Patents Assigned to Hamilton Sundstrand Corporation
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Publication number: 20230108689Abstract: A propulsion system (100) comprises: a generator (30) driven by a shaft (22) of a thermal engine (20) and configured to generate electrical power; an induction motor (60) that is electrically coupled to the output of the generator (30) and is configured to generate a rotational output in response to electrical power provided by the generator (30); a generator control unit (40) that is configured to control an output voltage of the generator (30) to limit a current supplied to the induction motor (60) during start-up of the propulsion system (100); and a switch (50) that is electrically coupled between the generator (30) and the induction motor (60), wherein the switch (50) is controllable by the generator control unit (40).Type: ApplicationFiled: September 9, 2022Publication date: April 6, 2023Applicant: Hamilton Sundstrand CorporationInventors: Stephen Minshull, Parminder Sangha
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Publication number: 20230105578Abstract: A variable positive displacement pump actuator system for a variable positive displacement pump can include a supply line configured to provide a supply pressure, a main pump line configured to provide a pump pressure greater than the supply pressure from the variable positive displacement pump, and at least one electro-hydraulic servo valve (EHSV) in fluid communication with the supply line and the main pump line to receive the supply pressure and the pump pressure. The at least one electro-hydraulic servo valve can be configured to output a first regulated pressure and a second regulated pressure.Type: ApplicationFiled: October 4, 2021Publication date: April 6, 2023Applicant: Hamilton Sundstrand CorporationInventors: Ryan Susca, Morgan O'Rorke, Ryan Shook, Matej Rutar
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Patent number: 11619956Abstract: A trim head drive is provided. The trim head drive includes a nonlinear power supply. The nonlinear power supply includes an output and a return connected to a trim coil of a generator. An output of the nonlinear power supply directly drives a trim coil to control an output frequency of the generator. The nonlinear power supply varies the output positively and negatively to either sink or source a trim head current to control an output frequency of the generator.Type: GrantFiled: March 13, 2020Date of Patent: April 4, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Daniel Knope, Adrian E. Vandergrift, Francisco X. Romo
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Patent number: 11618081Abstract: A method for making an article is disclosed. The method involves inputting a digital model of an article into an additive manufacturing apparatus comprising an energy source. The additive manufacturing apparatus applies energy from the energy source to successively applied incremental quantities of a powder to fuse the powder to form the article corresponding to the digital model. The powder includes an aluminum alloy having 2.00-10.00 wt. % cerium, 0.50-2.50 wt. % titanium, 0-3.00 wt. % nickel, 0-0.75 wt. % nitrogen, 0-0.05 wt. % other alloying elements, and the balance of aluminum, based on the total weight of the aluminum alloy.Type: GrantFiled: October 14, 2021Date of Patent: April 4, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Eric Karlen, William Louis Wentland, Sergey Mironets, Robert Bianco
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Patent number: 11621601Abstract: A main field connection to connect to a main field winding has a semi-cylindrical portion with an axially thicker outer surface, an axially thinner inner surface, with an aperture. An extending portion extends from the semi-cylindrical portion to a remote extending end. The remote extending end extends for a first axial distance. The axially thicker portion of the semi-cylindrical portion extends for a second axial distance. A ratio of the first axial distance to the second axial distance is between 0.65 and 1.4. A rotating assembly, a generator and a method are also disclosed.Type: GrantFiled: April 14, 2022Date of Patent: April 4, 2023Assignee: Hamilton Sundstrand CorporationInventors: Dhaval Patel, Edward C. Allen, Andrew R. Wilkinson, Andrew P. Grosskopf
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Patent number: 11619560Abstract: A fluid flow arrangement includes a manifold defining a fluid passage. A pressure sensor system is in fluid communication with the fluid passage. The pressure sensor system has a first sensor arranged along a first sense line and a second sensor arranged along a second sense line. The first and second sense lines are in fluid communication with the fluid passage. The first sense line has a first resonant frequency and the second sense line has a second resonant frequency. The second resonant frequency is different than the first resonant frequency.Type: GrantFiled: October 18, 2019Date of Patent: April 4, 2023Assignee: Hamilton Sundstrand CorporationInventors: Richard J. Carpenter, Aaron V. Price, Russell P. Rourke, Lubomir A. Ribarov, James J. Kamm, Madi Kalibala, Brian K. Burbank
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Patent number: 11619246Abstract: Fail-fixed hydraulic actuator systems for aircraft include a hydraulic actuator having a piston in a housing. The piston separates the housing into a retract cavity and an extend cavity. A sleeve is moveably arranged within the housing and includes a sleeve aperture that is aligned with a piston head during normal operation. A driving mechanism is configured to drive movement of the sleeve to maintain alignment between the sleeve aperture and the piston head. A low pressure cavity is defined between an interior surface of the housing and the sleeve and, when the piston head is offset from the sleeve aperture, the low pressure cavity is hydraulically connected to one of the retract cavity or the extend cavity to cause a pressure differential with the other of the extend cavity and the retract cavity and cause movement of the piston head to align with the sleeve aperture.Type: GrantFiled: April 25, 2022Date of Patent: April 4, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventor: Morgan O'Rorke
