Patents Assigned to Hamilton Sundstrand
  • Heat exchangers
    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
  • HEAT EXCHANGER ASSEMBLY WITH PARTING SHEET SUPPORT
    Publication number: 20190024982
    Abstract: A heat exchanger assembly is provided. The heat exchanger assembly may comprise a hot layer disposed between at least two cold layers. The hot layer may comprise a hot layer fin disposed within a hot layer closure bar. The hot layer closure bar may comprise a parting sheet support coupled to a frame. The parting sheet support may be configured to support a parting sheet while also allowing a fluid flow through the hot layer. The parting sheet support may comprise fluid channels configured to allow the fluid flow through the parting sheet support.
    Type: Application
    Filed: July 24, 2017
    Publication date: January 24, 2019
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Mark A. Zaffetti, Jeremy M. Strange
  • Power drive unit with dual gear ratio mechanism
    Patent number: 10184545
    Abstract: A gear ratio mechanism includes an input shaft, a first planetary gear set, a second planetary gear set, and a carrier link associated with an output shaft. The carrier link is configured to couple the first planetary gear set and the second planetary gear set. The carrier link is selectively driven by the first planetary gear set and the second planetary gear set in response to rotation of the input shaft.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: January 22, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Victor Barger
  • Enhance motor cooling system and method
    Patent number: 10184494
    Abstract: An Environmental Control System (ECS) for an aircraft includes a ram air system having a ram inlet and a ram outlet. The ECS includes a cabin air compressor motor, a diverter valve, and a dedicated outlet. The cabin air compressor motor has a motor inlet passage and a motor outlet passage with the motor inlet passage being coupled to the ram inlet. The diverter valve includes a first diverter inlet, a first diverter outlet, and a second diverter outlet. The first diverter inlet is coupled to the motor outlet passage. The dedicated outlet is connected to the first diverter outlet in a flight mode of operation of the aircraft and the ram outlet is connected to the second diverter outlet in a ground mode of operation of the aircraft.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: January 22, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Donald E. Army, Patrick McCord, Dominique P. Sautron, Thomas M. Zywiak
  • Controller area network synchronization
    Patent number: 10187195
    Abstract: A computer-implemented method for synchronizing nodes on a controller area network includes identifying, via a processor, a node from a plurality of nodes as a sync master node; designating, via the processor, each of the remaining nodes as a sync slave node; designating, via the processor, the first message from the sync master node as a sync message; assigning, via the processor, the lowest number, among all the message IDs in the network system, to the message ID of the sync message; determining a sync message target receiving time on a sync slave node; and triggering an interrupt to the processor responsive to receiving the sync message on a sync slave node in the controller area network to perform time adjustment on the sync slave node.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: January 22, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Qiuming Leng, Julie Truong
  • Nested loop heat exchanger
    Patent number: 10184727
    Abstract: A heat exchanger to exchange heat from a first fluid to a second fluid includes a center manifold to receive the first fluid, a first inner loop having an inner loop inlet and an inner loop outlet, and a first outer loop disposed around the first inner loop, the first outer loop having an outer loop inlet and an outer loop outlet, wherein the inner loop inlet and the outer loop inlet are adjacent, and the inner loop outlet and the outer loop outlet are adjacent.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: January 22, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Gregory K. Schwalm
  • Deaerator shaft with attachment surfaces
    Patent number: 10183239
    Abstract: A deaerator shaft may have a tubular intake segment that forms an intake end of the deaerator shaft, a tubular sleeve attachment segment that is adjacent to the intake segment, a tubular central segment that is adjacent to the sleeve attachment segment, the central segment having a third diameter that is greater than the second diameter, the central segment comprising a protruding ring that radially extends from the central segment and divides the central segment, the protruding ring having opposing flat surfaces, and a tubular discharge segment that forms a discharge end of the deaerator shaft. A gear may have a central ring positioned along an axis, opposing tabs that extend from a first axial side of the central ring, and a shouldered ring that extends from a second axial side of the central ring, the shouldered ring having a lip that extends radially inward toward the axis.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: January 22, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Andrew P. Grosskopf, Aaron M. Finke, Christine Lynn Ooyen
  • Transformers with integrated inductors
    Patent number: 10186370
    Abstract: A transformer-inductor assembly includes a core, a primary winding, and a secondary winding. The primary winding is wrapped about the core. The secondary winding is wrapped about the primary winding. One or more ferromagnetic bars per phase are arranged between the secondary winding and the primary winding to control the inductance to the transformer-inductor assembly secondary winding. An electrical system including the transformer-inductor assembly and method of transforming voltage of alternating current using the transformer-inductor assembly are also described.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: January 22, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Jacek F. Gieras, Gregory I. Rozman, Mustansir Kheraluwala
  • Phase change material heat sinks
    Patent number: 10182513
    Abstract: A heat sink includes a core body. The core body defines a coolant plenum, sealed first and second chambers, and first and second coolant conduits. The sealed first and second chambers each house a phase change material. The first and second coolant conduits are separated from one another by the coolant plenum and are in fluid communication with the coolant plenum for transferring heat between coolant flowing through the core body and the phase change material.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: January 15, 2019
    Assignee: Hamilton Sundstrand Space Systems International, Inc.
