Patents Examined by Chau N. Nguyen
  • Field grading members, power cables having field grading members, and methods of regulating electric fields
    Patent number: 11367542
    Abstract: A field grading member includes an insulating body extending along a regulation axis and a conductive body. The conductive body is encapsulated within the insulating body and defines a conductive network therein to regulate an electric field within an underlying insulator from current flowing through a conductor along the regulation axis. Cables and methods of regulating electric field within cables are also described.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: June 21, 2022
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Theresa A. Hugener, Peter J. Walsh, Haralambos Cordatos
  • Resin composition, inorganic filler, direct-current power cable, and method for producing direct-current power cable
    Patent number: 11365305
    Abstract: A resin composition including a base resin containing polyolefin, and an inorganic filler, wherein the inorganic filler includes: a core part containing Mg(OH)2, and a covering part containing a plurality of MgO particles provided on an outer periphery of the core part, the content of the inorganic filler in the resin composition is 0.1 parts by mass or more and 5 parts by mass or less with respect to 100 parts by mass of the base resin; and a volume fraction of Mg(OH)2 in one particle of the inorganic filler is 10% or more and less than 50%.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: June 21, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Shuhei Yasuda, Takanori Yamazaki, Akira Domoto, Yoshinao Murata, Tomohiko Katayama
  • Moisture curable composition for wire and cable insulation and jacket layers
    Patent number: 11361879
    Abstract: An insulation or jacket layer for a coated conductor is composed of (A) a crosslinked silane-functional polyolefin, (B) a filler composed of greater than 50 wt % silica, based on the total weight of the filler, (C) a silicone-containing polymer selected from the group consisting of reactive linear silicone-containing polymers, non-reactive linear silicone-containing polymers, and non-reactive branched silicone-containing polymers, and (D) from 0.00 wt % to 20 wt % of a silanol condensation catalyst, based on the total weight of the insulation or jacket layer.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: June 14, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones Corporation
    Inventors: Yichi Zhang, Xindi Yu, Bharat I. Chaudhary, Gerald Lawrence Witucki
  • Communication wire
    Patent number: 11355262
    Abstract: The present invention relates to an improved insulated conductor with a low dielectric constant and reduced materials costs. The conductor (12) extends along a longitudinal axis and an insulation (14, 14<1>) surrounds the conductor (12). At least on channel (16, 16<1>) in the insulation (14, 14<1>) extends generally along the longitudinal axis to form an insulated conductor. Apparatuses and methods of manufacturing the improved insulated conductors are also disclosed.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: June 7, 2022
    Assignee: CommScope Technologies LLC
    Inventors: David Wiekhorst, Spring Stutzman, Jeff Stutzman, Scott Avery Juengst, Frederick W. Johnston, Jim L. Dickman, Robert Kenny
  • Coaxial cable system for gas turbine engine
    Patent number: 11348705
    Abstract: A coaxial cable system includes an electric conductor to conduct electric power in a gas turbine engine. The system also includes a dielectric tape helically wound to contiguously surround the electric conductor and a flexible conduit disposed to surround and contiguously contact the dielectric tape. A dielectric liquid may be impregnated within the dielectric tape, and a flexible protective cover may concentrically disposed to surround the flexible conduit.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: May 31, 2022
    Assignee: ROLLS-ROYCE CORPORATION
    Inventors: John Joseph Costello, Robert C. Dalley
  • Flame resistant data cables and related methods
    Patent number: 11322275
    Abstract: A data cable is provided herewith, along with related methods. The disclosed data cables may meet the requirements for a UL 2196 flame test, including subsequent hose stream test. The disclosed data cables include two or more pairs of conductors wrapped with a flame-retardant tape and surrounded by low smoke zero halogen (LSZH) thermoset insulation. A shield may surround the conductor pairs and a non-halogen flame retardant polyolefin may surround the shield. In certain embodiments, the pairs of conductors present in the cable may have different lay lengths.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: May 3, 2022
    Assignee: COMTRAN CABLE LLC
    Inventors: Rama Krishna Nippani, Paulette Blagburn, Eric Joseph O'Brien, James Scott Conrad
  • Covered electrical wire, terminal-equipped electrical wire, copper alloy wire, and copper alloy stranded wire
    Patent number: 11315702
    Abstract: A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.2% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.4% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities, and having a mass ratio of Fe/P of 4.0 or more; and having a wire diameter of 0.5 mm or less.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: April 26, 2022
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Kei Sakamoto, Akiko Inoue, Tetsuya Kuwabara, Minoru Nakamoto, Yusuke Oshima, Yoshihiro Nakai, Kazuhiro Nanjyo, Taichiro Nishikawa, Kiyotaka Utsunomiya, Yasuyuki Ootsuka, Kinji Taguchi, Hiroyuki Kobayashi
  • Covered electrical wire, terminal-equipped electrical wire, copper alloy wire, and copper alloy stranded wire
    Patent number: 11315701
    Abstract: A covered electrical wire comprising a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.1% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities; and having a wire diameter of 0.5 mm or less, the copper alloy wire having a tensile strength of 385 MPa or more and a work-hardening exponent of 0.1 or more.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: April 26, 2022
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems. Ltd.
