Patents by Inventor Leo J. Veilleux, Jr.

Leo J. Veilleux, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10473408
    Abstract: A heat exchanger is disclosed which includes a plurality of heat exchanger plates. Each plate has a plurality of hollowed out pins arranged in a pin fin pattern. Each plate also includes an inlet aperture and an outlet aperture in fluid communication with one another. A plurality of heat pipes are defined by several of the plurality of hollowed out pins. A wicking material is arranged within the several hollowed out pins. A heat transfer fluid at least partially fills each heat pipe.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: November 12, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Jay W. Kokas, Leo J. Veilleux, Jr., Rudolph Thomas Beaupre
  • Patent number: 10465612
    Abstract: A pressure sensor for fluid control system for an aircraft includes an enclosure, a piston assembly, and a bellows. The enclosure has a body that extends between a first end and a second end. A first fluid line extends to the first end. The piston assembly has a piston head that is movably disposed within the enclosure and a piston rod that extends from the piston head and through the second end. The bellows is disposed within the body that extends between and is operatively connected to the piston head and the first end.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: November 5, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Leo J. Veilleux, Jr., Lubomir A. Ribarov
  • Patent number: 10458714
    Abstract: A heat exchanger assembly includes a shell, a first inlet duct, and a second inlet duct. The shell has a core that is provided with a plurality of first fluid channels and a plurality of second fluid channels. The first inlet duct has a plurality of first feed channels extending towards and fluidly connected to the plurality of first fluid channels. The second inlet duct has a plurality of second feed channels extending towards and fluidly connected to the plurality of second fluid channels. The plurality of first feed channels are interwoven with the plurality of second feed channels proximate an intersection region between the first inlet duct and the second inlet duct.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: October 29, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Leo J. Veilleux, Jr.
  • Patent number: 10443597
    Abstract: A gear pump includes a drive gear with drive gear teeth and a driven gear with driven gear teeth. The drive gear is rotatably disposed about a drive gear axis. The driven gear is rotatably disposed about a driven gear axis and is intermeshed with the drive gear such that a plurality of driven gear teeth are in sliding contact with a plurality of the driven gear teeth. One or more of the drive gear teeth or the driven gear teeth define within the tooth interior a cavity. The cavity is in fluid communication through an orifice with an inter-tooth volume defined between the contacting drive gear teeth and driven gear teeth such that fluid flows through the orifice to reduce cavitation within fluid confined within the inter-tooth volume.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: October 15, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Lubomir A. Ribarov, Leo J. Veilleux, Jr., James S. Elder, Jr.
  • Publication number: 20190301451
    Abstract: A bearing carrier is provided. The bearing carrier including: a bearing body of a first material having a shaft-receiving aperture and a bridge land with a finger cut to channel fluid pressurized by intermeshing of gears rotatably supported by the bearing carrier into an outlet defined by a housing enveloping the bearing carrier, wherein the bearing body includes a bearing face configured to be in a facing spaced relationship with the gears, wherein the bearing face includes a second material integral with the first material, wherein at least one of the first material and the second material define a portion of the bearing face of the bearing body extending about the shaft-receiving aperture, the portion of the bearing face excluding the bridgeland.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 3, 2019
    Inventors: Leo J. Veilleux, JR., Lubomir A. Ribarov, James S. Elder
  • Publication number: 20190292932
    Abstract: An objective-driven system for blade tip clearance control may comprise a BOAS and a controller in operable communication with the BOAS. A tangible, non-transitory memory may be configured to communicate with the controller, the tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising receiving an operating objective definition, and modulating a location of the BOAS using an optimization loop comprising the operating objective definition, input vector variables, and output vector variables driven by the input vector variables.
    Type: Application
    Filed: March 23, 2018
    Publication date: September 26, 2019
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Leo J. Veilleux, JR., Thomas O. Harris, Lubomir A. Ribarov
  • Patent number: 10422586
    Abstract: A heat exchanger is disclosed including an array of interlaced conduits. The conduit array includes a first plurality of conduits connected to a first inlet header at one end of the first plurality of conduits and to a first outlet header at an opposite end of the first plurality of conduits. This first plurality of conduits provides a first fluid flow path from the first inlet header through the first plurality of conduits to the first outlet header. The conduit array also includes a second plurality of conduits crossing and interlaced with the first plurality of conduits. First and second fluid flow paths are provided through the first and second pluralities of conduits, and a third fluid flow path is through open spaces between the crossed interlaced first and second pluralities of conduits.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: September 24, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Lubomir A. Ribarov, Leo J. Veilleux, Jr.
