Patents by Inventor Donald E. Army

Donald E. Army 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).

  • Publication number: 20210339889
    Abstract: A method of tracking an engine cooler in an aircraft includes recording an orientation of the engine cooler as orientation N. Prognostic health management data of the aircraft is tracked. A maintenance check of the aircraft is performed based on the tracked prognostic health management data. Whether to rotate an orientation of the engine cooler is determined with an aircraft maintenance database based on the tracked prognostic health management data of the aircraft. A recommendation is provided by the aircraft maintenance database as to whether to rotate the engine cooler. The orientation of the engine cooler is recorded as orientation N+1.
    Type: Application
    Filed: April 28, 2021
    Publication date: November 4, 2021
    Inventors: Donald E. Army, John W. Kowalski
  • Patent number: 11156233
    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: October 11, 2018
    Date of Patent: October 26, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Donald E. Army, Patrick McCord, Dominique P. Sautron, Thomas M. Zywiak
  • Patent number: 11130581
    Abstract: A RAM inlet header (RIH) is provided and includes a body through which RAM air flows from an inlet toward a heat exchanger and a nozzle body arranged along a wall of the body to direct a curtain of cooled air into flows of the RAM air and toward the heat exchanger.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: September 28, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Donald E. Army, Thomas M. Zywiak
  • Publication number: 20210291991
    Abstract: A medium supply system for delivering one or more mediums to an environmental control system of a vehicle includes a manifold arranged in fluid communication with an inlet of the environmental control system, a first medium source for delivering a first medium to the manifold via a first port; a second medium source for delivering a second medium to the manifold via a second port, and a third medium source for delivering a third medium to the manifold via a third port. At least one of a temperature and pressure of each of the first medium, the second medium, and the third medium varies.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 23, 2021
    Inventors: Donald E. Army, Tony Ho
  • Publication number: 20210275962
    Abstract: An air separation module includes a canister, a separator, and a perforated plate. The canister has a plenum portion connecting an inlet portion to an outlet portion, extends circumferentially about a canister axis, and has a plenum diameter that is larger than a canister diameter defined by the inlet and outlet portion of the canister. The separator is arranged within the canister and axially spans the plenum portion to separate air received at the inlet end portion into nitrogen-enriched and oxygen-enriched air flows. The perforated plate is seated within the plenum portion, fluidly couples the separator to an oxygen-enriched air outlet port defined by the plenum portion, and has a snap-fit major dimension smaller than the plenum diameter to radially support a portion of the separator axially spanning the plenum portion of the canister. Nitrogen generation systems and methods of making air separation modules are also described.
    Type: Application
    Filed: March 9, 2020
    Publication date: September 9, 2021
    Inventors: James R. Doherty, Donald E. Army
  • Patent number: 11105569
    Abstract: A heat exchanger cleaning arrangement includes a spray tube array configured to be attached to a heat exchanger. The spray tube array includes at least one tube, a plurality of nozzles, and a connector. The plurality of nozzles is configured to port pressurized fluid from the at least one tube toward the heat exchanger. The connector is in operable communication with the spray bar array and is configured such that a pressurized fluid source can be attached to the connector for porting fluid from the pressurized fluid source to the plurality of nozzles.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: August 31, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Matthew Pess, Donald E. Army
  • Patent number: 11090592
    Abstract: A water collector assembly includes a diffuser assembly having a diffuser body. The diffuser body extends between an inlet duct and an outlet duct along a first axis. The diffuser body includes a first end wall extending from a second inlet duct end towards a first inlet duct end, a second end wall extending from a first outlet duct end towards a first inlet duct end, and a side wall extending between the first end wall and the second end wall.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: August 17, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Donald E. Army, Christopher McAuliffe
  • Patent number: 11085673
    Abstract: An environmental control system of an aircraft includes a ram air circuit including a ram air shell having a heat exchanger positioned therein and a dehumidification system arranged in fluid communication with the ram air circuit. A plurality of expansion devices is arranged in fluid communication with the ram air circuit and the dehumidification system. At least one of the expansion devices is a simple cycle expansion device.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: August 10, 2021
    Assignee: HAMILTON SUNSTRAND CORPORATION
    Inventors: Donald E. Army, Louis J. Bruno, Sherif M. Kandil, Matthew Pess, Robert C. Roy, Eric Surawski, Joseph Turney, Lawrence E. Zeidner, Paul M. D'Orlando
  • Patent number: 11060458
    Abstract: A heat exchanging arrangement includes a first flow circuit for a first fluid to be cooled, which has a first inlet, a first outlet, and a second outlet. The heat exchanging arrangement includes a second flow circuit for a second fluid, which is in thermal communication with the first flow circuit. The heat exchanging arrangement includes a third flow circuit configured to port a portion of the first fluid from a first location of the first flow circuit to a second location of the first flow circuit, the first location being downstream of the second location.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: July 13, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Michael Zager, Donald E. Army
