Patents by Inventor Eric Surawski

Eric Surawski 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: 20180222598
    Abstract: Fuel tank inerting and fire suppression systems and methods for an aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a fire suppression inert gas supply system arranged to direct the inert gas to a fire suppression system, wherein the fire suppression inert gas supply system includes a fire suppression inert gas supply controller to control a flow of inert gas to the fuel tank and the fire suppression system.
    Type: Application
    Filed: February 7, 2018
    Publication date: August 9, 2018
    Inventor: Eric Surawski
  • Publication number: 20180155049
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and an inert gas recycling system located downstream of the catalytic reactor and upstream of the fuel tank, wherein the inert gas recycling system is arranged to direct a portion of the inert gas to the catalytic reactor.
    Type: Application
    Filed: January 30, 2018
    Publication date: June 7, 2018
    Inventors: Lance L. Smith, Eric Surawski
  • Publication number: 20180155050
    Abstract: Fuel tank inerting systems and methods for an aircraft. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a heating duct thermally connected to the catalytic reactor and arranged in thermal communication with the first source to provide heat to the first source to generate the first reactant.
    Type: Application
    Filed: January 30, 2018
    Publication date: June 7, 2018
    Inventors: Eric Surawski, Brian St. Rock
  • Publication number: 20180155048
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank and arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first and second reactants from the first and second sources, respectively, to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, a heat exchanger arranged between the catalytic reactor and the fuel tank and downstream of the catalytic reactor, the heat exchanger arranged to at least one of condense and cool an output from the catalytic reactor to separate out an inert gas and a byproduct, and a cool air source arranged to supply cool air to the heat exchanger and then the catalytic reactor to provide thermal control of the catalytic reactor.
    Type: Application
    Filed: January 26, 2018
    Publication date: June 7, 2018
    Inventor: Eric Surawski
  • Publication number: 20180155047
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a heating duct connected to the second reactant source, wherein a thermal energy of the second reactant is employed to heat the first reactant source.
    Type: Application
    Filed: January 25, 2018
    Publication date: June 7, 2018
    Inventor: Eric Surawski
  • Publication number: 20180148190
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, wherein the second reactant source is a source of ambient air, and a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank.
    Type: Application
    Filed: January 26, 2018
    Publication date: May 31, 2018
    Inventor: Eric Surawski
  • Publication number: 20180148189
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and wherein the first reactant is directly injected from the first reactant source without the use of a heater.
    Type: Application
    Filed: January 24, 2018
    Publication date: May 31, 2018
    Inventor: Eric Surawski
  • Publication number: 20180148191
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a back pressure flow restrictor positioned within or along a fuel tank supply line and downstream of the catalytic reactor, the back pressure flow restrictor arranged to maintain high-pressure operation of the catalytic reactor.
    Type: Application
    Filed: January 29, 2018
    Publication date: May 31, 2018
    Inventors: Lance L. Smith, Eric Surawski
  • Publication number: 20180148188
    Abstract: Fuel tank inerting systems and methods for aircraft are provided. The systems include a fuel tank, a first reactant source fluidly connected to the fuel tank, the first source arranged to receive fuel from the fuel tank, a second reactant source, a catalytic reactor arranged to receive a first reactant from the first source and a second reactant from the second source to generate an inert gas that is supplied to the fuel tank to fill a ullage space of the fuel tank, and a cool air source arranged to supply cool air to the catalytic reactor to provide thermal control of a reaction within the catalytic reactor, wherein the cool air is discharged from at least one of a cabin of the aircraft and an environmental control system of the aircraft.
    Type: Application
    Filed: January 24, 2018
    Publication date: May 31, 2018
    Inventor: Eric Surawski
  • Publication number: 20180037334
    Abstract: Aircraft fuel tank inerting systems and methods are provided. The aircraft fuel tank inerting systems include a fuel tank having fuel therein, an evaporator container fluidly connected to the fuel tank and arranged to receive inerting fuel from the fuel tank, the evaporator container evaporating the inerting fuel to generate a first reactant, a second reactant source arranged to supply a second reactant, and a catalyst fluidly connected to the evaporator container and arranged to receive the first reactant and the second reactant, wherein the catalyst includes a catalyst material to induce a chemical reaction between the first reactant and the second reactant to generate an inert gas, wherein the inert gas is supplied into an ullage of the fuel tank.
    Type: Application
    Filed: July 18, 2017
    Publication date: February 8, 2018
    Inventors: Eric Surawski, David H. Crowne, Tony Ho, Earl Jean LaVallee, III
  • Publication number: 20180016023
    Abstract: A fuel tank inerting system is provided including an air flow comprising air from a first source having a first temperature and air from a second source having a second temperature. The second temperature is cooler than the first temperature. At least one separating module is configured to separate an inert gas from the air flow.
