Patents Examined by Edgardo San Martin
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Patent number: 11962206Abstract: A device for modeling hairpins promoting insertion of winding sets of the hairpins on a stator or rotor to allow an increased filling of the slot space in an assembly of winding sets on the stator or rotor is provided. Application relates to electric stators or rotors, and any device using electric wires having any gauge.Type: GrantFiled: June 20, 2019Date of Patent: April 16, 2024Assignee: TECNOMATIC S.P.A.Inventors: Giovanni Ruggieri, Francesco Lucchetti, Maurilio Micucci, Giuseppe Ranalli
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Patent number: 11951778Abstract: A sound absorber is configured as a rectangular hexahedral box and forms a porous double-layer Helmholtz resonance sound absorbing structure, at the same time, the sound absorber in the form of a box forms a structural resonance sound absorbing device itself, and the first-order natural mode frequency of the device is identical to that of a wheel air chamber. When the box-type sound absorbing structure is assembled in a wheel, double functions of absorbing acoustic resonance of the wheel air chamber under the organic combination of Helmholtz resonance sound absorption and structural resonance sound absorption can be realized.Type: GrantFiled: January 19, 2020Date of Patent: April 9, 2024Assignee: CITIC Dicastal Co., LTDInventors: Shiwen Xu, Mingbo Chen, Minglei Li, Shaobing Huang, Tiefeng Hu, Shuwei Feng, Dadong Wang, Weidong Liu
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Patent number: 11942879Abstract: A circuit for cooling is disclosed. The circuit uses a pulse generator in combination with a conductor. A cooling effect of the circuit on the conductor can be used and can be used in conjunction with a Carnot or Stirling engine. A resultant energy applied to a load is larger than the energy supplied by the pulse generator due to the absorption of external energy by the conductor.Type: GrantFiled: April 17, 2023Date of Patent: March 26, 2024Assignee: Calagen, Inc.Inventors: David Reginald Carver, Sean William Reynolds, Sean Claudius Hall
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Patent number: 11932399Abstract: A sandwich panel for an aircraft turbojet nacelle includes an outer skin in contact with an air flow, an inner skin opposed to the outer skin, and an intermediate system comprising partitions connecting the inner and outer skins so as to form cells, the inner skin of at least one cell having at least one corrugation configured to allow the materials making up the sandwich panel to deform in the event of thermal variation.Type: GrantFiled: August 26, 2021Date of Patent: March 19, 2024Assignees: Safran Nacelles, Safran CeramicsInventors: Bertrand Desjoyeaux, Davi Silva De Vasconcellos, François Taillard, Florent Bouillon
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Patent number: 11933566Abstract: A firearm suppressor including an array of ported baffles and chambers in the suppressor assembly that may mitigate deleterious effects of gas pressure imbalances common in firearm suppressors. The suppressor may impart desirable noise suppression, gas balancing, and barrel heating characteristics to a firearm.Type: GrantFiled: February 2, 2018Date of Patent: March 19, 2024Inventor: Bernard De Sousa
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Patent number: 11937046Abstract: A sound diffuser includes a first annular control member, a second annular control member, and a third annular control member. The first annular control member includes a first communication hole and an annular inclined plate that surrounds the first communication hole and is inclined relative to an axial direction of the first communication hole. The second annular control member includes a second communication hole and an annular inclined plate that surrounds the second communication hole, houses the first annular control member therein, and is inclined relative to an axial direction of the second communication hole. The third annular control member has a plurality of third communication holes and surrounds the second annular control member.Type: GrantFiled: February 1, 2022Date of Patent: March 19, 2024Assignee: YAMAHA CORPORATIONInventors: Kenta Ioku, Masumi Adachi
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Patent number: 11931199Abstract: The invention discloses a novel passive sound transformer, either a sound-booster or a sound-silencer, embodied as an acoustic waveguide, a specific shape of which provides for either amplifying the intensity of acoustic waves at the expense of both the heat energy and the concomitant turbulence of moving fluid wherein the amplified intensity of the acoustic waves is manifested as sound loudness boosting or, contrarywise, transforming the wave power of elastic waves into the heat of the ambient fluid.Type: GrantFiled: January 28, 2021Date of Patent: March 19, 2024Inventor: Yuri Abramov
