Patents Examined by Juan G Flores
  • Patent number: 11988195
    Abstract: A control arrangement of a wind turbine includes a watchdog including a reset module and a trigger module, wherein the watchdog reset module is configured to perform an internal reset when a sign-of-life signal is received from a remote communication system within a predetermined time limit, and wherein the watchdog trigger module is configured to issue a watchdog trigger when the predetermined time limit is exceeded; a sensor arrangement including a number of sensors configured to observe local parameters and to report local sensor data; and a wind turbine controller that initiates a local control sequence in response to the watchdog trigger, which local control sequence is configured to switch between a first mode of operation and a second mode of operation on the basis of the local sensor data. A method of operating a wind turbine is further provided.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: May 21, 2024
    Inventor: Samuel Hawkins
  • Patent number: 11982189
    Abstract: According to an aspect, a gas turbine engine includes a turbine section with a turbine case and a plurality of turbine blades within the turbine case. The gas turbine engine also includes an active clearance control system with an active clearance control cooling air supply, a valve pneumatically coupled to the active clearance control cooling air supply, and a controller. The controller is configured to determine an active cooling control schedule adjustment based on a condition of the gas turbine engine, operate the active clearance control system according to an active cooling control schedule as modified by the active cooling control schedule adjustment, apply a decay function to the active cooling control schedule adjustment to reduce an effect on the active cooling control schedule adjustment, and resume operating the active clearance control system according to the active cooling control schedule based on an active cooling control condition being met.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 14, 2024
    Assignees: RTX CORPORATION, MTU Aero Engines AG
    Inventors: Patrick D. Couture, Norman Cleesattel
  • Patent number: 11982292
    Abstract: A scroll casing for a centrifugal compressor satisfies a relationship of Tb/Ta?1.0 in a range of an angular position around a scroll center of the scroll passage from 180 degrees to 360 degrees, where Ta is a passage width of the diffuser passage along an axial direction of the centrifugal compressor, Tb is a shortest distance from a start position which is a connection position with a hub-side passage surface of the diffuser passage on an inner peripheral surface of a scroll portion forming the scroll passage to a virtual arc that touches an end position which is a position opposite to the start position on the inner peripheral surface, and the angular position is defined so that the angle gradually increases from a merging position between a scroll start and a scroll end of the scroll passage of 60 degrees to the downstream side of the scroll passage.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: May 14, 2024
    Inventor: Kenichiro Iwakiri
  • Patent number: 11976627
    Abstract: A fairing for a modular blade of a wind turbine generator, comprising including a joining zone disposed between two consecutive modules of the modular blade. The fairing is comprised of different components; the suction side fairing, the pressure side fairing and auxiliary components, such as tabs to facilitate the joining of the components. The leading edge fairing and the trailing edge fairing are constituted of an elastomeric material, preferably silicone, supported in a rigid glass fibre framework in order to absorb the warping experienced by the blade during the operation thereof. The attachment elements employed to join the fairings together and to the setbacks of the blade shell are rivets or similar. All the fairings incorporate the metal elements necessary to be equipotentially bonded, being linked to the lighting down-drop.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: May 7, 2024
    Inventors: Eneko Sanz Pascual, Javier Callen Escartín, Javier Monreal Lesmes, Ana Fernández García
  • Patent number: 11976635
    Abstract: A wind turbine blade having an electro-thermal heating element is provided. The electro-thermal heating element has a sheet of electrically resistive material, which is folded so as to provide a plurality of heat zones. Each heat zone includes one or more layers of the sheet. At least two of the heat zones have a different number of layers of the sheet.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: May 7, 2024
    Inventors: Paul Badger, Luke Spandley
  • Patent number: 11971041
    Abstract: A drag pump for pumping fluid from an inlet to an outlet includes a stator and a rotor. One of the stator or rotor includes a disc having a plurality of channels each of the channels extending from an inlet portion of the disc at or close to an inlet edge towards an outlet portion at or close to an outlet edge. The plurality of channels each has walls for guiding fluid flow from the inlet edge to the outlet edge in response to relative motion between the stator and the rotor. The disc further includes a plurality of protrusions extending from the channels, each of the protrusions being arranged to divide a channel at the inlet or the outlet end of the channel, into sub-channels that extend for a portion of a length of the channel and do not extend for a whole length of the channel.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: April 30, 2024
    Assignee: Edwards Limited
    Inventors: Michael Andrew Galtry, Miles Geoffery Hockliffe
  • Patent number: 11959490
    Abstract: A ceiling fan or similar air-moving device can include a motor for rotating one or more blades to drive a volume of air about a space. A blade iron can couple the blades to the motor. A connection assembly provides for connecting the ceiling fan blade to the blade iron. The connection assembly provides for aligning the blade with a set of fingers and can slide from a first position to a second position to secure the blade to a blade iron.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Hunter Fan Company
    Inventors: Charles William Botkin, Bobby Neal Norwood
  • Patent number: 11959400
    Abstract: The present invention relates to a fan rotor with variable pitch blades, comprising a rotor disc, equipped at its periphery with a plurality of rotary fasteners (16), each fastener (16) comprising a cell (17) for receiving the root (150) of a blade (15).