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Patent number: 11614092Abstract: A ventilation fan includes a shaft, a rotor, a motor housing, a bearing housing, and an air bearing. The shaft has a shaft body that extends between a first shaft end and a second shaft end. The shaft body defines a first port and a bore. The rotor is disposed about the shaft. The motor housing is disposed about the shaft and is axially spaced apart from the rotor. The bearing housing is disposed about the shaft. The air bearing is disposed proximate the second shaft end and is disposed between the bearing arm and the second shaft end.Type: GrantFiled: July 31, 2020Date of Patent: March 28, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Darryl A. Colson, Murtuza Lokhandwalla
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Patent number: 11613813Abstract: Disclosed is a corrosion inhibition coating, comprising: a base comprising a silicate matrix, wherein aluminum, an aluminum alloy, or a combination thereof, is present within the silicate matrix; and an inhibitor comprising: zinc molybdate, cerium citrate, magnesium metasilicate, a metal phosphate silicate, or a combination thereof, wherein a curing temperature of the corrosion inhibition coating is about 20° C. to about 190° C., preferably about 20° C. to about 120° C. Also disclosed is a substrate coated with the corrosion inhibition coating, wherein the substrate is a peened part.Type: GrantFiled: April 2, 2020Date of Patent: March 28, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Tianli Zhu, Weilong Zhang, Michael A. Kryzman, Blair A. Smith, Georgios S. Zafiris, Olivier Brucelle
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Patent number: 11616366Abstract: A system includes a first AC bus configured to supply power from a first generator. A second AC bus is configured to supply power from a second generator. An AC essential bus tie contactor (AETC) selectively connects between an AC essential bus and the first and second AC busses. An AETC controller is connected to switch the AETC between a first state connecting the AC essential bus to the first AC bus and a second state connecting the AC essential bus to the second AC bus. A sensor system is configured to detect at least one of delta current and overcurrent in the AC essential bus and in at least one of the first AC bus and the second AC bus. The sensor system is operatively connected to the AETC controller for switching the AETC between the first state and the second state based on input from the sensor system.Type: GrantFiled: March 12, 2020Date of Patent: March 28, 2023Assignee: Hamilton Sundstrand CorporationInventors: Jordan K. Vanevenhoven, Jeffrey D. Myroth, Jef William Good, Shane R. Traser, John N. Buzzard, Kyle Ives
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Patent number: 11614261Abstract: A duct is provided and includes a tubular member having an inlet portion, an outlet portion and a central portion interposed between the inlet and outlet portions and a tributary tubular member fluidly coupled to the tubular member at the central portion. The tributary tubular member includes first and second torus sectors defining first and second apertures, respectively, through which an upstream end of the central portion extends. The second torus sector is disposed within the first torus sector to define a sectioned toroidal annulus about the first and second apertures and between an exterior surface of the second torus sector and an interior surface of the first torus sector.Type: GrantFiled: May 21, 2020Date of Patent: March 28, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Donald E. Army, Frederick Peacos, III
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Patent number: 11616010Abstract: A transistor module assembly includes a longitudinally extending load bus bar, a longitudinally extending feed bus bar parallel to the load bus bar, and at least one transistor package operatively connected to the load and feed bus bars. The transistor package includes a drain surface and a source lead. The drain surface is operatively connected to the feed bus bar for receiving current therefrom. The source lead is operatively connected to the load bus bar for dissipating current from the transistor package to the load bus bar.Type: GrantFiled: June 30, 2017Date of Patent: March 28, 2023Assignee: Hamilton Sundstrand CorporationInventors: John A. Dickey, David M. Kucharski
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Patent number: 11615948Abstract: According to an embodiment, an ion pump for use in a low gravity environment includes a housing at least partially defining a pumping chamber, the pumping chamber enclosing a first cathode plate and a second cathode plate, and a plurality of cylindrical anodes disposed between the first cathode plate and the second cathode plate. The ion pump also includes a feedthrough extending external to the pumping chamber from a wall of the housing, and a baffle including a body disposed in a space between the plurality of anodes and an inner surface of the wall. The body has dimensions selected to prevent particles having a size greater than a selected particle size from migrating from the pumping chamber to the feedthrough when in the low gravity environment.Type: GrantFiled: November 8, 2021Date of Patent: March 28, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventor: Benjamin D. Gardner
