Patents Examined by Forrest M Phillips
  • Patent number: 11514880
    Abstract: A cushioning element for use in a vehicle, for example in an aircraft, includes at least one tuned absorber embedded within the cushioning element. The tuned absorber is tuned to absorb noise at a predetermined frequency of at least 20 Hz. A method of providing noise absorption within a cabin of a vehicle includes determining a predetermined frequency of at least 20 Hz of an undesirable noise within the cabin, and configuring an internal structure of a cushioning element to define a tuned absorber tuned to absorb noise at the predetermined frequency, the cushioning element in use being located in the cabin.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: November 29, 2022
    Assignee: BOMBARDIER INC.
    Inventors: Alexis Caron-L'Ecuyer, Andre Brodeur, Thineshan Kathirchelvan, Raymond Lee Man Wong
  • Patent number: 11514879
    Abstract: A sound absorbing apparatus includes a first member including at least one first opening portion for enabling Helmholtz resonance, and a second member that is on the first member, has a plate shape or a sheet shape, and is formed of a porous material. The second member includes at least one second opening portion overlapping one-to-one with the at least one first opening portion in planar view. A periphery of each of the at least one second opening portion coincides with or is located outside a periphery of each corresponding one of the at least one first opening portion in planar view.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: November 29, 2022
    Assignee: Yamaha Corporation
    Inventor: Yoshikazu Honji
  • Patent number: 11511875
    Abstract: An acoustic absorption structure includes: at least one acoustic element which has at least one cavity delimited by at least one enclosure comprising at least one first drainage orifice passing through the enclosure, and a rotational indexing system making it possible to position the acoustic element so that at least one first drainage orifice is positioned in proximity to or at a lowest point of the cavity. An aircraft propulsion assembly including such an acoustic absorption structure is also described.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 29, 2022
    Inventors: Wolfgang Brochard, Laurent Cazeaux, Claire Maffre
  • Patent number: 11508347
    Abstract: A portable acoustic road barrier for use with a road divider is disclosed comprising a frame having a lower horizontal panel frame portion, a first and a second vertical panel frame portion and an upper horizontal panel frame portion. A first and a second mount from the frame for removably securing the frame to the road divider. A sheet of acoustical blocking material is secured to the panel frame portions. The sheet of acoustical blocking material is flexible for enabling the sheet of acoustical blocking material and reinforcing tape to be rolled as a single unit for transportation.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: November 22, 2022
    Assignee: L.J. Avalon, LLC
    Inventor: Lahnie Johnson
  • Patent number: 11509192
    Abstract: In at least one illustrative embodiment, a power tool may comprise an electric motor comprising a rotor configured to rotate about an axis, a stator assembly including at least three windings arranged around the rotor, and at least three lugs affixed to the stator assembly, where each of the lugs is electrically coupled to one or more of the windings. The lugs may all be arranged to one side of a plane that passes through the axis. The power tool may further comprise at least three electrical wires, where each of the electrical wires is removably coupled to one of the lugs, and a control circuit configured to supply electrical power to the windings, via the electrical wires and the lugs, to drive rotation of the rotor about the axis.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 22, 2022
    Assignee: Ingersoll-Rand Industrial U.S., Inc.
    Inventors: Sean C Ely, Jason Christopher Bartoszek, Douglas Fornell Leavitt
  • Patent number: 11505131
    Abstract: An electronic device having a unitary housing is disclosed. The device can include a first housing component having an open cavity, an internal electronic part disposed within the cavity, a second housing component disposed across the cavity, and a support feature disposed within the cavity and arranged to support the second housing component. The first housing component can be formed from metal, while the second housing component can be formed from a plurality of laminated foil metal layers. The second housing component can be attached to the first housing component via one or more ultrasonic welds, such that a fully enclosed housing is created. The fully enclosed housing can be hermetically sealed, and the outside surfaces thereof can be machined or otherwise finished after the ultrasonic welding.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: November 22, 2022
    Assignee: APPLE INC.
