive welded portion with which the spring member is conductively welded to the side wall.
    Type: Application
    Filed: June 2, 2023
    Publication date: September 28, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Tomoaki TANIGAWA, Takeshi WATANABE, Yukihiro KAWAMURA, Junya TAKESHITA, Takahiro IMAMURA
  • Publication number: 20230307880
    Abstract: Provided is a rotating connector device with which it is possible to suppress an increase in the size of the device, and to reliably suppress a decrease in electromagnetic compatibility due to electromagnetic noise and to stabilize characteristic impedance. A rotating connector device 1 is provided with a fixed-side housing 10, a rotating-side housing 20 which is free to rotate relative to the fixed-side housing 10, and a plurality of flat cables 30 which are formed by covering conductors with an insulating material and which are accommodated in a stacked state in an annular accommodating space S formed between the fixed-side housing 10 and the rotating-side housing 20, wherein a shield film 35 is disposed at least between a first flat cable 31 including first and second communication circuit conductors 31a5, 31a6 and a second flat cable 32 adjacent to the first flat cable 31, among the plurality of flat cables 30.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 28, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yuto NAKAMURA, Kaoru SUGIMOTO, Naoyuki KOJIMA, Yoshiyuki SUZUKI, Masaya ARAKI, Yuka SAWADA
  • Publication number: 20230299569
    Abstract: Provided are: a joining structure making it possible to join resin plates together without needing to provide a surplus resin plate section for joining, and offering excellent workability in the joining together of resin plates; a method of producing same; and a wire exterior cover using the joining structure. A joining structure 1 comprises a joining part 10 formed by butt-welding a plate surface part 22 of a first resin plate 21 made of a first resin, and an end surface part 24 of a second resin plate 23 made of a second resin. In the joining structure, a foam resin is used for the first resin and a foam resin or a non-foam resin is used for the second resin. The joining part 10 has a welding recess 25 in a surface 22a of the plate surface part 22. In an internal corner 10a of a reverse surface 22b, there is a padding section 27 formed by melt-flowing and solidifying of at least the first resin out of the first resin and the second resin.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Hiroshi SUYAMA, Takashi OSHINO, Naoyuki KOJIMA
  • Patent number: 11764497
    Abstract: Provided is an electrical connection cassette with which it is possible to freely expand a device and add functions in accordance with the size of free space. An electrical connection cassette is provided with: a circuit board; and first connection terminals and second connection terminals mounted on the circuit board and having terminal shapes that can be engaged with each other. In a state with a terminal connection direction oriented in a predetermined direction with respect to the circuit board, the first connection terminals are disposed on the side of one main surface of the circuit board, and in a state with a terminal connection direction oriented in a direction parallel to the predetermined direction, the second connection terminals are disposed near the other main surface of the circuit board.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: September 19, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Hisao Honma, Hiroaki Rikihisa
  • Patent number: 11754631
    Abstract: A chargeable battery temperature estimation apparatus estimating an internal temperature of a chargeable battery includes a processor performing when executing the instructions stored in a memory: acquiring a detected current value output from a current sensor configured to detect a current flowing in the chargeable battery; calculating a heating value on the basis of the detected current value, the heating value estimating heat generated inside the chargeable battery; acquiring a detected external temperature value output from a temperature sensor configured to detect an external temperature of the chargeable battery; estimating the internal temperature of the chargeable battery based on the calculated heating value and the detected temperature value; and outputting the estimated internal temperature.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: September 12, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Masashi Matsushita, Katsuhide Hamada
  • Publication number: 20230272198
    Abstract: A resin composition, including the following components (A) and (B); and at least one kind of the following components (C) and (D): (A) a low density polyethylene resin; (B) an ethylene-vinyl acetate copolymer resin; (C) a thioether compound; and (D) fluororubber, in which: a content of the component (A) is 5 to 40 parts by mass and a content of the component (B) is 60 to 95 parts by mass in 100 parts by mass of a total content of the components (A) and (B), a total content of the components (C) and (D) is 0.05 to 1 part by mass with respect to 100 parts by mass of the total content of the components (A) and (B), and a proportion of a vinyl acetate component in the component (B) is 40 mass % or less.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 31, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Kenji TAKAHASHI, Hideyuki OSUGA