Patents Assigned to Hamilton
  • Publication number: 20240270076
    Abstract: A power system for an aircraft comprises: a first motor-generator component; a second motor-generator component; a common shaft, wherein the first and second motor-generator components are connected to the common shaft in series; and a de-coupler operable to disconnect the first motor-generator component from the common shaft.
    Type: Application
    Filed: December 22, 2023
    Publication date: August 15, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventor: David James Tate
  • Patent number: 12060918
    Abstract: A disconnect mechanism comprises an input shaft defining a drive axis, a disconnect shaft selectively engaged with the input shaft to be driven about the drive axis by the input shaft, and a disconnect ramp operatively connected to the disconnect shaft to axially move the disconnect shaft between at least a first axial position and a second axial position. A disconnect pawl is selectively engaged with the disconnect ramp shaft, and a brake is selectively engaged with the disconnect shaft in the second axial position.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: August 13, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Aaron M. Finke, Andreas C. Koenig, Tyler W. Hayes, Mustansir H. Kheraluwala
  • Patent number: 12063763
    Abstract: A system for cooling a power component includes a first metal layer. A cooling layer having a first surface is in contact with a surface of the first metal layer. A second metal layer is included having a surface in contact with a second surface of the cooling layer opposite the first metal layer. The cooling layer is of a material different from that of the first metal layer and that of the second metal layer. A plurality of cooling features are embedded in the material of the cooling layer. The cooling channels are spaced apart from both the first metal layer and the second metal layer by the material of the cooling layer. An electrically conductive path connects the first metal plate to the second metal plate.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: August 13, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Jeffrey Ewanchuk, Kimberly Rae Saviers, Ram Ranjan, Ross Wilcoxon, Haley Steffen
  • Patent number: 12061678
    Abstract: Exemplary systems and methods are directed to embedding data into a machine learning model. A processing device executes program code for running a machine learning model, which has a plurality of parameter values. The processing device receives a message to be embedded into the machine learning model. The message is encrypted according to a set of keys of a cryptographic algorithm. The encrypted message is converted to a corresponding binary representation. The binary representation of the encrypted message is embedded into at least one of the one or more parameters of the machine learning model. The embedding operation modifies the at least one parameter value of the machine learning model.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: August 13, 2024
    Assignee: BOOZ ALLEN HAMILTON INC.
    Inventors: Clayton Davis, Saumil Dave, Baruch Gutow, Gabriella Melki
  • Patent number: 12060799
    Abstract: An electrical power generation system including: a micro-turbine alternator, including: a decomposition chamber; a turbine including blades driven by combustion gases from the decomposition chamber; a blower operably connected to the decomposition chamber to provide a blown airflow thereto; one or more shafts connecting the turbine to the blower such that rotation of the turbine drives rotation of the blower; an electric generator disposed along the one or more shafts such that electrical power is generated via rotation of the one or more shafts; and a housing enclosing the electric generator within a generator cavity formed therein. The blower is configured to blow air through the generator cavity through or around the electric generator. The air is configured to exit the generator cavity to enter the turbine.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: August 13, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Richard A. Himmelmann
  • Publication number: 20240263725
    Abstract: A fluid line termination fitting for a tail cone generator can include a distal body portion configured to insert into a fluid circuit opening of a tail cone generator housing and a proximal body portion configured to receive a male fluid connector. The fitting can include a radial extension disposed axially between the distal portion and the proximal portion. The radial extension can extend radially outwardly relative to the distal portion and proximal portion to limit insertion of the distal body portion into the opening of the tail cone generator housing. The fitting can include a channel structure defining a flow channel through the distal body portion and the proximal body portion. The channel structure can include a proximal channel portion in fluid communication with a proximal opening and a distal channel portion in fluid communication with a distal opening.
    Type: Application
    Filed: February 3, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Glenn C. Lemmers, JR., Mark J. Franklin
  • Publication number: 20240266762
    Abstract: A flameproof terminal block has a base portion adapted and configured to hold and electrically insulate a lower portion of one or more electrical terminals from a surrounding area, and a cover portion having a body formed from an electrically-insulative flame-resistant material, the body formed to substantially surround and insulate an upper portion of one or more electrical terminals from a surrounding area, and an outer shell, connected to the body, formed from a flame resistant or flameproof material, and adapted and configured to shield the body from flame.
