Patents Examined by Erin B Saad
  • Joining method
    Patent number: 11590605
    Abstract: Provided is a joining method that can prevent a plastic flowing material from flowing out from a butt section and that can reduce the thickness and weight of metal members. The joining method is for joining a first metal member and a second metal member by using a rotary tool comprising a stirring pin, and is characterized in that: the stirring pin comprises a flat surface perpendicular to the rotation axis of the rotary tool and comprises a protruding section protruding from the flat face; and in a friction stirring step, the flat surface is brought into contact with the first metal member and the second metal member, and a front end face of the protruding section is inserted deeper than an upper overlapping section to join an upper front butt section and the upper overlapping section.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: February 28, 2023
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Nobushiro Seo, Hisashi Hori
  • Stable undercooled metallic particles for engineering at ambient conditions
    Patent number: 11584978
    Abstract: Undercooled liquid metallic core-shell particles, whose core is stable against solidification at ambient conditions, i.e. under near ambient temperature and pressure conditions, are used to join or repair metallic non-particulate components. The undercooled-shell particles in the form of nano-size or micro-size particles comprise an undercooled stable liquid metallic core encapsulated inside an outer shell, which can comprise an oxide or other stabilizer shell typically formed in-situ on the undercooled liquid metallic core. The shell is ruptured to release the liquid phase core material to join or repair a component(s).
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: February 21, 2023
    Assignee: IOWA STATE UNIVERSITY RESEARCH FOUNDATION
    Inventors: Martin Thuo, Ian Tevis
  • Printing method to selectively deposit braze powders at one or more predetermined locations on a surface
    Patent number: 11571762
    Abstract: A printing method for selectively depositing braze powders on a surface comprises extruding a filament from a nozzle moving relative to a surface, where the filament comprises a flowable carrier mixed with a braze powder. As the nozzle moves, the filament is deposited on the surface in a predetermined pattern defined by the motion of the nozzle relative to the surface; thus, the braze powders are deposited at one or more predetermined locations on the surface.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: February 7, 2023
    Assignees: Rolls-Royce North American Technologies Inc., ROLLS-ROYCE CORPORATION
    Inventors: Matthew Gold, Greg Lopshire, Raymond Xu, Carl Russo
  • Transmission shaft and method and device for the production thereof
    Patent number: 11571765
    Abstract: A transmission shaft of a countershaft-type manual transmission is constructed from a plurality of hollow shaft portions which are butt press welded to one another, at least two of which hollow shaft portions are provided in each instance with at least one helical toothing of a fixed wheel of a spur gear stage. The hollow shaft portions provided with a helical toothing are connected to the respective adjacent hollow shaft portion in each instance so as to be rotated by a correction angle (??) around their center axis in proportion to a deviation (?x) from their axial target position, wherein the ratio between the correction angle (??) and the axial deviation (?x) corresponds to the pitch (s) of the helical toothing (??/?x=s).
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: February 7, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventor: Bernard Hunold
  • Brazing method for brazing material formed of aluminum alloy in inert gas atmosphere without using flux
    Patent number: 11565335
    Abstract: A brazing method for brazing a material without using a flux includes performing brazing in an inert gas atmosphere, in a state in which the material to be brazed is covered with a cover member formed of an upper cover portion covering the whole upper portion of the material to be brazed and side cover portions covering at least some of the side portions of the material to be brazed, with the upper cover portion contacting the upper portion of the material to be brazed, and the material to be brazed and the cover member are held with a heat transmission promoting member formed of an upper heat transmission promoting portion and a lower heat transmission promoting portion, with the upper heat transmission promoting portion contacting the upper cover portion, and with the lower heat transmission promoting portion contacting the lower portion of the material to be brazed.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: January 31, 2023
    Assignee: UACJ CORPORATION
    Inventor: Yutaka Yanagawa
  • Brazing by expansion using a spacer
    Patent number: 11559846
    Abstract: A heat exchanger brazing fixture including a baseplate including a first surface and a second surface located opposite the first surface and a first post including a first end and a second end located opposite the first end. The first post is operably associated with the first surface of the baseplate at the first end. The A heat exchanger brazing fixture further including a top plate operably connected to the first post and separated from the first surface of the baseplate by a selected distance. The top plate being configured to move in a first direction along the first post when a heat exchanger resting upon the first surface of the baseplate expands during a brazing process.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: January 24, 2023
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Benjamin Abraham, Timothy D. Scull
  • Reciprocating welding device
    Patent number: 11554451
    Abstract: A reciprocating welding device using a microcontroller to control a stepper motor to control a welding head for the stationary welding of a workpiece, the microcontroller allowing for adjustment of the welding head reciprocating stroke speed, the width of each stroke, and a pause from 0-1 second at the sides to control the wash of the welding edges, having a manipulator, the welding head and the oscillator contained in a single unit and provided on a multiple adjustment portable stand.