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: April 16, 2024
    Inventors: Vincent Joudon, Régis Eugène Henri Servant
  • Patent number: 11953028
    Abstract: A flow corrector (14) which includes a tubular body (40) with an entry end (42) and an exit end (44), and a plurality of parallel flow passages (54a, 54b, 54c, 54d) between the entry end and the exit end.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: April 9, 2024
    Assignee: BATTLEMAX (PTY) LTD
    Inventors: Marthinus Jacobus Buitendag, Conrad Gräbe De Villiers, Adian Brandt
  • Patent number: 11925755
    Abstract: A respiration therapy appliance having a fan for generating a respiratory air flow for carrying out respiration therapy. The fan comprises at least one rotatable fan impeller having a plurality of blade elements which are arranged on a support disk. The blade elements and/or the support disk have at least one cutout.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: March 12, 2024
    Inventor: Angela Gerlach
  • Patent number: 11927195
    Abstract: A sealing device includes a sealing main body surrounding a rotor shaft rotating about an axis from an outer periphery side. The sealing main body includes an inside surface facing an outside surface of the rotor shaft with clearance and a plurality of hole parts formed recessed to an outer side in a radial direction from the inside surface and arrayed in a circumferential direction of the inside surface and in a direction of the axis. The hole parts have an inner peripheral wall in which a spiral groove extending twisting toward the outer side in a radial direction is formed.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: March 12, 2024
    Inventors: Motomu Asahara, Naoto Omura, Makoto Iwasaki
  • Patent number: 11920609
    Abstract: An axial fan rotates around a rotating shaft. The axial fan includes a hub, and a plurality of blades extending in a radial direction from the hub. Each blade includes a leading edge, a trailing edge including a depression, and a reinforcing protrusion located at least forwardmost and having a wall thickness thicker than a surrounding portion. As viewed along a rotating shaft direction, when a first virtual line and a second virtual line perpendicular to the radial direction are drawn, the reinforcing protrusion extends radially inside of the first virtual line and extends radially outside of the second virtual line, the first virtual line and the second virtual line respectively pass through a rearmost first endpoint in the rotation direction on a radially inside of a rear end that substantially overlaps the depression, and a rearmost second endpoint on a radially outside of the rear end.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: March 5, 2024
    Assignee: Daikin Industries, Ltd.
    Inventors: Hideaki Konishi, Naomi Abe
  • Patent number: 11919620
    Abstract: A spar assembly has a spar having a tip comprising a most outboard portion of the spar, a root comprising a most inboard portion of the spar, a main section disposed inboard relative to the tip, and a middle section disposed inboard relative to the main section. The spar also has a transition section disposed between the main section and the middle section and the transition section has an outboard interface cross-sectional shape and an inboard cross-sectional shape that is different than the outboard interface cross-sectional shape.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: March 5, 2024
    Assignee: Textron Innovations Inc.
