Patents Examined by Aye S Htay
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Patent number: 11976591Abstract: An air inlet manifold and a gas turbine including the same, capable of preventing transmission of vibration from the gas turbine to the air inlet manifold, while at the same time preventing air leakage, and the air inlet manifold is installed to be spaced apart from the compressor and relatively movable, as the anti-vibration pad in a compressed state is interposed between the air inlet manifold and the compressor.Type: GrantFiled: February 24, 2023Date of Patent: May 7, 2024Assignee: DOOSAN ENERBILITY CO., LTD.Inventor: Young Do Lee
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Patent number: 11976564Abstract: A rotor assembly includes a first component, a second component, and a splined balance weight. The first component is arranged circumferentially around a central axis. The second component is arranged circumferentially around the central axis. The splined balance weight is located radially between the first component and the second component.Type: GrantFiled: March 30, 2023Date of Patent: May 7, 2024Assignee: Rolls-Royce North American Technologies Inc.Inventors: Eric Thurston, Jonathan Acker, Eric Engebretsen, Aaron Weishaar
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Patent number: 11970972Abstract: A scupper suitable for a bearing compartment of a gas turbine engine includes a windage blocker in a gutter section upstream of a drain hole, the windage blocker extends from a wall of the gutter section. A method for capturing wept oil in a bearing compartment of a gas turbine engine includes positioning a windage blocker adjacent to a drain hole forming a passage space and increasing a pressure upstream of the windage blocker to generate a vortex downstream of the windage blocker creating an oil re-circulation zone promoting oil drainage into the drain hole.Type: GrantFiled: October 23, 2019Date of Patent: April 30, 2024Assignee: RTX CorporationInventors: Andrew V. Schwendenmann, Todd A. Davis, Ryan Lureau, Reade W. James
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Patent number: 11933219Abstract: A stator configuration for a gas turbine engine including: a splitter segment, the splitter segment extending from a forward end to a rearward end; a forward most first stator extending radially outwardly from the splitter segment, the forward most first stator being completely located downstream from the forward end of the splitter segment; and a forward most second stator extending radially inwardly from the splitter segment, the splitter segment, the forward most first stator and the forward most second stator being formed as a single, integrally formed structure, the forward most first stator positioned closer to the forward end relative to a distance between the forward most second stator and the forward end and the forward most second stator positioned closer to the rearward end relative to a distance between the forward most first stator and the rearward end.Type: GrantFiled: August 1, 2022Date of Patent: March 19, 2024Assignee: RTX CORPORATIONInventors: Colin G. Amadon, Michael C. Firnhaber
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Patent number: 11933187Abstract: A bearing housing cover for a gas turbine engine having an impeller. The bearing housing comprises an annular collar having a flange mountable to an exterior surface of a bearing housing. The bearing housing further comprises an impeller baffle integrated with the annular collar, the impeller baffle having an annular body with a front baffle face positionable adjacent a rear face of the impeller, a rear baffle face having a plurality of stiffening elements extending between the rear baffle face and the annular collar, and a central baffle opening.Type: GrantFiled: December 18, 2020Date of Patent: March 19, 2024Assignee: PRATT & WHITNEY CANADA CORP.Inventors: Oleg Morenko, Sandeep Vishal Dhalla
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Patent number: 11920492Abstract: A mounting assembly is provided. The mounting assembly includes a first flange; a second flange; a first asymmetric spacer; a second asymmetric spacer; and a bolt configured to pass through a void of the first asymmetric spacer starting at a first end, through at least one first opening of the first flange, through at least one second opening of the second flange, through a void of the second asymmetric spacer starting at a second end, and to be coupled to a nut, such that, in response to the nut being fastened to the bolt, the bolt bends due to a non-vertical slope of the first asymmetric spacer and a non-vertical slope of the second asymmetric spacer.Type: GrantFiled: March 20, 2023Date of Patent: March 5, 2024Assignee: RTX CORPORATIONInventors: Jason B. Husband, Michael D. Greenberg
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Patent number: 11905970Abstract: A diffuser includes a lower element and an upper element. The upper element is fixed on the lower element, and the upper element and the lower element are formed separately. The lower element includes a lower inner wall and a lower outer wall, and the upper element includes an upper inner wall and an upper outer wall. The upper inner wall is connected to the lower inner wall to form an internal air-guiding surface, the upper outer wall is connected to the lower outer wall to form an external air-guiding surface, and the internal air-guiding surface is disposed opposite to the external air-guiding surface to define an air-guiding channel for air flow diffusion. The upper element further includes an upper air-guiding wing for connecting the upper inner wall and the upper outer wall, and the lower element further includes a lower air-guiding wing for connecting the lower inner wall and the lower outer wall.Type: GrantFiled: March 16, 2020Date of Patent: February 20, 2024Assignees: GD MIDEA ENVIRONMENT APPLIANCES MFG CO., LTD., MIDEA GROUP CO., LTD.Inventors: Hai Dou, Lie Ma, Chen Shao
