6901 patents
Utility
Flow deflector for aperture in gas turbine engine flowpath wall
16 Jan 24
A system is provided for a gas turbine engine.
Tahereh Mirmohammadi Ghoojdi
Filed: 22 Jul 22
Utility
Gas turbine engine component with integral heat exchanger
16 Jan 24
An apparatus is provided for a gas turbine engine.
Eric S. Durocher, Gabriel Naccache
Filed: 28 Oct 22
Utility
Variable vaneless diffuser with moving floor
16 Jan 24
A variable vaneless diffuser includes a shroud, a backing plate, a divider plate adjacent to the backing plate, a floor plate adjacent to the shroud, a plurality of standoffs formed on the divider plate, and a plurality of clearance slots formed in the floor plate.
Craig M. Beers, Brent J. Merritt
Filed: 12 Sep 22
Utility
Pressure regulating valve
16 Jan 24
A pressure regulating valve includes an inlet, an outlet, an internal cavity, a first regulating window, and a second regulating window.
Michael Ferrarotti
Filed: 19 May 22
Utility
Combustor for gas turbine engine with central fuel injection ports
16 Jan 24
A combustor includes a liner defining a combustion chamber.
Alain Athanase Fossi
Filed: 2 Feb 23
Utility
Ratiometric position measurement
16 Jan 24
Systems and methods for sensor position measurements are provided.
John O'Neil
Filed: 7 Dec 21
Utility
Portable test stand and method for testing aircraft engines
16 Jan 24
A portable attitude test stand (PATS) for an aircraft engine, has: a support frame mountable on a trailer of a road vehicle; a test cell supported by the support frame and sized to receive the aircraft engine, the test cell operable to rotate the aircraft engine about a pitch axis and a roll axis of the aircraft engine; and an actuator operatively connected to the test cell and to the support frame, the actuator operable to lower and raise the test cell relative to the support frame between a transport configuration in which the test cell has a transport height and a test configuration in which the test cell has a test height, the test height being greater than the transport height.
Douglas Monahan, Gabor Kafka
Filed: 25 Aug 22
Utility
Online health monitoring and fault detection for high voltage DC distribution networks
16 Jan 24
Systems and methods for health monitoring and fault detection in power distribution networks are provided.
Parikshith Channegowda, Gurkan Gok, Suman Dwari
Filed: 27 Aug 21
Utility
System for coherent imaging in dynamic engagements
16 Jan 24
A coherent imaging system produces coherent flood illumination directed toward a remote object and local oscillator (LO) illumination derived based on a same master oscillator as the flood illumination.
Joseph Marron, Maurice J. Halmos, Justin S. Grayer, David N. Sitter, Jr., Gamze Erten
Filed: 16 Apr 21
Utility
Process water gas management of electrolyzer system with membrane
16 Jan 24
A system and method fare disclosed for inerting a protected space.
Jonathan Rheaume, Peter A T Cocks
Filed: 4 Oct 19
Utility
Fuel cooled multi-function aperture
16 Jan 24
Phased array antennas, such as a multi-function aperture, are limited in performance and reliability by traditional air-cooled thermal management systems.
William E. Rhoden, Anders Walker, David Cripe, Ross Keith Wilcoxon, Jeremiah Wolf
Filed: 26 Feb 21
Utility
Balun comprising stepped transitions between balance and unbalance connections, where the stepped transitions include ground rings of differing lengths connected by caged vias
16 Jan 24
An example balun includes a center conductor that passes through a printed wiring board having multiple dielectric layers and cage vias arranged relative to the center conductor.
Angelo M. Puzella, John B. Francis
Filed: 29 Mar 21
Utility
Electric motor with cooling channels
16 Jan 24
A stator of an electric motor includes a stator core including a rim and a plurality of stator teeth extending from the rim.
Kimberly Rae Saviers, Ram Ranjan, Jagadeesh Kumar Tangudu
Filed: 14 Jan 20
Utility
Two-piece end turn winding support
16 Jan 24
An end winding support of a rotor of an electric machine is provided.
Kris H. Campbell, Skyler Ripplinger, Brian C. Konopa, Kanthi Gnanam Kannan, Edward C. Allen, Hamming Lin, Luis E. Anker
Filed: 4 Nov 21
Utility
Push-pull converter with reduced EMI and voltage spikes
16 Jan 24
A power supply circuit has a push-pull portion having a transformer; first and second terminals of the primary winding, each connected to ground via first and second switches; an inductor connected between an input voltage and the primary winding centre tap via a third switch; an energy storage portion connected between the primary winding and ground, and to the inductor via a fourth switch; a controller arranged to monitor the input voltage and to apply partially overlapping first and second PWM signals to the first and second switches; when input voltage is between first and second thresholds, the controller closes the third switch and opens the fourth switch; above the second threshold, the controller applies a third PWM signal to the third switch and opens the fourth switch; and below the first threshold, the controller closes the third switch and applies a fourth PWM signal to the fourth switch.
Andrew Fitzroy McLean
Filed: 30 Jun 22
Utility
Windshield wiper fluid dispensing system
9 Jan 24
An aircraft windshield wiper system includes a wiper arm, a wiper blade coupled to a first end of the wiper arm, and an output shaft coupled to a second end of the wiper arm.
Bhavik Mugeraya, Venkatesh Balakrishnan
Filed: 8 Dec 22
Utility
Electromagnetic windshield wiper system
9 Jan 24
A windshield wiper system for use on an aircraft includes a controller and a wiper assembly including a wiper arm, a wiper blade, and a moving block.
Mahesh Ainapure, Nitin Kumar Goyal, Ashutosh Kumar Jha, Michael William Madsen
Filed: 24 Jun 21
Utility
System and method for detecting propeller malfunction
9 Jan 24
A system and method for detecting fixed pitch operation of a variable pitch propeller of an engine are provided.
Jagoda Krzywon
Filed: 23 Dec 20
Utility
Surface modified heater assembly
9 Jan 24
An air data probe includes a probe head having an interior surface defining a cavity, a component positioned within the cavity of the probe head, a plurality of protrusions defining contact between the interior surface of the probe head and a peripheral surface of the component prior to brazing the component to the probe head, and a braze material located between the interior surface of the probe head and the peripheral surface of the component as a result of brazing the component to the probe head.
Mark Baker, Matthew Kulhanek, Mark Stephen Lopac, Colin E. Towne
Filed: 27 Jul 22
Utility
Aircraft power plant
9 Jan 24
Aircraft power plants and associated methods are provided.
Serge Dussault
Filed: 15 Sep 21