    Inventor: Jared Mark Paulson
  • Patent number: 11913469
    Abstract: An axial flow fan includes an axial flow impeller, a motor configured to drive the axial flow impeller to rotate, and a resistance member. The axial flow impeller includes a hub having a shaft hole and blades arranged at an outer peripheral wall of the hub. The motor includes a motor body and a motor shaft connected to the motor body and engaged in the shaft hole. The resistance member is arranged at the hub and close to a free end of the motor shaft. A stiffness of the resistance member is greater than a stiffness of the hub.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: February 27, 2024
    Inventor: Wendong Gao
  • Patent number: 11906200
    Abstract: A device for treating the air in a confined space has a first module and a second module that are telescopically coupled, in such a way that the two modules can slide one respect to the other in order to adjust to a different thickness of a wall that separates the inside from the outside. The device has a heat exchanger disposed in the first module, a first fan disposed in the first module downstream a filter to extract air from the outside to the inside, and a second fan disposed in the second module to extract air from the inside to the outside. The device also has a radon detector connected to a control unit that controls the two fans.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: February 20, 2024
    Inventors: Domenico Cassitta, Giovanni Piero Cassitta
  • Patent number: 11905966
    Abstract: A compressor wheel arrangement for an electrically powered turbocharger, which can be connected with a rotor shaft of the turbocharger, having a compressor wheel made of a first metallic material, a shaft made of a second metallic material, which is tightly connected with the compressor wheel, at least one permanent magnet, which is non-rotatably arranged on the section of the shaft, in a ring-shaped area around a section of the shaft that extends behind the compressor wheel, between a casing and the shaft.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: February 20, 2024
    Assignee: BorgWarner Inc.
    Inventors: Timo Breininger, Dietmar Metz, Niclas Schenkenberger, Michael Schoeps, Daniel Speller
  • Patent number: 11898543
    Abstract: A high performance hybrid turbine is provided which has an impeller towards which a fluid flow of water, air, or other fluid is conveyed for rotation of the impeller around an axis of rotation. The impeller exploits the thrusts that the fluid flow exerts on the elements constituting the impeller and the thrusts generated by a certain number of airfoils provided inside the elements of the impeller. The high performance hybrid turbine, if used as a wind turbine, can operate at much higher wind speeds than conventional wind turbines.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: February 13, 2024
    Inventors: Giancarlo Alfonsi, Agostino Lauria
  • Patent number: 11892002
    Abstract: Apparatus and methods for circulating air. The apparatus may include a ceiling fan and may include a light fixture. A motor assembly may drive the fan about a rotational axis. Blades of the fan may be fixed to an outer ring of a blade bracket. Blades may extend away from the outer ring. The blade bracket may also include a translucent blade support to which the outer ring may be fixed. The translucent blade support may be disc shaped. A blade holder adapter may fix an inner portion of the translucent blade support to the ceiling fan. The fan may be configured such that a portion of the translucent blade support may provide a view unobscured by the translucent blade support so that there may be at least partial visibility of a visible element, such as a structure, above the translucent blade support from below the apparatus.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: February 6, 2024
    Assignee: Wangs Alliance Corporation
    Inventors: Mark Gajewski, Alexander Ostrovsky
  • Patent number: 11891980
    Abstract: Systems, methods, and non-transitory computer readable media including instructions for synchronizing a plurality of geographically-associated fluid turbines.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: February 6, 2024
    Inventors: Mark Daniel Farb, Jonathan Forbes
  • Patent number: 11885297
    Abstract: An anchoring and lifting system for a wind turbine tower having a tower base; a plurality of base anchors attached to the tower base; an anchor outrigger attached to and extending laterally outward from the tower base; at least one secondary anchor attached to the anchor outrigger; a lifting outrigger attached to a hinge wherein the hinge connects the tower base and a tower for moving the tower between a raised position and a lowered position; a static cable connected between a distal end of the lifting outrigger and a hub attached to the tower; and, a lifting cable attached between the distal end of the lifting outrigger and a winch, wherein the winch is carried by the tower base.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: January 30, 2024
    Inventor: Gerald L. Barber