  • Publication number: 20210178301
    Abstract: An air separation module includes a canister extending between a first end and an opposite second end, a separator fixed within the canister to separate a compressed air flow into an oxygen-enriched air flow fraction and an oxygen-depleted air flow fraction, and a one-piece cap. The one-piece cap is connected to the first end of the canister and has a filter module mount portion on a side of the one-piece cap opposite the separator to support a filter module with the air separation module. Nitrogen generation systems and methods of making air separation modules are also described.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 17, 2021
    Inventors: James R. Doherty, Beakal T. Woldemariam, David Anderson, Donald E. Army, Eric Surawski
  • Publication number: 20210178302
    Abstract: An air separation module includes canister, a separator, and a band. The canister has an inlet end, an axially opposite outlet end, and an oxygen-enriched air flow fraction outlet port between the inlet end and the outlet end of the canister. The separator is supported within the canister and is arranged to separate compressed air flow into an oxygen-depleted air flow fraction and an oxygen-enriched air flow, provide the oxygen-depleted air flow fraction to the outlet end of the canister, and divert the oxygen-enriched air flow fraction to the oxygen-enriched air flow outlet port. The band is fixed to the canister and extends about the separator at a location axially between the oxygen-enriched air flow fraction outlet port and the inlet end of the canister to support the air separation module. Nitrogen generation systems and methods of making air separation modules are also described.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 17, 2021
    Inventors: James R. Doherty, Beakal T. Woldemariam, David Anderson, Donald E. Army, Eric Surawski
  • Publication number: 20210178320
    Abstract: An air separation module includes a cylindrical canister and a separator. The cylindrical canister has a longitudinal axis, an inlet, an oxygen-depleted air outlet, and a drain portion with an oxygen-enriched air outlet. The separator is arranged within the cylindrical canister to separate a compressed air flow into an oxygen-depleted air flow fraction and an oxygen-enriched air flow fraction, the oxygen-depleted air flow fraction provided to the oxygen-depleted air outlet and the oxygen-enriched air flow fraction to the drain portion of the canister. The drain portion extends tangentially from the cylindrical canister to issue the oxygen-enriched air flow fraction with entrained condensate from the oxygen-enriched air outlet with a tangential flow component. Nitrogen generation systems and methods of removing condensate from air separation modules are also described.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 17, 2021
    Inventors: James R. Doherty, Beakal T. Woldemariam, Donald E. Army, David Anderson, Eric Surawski
  • Publication number: 20210178314
    Abstract: An air separation module includes a separator, a canister, and a nominal-length end cap. The separator is arranged to separate ambient air into an oxygen-enriched air fraction and a nitrogen-enriched air fraction. The canister supports the separator and has a canister end flange, a canister intermediate flange and a canister end, the canister intermediate flange arranged between the canister end flange and the canister end. The nominal-length end cap is fixed to the canister end flange, and the separator extends between the canister end flange and the canister end. Nitrogen generation systems and methods of generating nitrogen-enriched air flows are also described.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 17, 2021
    Inventors: James R. Doherty, Beakal T. Woldemariam, David Anderson, Donald E. Army, Eric Surawski
  • Publication number: 20210178315
    Abstract: An air separation module includes a canister having an inlet end and an outlet end arranged along a canister axis, a separator supported within the canister and arranged to separate a compressed air flow received at the air separation module into an oxygen-depleted air flow fraction and an oxygen-enriched air flow fraction, and an inlet cap. The inlet cap is seated about the inlet end of the canister, contains therein a portion of the separator, and has an oxygen-enriched air outlet port fluidly separated from the outlet end of the canister by the separator for diverting the oxygen-enriched air flow fraction to the external environment. Nitrogen generation systems and methods of making air separation modules are also described.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 17, 2021
    Inventors: James R. Doherty, Donald E. Army
  • Patent number: 11028923
    Abstract: A piston assembly includes a piston with a first cap disposed on a first end of the piston and a second cap disposed on a second end of the piston. A piston cross-member is in between the first cap and the second cap. A cover is formed with the piston cross-member and extends between the first cap and second cap.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: June 8, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Josh Kamp, Donald E. Army
  • Publication number: 20210123695
    Abstract: An environmental control system according to an example of the present disclosure includes a heat exchanger, a ram air duct operable to provide cooling ram air to the heat exchanger, and a water extractor operable to extract water from the ram air. The heat exchanger includes at least one nozzle operable to spray water from the water extractor into the ram air duct. An example heat exchanger and a method of making a heat exchanger are also disclosed.
