5677 patents
Page 3 of 284
Utility
Sensorless Observer with Harmonic Compensation
4 Jan 24
An electric motor system that comprises a motor that comprises a rotor having a magnet mounted thereto and a stator that comprises one or more motor phase windings for driving rotation of the rotor when the motor phase windings receive an input voltage from an electrical power supply.
Jonathan Mark ROADLEY-BATTIN, Andrei DINU, Stefanos SKOULAXINOS
Filed: 29 Jun 23
Utility
Photonic Integrated Circuit with Inverted H-tree Unit Cell Design
4 Jan 24
An apparatus includes a photonic integrated circuit having an optical phased array, where the optical phased array includes multiple unit cells.
Stephen P. Palese, Richard L. Kendrick, Moe D. Soltani
Filed: 29 Jun 22
Utility
Optical Window with Integrated Temperature Sensing
4 Jan 24
A method of controlling a temperature profile of an optical window comprising: measuring a temperature-dependent electrical property of a thermally sensitive material included in the optical window using an embedded electromagnetic interference shield in the optical window to determine the temperature profile of the optical window, the embedded electromagnetic interference shield including a two-dimensional array of electrically conductive wires; and based on the measurements, selectively biasing at least one wire of the two-dimensional array of electrically conductive wires to locally alter the temperature-dependent electrical property of the thermally sensitive material in at least one selected spatial region of the optical window to control the temperature profile of the optical window.
Kyle L. Grosse, Gary A. Frazier, Catherine Trent
Filed: 18 Sep 23
Utility
Lubricant Pump System and Method for Aircraft Engine
28 Dec 23
Lubricant pump systems and associated methods for aircraft engines are provided.
Hervé TURCOTTE
Filed: 12 Sep 23
Utility
Mini-channel Cold Plate with Three-dimensional Adaptive Flow-path Using Bi-metal Fins
28 Dec 23
The present disclosure provides for cooling systems, assemblies and methods (e.g., for semiconductor devices; for refrigerant cooling; for cryogenic cooling).
Jin Lee, Yongduk Lee, Parag M. Kshirsagar
Filed: 23 Jun 22
Utility
Systems and Methods for Fault Detection In Variable Differential Transformers
28 Dec 23
In accordance with at least one aspect of this disclosure, a system can include a primary coil wound around a moveable magnetic core, at least one secondary coil wound in one continuous direction and magnetically coupled with the primary coil, and a controller operatively connected to determine a position of the moveable magnetic core and configured to detect a fault across the secondary coil.
Gordon Elliott Winer
Filed: 24 Jun 22
Utility
Variable Geometry Nozzle Utilizing Magnetic Fluid
28 Dec 23
The present disclosure provides variable geometry nozzle or valve assemblies utilizing magnetic fluid (e.g., ferromagnetic fluid; magnetorheological fluid; non-Newtonian magnetic fluid; general viscous magnetic fluid).
Viktor Kilchyk, Darryl Colson
Filed: 28 Jun 22
Utility
Permanent Magnet Generator Systems
28 Dec 23
A permanent magnet generator (PMG) system can include a stator configured to output a voltage, and a rotor assembly configured to be magnetically coupled to the stator and to rotate relative to the stator to induce the voltage.
Andrew R. Wilkinson, Dhaval S. Patel
Filed: 18 May 22
Utility
Aircraft Propulsion System with Intermittent Combustion Engine and Electric Transmission System and Method for Operating the Same
28 Dec 23
An aircraft propulsion system for an aircraft having a nacelle that includes a pylon structure is provided.
Richard Freer
Filed: 13 Sep 23
Utility
System and Method for Remote Sensing Using Data Fingerprinting Methodologies
28 Dec 23
Systems and methods are provided for processing and storing remote sensing data.
Joseph D. Khair, Christopher M. Cosner
Filed: 31 May 22
Utility
Aircraft Engine, Gas Turbine Intake Therefore, and Method of Guiding Exhaust Gasses
28 Dec 23
The gas turbine intake can have a swirl housing having an inlet portion fluidly connecting an exhaust conduit, an annular outlet defined around a central axis and fluidly connecting a turbine gas path, a swirl path extending circumferentially around the central axis from the inlet portion to a circumferential outlet, the circumferential outlet fluidly connected back into the inlet portion, and vanes located in the swirl housing, the vanes circumferentially interspaced from one another relative the central axis and located radially inwardly from the swirl path relative the central axis, the swirl path being free of the vanes.