    Type: Application
    Filed: July 12, 2016
    Publication date: January 18, 2018
    Inventors: Paul M. D'Orlando, Eric Surawski
  • Patent number: 9840333
    Abstract: A system and method that comprises an air cycle machine, a flow of bleed air, at least one heat exchanger, and an inlet configured to supply the flow of the bleed air is provided. The bleed air directly flows from a source to mix with recirculated air downstream of a compressor of the air cycle machine in accordance with a high pressure mode or a recirculation chilling mode. The system and method can also utilize the recirculated air flowing from the chamber to drive or maintain the air cycle machine in accordance with the above modes.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: December 12, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Louis J. Bruno, Paul M. D'Orlando, Donald E. Army, Jr., Thomas M. Zywiak, Harold W. Hipsky, Erin G. Kline, Richard Rusich, John M. Maljanian, Jr., Eric Surawski
  • Publication number: 20170313435
    Abstract: Aircraft air separation systems having a compressed air source arranged to supply compressed air, an air separation module arranged to receive air from the compressed air source, the air separation module arranged to separate air into nitrogen enriched air and oxygen enriched air, wherein the nitrogen enriched air is supplied to a fuel tank of the aircraft, and a source of mixing air arranged to fluidly supply the mixing air at a location between the compressed air source and the air separation module such that the mixing air is selectively mixed with the compressed air to generate treated air that is supplied to the air separation module.
    Type: Application
    Filed: April 27, 2017
    Publication date: November 2, 2017
    Inventors: Paul M. D'Orlando, Eric Surawski
  • Patent number: 9783307
    Abstract: A system and method that comprises an air cycle machine, a flow of bleed air, at least one heat exchanger, and an inlet configured to supply the flow of the bleed air is provided. The bleed air directly flows from a source to either a compressor of the air cycle machine or the at least one heat exchanger in accordance with a high pressure, low pressure, or pressure boost operation mode. The system and method also can also utilize recirculated air flowing from the chamber to drive or maintain the air cycle machine in accordance with the above modes.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: October 10, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Louis J. Bruno, Eric Surawski, Donald E. Army, Jr., Thomas M. Zywiak, Harold W. Hipsky, Erin G. Kline, Richard Rusich, John M. Maljanian, Jr., Paul M. D'Orlando
  • Publication number: 20160311538
    Abstract: A system and method that comprises an air cycle machine, a flow of bleed air, at least one heat exchanger, and an inlet configured to supply the flow of the bleed air is provided. The bleed air directly flows from a source to either a compressor of the air cycle machine or the at least one heat exchanger in accordance with a high pressure, low pressure, or pressure boost operation mode. The system and method also can also utilize recirculated air flowing from the chamber to drive or maintain the air cycle machine in accordance with the above modes.
    Type: Application
    Filed: April 24, 2015
    Publication date: October 27, 2016
    Inventors: Louis J. Bruno, Eric Surawski, Donald E. Army, JR., Thomas M. Zywiak, Harold W. Hipsky, Erin G. Kline, Richard Rusich, John M. Maljanian, JR., Paul M. D'Orlando
  • Publication number: 20160312648
    Abstract: A system and method that comprises an air cycle machine, a flow of bleed air, at least one heat exchanger, and an inlet configured to supply the flow of the bleed air is provided. The bleed air flows from a source to mix with recirculated air in accordance with a high pressure mode or a recirculation chilling mode. The system and method also can also utilize the recirculated air flowing from the chamber to drive or maintain the air cycle machine in accordance with the above modes.
    Type: Application
    Filed: April 24, 2015
    Publication date: October 27, 2016
    Inventors: Louis J. Bruno, Thomas M. Zywiak, Donald E. Army, JR., Harold W. Hipsky, JR., Richard Rusich, Erin G. Kline, Eric Surawski, John M. Maljanian, JR., Paul M. D'Orlando
  • Publication number: 20160311539
    Abstract: A system and method that comprises an air cycle machine, a flow of bleed air, at least one heat exchanger, and an inlet configured to supply the flow of the bleed air is provided. The bleed air directly flows from a source to mix with recirculated air downstream of a compressor of the air cycle machine in accordance with a high pressure mode or a recirculation chilling mode. The system and method can also utilize the recirculated air flowing from the chamber to drive or maintain the air cycle machine in accordance with the above modes.
    Type: Application
    Filed: April 24, 2015
    Publication date: October 27, 2016
    Inventors: Louis J. Bruno, Paul M. D'Orlando, Donald E. Army, JR., Thomas M. Zywiak, Harold W. Hipsky, Erin G. Kline, Richard Rusich, John M. Maljanian, JR., Eric Surawski
  • Patent number: 9457908
    Abstract: An nitrogen generation system for an aircraft is provided. The system includes a RAM air circuit, a motor driven compressor (MDC) having a rotor, a stator to drive rotor rotation and a compressor rotatably coupled to the rotor and a cooling system. The cooling system directs cooling air from the RAM air circuit to an inlet of the compressor and an alternative low pressure environment such that the cooling air removes heat from the stator.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: October 4, 2016
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Eric Surawski
  • Publication number: 20140080397
    Abstract: An nitrogen generation system for an aircraft is provided. The system includes a RAM air circuit, a motor driven compressor (MDC) having a rotor, a stator to drive rotor rotation and a compressor rotatably coupled to the rotor and a cooling system. The cooling system directs cooling air from the RAM air circuit to an inlet of the compressor and an alternative low pressure environment such that the cooling air removes heat from the stator.
    Type: Application
    Filed: September 20, 2012
    Publication date: March 20, 2014
    Inventor: Eric Surawski
  • Patent number: 8313061
    Abstract: An example inert gas distribution arrangement includes a first fuel tank and a second fuel tank mountable to an aircraft outboard the first fuel tank. A distribution conduit is configured to communicate inert gas to the first fuel tank through a first outlet and further configured to communicate inert gas to the second fuel tank through a second outlet. Fuel in the distribution conduit is biased to flow from the second fuel tank toward the first fuel tank when the aircraft is in selected aircraft attitudes.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: November 20, 2012
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Eric Surawski