    Inventors: Gregory Quinn, Jesse J. Stieber, Mark A. Zaffetti
  • Ground connect duct for environmental control systems
    Patent number: 10179661
    Abstract: A ground connect duct includes a ground connect flange with an inner diameter and an outer diameter, wherein the inner diameter is between 7.000 inches and 9.000 inches and the outer diameter is between 9.000 inches and 11.000 inches, a V-band flange, and a duct body with the inner diameter, wherein the duct body is coupled to the ground connect flange and the V-band flange to have an overall length between 6.261 inches and 8.261 inches and to dispose the V-band flange at an angle between 6.000 degrees and 8.000 degrees relative to the ground connect flange.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: January 15, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: John D. Monacchio, Clarence J. Wytas
  • On-board aircraft dried inert gas system
    Patent number: 10179309
    Abstract: An on-board aircraft dried inert gas system includes a source inert gas containing water, an air cycle or vapor cycle cooling system, and a heat exchanger condenser. The heat exchanger condenser has a heat absorption side in thermal communication with the air cycle or vapor cycle cooling system. The heat exchanger condenser has a heat rejection side that receives the inert gas containing water and outputs dried inert gas.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: January 15, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Jonathan Rheaume, Brian St. Rock, Charles E. Lents
  • Disconnect mechanisms
    Patent number: 10180166
    Abstract: A disconnect mechanism includes an input shaft defining a drive axis. A disconnect shaft is selectably engaged with the input shaft to be driven about the drive axis by the input shaft. A disconnect ramp shaft is operatively connected to the disconnect shaft to axially move the disconnect shaft between a first axial position wherein the disconnect shaft is engaged to the input shaft and a second axial position wherein the disconnect shaft is disengaged from the input shaft. The disconnect ramp shaft includes a ramp defined around an outer surface thereof. A disconnect pawl is selectably engaged with the ramp of the disconnect ramp shaft to engage or disengage the disconnect shaft from the input shaft.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: January 15, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Andrew P. Grosskopf, Aaron M. Finke, Duane C. Johnson, William B. Beard
  • Solenoids for gas turbine engine bleed valves
    Patent number: 10180106
    Abstract: A solenoid for a bleed valve includes a solenoid body with an actuation fluid passage, a bleed valve passage, and a drive fluid chamber. A main armature is disposed within the solenoid body and is movable between open and closed positions, the actuation fluid passage being in fluid communication with the control outlet in the open position, the actuation fluid passage being fluidly isolated from the bleed valve passage in the second position. A pilot armature is disposed within the solenoid body, is movable relative to the main armature, and is operably coupled to the main armature by the drive fluid chamber to move the main armature between the open and closed positions by controlling issue of a drive fluid into and out of the drive fluid chamber.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: January 15, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Lubomir A. Ribarov, Leo J. Veilleux, Jr.