    Inventors: Christopher D. Prest, Stephen P. Zadesky, Trent Weber, Lucy E. Browning
  • Patent number: 11498306
    Abstract: A sound-absorbing panel to be used affixed to a jet engine of an aircraft, provided with: a resin core layer having a first surface, a second surface disposed on the side opposite from the first surface, and multiple partitions extending between the first surface and second surface so as to partition multiple cells; a resin first skin layer laminated on the first surface of the core layer; and a resin second skin layer laminated on the second surface of the core layer. The first skin layer is disposed so as to face the external space while in use, and has multiple through-holes for providing communication between internal spaces of the multiple cells and external space faced by the first skin layer. The core layer has openings for providing communication between the internal spaces of the multiple cells and external space of the core layer.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 15, 2022
    Assignees: IHI CORPORATION, JAPAN AEROSPACE EXPLORATION AGENCY, GIFU PLASTIC INDUSTRY CO., LTD.
    Inventors: Tsutomu Oishi, Masahiro Hojo, Shingo Shibagaki
  • Patent number: 11493297
    Abstract: A suppressor having a body and a first connector half coupled to the body, wherein the first connector half includes a first component that includes at least one channel and a first surface; and wherein the body provides a second surface, wherein a gap between the first surface and the second surface defines at least one track; wherein the gun includes a second connector half comprising at least one protrusion, wherein the protrusion and channel have corresponding shapes that allow the protrusion to be inserted through the channel and into alignment with the track, wherein the first component may be rotated with respect to the protrusion and the body to bring the protrusion out of alignment with the channel so that the first and second surfaces clamp the protrusion to thereby secure the first connector half and second connector half with respect to each other.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: November 8, 2022
    Inventor: Bert John Wilson
  • Patent number: 11493232
    Abstract: An object is to provide a silencing system that can achieve both high ventilation performance and high soundproof performance, can silence a plurality of pieces of resonant sound, and has high general-purpose properties since the silencing system does not need to be designed according to a tubular member.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 8, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Yoshihiro Sugawara, Shogo Yamazoe, Shinya Hakuta, Akihiko Ohtsu
  • Patent number: 11495203
    Abstract: A sound absorber includes at least one cavity and at least one mouth to communicate the at least one cavity with an outside of the sound absorber. The at least one cavity includes a top surface, a bottom surface, and a side wall. The top surface includes the mouth. The bottom surface opposes the top surface. The side wall is extended to connect the top surface with the bottom surface. At least one of the top surface and the bottom surface is inclined with respect to the side wall.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: November 8, 2022
    Assignee: Ricoh Company, LTD.
    Inventors: Masahiro Ishida, Naoki Matsuda, Hiroshi Ishii, Kohta Takenaka, Keisuke Shimizu, Shogo Sakamoto, Takayuki Isaka
  • Patent number: 11495201
    Abstract: In a sound absorption panel formed by stacking a plate perforated with a hole having a hole size smaller than a fiber length such as expanded metal, a honeycomb material, and felt-like fiber between the perforated plate and the honeycomb material, and joining the perforated plate, the felt-like fiber, and the honeycomb material to each other with an adhesive, the adhesive applied to the perforated plate is permeated into a surface of the felt-like fiber exposed from the hole to fix the fiber on the surface.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: November 8, 2022
    Assignee: SHIZUKA CO., LTD.
    Inventors: Koichi Take, Tomohisa Nakamura, Yoshihiko Ueki
  • Patent number: 11488570
    Abstract: The present application provides a sound adsorbing material, including a microporous material and an adsorbate gas adsorbed in the microporous material. The microporous material includes a zeolite molecular sieve, and the zeolite molecular sieve has a framework and extra-framework cations. An adsorption capacity of the adsorbolite molecular sieve to the adsorbate gas is greater than an adsorption capacity of the adsorbolite molecular sieve to air. The present disclosure further provides a speaker box adopting the sound adsorbing material. Compared with the related art, the sound adsorbing material provided by the present disclosure has good application effects, and the speaker box using the sound adsorbing material has a better low frequency acoustic performance.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: November 1, 2022
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Hongshu Feng, Kun Tang, Jiqiang Dai, Hezhi Wang
  • Patent number: 11482202
    Abstract: An apparatus comprises a circuitry and an acoustic-capture tile having a surface that is to face an acoustic source that is to emit a first acoustic wave having a first frequency and a second acoustic wave having a second frequency. The acoustic-capture tile comprises a first acoustic-capture subtile electrically coupled to the circuitry, the first acoustic-capture subtile to resonate at the first frequency, wherein the first acoustic-capture subtile is to capture the first acoustic wave and to convert the first acoustic wave into a first electric current in response to resonance at the first frequency. The acoustic-capture tile also comprises a second acoustic-capture subtile electrically coupled to the circuitry, the second acoustic-capture subtile to resonate at the second frequency, wherein the second acoustic-capture subtile is to capture the second acoustic wave and to convert the second acoustic wave into a second electric current in response to resonance at the second frequency.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: October 25, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jim Basuki Surjaatmadja, Timothy Holiman Hunter