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Patent number: 11897603Abstract: A convertible ducted fan engine and mounting system. The convertible ducted fan engine has a shroud encircling a mechanical fan. The convertible ducted fan engine includes a fluid-propulsion configuration in which the mechanical fan rotates freely with respect to the shroud to produce thrust through fluid flow, and a drive-wheel configuration in which the shroud rotates about the rotational axis.Type: GrantFiled: May 11, 2023Date of Patent: February 13, 2024Assignee: Hyalta Aeronautics, Inc.Inventors: Scott R. Kempshall, Nicholas Pfeifer
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Patent number: 11898576Abstract: A centrifugal fan and an air conditioning apparatus are provided. The centrifugal fan includes a top plate, a baseplate, a motor, a flow guiding cover, and a plurality of blades. A motor mounting hole is disposed at a central position of the baseplate, and the motor has a motor housing. The motor housing is mounted on the motor mounting hole and is fastened to the baseplate, and the motor at least partially extends between the baseplate and top plate. The blades are fastened between the top plate and the baseplate, and the plurality of blades are disposed around the motor. The flow guiding cover is sheathed on an outer peripheral side of the motor housing, and is detachably mounted on the baseplate.Type: GrantFiled: December 10, 2021Date of Patent: February 13, 2024Assignees: Huawei Digital Power Technologies Co., Ltd., Fans-tech Electric Co., Ltd.Inventors: Huanwen Huang, Hsienchou Lin, Jingyi Luo
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Patent number: 11885349Abstract: A compressor for an aircraft engine, has: a dual-impeller having: a first impeller having a first inlet and a first outlet located radially outwardly of the first inlet, and a second impeller rotatable with the first impeller, the second impeller having a second inlet and a second outlet located radially outwardly of the second inlet, the first inlet and the second inlet facing opposite axial directions; and first conduits having first conduit inlets and first conduit outlets, the first conduit inlets fluidly connected to the first outlet of the first impeller, the first conduit outlets fluidly connected to the second inlet of the second impeller; and second conduits having second conduits inlets fluidly connected to the second outlet of the second impeller, a second conduit of the second conduits disposed circumferentially between two adjacent first conduits of the first conduits.Type: GrantFiled: August 18, 2022Date of Patent: January 30, 2024Assignee: PRATT & WHITNEY CANADA CORP.Inventor: Milos Ivankovic
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Patent number: 11873792Abstract: A platform for a tower of a wind turbine is provided, wherein the platform is adapted for a hanging arrangement inside the tower and includes at least one support for supporting the platform in a horizontal direction against a tower wall, wherein the support includes a foot section for contacting the tower wall, an abutment section attached to the platform, and a pretensioner, wherein the pretensioner preloads the foot section against the abutment section with a pretension force directed towards the tower wall, wherein the foot section is moveable at least sectionally towards the platform when a force directed towards the platform and acting on the foot section exceeds the pretension force.Type: GrantFiled: June 24, 2022Date of Patent: January 16, 2024Inventor: Matthias Lenssen
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Patent number: 11852146Abstract: A pump housing device for a fluid pump comprises a rear wall element comprising a rear surface turned towards an impeller. The rear wall element comprises an opening defining a cylindrical surface along a longitudinal central axis. The opening receives a rotating drive shaft of the impeller. A static seal element has a plane seal surface that seals against a plane seal surface of a rotary seal element mounted to the drive shaft and rotating with the drive shaft. The plane seal surface of the static seal element is turned away from the rear surface. One or more grooves extend through the rear wall element and through the rear surface and the cylindrical surface. Each groove has a bottom line that extends from the rear surface to the cylindrical surface.Type: GrantFiled: April 9, 2019Date of Patent: December 26, 2023Assignee: Velcora Holding ABInventors: Rifet Mehmedovic, Pedram Azadrad, Henrik Nedlich, Poul Anton Daugaard, Jesper Raabjerg Jensen
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Patent number: 11828264Abstract: A rotor blade includes a first blade segment and a second blade segment extending in opposite directions from a chord-wise joint. Each of the first and second blade segments has at least one shell member defining an airfoil surface. The first blade segment includes a beam structure having a receiving end with at least one span-wise extending pin extending therefrom. The second blade segment includes a receiving section that receives the beam structure. The receiving section includes a chord-wise member having a pin joint slot defined therethrough. The pin joint slot receives the span-wise extending pin at the receiving end of the beam structure so as to secure the first and second blade segments together. Moreover, the chord-wise member, the pin joint slot, and/or the span-wise extending pin includes at least one compliant structure formed of a compliant material that allows a deformation thereof to follow a shear deformation of the rotor blade.Type: GrantFiled: November 1, 2018Date of Patent: November 28, 2023Assignee: General Electric CompanyInventors: Thomas Merzhaeuser, Andrew Mitchell Rodwell, Mohammad Salah Attia, Matthew Brian Dudon
