Patents Assigned to Furukawa Automotive Systems Inc.
-
Publication number: 20230020597Abstract: 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: ApplicationFiled: September 16, 2022Publication date: January 19, 2023Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshitaka WATANABE, Shinji YOKOYAMA
-
Publication number: 20230012432Abstract: 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: ApplicationFiled: September 26, 2022Publication date: January 12, 2023Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Takahisa KAKUDO, Shinichi HAMASAKI, Rodrigo Kendy YAMASHITA, Yoji TAJIRI
-
Patent number: 11552437Abstract: 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: GrantFiled: March 31, 2021Date of Patent: January 10, 2023Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventor: Yuya Hasegawa
-
Publication number: 20230006430Abstract: 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: ApplicationFiled: September 13, 2022Publication date: January 5, 2023Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Hiroshi SUYAMA, Takashi OSHINO, Naoyuki KOJIMA
-
Patent number: 11539263Abstract: 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: GrantFiled: April 6, 2020Date of Patent: December 27, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Kento Oiwa, Hirofumi Utsunomiya, Masatoshi Ushiyama, Masashi Kanazawa, Kosuke Sato
-
Publication number: 20220402425Abstract: 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: ApplicationFiled: August 25, 2022Publication date: December 22, 2022Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventor: Yoji TAJIRI
-
Patent number: 11499067Abstract: 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: GrantFiled: November 14, 2019Date of Patent: November 15, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Kenji Takahashi, Yuka Sawada, Takashi Oshino, Yutaka Suzuki, Yasuharu Uchiyama, Hideyuki Osuga
-
Patent number: 11502489Abstract: 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: GrantFiled: November 16, 2018Date of Patent: November 15, 2022Assignees: Furukawa Electric Co., Ltd., Furukawa Automotive Systems Inc.Inventors: Takashi Oshino, Koichi Maeno, Naoyuki Kojima, Hideyuki Ikeda, Yoshikazu Kamei
-
Patent number: 11456580Abstract: 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: GrantFiled: January 29, 2019Date of Patent: September 27, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Takashi Oshino, Koichi Maeno, Naoyuki Kojima, Hideyuki Ikeda, Yoshikazu Kamei
-
Patent number: 11444422Abstract: 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: GrantFiled: December 2, 2020Date of Patent: September 13, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Satoshi Kitao, Shingo Nambu, Kenji Yoshimura
-
Patent number: 11433786Abstract: 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: GrantFiled: September 22, 2020Date of Patent: September 6, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Masahiro Okumura, Naoshi Saoya
-
Patent number: 11431139Abstract: 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: GrantFiled: March 26, 2021Date of Patent: August 30, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
-
Patent number: 11394162Abstract: 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: GrantFiled: March 31, 2021Date of Patent: July 19, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
-
Patent number: 11394161Abstract: 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: GrantFiled: March 26, 2021Date of Patent: July 19, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
-
Patent number: 11387581Abstract: 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: GrantFiled: December 19, 2019Date of Patent: July 12, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Sho Yoshida, Akira Tachibana, Kengo Mitose
-
Patent number: 11378684Abstract: 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: GrantFiled: June 4, 2020Date of Patent: July 5, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Hajime Namiki, Hiroyuki Kobayashi, Eisuke Otani
-
Publication number: 20220181830Abstract: A flat cable assembly for a rotary connector device includes a first lead block, a first flat cable, and a second flat cable. The first lead block includes a first lead block body and a first conductor that includes a first exposure surface exposed from the first lead block body and is attached to the first lead block body. The first flat cable includes a first cable end portion connected to the first exposure surface so as to extend from the first exposure surface in a first direction. The second flat cable includes a second cable end portion connected to the first exposure surface so as to extend from the first exposure surface in a second direction, which is different from the first direction.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoji TAJIRI, Yoshihiro SHIOTANI, Hirofumi UTSUNOMIYA
-
Publication number: 20220146584Abstract: 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: ApplicationFiled: January 25, 2022Publication date: May 12, 2022Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Akira OONO, Kimiko FUJISAWA
-
Patent number: 11325545Abstract: A rotary connector device is provided, which includes a moving member on a stator side in an insertion direction of a steering shaft, the moving member including a first recessed portion recessed in the insertion direction and located in a first direction (X) orthogonal to a center axis (Cx) of the stator, and a second recessed portion recessed in a direction opposite to the first recessed portion and located in a second direction (Y); a rotator including a first guide portion configured to loosely fit together with and guide the first recessed portion; a rotating portion provided in the stator and configured to rotate about the center axis (Cx) includes a second guide portion configured to loosely fit together with and guide the second recessed portion; and the first recessed portion and the second recessed portion are capable of movement in the first direction (X) and the second direction (Y).Type: GrantFiled: September 15, 2020Date of Patent: May 10, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventor: Hirofumi Utsunomiya
-
Publication number: 20220140502Abstract: 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: ApplicationFiled: January 13, 2022Publication date: May 5, 2022Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Hisao HONMA, Hiroaki RIKIHISA