  • Patent number: 11473297
    Abstract: A panel for machinery enclosure, particularly for turbomachine enclosures. More specifically, a multilayered panel including several different layers each performing a specific function. In particular, the multilayered panel is capable to provide high levels of jet fire and fire/blast protection together with high performances in term of noise abatement with a lighter structure with respect to the panels of the prior art.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 18, 2022
    Assignee: NUOVO PIGNONE TECNOLOGIE SRL
    Inventors: Roberto Merlo, Pierluigi Tozzi, Roberto Bardazzi, Emanuele Checcacci, Valentina Bisio
  • Patent number: 11466622
    Abstract: An aerospace component, for example, used in a gas turbine engine, includes the following structurally-integrated layers: a metallic layer and a composite layer having reinforcing fibers embedded in a matrix material. The aerospace component can also include an insulating layer disposed between the metallic layer and the composite layer where the insulating layer has a thermal conductivity that is lower than a thermal conductivity of the composite layer.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: October 11, 2022
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Kin-Leung Cheung, Bryan William Olver, Stephen Caulfeild
  • Patent number: 11466675
    Abstract: A reciprocating piston air compressor includes a programmable logic controller, a tank, a motor, a pump, a variable speed drive, a head unloader and a cooling system. The programmable logic controller and/or variable speed drive are utilized to monitor the operating state of the air compressor and to control various operational variables, such as motor and pump speed. The air compressor can utilize the variable speed drive to operate a three phase motor on single-phase power.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: October 11, 2022
    Assignee: Eaton-Max, Inc.
    Inventor: Matthew Scott Cain
  • Patent number: 11468872
    Abstract: A sound absorbing panel for managing acoustic environments with desired durability, stiffness and advantageous characteristics for self-supporting sound-absorbing panels intended to be attached to indoor walls and ceilings of buildings. The sound absorbing panel comprising a height, a width, a length and a cover. The sound absorbing panel comprising materials characterized by an inner core comprising a core density, a core binder and a thickness. The core density is between two and a half and four and a half pounds per cubic-foot. The core binder is between one and three-fourths and two and three fourths percent. The thickness comprises a thickness between 35-45 mm. The cover comprises a cover weight. The cover weight is between one quarter and one half ounces per foot.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: October 11, 2022
    Inventor: Joab Jay Perdue
  • Patent number: 11459950
    Abstract: Sound attenuation panel for aircraft having a combination of acoustic attenuation properties. The acoustic panel includes an acoustic structure having a cellular structure and a resistive skin and a backing skin, the acoustic panel also including at least one auxiliary acoustic device with cavities that is configured to produce additional acoustic absorption, the auxiliary acoustic device with cavities being attached to the acoustic structure and including adjacent chambers or cavities separated by shared walls, each of the chambers or cavities having perforations and being adapted to produce acoustic absorption. The combination of the acoustic structure and the auxiliary acoustic device with cavities enables combination of the acoustic absorption properties of these two types of element and an increased range of frequencies of the noise that can be attenuated by the acoustic panel without increasing its overall size.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: October 4, 2022
    Assignee: Airbus Operations (S.A.S.)
    Inventors: Alain Porte, Jacques Lalane, Arnulfo Carazo Mendez
  • Patent number: 11459752
    Abstract: Described herein is an acoustic ceiling panel comprising: a first air-permeable body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the first body having an NRC value of at least 0.5 as measured between the first and second major surfaces of the first body; and an attenuation coating applied to the second major surface of the body and the side surface of the body, whereby the attenuation coating seals at least a portion of the second major surface and the side surface of the body.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: October 4, 2022
    Assignee: AWI Licensing LLC
    Inventors: Peter J Oleske, Robert C. Garman, Jacob D. Peterson, Stephen G. Mearig
  • Patent number: 11441515
    Abstract: A sound absorber for an engine of an aircraft, the sound absorber comprising: a base body having a bottom plate, a wall enclosing the bottom plate and an opening enabling entry of air into the base body; and a porous tongue having a fixed end connected to the wall and a free end; wherein the tongue is porous.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: September 13, 2022
    Assignee: ROLLS-ROYCE plc
    Inventor: Paul B. Murray