  • Publication number: 20190277201
    Abstract: A fuel-based thermal management system may comprise a heat exchanger configured to thermally couple a fluid and a fuel. A controller may be configured to modulate a flow of the fluid to the heat exchanger. A tangible, non-transitory memory may be configured to communicate with the controller. The controller may determine a temperature of the fluid, estimate a dissolved oxygen concentration in the fuel using a first fuel temperature, a flight cycle time, and at least one of an altitude measurement or a ambient pressure measurement, and modulate the flow of the fluid to the heat exchanger based on the dissolved oxygen concentration.
    Type: Application
    Filed: March 12, 2018
    Publication date: September 12, 2019
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Leo J. Veilleux, JR., Lubomir A. Ribarov
  • Patent number: 10399690
    Abstract: A shut-off valve system includes a tank having an inlet and an outlet with a flow path defined therebetween. A float within the tank occludes the tank outlet at a first fluid level under positive G forces and unoccludes the tank outlet at a second fluid level under positive G forces. A flow restricting orifice and/or a hydraulic fuse is downstream of float and tank outlet to restrict fluid communication between tank outlet and an ejector pump. A method for restricting flow in an ecology fuel return system includes recovering fuel from engine components, communicating the fuel to an inlet of a fuel tank, pumping the fuel from an outlet of fuel tank to an inlet of an engine when a float within tank unoccludes the outlet of the fuel tank, and restricting fluid flow from tank outlet to an ejector pump with a flow restricting orifice and/or a hydraulic fuse.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 3, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Lubomir A. Ribarov, Kevin Gibbons, Charles E. Reuter, Leo J. Veilleux, Jr., Richard J. Carpenter
  • Publication number: 20190257250
    Abstract: A fuel pump system for a turbomachine engine can include a boost pump driven by an electric motor and configured to be in fluid communication with a fuel tank, a primary pump configured to be driven by a shaft connected to the turbomachine engine, wherein the primary pump is in fluid communication with the boost pump downstream of the boost pump by a boost branch, a bypass flow branch that connects the boost branch to a downstream branch that is downstream of the primary pump, the downstream branch is in fluid communication with one or more metering valves and/or one or more fuel nozzles, and a bypass valve disposed in the bypass flow branch and/or the downstream branch and configured to selectively directly fluidly communicate the boost branch and the downstream branch.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 22, 2019
    Inventors: Leo J. Veilleux, JR., Lubomir A. Ribarov
  • Publication number: 20190242269
    Abstract: A starter air valve (SAV) system can include a pressure actuated SAV actuator configured to be operatively connected to a SAV and a first pressure valve configured to selectively allow pressure from a pressure source to the SAV actuator when in fluid communication with the SAV actuator. The first pressure valve can be a pulse-width modulation solenoid valve configured to provide a duty cycle of pressure from the pressure source to the SAV actuator.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 8, 2019
    Inventors: Boris N. Grigorov, Tyler J. Selstad, Leo J. Veilleux, JR.
  • Patent number: 10371452
    Abstract: A tubular heat exchanger includes a first flow path to receive a first fluid flow, wherein the first flow path is defined by a conduit, and a support structure with a plurality of support structure openings, wherein the support structure supports the first flow path, the plurality of support structure openings define a second flow path to receive a second fluid flow, and the first flow path is in thermal communication with the second flow path.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: August 6, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Leo J. Veilleux, Jr., Lubomir A. Ribarov
  • Patent number: 10364694
    Abstract: A turbomachine blade clearance system can include an actuator having an anchor portion for fixation to an interior surface of a turbomachine housing and an actuating portion for actuating movement relative to the anchor portion. A turbomachine blade seal can be operatively connected to the actuating portion of the actuator and configured to move relative to the turbomachine housing to adjust a distance from a turbomachine blade of a turbomachine to maintain a predetermined gap clearance between the blade seal and the blade.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: July 30, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Lubomir A. Ribarov, Leo J. Veilleux, Jr., James S. Elder
  • Publication number: 20190202575
    Abstract: An aircraft control system may include an engine control subsystem, a flight control subsystem, a processor, and a tangible, non-transitory memory. The tangible, non-transitory memory may be configured to communicate with the processor, and the tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the processor, cause the aircraft control system to perform various operations. The various operations may include controlling, by the processor, the engine control subsystem and controlling, by the processor, the flight control subsystem. That is, a single processor (or a single set of processors) may control both the engine control subsystem and the flight control subsystem.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 4, 2019
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: LEO J. VEILLEUX, JR., RICHARD A. POISSON
  • 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.
