Patents Examined by Woody A Lee, Jr.
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Patent number: 11933315Abstract: Provided is an axial fan including: a motor; and an impeller for sending air in an air-blowing direction, wherein the impeller includes: a base covering the motor; and plural blades mounted on an outer peripheral surface of the base, a wind receiving surface of the blade includes a concave portion recessed toward a downstream side in the air-blowing direction, a bottom point of the concave portion is located downstream in the air-blowing direction relative to a first imaginary line perpendicular to the air-blowing direction, the first imaginary line being drawn in a radial direction from a joint position of the blade where the wind receiving surface and the outer peripheral surface of the base merge, and the bottom point is displaced from inward to outward in the radial direction, in going from upstream to downstream in the air-blowing direction, until reaching a radially central part of the blade.Type: GrantFiled: June 20, 2022Date of Patent: March 19, 2024Assignee: SANYO DENKI CO., LTD.Inventor: Yoshihisa Yamazaki
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Patent number: 11925986Abstract: The invention relates to a method for manufacturing a turbine engine blade (16) including an active-surface wall (17) and a passive-surface wall (18) separated from one another, this blade (16) including a tip that has a closing wall grouping together the active-surface (17) and passive-surface (18) walls in the region of this tip to define the bottom (23) of a bathtub tip shape located at the tip of the blade, the method comprising a moulding step implementing a core defining the bathtub tip shape. According to the invention, there is a step of adding metal to the bottom (23) of the bathtub tip by means of a Direct Laser Additive Manufacturing (CLAD) method, to deposit material onto the bottom of the bathtub tip to form therein an inner partition (28) supported by the bottom thereof (23).Type: GrantFiled: June 27, 2016Date of Patent: March 12, 2024Assignee: SAFRAN AIRCRAFT ENGINESInventors: Matthieu Jean Luc Vollebregt, Coralie Guerard, Patrick Emilien Paul Emile Huchin
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Patent number: 11927202Abstract: A fan guard for a fan container includes a housing and a plurality of wings. The housing has a hollow interior defined by a cylindrical inner surface. The housing extends longitudinally between a first housing end and a second housing end. The plurality of wings is positioned within the hollow interior of the housing. Each wing of the plurality of wings extends radially, from a center of symmetry of the cylindrical inner surface to the cylindrical inner surface. Each wing of the plurality of wings is radially curved between the first housing end and the second housing end.Type: GrantFiled: August 5, 2020Date of Patent: March 12, 2024Assignee: QUANTA COMPUTER INC.Inventors: Chao-Jung Chen, Yu-Nien Huang, Herman Tan
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Patent number: 11920500Abstract: A passive flow modulation device for a machine defining an axial direction and a radial direction, the passive flow modulation device including: a first ring with a first coefficient of thermal expansion; a second ring disposed coaxially with the first ring and positioned at least partially inward of the first ring along the radial direction, spaced from the first ring along the axial direction, or both, the first ring, the second ring, or both defining at least in part one or more passages, the second ring with a second coefficient of thermal expansion that is less than the first coefficient of thermal expansion to passively modulate a size of the one or more passages during operation.Type: GrantFiled: August 30, 2021Date of Patent: March 5, 2024Assignee: General Electric CompanyInventors: Steven Douglas Johnson, Yu-Liang Lin, Craig Alan Gonyou, Scott Alan Schimmels, Jeffrey Douglas Rambo, Brian Gregg Feie
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Patent number: 11920491Abstract: A gear assembly for use with a turbomachine comprises a sun gear, a plurality of planet gear layshafts that each support a first stage planet gear and a second stage planet gear, and a ring gear. The sun gear is configured to rotate about a longitudinal centerline of the gear assembly, and the plurality of planet gear layshafts comprise an interior passage that receives one or more lubrication supply lines.Type: GrantFiled: June 8, 2022Date of Patent: March 5, 2024Assignee: GE Avio S.r.l.Inventors: Pietro Molesini, Fabio De Bellis, Andrea Piazza
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Patent number: 11920573Abstract: A pressure exchanger (1) including a housing (2), a drive shaft (3) and a cylinder drum (4) rotatably arranged in the housing (2) is described, the cylinder drum (4) including two front faces and at least one cylinder (5) between the front faces, wherein the housing (2) includes a port flange (7, 8) at each end of the cylinder drum (4) and at least at one end of the cylinder drum (4) a pressure shoe (18) is arranged between the cylinder drum (4) and the port flange of this end. Such a pressure exchanger should be operated in a cost-effective manner. To this end an adjustable stop arrangement (19) is arranged between the pressure shoe (18) and the cylinder drum (4).Type: GrantFiled: January 24, 2022Date of Patent: March 5, 2024Assignee: Danfoss A/SInventors: Poul Erik Hansen, Tommi Kolb
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Patent number: 11920498Abstract: Methods, apparatus, systems and articles of manufacture are disclosed. An example apparatus includes a compressor comprising a rotor defining a radial direction and a circumferential direction, the rotor including a slot; a first blade and a second blade disposed in the slot, the first blade including a first platform and a first dovetail, the second blade including a second platform and a second dovetail; and a hollow block disposed circumferentially between the first blade and the second blade in the slot, the hollow block including: a platform interface portion to interface with the first platform and the second platform, the platform interface portion including a central opening defined by a circumferential face of the platform interface portion; and a hollow dovetail interface portion to couple the first dovetail and the second dovetail.Type: GrantFiled: September 29, 2022Date of Patent: March 5, 2024Assignee: General Electric CompanyInventor: Arvind N
