Patents Assigned to Hamilton
  • PISTON RING
    Publication number: 20240240714
    Abstract: In accordance with at least one aspect of this disclosure, a pump system for an aircraft includes, a cylinder barrel configured to rotate within a pump housing of a pump, and a plurality of pistons seated within a respective bore defined in the cylinder barrel. Each piston further includes a piston ring disposed at an end thereof configured to form a hydrodynamic seal with an inner surface of the respective bore. Each respective piston ring is of silicon nitride. In embodiments, the piston ring can include a chamfer on at least a leading edge of the piston ring. In embodiments, the piston ring can include a cut therethrough configured to allow for thermal expansion of the piston ring.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Jecee Jarman, Zachary Allen Ray Le Duc, John E. Holowczak
  • LAUNDRY SYSTEMS
    Publication number: 20240240378
    Abstract: A laundry system can include a rotational motion chamber configured to be actuated rotationally and an agitation chamber configured to receive one or more washable articles. The agitation chamber can be disposed within the rotational motion chamber. The agitation chamber can be configured to be actuated linearly within the rotational motion chamber independent of the rotational motion chamber in a first state, and can be configured to be engaged to and rotated by the rotational motion chamber in a second state.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Terrell L. Morrison, Jorge Ramon Mesa
  • HIGH TURN DOWN RATIO DIRECT CONTROL FOR VARIABLE DISPLACEMENT PUMPS WITH FLOW SENSING
    Publication number: 20240241526
    Abstract: A system includes a variable displacement pump (VDP) in fluid communication with an inlet line and with an outlet line. A bypass valve (BPV) includes a BPV inlet in fluid communication with the outlet line, and a BPV outlet in fluid communication with a bypass line that feeds into the inlet line upstream of the VDP. An actuator is operatively connected to control the BPV to vary flow from the BPV inlet to the bypass line. A flow sensing valve (FSV) is connected in the outlet line. The FSV includes a sensor configured to generate sensor data indicative of flow out of the outlet line. A controller operatively connected to the actuator to control recirculation flow passed through the BPV based on the sensor data and based on a predetermined low threshold of flow through the VDP.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Ryan Prescott Susca, Ryan Shook
  • NUCLEAR-BASED HEAT AND POWER FOR LOW-EARTH ORBIT (LEO) AND DEEP SPACE MISSIONS
    Publication number: 20240239520
    Abstract: A system includes a nuclear reactor having a plurality of fuel rods of radioactive decay material distributed within and embedded within a heat exchange matrix. A plurality of coolant tubes is distributed within and embedded within the heat exchange matrix, interspersed with the plurality of fuel rods. The heat exchange matrix is configured to conduct heat from the fuel rods to the coolant tubes.
    Type: Application
    Filed: September 14, 2022
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Space Systems International, Inc.
    Inventor: Yehia F. Khalil
  • HIGH TURN DOWN RATIO DIRECT CONTROL FOR VARIABLE DISPLACEMENT PUMPS
    Publication number: 20240240630
    Abstract: A system includes a variable displacement pump (VDP) in fluid communication with an inlet line and with an outlet line. The VDP includes a variable displacement mechanism configured to vary pressure to the outlet line. A bypass valve (BPV) includes a BPV inlet in fluid communication with the outlet line, and a BPV outlet in fluid communication with a bypass line that feeds into the inlet line upstream of the VDP. An actuator is operatively connected to control the BPV to vary flow from the BPV inlet to the bypass line. A controller is operatively connected to the actuator to control recirculation flow passed through the BPV based on requested flow from a downstream system supplied by the outlet line and based on a predetermined low threshold of flow through the VDP.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Ryan Prescott Susca, Ryan Shook
  • ACTIVE TURN OFF CONTROL GATE DRIVER FOR SOLID STATE CIRCUIT BREAKER
    Publication number: 20240243567
    Abstract: A method of open-loop fault control of a solid state circuit breaker includes the steps of populating a lookup table with predetermined current and temperature values and corresponding interrupt times, measuring a temperature of the solid state circuit breaker, measuring an electrical current passing through the solid state circuit breaker, estimating interrupt time from the lookup table based on the measured temperature and current values, determining to initiate a shutoff of the solid state circuit breaker based on the estimated interrupt time, and initiating a shutoff process of the solid state circuit breaker.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Jeffrey Ewanchuk, Baljit Riar, Xin Wu
  • HEAT EXCHANGER HAVING COMPLIANT MANIFOLDS
    Publication number: 20240240881
    Abstract: A heat exchanger having a core including a plurality of parallel layered flow passages for accommodating a first fluid flow, and a plurality of layered cross-flow passages in thermal communication with the layered flow passages for accommodating a second fluid flow, an inlet manifold associated with an inlet side of the core and including an inlet for the first fluid flow, a manifold wall having a bellows-type construction to accommodate expansion and an interface with the core that includes an array of flow ports in communication with the layered flow passages of the core, and an outlet manifold associated with an outlet side of the core and including an outlet for the first fluid flow, a manifold wall having a bellows-type construction to accommodate expansion and an interface with the core that includes an array of flow ports in communication with the layered flow passages of the core.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Tung Le, Grum T. Ngatu, Matthew Roger Cyr
