Patents Assigned to Hamilton Sundstrand
  • SYSTEMS AND METHODS FOR COOLING TOROIDAL MAGNETICS
    Publication number: 20190180908
    Abstract: An inductor housing for housing an inductor having a core and a winding includes an outer annular wall and a third wall extending inward from the outer annular wall such that the outer annular wall and the third wall at least partially define an annular cavity configured to receive the inductor. The inductor housing further includes an attachment feature configured to couple the inductor housing to a secondary housing. The inductor is configured to be enclosed within the annular cavity and the secondary housing, and coolant from a coolant supply is configured to flow past the annular cavity and contact the winding of the inductor.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 13, 2019
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Mark W. Metzler, Debabrata Pal, Mustansir Kheraluwala, Charles Patrick Shepard
  • VOLTAGE SUPPRESSOR TEST CIRCUIT AND METHOD OF TESTING A VOLTAGE SUPPRESSOR
    Publication number: 20190178930
    Abstract: A system for testing a transient voltage suppressor (TVS) configured to be coupled between a bus and a first ground or line to discharge a voltage surge on the bus to the first ground or line includes a pulse source configured to generate an electrical pulse. The system further includes a transformer having a first side coupled to the pulse source and a second side configured to be coupled to the TVS and configured to transfer the electrical pulse to the TVS and to transfer an at least partial reflection of the electrical pulse from the TVS to the first side. The system also includes a test point coupled to the first side of the transformer and configured to receive the at least partial reflection of the electrical pulse.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 13, 2019
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventor: John A. Dickey
  • THERMAL CONDUCTIVITY CONTROL DEVICES
    Publication number: 20190179351
    Abstract: A method for controlling thermal conductivity between two thermal masses includes thermally contacting a first conduction body with a heat source, thermally contacting a second conduction body with a heat sink, and thermally contacting the second conduction body with the first conduction body by moving the first conduction body between a first position and a second position with a thermal expansion component. The thermal expansion component moves the first conduction body between the first position and the second position at a predetermined temperature and heat is conducted from the heat source to the heat sink through the first and second conduction bodies.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 13, 2019
    Applicants: Hamilton Sundstrand Corporation, Hamilton Sundstrand Corporation
    Inventor: Michael J. Andres
  • Locking and unlocking mechanism
    Patent number: 10317929
    Abstract: A locking mechanism for releasably locking a lock bolt against axial movement includes: a locking mechanism for releasably locking a lock bolt against axial movement, and: an elongate member 1 axially moveable relative to a housing and, in use, in moveable engagement with a lock bolt. The mechanism also includes a flap assembly 2 moveable between a first, closed position, located between the elongate member and the housing so as to prevent axial movement of the elongate member towards the housing, and a second, open position allowing the elongate member to move axially towards the housing.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: June 11, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Piotr Sobolak, Piotr Stra̧czek
  • Matrix converter system with current control mode operation
    Patent number: 10320306
    Abstract: A matrix converter system and control method includes a matrix converter, a generator, a plurality of output capacitors, and a controller. The matrix converter includes a plurality of switches and is connected between a multiphase input and a multiphase output. The plurality of output capacitors are connected between the multiphase output and ground. The generator is connected to the multiphase input and includes internal inductances. The controller is configured to control the plurality of switches to control active current and reactive current from the generator based on the internal inductances of the generator. The active and reactive currents are controlled to charge the plurality of output capacitors. The matrix converter operates in a current control mode and is able to boost output voltage above the input voltage level.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 11, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Vladimir Blasko
  • Magnetically coupled contactless damper
    Patent number: 10320358
    Abstract: According to an aspect, an inductor damper circuit includes a shared magnetic core, a primary winding, and a secondary winding. The primary winding includes an inductor winding of a first wire gauge wound about the shared magnetic core. The secondary winding includes a resistive damper winding of a second wire gauge that is less than the first wire gauge and wound about the shared magnetic core in contactless magnetic coupling with the primary winding.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 11, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Huazhen Chai, Eric A. Carter, John Huss
