Patents by Inventor David P. Wilson

David P. Wilson 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: 20220001346
    Abstract: Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Application
    Filed: June 8, 2021
    Publication date: January 6, 2022
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Christopher J. Seeton, Hang T. Pham, Rajiv R. Singh, Ryan Hulse, Mark W. Spatz, David P. Wilson, Samuel F. Yana Motta
  • Publication number: 20210253925
    Abstract: A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C1-C5 hydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C1-C6 hydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems.
    Type: Application
    Filed: December 22, 2020
    Publication date: August 19, 2021
    Inventors: MARK W. SPATZ, RAYMOND H. THOMAS, RAJIV R. SINGH, I, SAMUEL F. YANA MOTTA, DAVID P. WILSON, ELIZABET DEL CARMEN VERA BECERRA
  • Patent number: 11027249
    Abstract: Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 8, 2021
    Assignee: Honeywell International Inc.
    Inventors: Christopher J. Seeton, Hang T. Pham, Rajiv R. Singh, Ryan Hulse, Mark W. Spatz, David P. Wilson, Samuel F. Yana Motta
  • Publication number: 20210095177
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.
    Type: Application
    Filed: December 9, 2020
    Publication date: April 1, 2021
    Inventors: Rajiv R. Singh, Haridasan K. Nair, Raymond H. Thomas, Lawrence A. Ford, David P. Wilson
  • Patent number: 10907830
    Abstract: A combustion chamber arrangement comprises an annular combustion chamber, a plurality of circumferentially arranged vanes and a radially inner sealing ring. The vanes are arranged at the axially downstream end of the annular combustion chamber. Each of the vanes comprises an aerofoil extending radially between a radially inner platform and a radially outer platform. The radially inner sealing ring forms a seal between a downstream end of a radially inner annular wall structure of the combustion chamber and the radially inner platforms of the vanes. A portion of the axial length of the radially inner sealing ring comprises a radially inner wall and a radially outer wall spaced radially from the radially inner wall to define a chamber. The radially inner wall has apertures to supply coolant into the chamber and the radially outer wall has effusion cooling apertures to supply coolant onto the surface of the radially outer wall.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: February 2, 2021
    Inventors: David P. Wilson, John E. Rimmer, Damian Martin
  • Patent number: 10859271
    Abstract: A combustion chamber comprises an upstream end wall structure and inner and outer annular wall structures. The upstream end wall structure comprises an upstream wall and a plurality of circumferentially arranged heat shields secured to the upstream wall. The upstream wall has a plurality of circumferentially spaced fuel injector apertures. Each heat shield has radially outer and radially inner ends and a fuel injector aperture aligned with a corresponding fuel injector aperture in the upstream wall. The radially outer and inner ends of each heat shield have outer and inner rails spacing the heat shield from the upstream wall. The radially outer and inner ends of each heat shield have first and second pluralities of circumferentially spaced apertures extending there-through and through the associated outer and inner rails to direct coolant over the surface of the outer and inner annular wall structures to form respective films of coolant.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 8, 2020
    Assignee: ROLLS-ROYCE plc
    Inventors: John E Rimmer, Damian Martin, David P Wilson
  • Publication number: 20200291281
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Application
    Filed: March 23, 2020
    Publication date: September 17, 2020
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas
  • Patent number: 10704517
    Abstract: A combustion chamber comprising an upstream end wall, at least one annular wall, at least one fuel injector and at least one seal. The at least one annular wall being secured to the upstream end wall. The upstream end wall having at least one aperture. Each fuel injector being arranged in a corresponding one of the apertures in the upstream end wall and each seal being arranged in a corresponding one of the apertures in the upstream end wall and around the corresponding one of the fuel injectors. Each seal having an inner surface facing the corresponding one of the fuel injectors and an outer surface facing away from the corresponding one of the fuel injectors. Each seal abutting the corresponding one of the fuel injectors. The downstream end of each seal increasing in diameter in a downstream direction and the upstream end of each seal having a radially extending flange.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: July 7, 2020
    Assignee: ROLLS-ROYCE PLC
    Inventors: David P. Wilson, John E. Rimmer, Jochen Rupp, Damian Martin, Emmanuel V. Aurifeille, Kyriakoulis L. Resvanis, Michael J. Allitt
  • Publication number: 20190170352
    Abstract: A combustion chamber arrangement comprises an annular combustion chamber, a plurality of circumferentially arranged vanes and a radially inner sealing ring. The vanes are arranged at the axially downstream end of the annular combustion chamber. Each of the vanes comprises an aerofoil extending radially between a radially inner platform and a radially outer platform. The radially inner sealing ring forms a seal between a downstream end of a radially inner annular wall structure of the combustion chamber and the radially inner platforms of the vanes. A portion of the axial length of the radially inner sealing ring comprises a radially inner wall and a radially outer wall spaced radially from the radially inner wall to define a chamber. The radially inner wall has apertures to supply coolant into the chamber and the radially outer wall has effusion cooling apertures to supply coolant onto the surface of the radially outer wall.
    Type: Application
    Filed: November 12, 2018
    Publication date: June 6, 2019
    Applicant: ROLLS-ROYCE plc
    Inventors: David P. WILSON, John E. RIMMER, Damian MARTIN
  • Publication number: 20190136108
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.
