12597 patents
Page 11 of 630
Utility
Solid State Circuit Breaker Snubber
7 Dec 23
A snubber circuit for a solid state circuit breaker (SSCB), the snubber circuit comprising a series connected capacitor and transient voltage suppressor, TVS, connected across switches of the SSCB, and a bidirectional solid state circuit breaker comprising: a main SSCB circuit configured to be connected between a power supply and a load, and comprising first and second semiconductor switches connected in series, and a snubber circuit as described above having a first end connected to a first end of the first semiconductor switch and a second end connected to a second end of the second semiconductor switch.
Andrew McLean
Filed: 1 Jun 23
Utility
Connecting Windings of Stator Assembly
7 Dec 23
A stator assembly comprising: an annular stator body around an axis, the stator body having a first side and a second side spaced axially from the first side and a stator body surface defined by the first and second sides and extending circumferentially around the axis; a plurality of conductive windings provided on the stator body surface, each conductive winding extending between the first side and the second side, the conductive windings arranged adjacent each other in the circumferential direction; and a first set of terminal connectors provided at the first side, and a second set of terminal connectors provided at the second side for conductively connecting the windings to a power supply, in use.
Tadashi Sawata, Andrew Page
Filed: 1 Jun 23
Utility
Ultra High Entropy Material-based Non-reversible Spectral Signature Generation Via Quantum Dots
7 Dec 23
A physically unclonable function (PUF) device is provided, comprising an excitation source providing light for exciting quantum dots (QDs); a first layer of a material having contained therein a first random distribution of first QDs of a first type that are configured to generate a first color in response to being excited by the excitation source; a second layer of a second material having contained therein a second random distribution of second QDs of a second type that are configured to generate a second color, different from the first color, in response to being excited by the first excitation source, and a detector fixedly attached to one of the first and second layers and configured for detecting a pattern of light emitted by at least one of the first QDs and the second QDs and for providing an output indicative of the detected pattern.
Stacey L. Franklin, Kalin Spariosu
Filed: 2 Aug 23
Utility
Airfoil Ribs for Rotor Blades
7 Dec 23
A rotor of an aircraft engine has a plurality of blades extending radially from a disc.
Paul Aitchison, Paul Stone, Dikran Mangardich
Filed: 2 Jun 22
Utility
Ultra High Entropy Material-based Non-reversible Spectral Signature Generation Via Quantum Dots
7 Dec 23
A physically unclonable function (PUF) device is provided, comprising an excitation source providing light for exciting quantum dots (QDs); a first layer of a material having contained therein a first random distribution of first QDs of a first type that are configured to generate a first color in response to being excited by the excitation source; a second layer of a second material having contained therein a second random distribution of second QDs of a second type that are configured to generate a second color, different from the first color, in response to being excited by the first excitation source, and a detector fixedly attached to one of the first and second layers and configured for detecting a pattern of light emitted by at least one of the first QDs and the second QDs and for providing an output indicative of the detected pattern.
Stacey L. Franklin, Kalin Spariosu
Filed: 2 Aug 23
Utility
Gas Turbine Engine Disassembly/assembly Methods
7 Dec 23
A method is provided for disassembling a gas turbine engine.
Carlo S. Porco, Geoffrey Henriksen, Jason Wedemire, Anthony Mathias, Michael Hunze, Louis Lavoie, Marven Paynter, Dennis Wilkinson
Filed: 14 Aug 23
Utility
Can Interface Termination Control
7 Dec 23
A controller area network (CAN) device arranged to communicate on a CAN bus, the device comprising a processor, a CAN controller, a CAN transceiver and a termination resistor and switch assembly, the termination resistor and switch assembly comprising a switch and a first termination resistor and a second termination resistor for connection, respectively, between the device and a first line and a second line of the CAN bus, the switch comprising a dual opto-coupled solid-state relay, between the first termination resistor and the second termination resistor, and a split termination capacitor connected at a mid-point between the first termination resistor and the second termination resistor and ground, whereby the switch is controlled by a termination enable signal from the device processor to switch in or switch out the first and second termination resistors according to a position of the device on the CAN bus.