  • PISTON BALL END
    Publication number: 20240240624
    Abstract: In accordance with at least one aspect of this disclosure, a system includes, a cylinder barrel configured to rotate within a pump housing of a pump operatively connected to a driving member of the pump via a first shaft. A piston is seated within a bore defined in the cylinder barrel. The piston is operatively connected to the driving member of the pump via a second shaft. The first shaft and the second shaft each include a ball end configured to seat within the driving member. In embodiments, the ball end of at least the second shaft is of silicon nitride.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Jecee Jarman, Zachary Allen Ray Le Duc
  • DIRECT CONTROL FOR VARIABLE DISPLACEMENT PUMPS
    Publication number: 20240240631
    Abstract: A system includes a variable displacement pump (VDP) in fluid communication with an inlet line and with an outlet line. The VDP includes a variable displacement mechanism configured to vary pressure to the outlet line. A bypass valve (BPV) includes a BPV inlet in fluid communication with the outlet line, and a BPV outlet in fluid communication with a bypass line that feeds into the inlet line upstream of the VDP. A minimum pressure shutoff valve (MPSOV) is connected in fluid communication with the outlet line, configured to block flow through the outlet line for shutoff. The MPSOV is connected in fluid communication with the BPV for triggering recirculation through the BPV.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 18, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Ryan Prescott Susca, Ryan Shook
  • Mid-pressure water collector (MPWC) with helical flow channel and radial scuppers
    Patent number: 12036498
    Abstract: A water extractor is provided and includes a helical channel, a toroidal body encompassing the helical channel and defining an exhaust plenum beyond the helical channel and comprising a first outlet, an outer body defining a settling chamber about the toroidal body and including a second outlet and a drain and a scupper disposed to direct moisture, which is separated from a medium flowing through the helical channel, from the helical channel and into the settling chamber. The medium is flowable from the helical channel into the exhaust plenum and then sequentially through the first and second outlets to pressurize collected moisture flow from the settling chamber and through the drain.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: July 16, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Donald E. Army, Liana Frangioni
  • Hardware protection for contactor driver independence
    Patent number: 12040146
    Abstract: A closing mechanism controller includes contactor operating logic that generates a software or firmware based closing mechanism command signal. The controller also includes hardware interlock circuitry that generates an interlock signal, the hardware interlock circuity being configured to compare an interlock signal to the software based closing mechanism command signal and to provide an enable signal to the closing mechanism when the interlock signal matches the closing mechanism command signal.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: July 16, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Jordan K. Vanevenhoven, Jeffrey D. Myroth, Jef William Good, Shane R. Traser, John N. Buzzard, Kyle Stephen Ives
  • Acoustic lens multi-beam communication system
    Patent number: 12040842
    Abstract: A communication system is disclosed. The communication system includes a communication device comprising one of a receiver, a transmitter, or a transceiver; and an acoustic lensing subsystem, wherein the acoustic lensing subsystem is configured to: convert electrical signals into acoustic signals; focus the acoustic signals to generate focused acoustic signals; and output the focused acoustic signals.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: July 16, 2024
    Assignee: Booz Allen Hamilton Inc.
    Inventor: Pawel Miroslaw Gradzki
  • Fractal heat exchanger
    Patent number: 12038236
    Abstract: A fractal heat exchanger comprises: a heat exchanger core comprising a plurality of channels in a close-packed configuration, the plurality of channels comprising a plurality of first channels and a plurality of second channels; a first fractal channel for conveying a first fluid to the plurality of first channels of the heat exchanger core; and a second fractal channel for conveying the first fluid from the plurality of first channels of the heat exchanger core; wherein the first fractal channel and the second fractal channel each comprise at least one divergence point along its length where a parent channel splits into a plurality of sub-channels which diverge away from each other.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: July 16, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Adam Horoszczak
  • Servo valve flapper and nozzle structure
    Patent number: 12038025
    Abstract: An integral flapper and nozzle structure for a servo valve assembly whereby the flapper, orifices and nozzles are formed by sheets of metal formed into a single component.