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Patent number: 11614355Abstract: Disclosed is an actuator level detection system of an aircraft. The system includes an actuator containing fluid that defines a resistivity and including a first contact point and a second contact point. The system includes a first contactor disposed about the actuator cooperating with the first contact point to define a first contact resistance that includes the resistivity. The system includes sensor circuitry includes a conductive path defining a conductive path resistance, between the first contact point and the second contact point. The sensor circuitry has a total resistance that includes the first contact resistance and the conductive path resistance.Type: GrantFiled: July 12, 2019Date of Patent: March 28, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventor: Darrell E. Ankney
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Patent number: 11613363Abstract: A method of operating an environmental control system of an aircraft includes providing a first medium to the environmental control system including a compressor and a turbine. The first medium is provided to the compressor and the turbine sequentially. A second medium is provided to the environmental control system. In a first mode of operation, the first medium and the second medium mix within the turbine and in a second mode of operation the second medium bypasses the turbine such that the first medium and the second medium mix downstream from the turbine.Type: GrantFiled: July 29, 2021Date of Patent: March 28, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventor: Louis J. Bruno
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Publication number: 20230089463Abstract: In accordance with at least one aspect of this disclosure, a fuel seal for an aircraft fuel system includes a seal ring of a metallic material configured to retain a shape of the seal ring under compression, and a coating of elastomeric material, over molded onto the seal ring and configured to conform to a shape of a sealing surface. In embodiments, the seal ring and coating can be configured to provide drop-tight sealing at a temperature of at least 400 degrees F. In certain embodiments, the seal ring and coating can be configured to seal one or more fuel system components of an aircraft fuel system.Type: ApplicationFiled: September 22, 2021Publication date: March 23, 2023Applicant: Hamilton Sundstrand CorporationInventor: Marc E. Gage
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Publication number: 20230090583Abstract: In accordance with at least one aspect of this disclosure, a failure detection system for an integrated circuit component includes an integrated circuit component configured to connect to a circuit board, a first sensor operatively connected to sense and output a signal indicative of an actual current output of the component in a first state, and a second sensor operatively connected to sense and output a signal indicative of an actual condition of the component in the first state. A logic module can be configured to output a component failed state signal based at least in part on the signal indicative of the actual current output of the component in the first state and the signal indicative of the actual condition of the component in the first state.Type: ApplicationFiled: September 14, 2021Publication date: March 23, 2023Applicant: Hamilton Sundstrand CorporationInventors: Thomas P. Joyce, Ashutosh Joshi
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Patent number: 11609008Abstract: Building response systems and methods of building responses are described. The building response systems include a building monitoring system configured to detect the presence of a harmful agent within an enclosed space, a building management system configured to monitor a building status and control building systems, a middleware system configured to receive information from each of the building monitoring system and the building management system, wherein the information from the building monitoring system comprises an alarm status and the information from the building management system comprises building status information, and a decision engine configured to receive information from the middleware system and to determine a mitigation action in response to receiving a positive alarm status.Type: GrantFiled: June 26, 2020Date of Patent: March 21, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Fu Lin, Massimiliano L. Chiodo, Hala Mostafa
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Patent number: 11611287Abstract: A system comprises a first 3-phase rectifier having a positive DC lead and a negative DC lead and a second 3-phase rectifier having a positive DC lead and a negative DC lead. The system also includes a 4-phase, 3-level inverter connected to the first and second 3-phase rectifiers. A method comprises receiving variable frequency, 3-phase power from a first generator, receiving variable frequency, 3-phase power from a second generator, rectifying the variable frequency, 3-phase power from each of the first and second generators into DC power. And inverting the DC power into 4-phase, constant frequency power for powering a load.Type: GrantFiled: February 10, 2021Date of Patent: March 21, 2023Assignee: Hamilton Sundstrand CorporationInventors: Dwight D. Schmitt, Mustansir Kheraluwala, Eric A. Carter
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Patent number: 11611255Abstract: A rotor having multiple poles is provided and includes at each pole an end winding support forming a channel, a bus bar disposed in the channel and edge-wound coils disposed to extend around the end-winding support and the bus bar. The edge-wound coils are stacked radially and include an inner diameter coil routed to an adjacent pole and brazed to an inner diameter coil of the adjacent pole and an outer diameter coil brazed to the bus bar.Type: GrantFiled: January 27, 2021Date of Patent: March 21, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Dhaval Patel, Andrew R. Wilkinson, Eric A. Brust, Edward C. Allen