  • Ram air fan and power electronics cooling systems
    Patent number: 10321604
    Abstract: A power electronics cooling system includes a ram air fan with one or more blades and a ram air fan motor connected via an output shaft. The ram air fan draws in air and passes it across a heat exchanger to cool one or more cooling liquids. One or more pumps pressurize and pump the cooling liquids to various electronic components, including one or more motor controllers. The pumps may be mechanically or electrically coupled to the output shaft of the ram air fan, such that the motor of the ram air fan provides energy to the pumps.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: June 11, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Debabrata Pal
  • Distributed fuel control system
    Patent number: 10317082
    Abstract: Distributed fuel control system and methods are disclosed. A distributed fuel control system may comprise a controller, a fuel delivery system, and fuel delivery system sensors and combustion sensors. The controller may output a control signal in response to at least one of the fuel delivery system sensor or the combustion sensors. In response, the fuel flow to individual multiplex fuel delivery unit may be controlled according to various methods. One such method includes determining a desired fuel pressure differential, directing a torque motor to set a pressure regulator to a position corresponding to the desired fuel pressure differential, determining a sensed fuel pressure differential, and adjusting the torque motor in response to a difference between the sensed fuel pressure differential and the desired fuel pressure differential.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: June 11, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Gary M. McBrien
  • Air turbine starter pressure monitor system
    Patent number: 10309317
    Abstract: A method of monitoring a gas turbine engine start system includes monitoring a pressure in a starter air duct in communication with a starter air valve which is in communication with an air turbine starter (ATS); identifying an expected transient pressure response in the starter air duct; and identifying the starter air valve as degraded if the expected transient pressure response does not occur after an open command to the starter air valve.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: June 4, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: John T. Pech, W. Dean Kavalkovich
  • On-board aircraft electrochemical system
    Patent number: 10312536
    Abstract: An onboard electrochemical system of an electrochemical cell including a cathode and an anode separated by an electrolyte separator is selectively operated in either of two modes. In a first mode of operation, water or air is directed to the anode, electric power is provided to the anode and cathode to provide a voltage difference between the anode and the cathode, and nitrogen-enriched air is directed from the cathode to an aircraft fuel tank or aircraft fire suppression system. In a second mode of operation, fuel is directed to the anode, electric power is directed from the anode and cathode to one or more aircraft electric power-consuming systems or components, and nitrogen-enriched air is directed from the cathode to a fuel tank or fire suppression system.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Jonathan Rheaume
  • Systems and methods of generating electrical power
    Patent number: 10309303
    Abstract: A generator arrangement includes a generator and a pneumatic turbine. The pneumatic turbine is operably connected to the generator. A gas turbine engine compressor section is in fluid communication with the pneumatic turbine through a bleed air conduit to provide pressurized air to the pneumatic turbine for applying mechanical rotation to the generator.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: June 4, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Robert A. Bayles, Todd A. Spierling, Louis J. Bruno, Harold W. Hipsky
  • Fuel tank system and method
    Patent number: 10307708
    Abstract: A fuel tank system is disclosed that includes a fuel tank and a first fluid flow path between a gas space in the fuel tank and outside of the fuel system. A gas separation membrane is disposed with a first side in communication with the first fluid flow path and a second side in communication with a second fluid flow path. A fluid control device is in communication with the second fluid flow path and is configured to provide fluid flow from the second fluid flow path to a liquid space in the fuel tank or to outside of the fuel system. A prime mover is disposed in communication with the second fluid flow path, and is configured to move fluid on the second fluid flow path from the second side of the separation membrane to the fuel tank liquid space or to outside of the fuel system.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Jonathan Rheaume, Haralambos Cordatos
  • Check valves
    Patent number: 10309551