  • Patent number: 10301963
    Abstract: A starter air valve (SAV) system includes a pressure actuated SAV actuator configured to be operatively connected to a SAV, a first pressure valve configured to selectively allow pressure from a pressure source to the SAV actuator when in fluid communication with the SAV actuator, and a second pressure valve configured to selectively allow pressure from the pressure source to the SAV actuator when in fluid communication with the SAV actuator. A manual override (MOR) valve selector is disposed between the first pressure valve, the second pressure valve, and the SAV actuator, the MOR valve selector configured to selectively fluidly connect the first pressure valve and the SAV actuator in a first position and to fluidly connect the second pressure valve and the SAV actuator in a second position.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: May 28, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Boris N. Grigorov, Tyler J. Selstad, Leo J. Veilleux, Jr.
  • Patent number: 10302015
    Abstract: In accordance with at least one aspect of this disclosure, a turbomachine cooling system includes a first low pressure port disposed in a low pressure portion of a turbomachine and a first high pressure port disposed in a high pressure portion of the turbomachine and in selective fluid communication with the first low pressure port via a cooling channel. The high pressure portion of the turbomachine is configured for a higher compression than the low pressure portion of the turbomachine where the first low pressure port is disposed. The cooling system can include a heat exchanger system disposed in the cooling channel such that a flow traveling from the first high pressure port to the first low pressure port is cooled by the heat exchanger system before traveling through the first low pressure port into the low pressure portion of the turbomachine.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: May 28, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Lubomir A. Ribarov, Leo J. Veilleux, Jr., James S. Elder, Jr.
  • Publication number: 20190056178
    Abstract: A heat exchanger assembly includes a shell, a first inlet duct, and a second inlet duct. The shell has a core that is provided with a plurality of first fluid channels and a plurality of second fluid channels. The first inlet duct has a plurality of first feed channels extending towards and fluidly connected to the plurality of first fluid channels. The second inlet duct has a plurality of second feed channels extending towards and fluidly connected to the plurality of second fluid channels. The plurality of first feed channels are interwoven with the plurality of second feed channels proximate an intersection region between the first inlet duct and the second inlet duct.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Inventor: Leo J. Veilleux, JR.
  • Patent number: 10190828
    Abstract: A heat exchanger includes a first half defining a first inlet portion and a first outlet portion, a second half defining a second inlet portion and a second outlet portion. The first half and the second half are configured to mate and form an inlet chamber and an outlet chamber. At least one of the first half or the second half includes one or more inlet transfer holes defined through a thickness of at least one of the first inlet portion and/or the second inlet portion. At least one of the first half or the second half includes one or more outlet transfer holes defined through a thickness of at least one of the first outlet portion or the second outlet portion.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: January 29, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: William E. Rhoden, Leo J. Veilleux, Jr., Peter J. Padykula
  • Publication number: 20190022806
    Abstract: A compact heat exchanger is provided and includes a first manifold defining an inlet for receiving from a component a fluid to be cooled and an outlet for returning the cooled fluid to the component to cool the component. A second manifold is disposed spaced from the first manifold. A core extends between and fluidly communicates with the manifolds and includes hexagonal channels. Each channel is formed by mini-tubes defining respective triangular passages. A cross-section of the core defines an irregular-cross structure. The fluid enters the inlet of the first manifold, makes a first pass through the mini-tubes to the second manifold, makes a second pass through the mini-tubes to the first manifold such that the fluid is cooled across the mini-tubes, exits the first manifold through the outlet, and returns to the component to cool the component. A method of manufacturing the heat exchanger is provided also.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 24, 2019
    Inventors: Leo J. Veilleux, JR., Lubomir A. Ribarov