Service apparatus for use with rotary machines
Granted: March 21, 2023
Patent Number:
11608756
A service apparatus for use in maintaining a machine including a stator and a rotor is provided. The service apparatus includes a carriage assembly configured to couple to the rotor. The service apparatus is selectively transitionable between a stowed position in which the service apparatus is rotatable with the rotor and an extended position in which the service apparatus is extended toward the stator. The service apparatus also includes at least one maintenance device coupled to the…
Hinge for enclosure for electrical network protection element
Granted: March 21, 2023
Patent Number:
11612069
The disclosure generally relates to an exemplary hinge of an enclosure that can house an electrical network protection element and provide protection to the electrical network protection element against damage in various environments such as when the enclosure is placed in an underground vault that may be flooded during rain, or when a liquid (e.g., oil) comes into contact with the enclosure. The hinge may include two portions, one portion attached to one or more doors of the enclosure…
Predicting fatigue of an asset that heals
Granted: March 21, 2023
Patent Number:
11610140
The example embodiments are directed to a system and method which can predict a degradation in the health of an asset that heals based on data sensed from a machine or equipment operated by the asset that heals and in consideration of healing of the asset. In one example, a method may include one or more of storing time-series data of an operation of a machine, predicting a fatigue value of an operator of the machine via a predictive model that comprises a Rainflow counting algorithm…
Transfer learning/dictionary generation and usage for tailored part parameter generation from coupon builds
Granted: March 21, 2023
Patent Number:
11609549
According to some embodiments, system and methods are provided comprising receiving, via a communication interface of a part parameter dictionary module comprising a processor, geometry data for a plurality of geometric structures forming a plurality of parts, wherein the parts are manufactured with an additive manufacturing machine; determining, using the processor of the part parameter dictionary module, a feature set for each geometric structure; generating, using the processor of the…
Systems and methods for thermal monitoring
Granted: March 21, 2023
Patent Number:
11609125
A thermal monitoring system (101) for sensing a temperature of a monitored device (104) includes a carrier (102) having a first surface (112) and a biasing element (122) coupled to the carrier (102) and configured to extend between the carrier (102) and the monitored device (104) to provide a first thermal conduction path therebetween. The biasing element (122) includes a first end (128) contacting the first surface (112) and a second end (130) opposite the first end (128) and configured…
Nacelle for a wind turbine
Granted: March 21, 2023
Patent Number:
11608816
A nacelle for a wind turbine, the nacelle comprising: a drivetrain with a drivetrain axis, at least two torque arms positioned around the drivetrain axis and attached to a member of the drivetrain, and a frame attached to a yaw bearing. The torque arms of the drive train are supported by the frame and at least one of the torque arms has an orientation deviating at least substantially from being horizontal.
Method for reducing vibrations in rotor blades of a wind turbine
Granted: March 21, 2023
Patent Number:
11608812
Methods (200) for reducing vibrations in one or more rotor blades (120) of a wind turbine (160), when the wind turbine is in standstill conditions are provided. The method comprises measuring (201) one or more deformation parameters indicative of deformation of one or more blades (120), determining (202), at a dedicated controller (190) for an auxiliary drive system (20, 107), a vibration of one or more of the blades (120) based on the deformation parameters, wherein the dedicated…
System and method for mitigating loads acting on a rotor blade of a wind turbine
Granted: March 21, 2023
Patent Number:
11608811
A method for mitigating loads acting on a rotor blade of a wind turbine includes receiving a plurality of loading signals and determining at least one load acting on the rotor blade based on the loading signals. Further, the method includes determining a type of the load(s) acting on the rotor blade. Moreover, the method includes comparing the load(s) to a loading threshold, such as an extreme loading threshold. In addition, the method includes implementing a control scheme when the…
Constant density heat exchanger and system for energy conversion
Granted: March 21, 2023
Patent Number:
11608795
A constant density heat exchanger is provided. The constant density heat exchanger includes a housing extending between a first end and a second end and defining a chamber having an inlet and an outlet. A first flow control device is positioned at the inlet of the chamber and movable between an open position in which a working fluid is permitted into the chamber and a closed position in which the working fluid is prevented from entering the chamber. A second flow control device is…
Unit cell structures including stiffening patterns
Granted: March 21, 2023
Patent Number:
11608780
Methods, apparatus, systems and articles of manufacture are disclosed for a structure of an engine component, including a first plurality of unit cells offset from a neutral plane in a first direction, a second plurality of unit cells offset from the neutral plane in a second direction, a plurality of nodes joining ones of the first plurality of unit cells and ones of the second plurality of unit cells, wherein the first plurality of unit cells and the second plurality of unit cells are…
Sealing apparatus for an axial flow turbomachine
Granted: March 21, 2023
Patent Number:
11608752
A sealing apparatus for an axial flow turbomachine is disclosed. An example axial flow turbomachine includes band segments bordering a flow path, a first spline seal disposed at a first angle within a first slot of the band segments, a second spline seal disposed at second angle within a second slot of the band segments, a Z-seal disposed across a gap between the first slot and the second, the Z-seal positioned at least partially within the first slot and the second slot. The Z-seal…
Split shroud for vibration reduction
Granted: March 21, 2023
Patent Number:
11608747
Methods, apparatus, systems and articles of manufacture are disclosed. A split shroud for an inner shroud of a gas turbine engine includes: at least one forward shroud segment and at least one aft shroud segment to couple to the at least one forward shroud segment, the at least one forward shroud segment and the at least one aft shroud segment forming a split line.