    Abstract: A check valve comprises a valve housing defining a valve opening and a pair of flapper elements pivotably mounted relative to the housing for rotation between an open position in which they permit fluid flow through the opening and a closed position in which they prevent fluid flow through the opening. Each flapper element comprises a first surface facing the opening and a second surface opposite the first surface and facing away from the opening. The valve further comprises a bowed leaf spring member mounted to the second surface of each flapper element. The leaf spring members are arranged such that when the flapper elements move towards the closed position, the bowed leaf spring members move into engagement with one another.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Mariusz Fiedziuk
  • Actuator release mechanism
    Patent number: 10310543
    Abstract: An actuator release mechanism includes an axially moveable member biased in a first axial position by a bias spring and driven to a second axial position by an actuation means such as a solenoid arranged in substantially the same axis as the axially moveable member. The axially moveable member can be a piston.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Przemysław Kiełczykowski, Jakub Bobak
  • Variable torque electric motor assembly
    Patent number: 10312842
    Abstract: An actuator assembly includes an electric motor including a rotor assembly and a stator assembly configured to be actuated to cause the rotor assembly to rotate based on an amount of magnetic flux in the rotor assembly is disclosed. The assembly also includes a controllable magnetic device coupled to the rotor assembly, an actuator coupled to the rotor assembly; and a controller configured to apply electric current to the controllable magnetic device to adjust an amount of torque provided by the electric motor by adjusting the magnetic flux in the rotor assembly.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Richard A. Poisson, Naison E. Mastrocola
  • Servo valve spool
    Patent number: 10309542
    Abstract: A spool assembly for a second stage of a servo valve comprises a spool having an axis (L) and an opening for a feedback member provided in a central region of the spool extending perpendicular to the axis. An adjustable joint is provided within the spool for securing a feedback member relative to the spool, comprising first and second jaw arms being displaceable relative to each other along the axis of the spool. The jaw arms have opposing clamping surfaces, wherein the clamping surfaces are arranged to be drawn towards each other as the jaw arms are drawn away from each other, such that a feedback member can be clamped between the opposed clamping surfaces of the jaw arms and thereby secured relative to the spool.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Wojciech Pluciński, Michal Bieleń, Michal Nowak
  • Mini-channel heat exchanger tube sleeve
    Patent number: 10309730
    Abstract: A heat exchanger tube assembly includes a tube. The tube includes a first end, a second end disposed opposite from the first end, an outer surface, and an inner surface defining an interior space. A plurality of channels are formed within the interior space. A first sleeve is fixed to the outer surface of the tube near the first end and a second sleeve fixed to the outer surface of the tube near the second end.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: June 4, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Matthew William Miller, Anthony DeLugan, Michael Doe, Jr.
  • Actuator control system and method for gas turbine engine
    Patent number: 10309342
    Abstract: A system for controlling actuators within a gas turbine engine according to an exemplary aspect of the present disclosure includes an electronic engine controller, a plurality of actuators, and a central control unit. The central control unit includes an actuator control unit electrically coupled to the electronic engine controller and a plurality of actuator control modules. Each of the actuator control modules is electrically coupled to each of the plurality of actuators. A method is also disclosed.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Carl F. Mueller, Leo J. Veilleux, Jr.
  • Hybrid ram air turbine
    Patent number: 10309247
    Abstract: A ram air turbine is provided that utilizes a hybrid design. The ram air turbine includes a hydraulic power conversion device directly coupled to a turbine shaft and an electric power conversion device coupled to a drive shaft. A gearbox is used to couple the turbine shaft to the drive shaft.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: June 4, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Michael Larson, David Chapman
  • Power distribution system
    Patent number: 10305261
    Abstract: A power distribution system includes an electrical contactor arrangement. The electrical contactor arrangement includes a first contactor post, a first contactor lead, and a second contactor lead. The first contactor post extends from a first bus bar. The first contactor lead extends from the first contactor post. The first contactor lead is at least partially received within a contactor housing. The second contactor lead is spaced apart from the first contactor lead and extends from the first contactor post. The second contactor lead is at least partially received within the contactor housing.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: May 28, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Debabrata Pal