    Type: Grant
    Filed: March 23, 2019
    Date of Patent: January 17, 2023
    Inventor: Frank Simon
  • Systems and methods for removing an adhesively-attached component from a circuit board assembly
    Patent number: 11553631
    Abstract: Apparatus and associated methods relate to removing an adhesively-attached component from a circuit board assembly. A complementary pair of high-permeability members are positioned on opposite sides of the circuit board assembly about the adhesively-attached component. Then, a magnetic field is induced within the complementary pair of high permeability members via a coil driver generating an AC current in an inductive coil circumscribing a central pedestal of the complementary pair of high-permeability members. The magnetic field induced is directed through the adhesively-attached component via a central pedestal located proximate the adhesively-attached component. A return path for the magnetic field is provided about a periphery of the adhesively-attached component via a peripheral pedestal.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: January 10, 2023
    Assignee: RAYTHEON COMPANY
    Inventors: Michael Spencer Dunn, Lawrence William Thurber
  • Methods of furnace-less brazing
    Patent number: 11541470
    Abstract: A method of furnace-less brazing of a substrate is provided. The method includes providing a substrate having a braze region thereon; disposing braze precursor material containing a nickel powder, an aluminum powder, and a platinum group metal powder on the braze region; and initiating an exothermic reaction of the braze precursor material such that the exothermic reaction produces a braze material that reaches a braze temperature above the solidus temperature of the braze material. A braze precursor material is also provided.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: January 3, 2023
    Assignee: General Electric Company
    Inventors: Voramon Supatarawanich Dheeradhada, Raghavendra Rao Adharapurapu, Juan Borja, Don Mark Lipkin
  • Mixed composition coating material for brazing
    Patent number: 11534872
    Abstract: In a mixed composition coating material for brazing, when a total mass of a solid material, an organic solvent, and water is defined as 100 mass %, the solid material are contained in an amount of 30 mass % or greater and 80 mass % or less with respect to the whole coating material, the organic solvent and the water is contained in a total amount of 20 mass % or greater and 70 mass % or less with respect to the whole coating material, and the water is contained in an amount of 0.4 mass % or greater and 2.5 mass % or less with respect to the whole coating material.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: December 27, 2022
    Assignee: MA Aluminum Corporation
    Inventors: Masaya Katsumata, Yasunori Hyogo
  • Friction stir processing tip, apparatus, and method
    Patent number: 11534855
    Abstract: In one aspect of the present disclosure, a friction stir processing tip is provided for a friction stir processing device. The friction stir processing tip includes a body having a central longitudinal axis, a friction stir processing portion of the body, and a connecting portion of the body configured to connect to a tip holder of the friction stir processing device. The connecting portion includes splines configured to receive a torque from the tip holder for rotating the body about the central longitudinal axis.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: December 27, 2022
    Assignee: Mazak Corporation
    Inventors: David Rosal, Scott Packer, Rodney Dale Fleck, Russell J. Steel
  • Friction stir welding tool and friction stir welding method
    Patent number: 11534854
    Abstract: Provided are a long-life and inexpensive friction stir welding tool that is not dependent on the mode of friction stir welding or the type of material to be welded, and a friction stir welding method using the friction stir welding tool. The friction stir welding tool comprises a body portion having a shoulder portion, and a probe portion disposed on a bottom surface of the body portion, and is characterized in that the probe portion is spherical-crown shaped. Preferably, the shoulder portion is flat or convex, and preferably the hardness of the shoulder portion is greater than the hardness of the probe portion.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 27, 2022
    Assignee: OSAKA UNIVERSITY
    Inventors: Hidetoshi Fujii, Yoshiaki Morisada, Yasuhiro Aoki, Akihiko Ikuta
  • Movement support
    Patent number: 11529703
    Abstract: A movement support includes a base. An air inlet is formed in the base. A drainage plate is installed on the base. A first heat dissipating flow channel communicated with the air inlet is formed in the base on one side of the drainage plate. A second heat dissipating flow channel communicated with the air inlet is formed in the base on the other side of the drainage plate. The first heat dissipating flow channel and the second heat dissipating flow channel between the drainage plate and the air inlet are communicated with each other.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: December 20, 2022
    Assignee: SHANGHAI HUGONG ELECTRIC (GROUP) CO., LTD.