  • Redundant speed summing actuators
    Patent number: 10180076
    Abstract: A method and system for use with actuation system to control a plurality of vanes disposed within a turbine engine, wherein a vane position sensor provides a vane position signal corresponding to a vane position of the plurality of vanes, the actuation system includes a plurality of motors engaged in response to the vane position signal, and a differential gearbox having a plurality of inputs operatively coupled to the plurality of motors and an output operatively coupled to the plurality of vanes, wherein an output speed of the output is a sum of a plurality of input speeds of the plurality of inputs.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: January 15, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Floyd R. Emmons, Gregory DiVincenzo
  • Flight Restart System and Method for Free Turbine Engine
    Publication number: 20190010874
    Abstract: There is described a method and system for in-flight start of an engine. The method comprises rotating a propeller; generating electrical power at an electric generator embedded inside a propeller hub from rotation of the propeller; transmitting the electrical power from the electric generator to an engine starter mounted on a core of the engine via an electric power link; and driving the engine with the engine starter to a sufficient speed while providing fuel to a combustor to light the engine to achieve self-sustaining operation of the engine.
    Type: Application
    Filed: September 7, 2018
    Publication date: January 10, 2019
    Applicants: Pratt & Whitney Canada Corp., Hamilton Sundstrand Corporation
    Inventors: Robert H. Perkinson, Richard Ullyott
  • Contactor health monitoring systems and methods
    Patent number: 10177542
    Abstract: A contactor arrangement includes a post, a fastener and a temperature sensor. The post defines a post axis. The fastener is fixed to the post along the post axis. The temperature sensor is in thermal communication with the contactor conductor and post through the fastener and is electrically insulated from the post for monitoring resistive heat generation in a contactor fixed to the post by the fastener.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: January 8, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Ashutosh Joshi, Debabrata Pal
  • Single event latchup mitigation with sample and hold
    Patent number: 10177757
    Abstract: A system for mitigating a solid state power controller (SSPC) open or closed state change caused by single event latchup (SEL) includes an ON circuit, an OFF circuit operatively connected in parallel to the ON circuit, a holding capacitor operatively connected in parallel with the ON circuit and the OFF circuit, and a power switching device operatively connected to the holding capacitor and the ON circuit. The system is configured to maintain, during and after the SEL, a drive state voltage to the power switching device that is stored in the holding capacitor prior to the SEL.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 8, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION-PCSS
    Inventors: John A. Dickey, Joshua C. Swenson
  • Outlet housing for cabin air compressor
    Patent number: 10174765
    Abstract: An outlet housing for an aircraft cabin air compressor includes a volute comprising radially inner and outer portions, and having first, second, third, and fourth circumferential regions. The first circumferential region is between the fourth and second circumferential region. The second circumferential region is between the first circumferential region and the third circumferential region. The third circumferential region is between the second circumferential region and the fourth circumferential region. A portion of the volute in the first circumferential region has a first wall thickness. A portion of the volute in the second circumferential region has a second wall thickness. A portion of the volute in the third circumferential region has a third wall thickness. A portion of the volute in the fourth circumferential region has a fourth wall thickness.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: January 8, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Darryl A. Colson, Murtuza Lokhandwalla
  • Check valves
    Patent number: 10174850
    Abstract: A check valve comprises a valve housing defining a valve opening. A pair of mounting posts is arranged on opposite sides of the opening. A pair of flapper elements is pivotably mounted for rotation between an open position and a closed position. The flapper elements are mounted to hinge pins mounted to respective mounting posts. A base portion of the hinge pins is formed with a sleeve having a bore which is slidably mounted on a hinge pin mounting portion of a respective mounting post.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: January 8, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Bartosz Solarz
  • Urine stowage system for spacecraft
    Patent number: 10173793
    Abstract: A waste handling system includes a urinal and first and second urine storage containers. A distribution system fluidly interconnects the urinal to the first and second urine storage containers. The distribution system includes a switching system that selectively fluidly connects the urinal outlet to at least one of the first and second urinal storage containers in response to an input.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: January 8, 2019
    Assignee: Hamilton Sundstrand Space Systems International, Inc.
    Inventors: Thomas J. Stapleton, Charles H. Todd, IV, Terrell Lee Morrison