    Type: Grant
    Filed: August 25, 2023
    Date of Patent: July 16, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Michal Bielen, Marcin Cis, Lukasz Teuerle, Bartosz Chabko
  • Cooling system for a transformer and a method of cooling a transformer
    Patent number: 12040118
    Abstract: A transformer includes a housing having a base wall, a first side wall, a second side opposing wall, a third side wall joining the first side wall and the second side wall at a first end including a first cooling channel joining the first side wall and the second side wall at a first end, and a fourth side wall including joining the first side wall and the second side wall at a second end. The first, second, third, and fourth side walls collectively define an interior portion. A cover extends across each of the first side wall the second side wall, the third side wall, and the fourth side wall. A cooling system includes a first cooling channel disposed in the third side wall, a second cooling channel disposed in the fourth side wall, and a third cooling channel disposed in the cover.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: July 16, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Ashutosh Joshi, Eric A. Carter, Debabrata Pal
  • Gas treatment method and materials
    Patent number: 12036530
    Abstract: A method is disclosed in which a gas of hydrogen and nitrogen, or hydrogen and ammonia, or hydrogen, nitrogen, and ammonia, is introduced to a fluidized bed. The gas flows through the fluidized bed, and titanium dioxide particles are introduced to the fluidized bed to form a fluid mixture of the particles and gas in the fluidized bed. The particles are reacted with the gas in the fluid mixture to form particles including titanium dioxide and nitrogen. The particles can be disposed along an air flow path in operative communication with a light source for air treatment.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: July 16, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Randolph Carlton McGee
  • Method of detecting coating wear
    Patent number: 12038268
    Abstract: A method of inspecting a component includes the steps of identifying a component having an outer surface of a first hardness, and mounted with a holding member of a second hardness which is greater than the first hardness. A protective coating is provided about the first component, and the protective coating having a dye which absorbs a particular range of electromagnetic wavelengths. The amount of the dye remaining in the coating is inspected to identify an amount of wear of the coating.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: July 16, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Kevin R. Bordage, Katherine Urena Pimentel
  • PROXIMITY PROBE PISTON POSITIONING SYSTEMS
    Publication number: 20240230468
    Abstract: A piston assembly includes a housing, a piston positioned within the valve housing, and an inductive proximity probe sensor positioned on the housing configured to detect a position of the piston with the housing. The piston is configured to at least one of rotate or translate axially relative to the housing. The piston includes a variable surface. A fuel control system includes the piston assembly, a servo valve in fluid communication with the piston assembly, and an engine controller. The engine controller is operatively connected to the inductive proximity probe sensor.
    Type: Application
    Filed: April 21, 2023
    Publication date: July 11, 2024
    Applicant: Hamilton Sundstrand Corporation
    Inventors: Erin E. Berry, Donna Laboda
  • Fast POR trim correction
    Patent number: 12034396
    Abstract: A system comprises a generator control unit (GCU) configured to control a generator. The system includes a first sensor connected to provide feedback to the GCU for generator control. The first sensor is configured to connect to sense at least one of voltage and/or current in a feeder connecting between the generator and a load. The system also includes a second sensor connected to provide feedback to the GCU for generator control. The second sensor is configured to sense at least one of voltage and/or current in a feeder connecting between the generator and the load. The first and second sensors are configured to connect to the feeder apart from one another with feeder impedance therebetween.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: July 9, 2024
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Vlatko Miskovic, Shawn J. Young, Dwight D. Schmitt, Matthew Ryan Hasseman
  • Electric fuel control closed loop aircraft fuel system
    Patent number: 12031492
    Abstract: A fuel control system for an aircraft includes first and second electric motor controlled fuel pumps connect in parallel with one another to a fuel line. A plurality of fuel nozzles are connected to the fuel line to issue pressurized fuel from the fuel line with the ability to throttle flow based on system needs along with the electric pumping. At least one fuel nozzle in the plurality of fuel nozzles includes a respective sensor system. A fuel controller is operatively connected to receive input from the respective sensor system of the at least one fuel nozzle, and operatively connected to control the first and second electric motor controlled pumps based on input from the respective sensor system of the at least one fuel nozzle.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: July 9, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: James Harder, Andrew W. Solomon