Guy LEFEBVRE, Christopher GOVER, Remy SYNNOTT
Filed: 23 Jun 22
Utility
Augmented Cooling for Tip Clearance Optimization
28 Dec 23
A turbine assembly of an aircraft engine includes a cooling system for optimizing a tip clearance gap defined between an inner surface of a turbine housing and blade tips of the turbine blades.
Christopher GOVER, Remy SYNNOTT
Filed: 22 Jun 22
Utility
Aircraft Engine, Gas Turbine Intake Therefore, and Method of Guiding Exhaust Gasses
28 Dec 23
A gas turbine intake has a swirl housing having a tangential inlet fluidly connecting an exhaust conduit, an annular outlet defined around a central axis and fluidly connecting a turbine gas path, a swirl path extending circumferentially around the central axis from the tangential inlet, and vanes located in the swirl housing, the vanes circumferentially interspaced from one another relative the central axis, each vane having a twisted and flat body having a length extending from a leading end to a trailing end, the leading end being oriented mainly circumferentially and axially at the swirl path, the trailing end being oriented mainly axially and radially at the annular outlet, the twisted and flat body twisting between leading and trailing ends around the central axis, around a radial axis perpendicular to the central axis, and around a tangential axis perpendicular to both the central axis and the radial axis.
Guy LEFEBVRE, Christopher GOVER, Remy SYNNOTT
Filed: 23 Jun 22
Utility
Dual Fuel Pump System for an Aircraft
28 Dec 23
According to an aspect, a dual fuel pump system includes a primary run-dry fuel pump having multiple stages, each of the stages configured to produce fuel pressure between a pump stage inlet and a pump stage outlet, and at least one of the stages operable in a run-dry mode.
Naison E. Mastrocola, Ryan Prescott Susca
Filed: 22 Jun 22
Utility
Bearing-supported Shaft Assembly
28 Dec 23
A shaft assembly for an aircraft powerplant, comprising: a shaft extending along an axis from a first shaft end to a second shaft end; a bearing assembly extending about the axis and supporting the first shaft end of the shaft, the bearing assembly including an inner race secured to the shaft and an outer race radially outward of the inner race relative to the axis; a seal extending about the axis and located radially outward of the shaft, the seal disposed axially between the bearing assembly and the second shaft end; a housing having a housing wall located between the bearing assembly and the seal; and a washer extending about the axis and located axially between the bearing assembly and the seal, the washer extending axially from the outer race to the housing wall.
Joanna RADON, Marcin REJMAN
Filed: 27 Jun 22
Utility
Motor Driven Pump with Prognostic Health Monitoring Based on Motor Characteristics
28 Dec 23
A flow system includes a pump, a motor connected to the pump that drives the pump and draws electrical energy and a sensor that measures the electrical energy drawn by the motor.
Edward W. Goy, John M. Kassel, Mark W. Shoemaker
Filed: 27 Jun 22
Utility
Variable Geometry Shrouded Compressor/blower Rotor Design
28 Dec 23
A shrouded impeller includes an impeller having a plurality of blades and configured to rotate about an axis, and a shroud disposed adjacent to the impeller and configured to corotate about the axis with the impeller and translate axially relative to the impeller.
Viktor Kilchyk, Dmytro M. Voytovych, Jeremy Clavette
Filed: 23 Jun 22
Utility
Vibration Isolator with Hard Friction Bushing
28 Dec 23
A vibration isolator includes a series of hard bushings that press against each other and slide, under the constraint of friction from the engagement of the bushings.
Jeremy Dyess
Filed: 24 Jun 22
Utility
Photonic Integrated Circuit Temporal and Frequency Dispersion Squint Correction for Optical Phased Array
28 Dec 23
An apparatus includes a photonic integrated circuit having an optical phased array and multiple arms.
Stephen P. Palese
Filed: 27 Jun 22
Utility
Moving Magnet Tilt Actuator
28 Dec 23
A moving magnet voice coil actuator includes a bobbin that defines a non-straight opening for receiving a magnetic piece.
Steven C. Palomino, Mikhail Godkin
Filed: 27 Jun 22