Airfoils for gas turbine engines
Granted: March 21, 2023
Patent Number:
11608746
An airfoil for a gas turbine engine defining a radial direction and an axial direction, the airfoil including: a flared portion extending from a suction surface of the airfoil at an outer edge of the airfoil along the radial direction; and a plenum disposed at the outer edge of the airfoil, the plenum having a suction-side sidewall and a pressure-side sidewall, wherein the suction-side sidewall has a first sidewall portion adjacent to a second sidewall portion disposed outside of the…
Low-noise blade for an open rotor
Granted: March 21, 2023
Patent Number:
11608743
A blade for an open rotor includes a pressure side and a suction side, the pressure side and the suction side intersecting at a leading edge and a trailing edge, wherein for at least 30% of a span of the blade, the meanline of the airfoil section is shaped such that a relative curvature parameter is greater than 1.75 in a first region, less than 0.75 in a second region, and greater than 1.2 in a third region, wherein the relative curvature parameter of a region is defined by…
High frequency transients suppression for hvdisconnectors with sliding resistor
Granted: March 14, 2023
Patent Number:
11605514
A disconnector to reduce considerably high voltage and high frequency current generated during the service no-load opening and closing, the disconnector comprising a first main contact a second main contact, a sliding contact and an arcing horn having a length, the disconnector having a connected state, an intermediate state and a disconnected state, wherein in the connected state a first electrical contact is established between the first main contact and the second main contact, in…
Wind turbine having superconducting generator and armature for use in the superconducting generator
Granted: March 14, 2023
Patent Number:
11606017
An armature is presented. The armature includes an armature winding having a plurality of coils, wherein each coil of the plurality of coils is spaced apart from adjacent coils and comprise includes a first side portion and a second side portion. The armature further includes a first electrically insulating winding enclosure. Furthermore, the armature includes a second electrically insulating winding enclosure disposed at a radial distance from the first electrically insulating winding…
Electric machine assembly with reduced rotor post leakage
Granted: March 14, 2023
Patent Number:
11606012
A method includes forming elongated magnetic flux carrier portions in magnetically conductive sheets by cutting elongated magnetic flux barriers including one or more relief features into the magnetically conductive sheets, such that the magnetic flux barriers are separated from each other in radial directions of the magnetically conductive sheets. The method includes inserting or forming non-magnetic posts into the magnetic flux barriers such that each of the non-magnetic posts is…
Electric machine
Granted: March 14, 2023
Patent Number:
11606011
An electric machine is provided. The electric machine defines a centerline and includes: a stator assembly; a rotor assembly rotatable relative to the stator assembly about the centerline; and an actuator coupled to the rotor assembly, the stator assembly, or both for moving the rotor assembly, the stator assembly, or both along the centerline between a first position and a second position, the rotor assembly positioned closer to the stator assembly when in the first position than when…
Dynamic power supply system
Granted: March 14, 2023
Patent Number:
11605957
A power supply system includes a set of power supply units, each power supply unit arranged electrically in series and defining a common power supply, each power supply unit having a power module and a selective bypass for selectively bypassing the respective power module. The power supply system can meet a power demand.
Ultra-thin embedded semiconductor device package and method of manufacturing thereof
Granted: March 14, 2023
Patent Number:
11605609
A package structure includes a first dielectric layer, semiconductor device(s) attached to the first dielectric layer, and an embedding material applied to the first dielectric layer so as to embed the semiconductor device therein, the embedding material comprising one or more additional dielectric layers. Vias are formed through the first dielectric layer to the at least one semiconductor device, with metal interconnects formed in the vias to form electrical interconnections to the…