    Inventors: Kei Sakamoto, Akiko Inoue, Tetsuya Kuwabara, Minoru Nakamoto, Yusuke Oshima, Yoshihiro Nakai, Kazuhiro Nanjo, Taichiro Nishikawa, Kiyotaka Utsunomiya, Yasuyuki Ootsuka, Kinji Taguchi, Hiroyuki Kobayashi
  • Cable neutral wires connectors and methods and connections including same
    Patent number: 11303049
    Abstract: A cable neutral wires connector for connecting neutral wires of a cable, the cable having a cable longitudinal axis, includes a connector body, a plurality of neutral wire ports, and at least one securing mechanism. The neutral wire ports are defined in the connector body. The neutral wire ports are each configured to receive at least one of the neutral wires therethrough. The at least one securing mechanism is configured to secure the neutral wires in the connector body. The connector body is configured to be mounted on the cable such that the neutral wire ports are circumferentially distributed about the cable longitudinal axis.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: April 12, 2022
    Assignee: TE CONNECTIVITY SERVICES GMBH
    Inventors: Mahmoud K. Seraj, Harry George Yaworski, Brian Ayres
  • Aluminum alloy wire, aluminum alloy strand wire, covered electrical wire, and terminal-equipped electrical wire
    Patent number: 11302457
    Abstract: An aluminum alloy contains at least 0.03 mass % and at most 1.5 mass % of Mg, at least 0.02 mass % and at most 2.0 mass % of Si, and a remainder composed of Al and an inevitable impurity, a mass ratio Mg/Si being not lower than 0.5 and not higher than 3.5. In a transverse section of the aluminum alloy wire, a rectangular surface-layer void measurement region having a short side of 30 ?m long and a long side of 50 ?m long is taken from a surface-layer region extending by up to 30 ?m in a direction of depth from a surface of the aluminum alloy wire. A total cross-sectional area of voids present in the surface-layer void measurement region is not greater than 2 ?m2.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 12, 2022
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Misato Kusakari, Tetsuya Kuwabara, Yoshihiro Nakai, Taichiro Nishikawa, Yasuyuki Otsuka, Hayato Ooi
  • Cable connection structure
    Patent number: 11303046
    Abstract: A cable connection structure includes an electric cable, an end face of a core wire of which is exposed, a first electrode that covers the end face, a substrate, a terminal of which is exposed on a principal surface, and a second electrode bonded to the first electrode without another member interposed between the first electrode and the second electrode, the second electrode covering the terminal and having substantially same Vickers hardness as Vickers hardness of the first electrode.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: April 12, 2022
    Assignee: OLYMPUS CORPORATION
    Inventors: Mikio Nakamura, Hiroaki Shibuya, Takanori Sekido
  • Press-fit terminal with improved whisker inhibition
    Patent number: 11296436
    Abstract: A press-fit terminal for insertion into a conductive through-hole of a substrate includes an elastic deformation part with an outer and inner surface, the press-fit terminal includes, in sequence, a copper or copper alloy base, nickel or a nickel alloy barrier layer, a tin or tin alloy layer and an indium top layer. The press-fit terminal shows reduced whisker formation.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 5, 2022
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventor: Flora He
  • Electrical harness for a turbomachine
    Patent number: 11289827
    Abstract: The present invention relates to an electrical harness (1) comprising at least one first cable strand (2) and at least one second cable strand (3, 4), which are respectively at least partially surrounded externally by a first shielding braid (13) and a second shielding braid (14, 15), and a connecting socket (16) externally surrounding one end of the first cable strand (17) and one end of the second cable strand (18, 19), characterised in that the connecting socket (16) comprises a fixing part (21) intended to be engaged on a fixing member of the turbomachine, and a crimping part (20), the ends (26, 27, 28) of the first (13) and second (14, 15) shielding braids being engaged externally to the crimping part (20), at least one crimping member (32) holding said ends (26, 27, 40) on the crimping part (20).