    Type: Application
    Filed: January 7, 2021
    Publication date: April 29, 2021
    Inventor: Donald E. Army
  • Patent number: 10982594
    Abstract: A bleed valve control system for mounting to a support structure adjacent to a fan air plenum within an aircraft includes a bleed valve module, a pneumatic valve controller, and a fan air duct. The bleed valve module includes a pipe, a plurality of bleed valves connected to the pipe, and a plurality of pneumatic actuators connected to the bleed valves. The pneumatic valve controller includes a plurality of electrical control elements and a cooling shroud. The cooling shroud is attached to the pipe and at least partially surrounds the plurality of electrical control elements. The fan air duct connects the cooling shroud to the fan air plenum such that fan air flows through the cooling shroud to cool the plurality of electrical control elements.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: April 20, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Donald E. Army, John M. Maljanian, Gregory L. DeFrancesco
  • Publication number: 20210102732
    Abstract: An air cycle machine includes a housing, a duct, a bypass valve, and a plug. The duct extends from and connects two different portions of the housing and includes a first port and a second port. The first port is attached to the first inlet of the housing. The second duct is attached to the second inlet of the housing. The bypass valve is inserted into one of the first port and second port of the duct. The plug is inserted into the other of the first port and second port that the bypass valve is not inserted into. Both the first port and the second port are capable of receiving and forming a sealing interface with both of the bypass valve and the plug.
    Type: Application
    Filed: October 2, 2019
    Publication date: April 8, 2021
    Inventors: Frederick Peacos, III, Donald E. Army
  • Patent number: 10962294
    Abstract: A heat exchanger assembly for an aircraft with an environmental control system includes first and second heat exchangers, a closure bar, and a drain manifold. The first heat exchanger is in fluid communication with a source of bleed air from the aircraft. The second heat exchanger has a second hot air circuit passing through the second heat exchanger and is disposed adjacent to and in fluid communication with the first heat exchanger. The closure bar is disposed between the first and second heat exchangers such that the closure bar prevents fluid communication across the closure bar between the first and second heat exchangers. The drain manifold is mounted to a sidewall of the heat exchanger assembly. A channel of the drain manifold is in fluid communication with a surface of the closure bar.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: March 30, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Donald E. Army, Frederick Peacos, III
  • Patent number: 10954858
    Abstract: A plate fin heat exchanger is disclosed. The heat exchanger includes a plurality of plates defining a set of hot fluid passages between adjacent plates of the plurality of plates and a set of cold fluid passages between adjacent plates of the plurality of plates. A hot fluid inlet and outlet are located at a first face of the heat exchanger. A barrier is located between adjacent plates defining the hot fluid passages. The barrier extends between the adjacent plates and extends from the first face of the heat exchanger at a location between the hot fluid inlet and the hot fluid outlet in a direction perpendicular to the first face, and defines a first pass of hot fluid passages on a first side of the barrier and a second pass of hot fluid passages on a second side of the barrier.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: March 23, 2021
    Assignee: HAMILTON SUNSTRAND CORPORATION
    Inventors: Donald E. Army, Jr., Michael Doe, Jr., Kurt L. Stephens