Kashav Sehra, Andrew McLean
Filed: 1 Jun 23
Utility
Actuator Release Mechanism
7 Dec 23
An actuator release mechanism includes: a longitudinal sleeve movable along an axis between a lock and release positions; drive means for causing the longitudinal sleeve to move along the axis; and bias means to bias the longitudinal sleeve to the lock position.
Przemyslaw KIELCZYKOWSKI, Marek WIT
Filed: 2 Jun 23
Utility
Flow Control Devices
7 Dec 23
In accordance with at least one aspect of this disclosure, a flow control device can include, a first plate having one or more windows defining a flow path therethrough, a second plate configured to abut the first plate, and an actuator operatively connected to one or more of the first plate and/or the second plate.
Matej Rutar
Filed: 21 Jul 23
Utility
Integrated Radial Diffuser with Movable Diffuser Hub
7 Dec 23
A radial diffuser includes an inlet section, outlet section, diffuser wall, and movable diffuser hub.
Viktor Kilchyk, Jeffrey S. Dearborn
Filed: 3 Jun 22
Utility
Means for Handling Gaseous Fuel
7 Dec 23
In accordance with at least one aspect of this disclosure, there is provided a system for an aircraft engine.
Scott SMITH
Filed: 16 Aug 23
Utility
Switching Valve
7 Dec 23
A valve for an air system in an aircraft engine, comprising: a housing defining a chamber having a valve axis; a body within the chamber about a piston axis collinear with the valve axis, extending from a first surface to a second surface, defining a bore extending from the first to the second surface, having a mating connector defined by the second surface and located radially outward of the bore relative to the piston axis; and a sleeve extending from a first end matingly engaged with the mating connector to a second end along a sleeve axis collinear with the valve axis, the first end axially stacked on the body via the first surface to define a first distance between the first end and the first surface, and via the second surface to define a second distance between the first end and the second surface greater than the first distance.
Ahmed ABDELRAHMAN
Filed: 2 Jun 22
Utility
Trailing Edge Noise Reduction Using an Airfoil with an Internal Bypass Channel
7 Dec 23
An airfoil includes a first end opposite a second end in a spanwise direction.
Viktor Kilchyk, Shiva Om Bade Shrestha
Filed: 3 Jun 22
Utility
Structural Joint Isolator with Internal Cavities
7 Dec 23
A structural joint is provided that includes a first component, a second component, an isolator and a fastener.
Kevin M. Hensberry
Filed: 3 Jun 22
Utility
Environmental Control System with No Bleed Driven Throttle
7 Dec 23
An environmental control system of a vehicle includes a first inlet for receiving a first medium, a second inlet for receiving a second medium, and an outlet for delivering a conditioned medium to a load.
Gregory R. Leaper, Jeffrey Ernst
Filed: 1 Jun 22
Utility
Navigation Integrity In GPS Challenged Environments
7 Dec 23
Systems and methods for detecting degraded navigation sensors are based on a policy derived from a Partially Observable Markoff Decision Process (POMDP).
Taehwan Kim, Kenneth L. Moore, James T. Landon, Jarrett M. Perry, Benjamin J. Graham
Filed: 11 Sep 20
Utility
Method for Testing the Operation of a Next Generation Rescue Hoist
7 Dec 23
A method for testing a rescue hoist that includes motor drive train.
David BROOKES, Bejan IJADI-MAGHSOODI
Filed: 7 Jun 23
Utility
Embedded electronics in metal additive manufacturing builds enabled by low-melting temperature transition zone using material gradients
5 Dec 23
An additive manufacturing product is provided.
Diana Giulietti, Alexander Madinger
Filed: 13 May 21
Utility
Structures formed from high technology conductive phase materials
5 Dec 23
A method of forming a bulk product includes the step of coating a particulate conductive phase material with a binder phase, and forming the coated conductive phase material into at least one of sheet stock, tape formed into a bulk material.
Wayde R. Schmidt, Paul Sheedy
Filed: 5 Nov 21
Utility
Programmable pattern-based sweep mechanism for aircraft windscreen wiper system
5 Dec 23
A windscreen wiper system (WWS) architecture is provided.
Rameshkumar Balasubramanian, Cal Roeske
Filed: 2 Sep 20