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Patent number: 11913343Abstract: A replaceable rotor blade tip clearance measurement device for a gas turbine engine, includes a threaded section along an axis and an integral abradable tip with an internal lattice geometry that extends from the threaded section along the axis.Type: GrantFiled: October 3, 2019Date of Patent: February 27, 2024Assignee: RTX CorporationInventors: Jose R. Paulino, Veronika Reynolds, Jason David Liles
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Patent number: 11913458Abstract: The present disclosure relates to a pump. The pump of the present disclosure includes: a housing; an impeller disposed in the housing and rotating to generate a flow of fluid; and a pump motor configured to rotate the impeller, wherein the impeller includes: a first plate having a disk shape; a boss extending vertically from a center of the first plate, and coupled to a rotating shaft of the pump motor; a plurality of blades extending from an outer circumferential surface of the boss in a radial direction of the first plate; and a second plate having a surface parallel to the first plate, spaced apart from the first plate by a predetermined distance, and connected to the plurality of blades.Type: GrantFiled: January 29, 2021Date of Patent: February 27, 2024Assignee: LG ELECTRONICS INC.Inventor: Changjoon Kim
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Patent number: 11905850Abstract: An arrangement reduces oscillation (vibration) of an oscillatory structure. The arrangement has a structure having at least one mode in at least one direction; and an oscillation-reducing device (vibration-reducing device). The oscillation-reducing devices has a housing formed by or provided on the structure, a cavity, and a body configured for making impact contacts with the housing and disposed in the cavity in such a manner that the body is configured to make impact contacts with the housing at least temporarily for as long as the structure is excited in the at least one mode in the at least on direction.Type: GrantFiled: May 13, 2022Date of Patent: February 20, 2024Assignee: MTU AERO ENGINES AGInventors: Andreas Hartung, Hans-Peter Hackenberg, Malte Krack, Timo Theurich
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Patent number: 11898464Abstract: In one exemplary embodiment of the present disclosure an airfoil is provided. The airfoil defines a spanwise direction, a root end, and a tip end. The airfoil includes: a body defining a pressure side and a suction side and extending along the spanwise direction between the root end and the tip end, the body formed of a composite material; and a spar enclosed in the body of the airfoil extending along the spanwise direction, the spar comprising a plurality of spar segments arranged in an overlapping configuration along the spanwise direction.Type: GrantFiled: April 16, 2021Date of Patent: February 13, 2024Assignee: General Electric CompanyInventors: Nicholas Joseph Kray, Nitesh Jain
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Patent number: 11898458Abstract: An integrally bladed rotor includes a rotor disk, rotor blade, internal channel and air outlets. The rotor blade includes a body defined by a pressure surface and suction surface between a leading edge and a trailing edge. The internal channel extends radially from the rotor disk internally within the body of the rotor blade. The air outlets are formed proximate the leading edge and extend within the body of the rotor blade to the internal channel.Type: GrantFiled: August 10, 2022Date of Patent: February 13, 2024Assignee: Hamilton Sundstrand CorporationInventors: Jeremy Clavette, Viktor Kilchyk
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Patent number: 11898492Abstract: Provided are fluid exchange apparatuses and methods of exchanging fluids between streams. Exemplary fluid exchange apparatus includes a first interleaved pathway with a plurality of first passages, and a second interleaved pathway with a plurality of second passages, in which the plurality of first passages and the plurality of second passages interleave with one another. Exemplary methods include directing a first fluid through a first interleaved pathway of a fluid exchange apparatus and directing a second fluid through a second interleaved pathway of a fluid exchange apparatus. The first fluid may flow from an upstream portion of a first duct into the first interleaved pathway and may discharge into a downstream portion of the second duct. The second fluid may flow from an upstream portion of the second duct into the second interleaved pathway and may discharge into a downstream portion of the first duct.Type: GrantFiled: August 26, 2022Date of Patent: February 13, 2024Assignee: General Electric CompanyInventor: Jeffrey Douglas Rambo
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Patent number: 11898462Abstract: An impeller for a centrifugal compressor, the impeller rotatable about a central axis, has: an outer hub body including a first material and extending around the central axis, the outer hub body defining a gaspath face extending from an inlet to an outlet, the gaspath face extending radially away from the central axis from the inlet to the outlet; blades protruding from the gaspath face and circumferentially distributed around the central axis; and an inner hub body extending around the central axis, the inner hub body secured to the outer hub body, the outer hub body axially overlapping and extending around the inner hub body, the inner hub body made of a second material being more cold dwell resistant than the first material.Type: GrantFiled: October 22, 2021Date of Patent: February 13, 2024Assignee: PRATT & WHITNEY CANADA CORP.Inventor: Farid Abrari