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Patent number: 11909284Abstract: A flat-type stator with multilayer coils for a disc-type motor is provided with a stator coil and a flat stator base, wherein a coil assembly is arranged in the stator coil, and a plurality of coil assemblies are arranged in a ring or in a straight line on the stator base; the coil assembly is formed by stacking even-numbered layers of single coils overlapped with the stator base in a vertical direction, each single coil is composed of even-numbered layers of single-layer coils wound by a single wire, and the single-layer coil is provided with a single axial wire; metal wires are sequentially connected in series among the plurality of coil assemblies to form a coil unit, the single coils in the coil unit have a same structure and a same shape and are not overlapped axially.Type: GrantFiled: July 23, 2021Date of Patent: February 20, 2024Inventor: Renwei Yu
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Patent number: 11891162Abstract: Systems and methods are provided for septa for acoustic cells. One embodiment is a method that includes fabricating a septum of a cell of an acoustic panel, by heating a material into a molten material, depositing the molten material to form a lower chamber of the septum that extends vertically upwards and includes an entry, iteratively depositing layers of the molten material, each layer comprising a filament at the entry that includes overhangs with respect to vertically adjacent layers, and forming openings at locations of the overhangs.Type: GrantFiled: May 10, 2021Date of Patent: February 6, 2024Assignee: The Boeing CompanyInventors: Zachary B. Renwick, Brandon L. Bertolucci, Eric Herrera, Michael William Hayes, John C. Waldrop, III, Matthew Scott Thompson
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Patent number: 11885264Abstract: An acoustic core has a plurality of cell walls formed of an additive-manufacturing material and a resonant space defined by the plurality of cell walls. At least some of the resonant cells have sound-attenuating protuberances formed of an excess amount of the additive-manufacturing material having been intentionally introduced to the cell walls and protruding into the resonant space with a semi-random orientation and/or size.Type: GrantFiled: May 28, 2021Date of Patent: January 30, 2024Assignee: General Electric CompanyInventors: Wendy Wenling Lin, Shanmugam Murugappan, Robert William Davidoff, Graham Frank Howarth, Andrew Michael Roach
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Patent number: 11885120Abstract: A sound attenuation material includes a plurality of particles, each having a core and an elastic or compliant coating around the core, and a matrix surrounding the plurality of particles, the matrix being less dense than the core. A method of manufacturing sound attenuating materials includes adding an elastic or compliant coating to core particles and drying and/or curing the coating, mixing the coated core particles into a matrix material, and pouring the mixture into a mold. The core particles are denser than the matrix material.Type: GrantFiled: August 13, 2021Date of Patent: January 30, 2024Assignee: Oceanit Laboratories, Inc.Inventors: Jacob Kumar Pollock, Raphael Rodriguez, Bryce Davis, Erika Brown, El Hadj Fofana
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Patent number: 11879419Abstract: An engine intake structure comprises an intake passage member 18 which defines an intake passage 36 for supplying air to an internal combustion engine 12, and which also defines a resonator chamber 40 in communication with the intake passage 36; and an in-vehicle device 14 located in an engine room 10 of a vehicle and having a preset reference temperature for temperature control, the intake passage member 18 being located above and adjacent to the in-vehicle device 14. The intake passage 36 extends above the in-vehicle device 14 so as to at least partially overlap the resonator chamber 40 as viewed in a vertical direction, thereby forming a two-layer structure, which makes the in-vehicle device 14 less affected by ambient temperature in the upper part of the engine room 10.Type: GrantFiled: November 5, 2020Date of Patent: January 23, 2024Assignee: HONDA MOTOR CO., LTD.Inventor: Keisuke Itagaki
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Patent number: 11879438Abstract: Methods for replacing a Wye-ring of a wind turbine generator preferably, but not necessarily, in-situ are described along with a combination of three arcuate Wye-ring sections that when assembled comprise a Wye-ring. The method after gaining access to the Wye-ring typically comprises: removing all or most of the damaged Wye-ring; installing the replacement sections typically by welding or brazing them in place; insulating the new ring; installing new blocking; and adhesively securing the new blocking in place.Type: GrantFiled: November 11, 2020Date of Patent: January 23, 2024Inventor: Christopher Hodges
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Patent number: 11879412Abstract: A ring assembly has a housing made of woven composite material carrying on its radially inner face an acoustic panel with a cellular structure covered with a composite material. The housing includes at least one radial recess in which is engaged at least one radially outwardly projecting part of the radially outer face of the acoustic panel.Type: GrantFiled: February 7, 2020Date of Patent: January 23, 2024Assignee: SAFRAN AIRCRAFT ENGINESInventors: Anwer Siraj, Clément Bourolleau, Serge Domingues, Vincent Pascal Fiore, Florent Louis André Rognin