    Type: Application
    Filed: February 7, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventor: Thomas Houghton
  • Publication number: 20240266912
    Abstract: A system includes a permanent magnet generator (PMG) with a generator shaft defining a longitudinal axis. A brake system includes a brake shaft with a first end operatively connected to the generator shaft for selectively rotating with the generator shaft or braking to slow the generator shaft. A shear shaft is operatively connected to a second end of the brake shaft axially opposite the first end along the longitudinal axis. The brake system includes a press fit sleeve engaged about the brake shaft and an actuator. The actuator is operatively connected to actuate a pawl between a first position spaced apart from the press fit sleeve for normal operation of the PMG, and a second position engaged with the press fit sleeve to apply braking forces to the press fit sleeve and to the generator shaft.
    Type: Application
    Filed: February 3, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Aaron Cooling, Glenn C. Lemmers, JR., Andreas C. Koenig
  • Publication number: 20240266913
    Abstract: A system includes a permanent magnet generator (PMG) with a generator shaft defining a longitudinal axis. A brake system includes a brake shaft with a first end operatively connected to the generator shaft for selectively rotating with the generator shaft or braking to slow the generator shaft. The brake system includes a band with a first position radially withdrawn from the brake shaft, and a second position radially pressed against the brake shaft for applying braking forces to the brake shaft and to the generator shaft. The brake system includes an actuator operatively connected to the band to actuate the band from the first position to the second position.
    Type: Application
    Filed: February 3, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Aaron Cooling, Glenn C. Lemmers, JR., Andreas C. Koenig
  • Publication number: 20240266911
    Abstract: A system includes a permanent magnet generator (PMG) with a generator shaft defining a longitudinal axis. A brake system includes a brake shaft with a first end operatively connected to the generator shaft for selectively rotating with the generator shaft or braking to slow the generator shaft. A shear shaft is operatively connected to a second end of the brake shaft axially opposite the first end along the longitudinal axis. The brake system includes a wedge with a first position radially withdrawn from the brake shaft, and a second position radially pressed against the brake shaft for applying braking forces to the brake shaft and to the generator shaft.
    Type: Application
    Filed: February 3, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Aaron Cooling, Andrew P. Grosskopf, Glenn C. Lemmers, JR., Andreas C. Koenig
  • Publication number: 20240266566
    Abstract: In accordance with at least one aspect of this disclosure, an emergency power unit system for an aircraft includes a fuel cell system configured to generate power using a fuel and an oxidant, and an oxidant supply system fluidly connected to the fuel cell system to supply the oxidant to the fuel cell system via an oxidant supply line. The oxidant supply system is fluidly connected to an environmental control system of an aircraft.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Malcolm P. MacDonald, Ram Ranjan
  • Publication number: 20240266915
    Abstract: A housing for a generator assembly can include an outer housing shell configured to enclose a plurality of generator components and a stator baffle disposed within the outer housing shell at a distance from an inner surface of the outer housing shell to form an air gap between the stator baffle and the outer housing shell to thermally insulate the plurality of generator components. The stator baffle can be configured to mount to a stator assembly of the generator components.
    Type: Application
    Filed: February 3, 2023
    Publication date: August 8, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Glenn C. Lemmers, Jr., Mark J. Franklin
  • Patent number: 12058146
    Abstract: A method for generating trust metrics for sensor data is disclosed. The method can include receiving the sensor data from at least one sensor associated with a platform; categorizing the sensor data into one or more sensor data types; applying one or more threat detection algorithms to the sensor data based on the one or more sensor data types to detect one or more threats to the integrity of the sensor data; calculating a detection certainty for the sensor data from the at least one sensor, the detection certainty indicating a probability that the one or more threats are affecting the integrity of the sensor data; and generating a trust metric for the sensor data of the at least one sensor based on the detection certainty for the sensor data from the at least one sensor.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: August 6, 2024
    Assignee: BOOZ ALLEN HAMILTON INC.