    Type: Application
    Filed: July 27, 2018
    Publication date: May 9, 2019
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RAJIV R. SINGH, HARIDASAN K. NAIR, RAYMOND H. THOMAS, LAWRENCE A. FORD, DAVID P. WILSON
  • Publication number: 20190093892
    Abstract: A combustion chamber comprises an upstream end wall structure and inner and outer annular wall structures. The upstream end wall structure comprises an upstream wall and a plurality of circumferentially arranged heat shields secured to the upstream wall. The upstream wall has a plurality of circumferentially spaced fuel injector apertures. Each heat shield has radially outer and radially inner ends and a fuel injector aperture aligned with a corresponding fuel injector aperture in the upstream wall. The radially outer and inner ends of each heat shield have outer and inner rails spacing the heat shield from the upstream wall. The radially outer and inner ends of each heat shield have first and second pluralities of circumferentially spaced apertures extending there-through and through the associated outer and inner rails to direct coolant over the surface of the outer and inner annular wall structures to form respective films of coolant.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 28, 2019
    Applicant: ROLLS-ROYCE PLC
    Inventors: John E. RIMMER, Damian MARTIN, David P. WILSON
  • Publication number: 20190055442
    Abstract: Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent comprising a diene-based compound. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents.
    Type: Application
    Filed: July 20, 2018
    Publication date: February 21, 2019
    Inventors: Rajiv R. Singh, Haridasan K. Nair, Raymond H. Thomas, Lawrence A. Ford, David P. Wilson
  • Publication number: 20190024591
    Abstract: A combustion chamber comprises an upstream end wall, at least one fuel injector and at least one seal. Each fuel injector is arranged in a corresponding aperture in the wall. Each seal is arranged in a one of the apertures in the wall and around one of the fuel injectors. Each seal has a first portion, a second portion and a third portion. The second portion abuts the corresponding fuel injector. Each seal has a plurality of circumferentially spaced coolant passages extending longitudinally there-through from the upstream end to the downstream end of the seal to provide internal convective cooling of the seal to improve the working life of the seal.
    Type: Application
    Filed: July 20, 2018
    Publication date: January 24, 2019
    Applicant: ROLLS-ROYCE plc
    Inventors: John E. RIMMER, David P. WILSON, Damian MARTIN
  • Publication number: 20180362820
    Abstract: A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C1-c5 hydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C1-c6 hydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems.
    Type: Application
    Filed: April 9, 2018
    Publication date: December 20, 2018
    Inventors: MARK W. SPATZ, RAYMOND H. THOMAS, RAJIV R. SINGH, I, SAMUEL F. YANA MOTTA, DAVID P. WILSON, ELIZABET DEL CARMEN VERA BECERRA
  • Publication number: 20180291248
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Application
    Filed: June 11, 2018
    Publication date: October 11, 2018
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas
  • Publication number: 20180171953
    Abstract: A combustion chamber comprising an upstream end wall, at least one annular wall, at least one fuel injector and at least one seal. The at least one annular wall being secured to the upstream end wall. The upstream end wall having at least one aperture. Each fuel injector being arranged in a corresponding one of the apertures in the upstream end wall and each seal being arranged in a corresponding one of the apertures in the upstream end wall and around the corresponding one of the fuel injectors. Each seal having an inner surface facing the corresponding one of the fuel injectors and an outer surface facing away from the corresponding one of the fuel injectors. Each seal abutting the corresponding one of the fuel injectors. The downstream end of each seal increasing in diameter in a downstream direction and the upstream end of each seal having a radially extending flange.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 21, 2018
    Applicant: ROLLS-ROYCE plc
    Inventors: David P. WILSON, John E. RIMMER, Jochen RUPP, Damian MARTIN, Emmanuel V. AURIFEILLE, Kyriakoulis L. RESVANIS, Michael J. ALLITT
  • Publication number: 20180171195
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms.
    Type: Application
    Filed: February 14, 2018
    Publication date: June 21, 2018
    Inventors: Raymond H. Thomas, Rajiv R. Singh, George J. Samuels, Ian Shankland, David P. Wilson, Roy P. Robinson, Michael Van Der Puy, John L. Welch, Gregory J. Shafer, Mark W. Spatz, Ryan Hulse
  • Patent number: 9994750
    Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: June 12, 2018
    Assignee: Honeywell International Inc.
    Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson, Raymond H. Thomas
  • Patent number: 9938442
    Abstract: A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C1-C5 hydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C1-C6 hydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: April 10, 2018
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Mark W. Spatz, Raymond H. Thomas, Rajiv R. Singh, Samuel F. Yana Motta, David P. Wilson, Elizabet del Carmen Vera Becerra
  • Patent number: 9920230
    Abstract: The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms.
    Type: Grant
    Filed: February 8, 2011
    Date of Patent: March 20, 2018
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Raymond H. Thomas, Rajiv R. Singh, George J. Samuels, Ian Shankland, David P. Wilson, Roy P. Robinson, Michael Van Der Puy, John L. Welch, Gregory J. Shafer, Mark W. Spatz, Ryan Hulse