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Patent number: 11877121Abstract: This speaker system includes: a speaker device that is disposed outside a region of a projection surface on which a display surface of a display is projected, the speaker device functioning as a real sound source; and a reflector that has a reflection surface reflecting a sound output from the speaker device, the reflector localizing a sound image of a virtual sound source within the region of the projection surface. The reflector has an elliptical reflection surface in at least a part of the reflection surface. With this configuration, the sound output from the speaker device disposed outside the region of the projection surface is reflected on the reflector, and a sound image thereof is localized within the region of the projection surface, whereby it is possible to bring a display position of a video into alignment with an output position of the sound. Thus, a comfortable viewing state can be ensured for a viewer.Type: GrantFiled: October 12, 2020Date of Patent: January 16, 2024Assignee: Sony Group CorporationInventors: Kazunobu Ookuri, Kohei Asada, Masaki Kamata, Hiroyuki Shirakawa
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Patent number: 11871180Abstract: Supercoupling waveguides are provided in which acoustic impedance at an acoustic input port matches the acoustic impedance at an acoustic output port, where the acoustic path extending from the acoustic input port to the acoustic output port has a variable length. The supercoupling waveguides may be used in methods of sensing and measuring, and may be incorporated into sensors.Type: GrantFiled: December 3, 2019Date of Patent: January 9, 2024Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Matthew S. Byrne, Hussein Esfahlani, Andrea Alu
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Patent number: 11869470Abstract: An acoustic system includes a duct that has a function of causing a fluid to flow therein and has a tubular shape, an internal sound source that is disposed inside the duct on an upstream side or at an outer peripheral portion of the duct, which communicates with an inside of the duct on the upstream side, or an external sound source that is on an outside from an end portion of the duct, and a membrane-shaped member that is formed as a part of a wall of the duct and vibrates in response to sound. A structure including the membrane-shaped member and a rear surface closed space thereof causes acoustic resonance to occur, transmits the acoustic resonance from the sound source into the duct, and suppresses sound radiated from the other end portion of the duct on a downstream side. The external sound source is at a distance within a wavelength at a frequency of the acoustic resonance on the outside from the end portion of the duct.Type: GrantFiled: April 16, 2021Date of Patent: January 9, 2024Assignee: FUJIFILM CorporationInventors: Shinya Hakuta, Yoshihiro Sugawara, Akihiko Ohtsu, Shogo Yamazoe
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Patent number: 11863090Abstract: A circuit for generating electrical energy is disclosed. The circuit uses a pulse generator in combination with an etalon. The etalon can be a tube can have material therein, such as solid material or fluid passing therethrough. A thyristor or other negative resistance can be in series with the etalon to increase a change of voltage with respect to time. A resultant energy applied to a load is larger than the energy supplied by the pulse generator due to the absorption of external energy by the etalon.Type: GrantFiled: January 10, 2022Date of Patent: January 2, 2024Assignee: Calagen, Inc.Inventors: David Reginald Carver, Sean William Reynolds, Sean Claudius Hall
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Patent number: 11859524Abstract: A method for automatically changing the engine exhaust sound in conjunction with the traveling mode implemented by the exhaust system applied to the vehicle may vary the valve opening of an electronic variable valve provided in a first tail pipe of first and second tail pipes of muffler discharging the exhaust gas coming from an engine by a mode recognition logic connected to an engine ECU to the atmosphere, and control the variation of the valve opening with the engine torque and the engine RPM based on a change in an accelerator pedal stroke in any one of a SMART DRIVE MODE-ECO state, a SMART DRIVE MODE-COMFORT state, and a SMART DRIVE MODE-SPORT state, implementing a quiet engine exhaust sound and a sporty engine exhaust sound depending on various vehicle traveling states provided by the SMART DRIVE MODE and increasing vehicle/engine outputs.Type: GrantFiled: January 6, 2021Date of Patent: January 2, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Hyeon-Gyun Ahn
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Patent number: 11863932Abstract: Provided is a sound-absorbing material, including a metal-organic framework material having a microporous structure. The metal-organic framework material includes a coordinated metal M and organic framework materials (OFs) coordinated with the coordinated metal. The microporous structure includes a plurality of uniformly distributed micropores, and a diameter of each of the plurality of micropores is within a range of 0.3 nm to 1.2 nm. The sound absorbing material including the metal-organic framework material can be added into a speaker to increase the acoustic compliance of air in a rear cavity of the speaker, thereby improving the performance of the speaker in a low frequency range.Type: GrantFiled: December 27, 2021Date of Patent: January 2, 2024Assignee: AAC Microtech (Changzhou) Co., Ltd.Inventor: Hezhi Wang