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Patent number: 11885343Abstract: A centrifugal compressor includes: a housing including an intake flow path; a compressor impeller disposed in the intake flow path; an accommodation chamber formed upstream of the compressor impeller in the housing; a movable member disposed in the accommodation chamber and configured to be movable between a retracted position where the movable member is retracted from the intake flow path and a protruding position where the movable member protrudes from the accommodation chamber into the intake flow path, the protruding position being located closer to the intake flow path with respect to the retracted position, and a contacting portion and a non-contacting portion provided on an accommodation chamber opposing surface of the accommodation chamber, the accommodation chamber opposing surface being positioned upstream of the movable member, the contacting portion being contactable with the movable member, the non-contacting portion being non-contactable with the movable member.Type: GrantFiled: December 13, 2021Date of Patent: January 30, 2024Assignee: IHI CorporationInventors: Ryota Sakisaka, Takashi Fujiwara, Atsushi Yonemura, Takahiro Bamba
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Patent number: 11884410Abstract: Dual function links for gas turbine engine mounts are disclosed. An example apparatus for mounting a casing of a gas turbine engine to a pylon, the apparatus includes a first pin and a linkage including a first linkage portion including the first pin, a second linkage portion, the second linkage portion forming a first load path between the gas turbine engine and the pylon, the second linkage portion arranged with respect to the first linkage portion such that a gap prevents the first linkage portion from forming a second load path between the gas turbine engine and the pylon.Type: GrantFiled: February 4, 2022Date of Patent: January 30, 2024Assignee: General Electric CompanyInventors: Srinivas Addagatla, Ravindra Shankar Ganiger, Anil Soni, Sharad Tiwari, Jonathan E. Coleman
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Patent number: 11885239Abstract: The invention relates to a turbomachine rotary-fan blade having a predetermined breaking zone, which extends from the upstream edge along a given length and from the blade-tip edge over a given height. According to the invention, the body is made of a composite material comprising a fibre reinforcement obtained by three-dimensional weaving of warp and weft strands, and a resin matrix in which the fibre reinforcement is embedded, and has, in or in the vicinity of the zone, a discontinuity of at least some of the strands, configured such that the zone partially detaches when there is tangential friction in the thickness direction against the blade-tip edge, the height being less than 3% of the aerodynamic stream height of the blade.Type: GrantFiled: November 18, 2020Date of Patent: January 30, 2024Assignee: SAFRAN AIRCRAFT ENGINESInventors: Guillaume Pascal Jean-Charles Gondre, Thomas Alain De Gaillard, Pierre Jean Faivre D'Arcier
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Patent number: 11885233Abstract: A turbine engine with at least a compressor section, combustor section, turbine section and a set of airfoils. The airfoils include geometric characteristics to create a high contraction ratio (CR), a low blade turning (BT) at a radially inward location the airfoil, a low solidity, or a low aspect ratio (AR).Type: GrantFiled: July 28, 2022Date of Patent: January 30, 2024Assignees: General Electric Company, GE Avio S.r.l.Inventors: Ernesto Sozio, Francesco Bertini, Jeffrey Donald Clements, Jonathan Ong, Lyle Douglas Dailey, Paul Hadley Vitt, Matteo Renato Usseglio
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Patent number: 11887571Abstract: Acoustic structures for a gas turbine engine are disclosed. In various embodiments, the acoustic structures comprise a panel in the form of a cellular structure having a plurality of cells; and a housing configured to house the cellular structure, the housing including a first rail configured for attachment to a static structure within the gas turbine engine and a second rail configured for attachment to the static structure. In various embodiments, the acoustic structures comprise a liner in the form of a non-segmented or two-piece structure configured to extend about the inner barrel of a nacelle structure. The disclosed panels and liners are configured to maximize the operational area of the acoustic structures by eliminating obstructions from adjacent flow paths.Type: GrantFiled: September 30, 2020Date of Patent: January 30, 2024Assignee: RTX CORPORATIONInventor: Anthony R. Bifulco
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Patent number: 11879343Abstract: A fan assembly includes a fan duct, an inlet fan, an outlet guide vane assembly, and a control system. The inlet fan includes fan blades adapted to rotate about a central axis to force fan exit air toward an aft end of the fan duct. The outlet guide vane assembly is located in the fan duct downstream of the inlet fan and is configured to adjust a direction of the fan exit air. The outlet guide vane assembly includes a plurality of guide vanes that extend radially relative to the central axis and are configured to rotate to a first vane-pitch angle. The control system is configured to rotate the guide vanes redirect the fan exit air, vary a pressure downstream of the fan inlet, minimize intake flow distortion experienced by the inlet fan, reduce inlet fan vibratory response and/or improve fan operability margins.Type: GrantFiled: August 25, 2021Date of Patent: January 23, 2024Assignee: Rolls-Royce CorporationInventors: Christopher D. Hall, William B. Bryan, Daniel E. Molnar, Jr.