    Inventors: Paul D'Angio, Randy Yamada, Natasha Norris, Jon Duntze
  • Patent number: 12055589
    Abstract: A low-side contactor coil drive circuit can include an input line and a first solid state switch having a first switch base, a first switch collector, and a first switch emitter. The first switch collector can be connected to the input line and the first switch emitter is connected to ground. The circuit can include a second solid state switch having a second switch base, a second switch collector, and a second switch emitter. The second switch emitter can be connected to the input line in parallel with the first switch collector. The second switch collector can be connected to the first switch base. The circuit can include a third solid state switch having a third switch gate, a third switch source, and a third switch drain. The third switch drain can be connected to the second switch base.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: August 6, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Thomas P. Joyce
  • Patent number: 12053847
    Abstract: A replacement compressor outlet housing includes a compressor outlet housing, having a volute and a radially inwardly extending finger extending from a radially inner end of the volute. The radially inwardly extending finger is welded to an insert. The insert has a bearing support defining a bore. The insert has a web connecting a ledge to the bearing support. The radially inwardly extending finger welded to the ledge.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: August 6, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Craig M. Beers, Lino S. Italia, John M. Beck
  • Patent number: 12055227
    Abstract: A check valve includes a housing defining a pair of valve openings, a pair of flappers pivotably mounted to a pin and such that they are configured to rotate relative to the housing between an open position in which they permit fluid flow through the valve openings and a closed position in which they prevent fluid flow through the valve openings, and an element configured to stop and hold the flappers in the open position. A cavity is formed between the pair of flappers and stop element when the flappers are in the open position. Each of the flappers comprise one or more contact surfaces configured to contact the stop element when in the open position. The stop element has stop surfaces with stationary contact areas configured to oppose and abut the flapper contact surfaces when the flappers are in the open position.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: August 6, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: András Méri, Bartosz Solarz
  • Patent number: 12055099
    Abstract: A two stage fuel delivery system for an aircraft includes a first stage pump including an inlet connected to a source of fuel and an outlet connected to a combustor assembly, and a second stage pump including an inlet portion connected to the source of fuel and an outlet portion connected to the combustor assembly. A bypass valve is connected between the source of fuel, the inlet, and the inlet portion. The bypass valve selectively disconnects the second stage pump from the source of fuel. A metering valve is connected to the inlet and the inlet portion. The metering valve includes a metering valve inlet and a metering valve outlet. A pressure regulating valve is connected to the metering valve. A stage monitoring system is configured to detect a change in operation of the second stage and control the bypass valve.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: August 6, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Ryan Prescott Susca, Todd Haugsjaahabink, Naison E. Mastrocola, Adrian L. Stoicescu, Zachary Allen Ray LeDuc, Eric Briggs, Morgan O'Rorke
  • Patent number: 12057800
    Abstract: A generator system can include a dual stator generator comprising a first stator and a second stator, a first rectifier operatively connected to the first stator to receive AC from the first stator, a second rectifier operatively connected to the second stator to receive AC from the second stator, and a first DC output line and a second DC output line. The first rectifier and the second rectifier can be connected in parallel to the first DC output line and a second DC output line without an inter phase transformer (IPT) to output DC to the first DC output line and the second DC output line.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: August 6, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Frank Z. Feng, Timothy R. Pieper
  • Patent number: 12054265
    Abstract: An environmental control system of an aircraft includes a ram air input configured to receive ram air from a ram air duct of the aircraft and an electric motor driven compressor system. The system also includes a RAM heat exchanger and an ejector connected to the output of the RAM heat exchanger that is fluidly connected to the output of a compressor in the compressor system and that causes ram air received at the cooling flow input to be drawn through the RAM heat exchanger.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: August 6, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Mark G. Vignali
  • Patent number: 12057609
    Abstract: An exhaust moisture removal system for an electric generation system including: a sorbent wheel; an interchanger; a hydrogen evaporator including an exhaust portion; and an exhaust outflow stream passageway configured to convey an exhaust from a hydrogen fuel cell of the electric generation system through a first pass and then through a second pass, the second pass being located downstream of the first pass, wherein the first pass of the exhaust outflow stream passageway passes through the sorbent wheel, then through the interchanger, and then through the hydrogen evaporator, and wherein the second pass of the exhaust outflow stream passageway passes through the hydrogen evaporator, then through the interchanger, and then through the sorbent wheel.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: August 6, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Matthew Robert Pearson, Sean C. Emerson, Ram Ranjan