    Inventors: Zhenyu Shu, Hongtao Zhao
  • Brazing a heat exchanger with a moving brazing tool
    Patent number: 11529695
    Abstract: A method and apparatus for manufacturing a brazed heat exchanger. The method includes the steps of: assembling the heat exchanger components to form at least one unbrazed heat exchanger core in a core builder machine; without removing the at least one heat exchanger core from the core builder machine, enclosing the heat exchanger core with a brazing tool arrangement adapted to form a chamber, optionally, evacuating the chamber and/or filling the chamber with a controlled atmosphere; brazing the heat exchanger core in the chamber to form a brazed heat exchanger.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: December 20, 2022
    Assignee: NOVELIS KOBLENZ GMBH
    Inventor: Steven Kirkham
  • Canister and method of production
    Patent number: 11529699
    Abstract: A method of forming a canister by means of a mechanical bonding of respective layers of a first metal material (tantalum) and a second metal material (niobium) to form a sheet stock, thereby forming the sheet stock into a canister form, wherein the first metal material comprises tantalum and the second metal material comprises at least one of niobium, molybdenum, or steel. The completed canister comprises a first metal material comprising tantalum, and a second metal material mechanically bonded to the first metal material by subjecting the first and second metal materials to at least 1,000,000 psi, to thereby form a canister having an inner diameter of 13-19 millimeters (mm), the second metal material comprising at least one of niobium, molybdenum, or steel.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: December 20, 2022
    Assignee: National Chain Company
    Inventor: Steven A. Cipolla
  • First-in first-out solder container automatic supplying management system
    Patent number: 11525626
    Abstract: A first-in first-out solder container automatic supply management system includes a refrigerating chamber configured to store a plurality of solder containers, a transfer part positioned outside the refrigerating chamber and configured to move at least one of the plurality of solder containers, a stirring part formed at one end of the transfer part and configured to stir the at least one solder container, and a hand part configured to move any one solder container of the at least one solder container positioned on the transfer part to the stirring part.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: December 13, 2022
    Assignee: BOSUNG ENG CO., LTD.
    Inventors: Chan Sung Chung, Ho Yeol Park
  • Method and system for tin immersion and soldering of core wire
    Patent number: 11517970
    Abstract: Disclosed are a method and a system for tin immersion and soldering of a core wire which includes: inserting a core wire row into molten tin vertically; moving the each core wire in the molten tin along a direction perpendicular to the core wire row to remove carbonized matter from each core wire on a moving direction side; pulling the each core wire out of the molten tin; and performing alignment, such that the inner core conductor of the each core wire on the moving direction side contacts with a bonding pad. According to the technical solution of the present disclosure, the carbonized matter on the core wire that aligned facing the bonding pad is removed, such that the temperature transfer effect of the automatic soldering is improved, the yield of the automatic soldering is improved, and the consistency and the yield of the automatic soldering are more stable.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 6, 2022
    Assignee: GOERTEK INC.
    Inventor: Gang Du
  • Device and method for reel-to-reel laser reflow
    Patent number: 11515287
    Abstract: The present invention relates to a reel-to-reel layer reflow method, which emits a uniformized laser beam, which can easily adjust the emission area, and which is for the purpose of improving productivity. An embodiment of the present invention provides a reel-to-reel layer reflow method comprising the steps of: a) transferring a substrate, which has been wound in a roll type, to one side while unwinding the same; b) forming a solder portion on the substrate; c) seating an emission target element on the solder portion and seating a non-emission target element on the substrate; d) surface-emitting a laser beam to the solder portion, on which the emission target element is seated, such that the emission target element is attached to the substrate; e) inspecting the substrate structure manufactured through said step d); and f) winding the substrate structure in a roll type.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: November 29, 2022
    Assignee: LASERSSEL CO., LTD.
    Inventors: Byung Rock Kim, Wan Ki Cho, Jae Joon Choi
  • Non-explosive release mechanism based on electromagnetic induction melting
    Patent number: 11505339
    Abstract: The present invention relates to a release system (1, 2, 3, 4, 5), that includes a segmented structural element (10) comprising: a first segment (10a) designed to be coupled to a first structure, a second segment (10b) designed to be coupled to a second structure, and a solder joint (11) joining respective ends of said first (10a) and second (10b) segments, thus holding down the first and second structures with respect to one another; wherein said solder joint (11) is electromagnetically heatable and includes a solder alloy having a predefined melting temperature.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: November 22, 2022
    Assignee: Thales Alenia Space Italia S.p.A. Con Unico Socio
    Inventor: Alberto Meschini
  • Ultrasonic welding systems and methods of using the same
    Patent number: 11504800
    Abstract: An ultrasonic welding system is provided. The ultrasonic welding system includes a support structure for supporting a workpiece. The ultrasonic welding system also includes a weld head assembly including an ultrasonic converter carrying a sonotrode. The ultrasonic welding system also includes a z-axis motion system carrying the weld head assembly. The z-axis motion system includes (i) a z-axis forcer for moving the weld head assembly along a z-axis of the ultrasonic welding system, and (ii) a z-axis overtravel mechanism disposed between the z-axis forcer and the weld head assembly.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: November 22, 2022
    Assignee: Kulicke and Soffa Industries, Inc.
    Inventors: Theodore J. Copperthite, Hans H. Von Tresckow, Christopher R. Longley, Siddharth D. Kataria