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: March 29, 2022
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Eric Maurice Daniel Marmet, Clément Pierre Bernard Audoux, Victorin Machado, Jocelyn Jean Romolo Pages
  • Shielded flat cable
    Patent number: 11289241
    Abstract: A shielded flat cable including conductors 110, a lower insulating layer 122 bonded on lower surfaces 112 of the conductors 110, a lower dielectric layer 132 bonded on a lower surface 122a of the insulating layer 122, a lower shield layer 142 bonded on a lower surface 132a of the lower dielectric layer 132, a terminal T in which the conductors 110 are exposed at an end in a longitudinal direction, a reinforcing plate 160 bonded on the lower surface 122a of the lower insulating layer 122 and the lower surfaces 112 of the conductors 110 at the terminal T, and a grounding member 170 bonded on a lower surface 162 of the reinforcing plate 160 and a lower surface 142a of the lower shield layer 142 to be electrically coupled to the lower shield layer 142 is provided, wherein the grounding member 170 extends to under the terminal T.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: March 29, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Chiaki Kojima, Tatsuo Matsuda
  • Low-profile cable armor
    Patent number: 11282619
    Abstract: Disclosed is an armored cable assembly may include a plurality of conductors and a metal sheath disposed over the plurality of conductors. The metal sheath may have a plurality of revolutions extending helically along a lengthwise axis, each of the plurality of revolutions including a first section having a curved profile, a second section extending from the first section, the second section having a planar profile, and a third section extending from the second section. The third section may include a free end angled towards an interior cavity of the metal sheath, the free end extending past a plane defined by a bottom most point of the first section of an adjacent revolution, the plane extending perpendicular to the second section.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: March 22, 2022
    Assignee: AFC Cable Systems, Inc.
    Inventors: Peter Lafreniere, Stephen Lundgren, Paulo Damoura, Ronald Pegg, Antonio Araujo, David Campbell
  • Devices and methods for connecting to a metallic shield of a cable
    Patent number: 11276513
    Abstract: The present disclosure describes various devices and methods for the reconstruction or restoration of a metallic shield of a cable, which provide a holding feature for simplifying the installation of an electrically-conductive member on the metallic shield and improving the reliability of the connection. Both factory-supplied and field-installable holding features are described.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: March 15, 2022
    Assignee: Richards Mfg. Co., A New Jersey Limited Partnership
    Inventors: Glenn J. Luzzi, Jeff Madden, Christopher A. Juillet
  • Solderless wire connector
    Patent number: 11276945
    Abstract: A wire connector includes an outer shell with a wire cavity therein, a plurality of raised ribs on the surface of the outer shell, each of the raised ribs having a rib cap overmolded on to a top surface with a gap between the rib cap corresponding to each of the raised ribs and the rib cap corresponding to each adjacent raised rib. Two leverage wings may extend outward from the outer shell on opposing sides. A wire skirt may be overmolded around the open end of the outer shell, the wire skirt and plurality of rib caps formed of a material more flexible than a material used to form the outer shell. A wing rib may be overmolded onto a portion of the first side of each leverage wing. A base of the wire connector may include texture in the form of raised grip bumps of various shapes.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: March 15, 2022
    Inventors: John E. Klein, Jeffrey P. Baldwin
  • Hybrid cable with connecting device
    Patent number: 11270815
    Abstract: A hybrid cable for collecting data inside a well includes an electrical cable extending along a longitudinal axis of the hybrid cable, an optical fiber extending along the longitudinal axis, an armor that extends along the longitudinal axis, and encircles the electrical cable and the optical fiber, and a connecting device extending along the longitudinal axis, to enclose the electrical cable and the optical fiber, and to be enclosed by the armor. The connecting device has an unsmooth external surface.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: March 8, 2022
    Assignee: SERCEL
    Inventors: Frédéric Nicolas, Oleg Valishin, Florent Guichard
  • Flat cable with improved short-circuit prevention function
    Patent number: 11264146
    Abstract: Disclosed is a flat cable with an improved function of preventing a short phenomenon that may occur when the flat cable is incorrectly inserted into a connector. The flat cable according to an embodiment of the present disclosure is a flat cable extending straight in a direction and having a front end that is inserted and connected to an external connector, and includes a plurality of conductors extending straight along a lengthwise direction of the flat cable, spaced apart a predetermined distance in a widthwise direction of the flat cable, and a cable body made of an insulating material, and extending straight along the lengthwise direction of the flat cable, wherein the conductors are mounted on at least one surface.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: March 1, 2022
    Inventors: Kyu-Hwan Oh, Bo-Sung Kim, Chang-Bok Lee, Yang-Lim Choi
  • Electric cable with improved temperature ageing resistance
    Patent number: 11257607
    Abstract: An electric cable has at least one semi-conductive layer obtained from a polymer composition having at least one polypropylene-based thermoplastic polymer material, at least one first antioxidant and at least one metal deactivator.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 22, 2022
    Assignee: NEXANS
    Inventors: Christian Koelblin, Melek Maugin, Gabriele Perego, Valéry Alcaraz