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Patent number: 11808175Abstract: Gas turbine engine (GTE) airfoils, such as rotor and turbofan blades, having multimodal thickness distributions include an airfoil tip, and an airfoil root opposite the airfoil tip in a spanwise direction. The GTE airfoil has a first, second and third locally-thickened region, with the first locally-thickened region defined at the airfoil root. A maximum thickness of each chord between the airfoil root and the airfoil tip transitions toward the leading edge between the first locally-thickened region and the second locally-thickened region, and the third locally-thickened region extends in the spanwise direction. A chord line that extends through the third locally-thickened region contains a first local thickness maxima and a second local thickness maxima interspersed with at least two local thickness minima, and the first local thickness maxima is defined by the third locally-thickened region and is greater than the second local thickness maxima.Type: GrantFiled: December 2, 2020Date of Patent: November 7, 2023Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Constantinos Vogiatzis, Yoseph Gebre-Giorgis
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Patent number: 11765857Abstract: A fan and an electronic device are provided. The fan includes a hub, an outer frame surrounding the hub, and a plurality of blades connected between the hub and the outer frame. The outer frame includes a first side facing an air inlet of the fan, a second side facing an air outlet of the fan, and an inner wall between the first side and the second side. Each of the plurality of blades includes a first end connected to the hub and a second end connected to the outer frame. The second end includes a first region and a second region, the second region is connected to the inner wall. The first region extends from the second region and is disposed above the first side. A first notch is defined among the first regions of two adjacent blades and the first side.Type: GrantFiled: May 25, 2022Date of Patent: September 19, 2023Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventor: Ling-Jun Zeng
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Patent number: 11754085Abstract: A convertible ducted fan engine having a shroud, a drive shaft connected to a mechanical fan, and a rotational drive motor configured to rotate the mechanical fan. An embodiment includes a linear drive motor configured to translate the drive shaft and mechanical fan in a direction parallel to a longitudinal axis of the shroud. The convertible ducted fan engine includes a fluid-propulsion configuration in which the mechanical fan rotates freely with respect to the shroud to produce thrust through fluid flow, and a drive-wheel configuration in which the shroud rotates about the rotational axis.Type: GrantFiled: August 22, 2022Date of Patent: September 12, 2023Assignee: Hyalta Aeronautics, Inc.Inventor: Scott R. Kempshall
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Patent number: 11746754Abstract: A wind turbine includes a nacelle which houses components including a generator connected to a rotor. The nacelle includes a cover and a skeleton, the skeleton including a plurality of connected elongated skeleton members. The skeleton members include a first skeleton member, a second skeleton member non-parallel to the first skeleton member, and a bolt extending in parallel with the second skeleton member for connecting the second skeleton member and the first skeleton member. Also, a method is presented for removing a component housed in a nacelle of a wind turbine, including disconnecting a second skeleton member from first skeleton members, removing the second skeleton member from a path of removal of the component, and removing the component along the path.Type: GrantFiled: May 4, 2020Date of Patent: September 5, 2023Assignee: Vestas Wind Systems A/SInventor: Kristoffer Isbak Thomsen
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Patent number: 11732717Abstract: A multistage centrifugal grinder pump includes a grinder to grind a fluid, a first stage impeller, a second stage impeller, a stationary diffusor arranged between the first stage impeller and the second stage impeller to guide the fluid from the first stage impeller to the second stage impeller and a shaft to rotate the first stage impeller, the second stage impeller and the grinder. The first and second stage impellers in series and connected to the shaft in a torque-proof manner. The diffusor is a semi-open diffusor having a top wall, a radially outer annular side wall, and an open bottom side facing the first stage impeller, the top wall arranged adjacent the second stage impeller, the top wall having a central outlet opening surrounding the shaft, and the open bottom side extending beyond the first stage impeller with respect to a radial direction.Type: GrantFiled: January 31, 2019Date of Patent: August 22, 2023Assignee: SULZER MANAGEMENT AGInventors: Michael Burke, Ian Cullen
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Patent number: 11702194Abstract: A convertible ducted fan engine and mounting system. The convertible ducted fan engine has a shroud encircling a mechanical fan. The convertible ducted fan engine includes a fluid-propulsion configuration in which the mechanical fan rotates freely with respect to the shroud to produce thrust through fluid flow, and a drive-wheel configuration in which the shroud rotates about the rotational axis.Type: GrantFiled: June 11, 2020Date of Patent: July 18, 2023Assignee: Hyalta Aeronautics, Inc.Inventors: Scott R. Kempshall, Nicholas Pfeifer
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Patent number: 11702953Abstract: A tool for performing inspection and/or maintenance operations on an engine defines a longitudinal direction and a tangential direction. The tool includes a base extending along the longitudinal direction and including a body, a first extension member extending from the body in the tangential direction at a first location, and a second extension member extending from the body in the tangential direction at a second location. The second location is spaced from the first location along the longitudinal direction. The tool also includes a pivot member rotatably coupled to the base and moveable between an insertion position in which the pivot member is oriented generally along the longitudinal direction and a deployed position in which the pivot member is oriented away from the longitudinal direction.Type: GrantFiled: February 3, 2020Date of Patent: July 18, 2023Assignees: General Electric Company, Oliver Crispin Robotics LimitedInventors: Andrew Crispin Graham, David Scott Diwinsky, Ton Thu Lang Giang, Wayne Ray Grady