Patents by Inventor William P. Stillman

William P. Stillman 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: 11920517
    Abstract: A turbine engine heat exchanger has an array of heat exchanger plates mounted to an inner case wall for providing heat transfer from a bleed flowpath to a bypass flowpath. Each plate has: first and second faces along the bypass flowpath; a proximal edge mounted to the inner case wall; an inlet along the proximal edge; an outlet along the proximal edge; and a branch segment of the bleed flowpath passing from the inlet to the outlet.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: March 5, 2024
    Assignee: RTX Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman, Patrick M. Hart
  • Publication number: 20240060728
    Abstract: A cast part includes an outermost wall, at least one inner wall defining at least two internal passages and at least one cast cooling fin extending from an outer surface. The cast part including a cross-sectional circular area spanning at least a portion of each of four internal passages includes a ratio of interior empty space to inner wall space that improves heat transfer.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 22, 2024
    Inventors: Michael A. Disori, Steven J. Bullied, Ryan C. Breneman, John Marcin, David J. Hyland, William P. Stillman, Carl R. Verner
  • Patent number: 11898809
    Abstract: A method for forming a heat exchanger plate includes providing a precursor having a body with a first face and a second face opposite the first face and at least one internal passageway; and pluralities of first and second fin precursors respectively protruding from the first and second faces. First and second fin height profiles are formed by removing material from the respective fin precursors via wire electro-discharge machining.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: February 13, 2024
    Assignee: RTX Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman
  • Patent number: 11885573
    Abstract: A heat exchanger for providing thermal energy transfer between a first flow along a first flowpath and a second flow along a second flowpath has at least one plate bank having a plurality of plates, each plate having: a first face and a second face opposite the first face; a leading edge along the second flowpath and a trailing edge along the second flowpath; a proximal edge having at least one inlet port along the first flowpath and at least one outlet port along the first flowpath; and at least one passageway along the first flowpath. An inlet manifold has a first face to which the plurality of plates are mounted along their respective proximal edges. An inlet plenum has at least one inlet port and at least one outlet port. An outlet plenum has at least one outlet port and at least one inlet port.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: January 30, 2024
    Assignee: RTX Corporation
    Inventors: Patrick M. Hart, William P. Stillman, Russell J. Bergman
  • Patent number: 11808529
    Abstract: A cast part includes an outermost wall, at least one inner wall defining at least two internal passages and at least one cast cooling fin extending from an outer surface. The cooling fin includes a ratio of fin height to an average fin thickness that is greater than 2.0 and no more than 18.0. A method is also disclosed.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: November 7, 2023
    Assignee: RTX CORPORATION
    Inventors: Michael A. Disori, Steven J. Bullied, Ryan C. Breneman, John Marcin, David J. Hyland, William P. Stillman, Carl R. Verner
  • Publication number: 20230160641
    Abstract: A heat exchanger for providing thermal energy transfer between a first flow along a first flowpath and a second flow along a second flowpath has at least one plate bank having a plurality of plates, each plate having: a first face and a second face opposite the first face; a leading edge along the second flowpath and a trailing edge along the second flowpath; a proximal edge having at least one inlet port along the first flowpath and at least one outlet port along the first flowpath; and at least one passageway along the first flowpath. An inlet manifold has a first face to which the plurality of plates are mounted along their respective proximal edges. An inlet plenum has at least one inlet port and at least one outlet port. An outlet plenum has at least one outlet port and at least one inlet port.
    Type: Application
    Filed: January 9, 2023
    Publication date: May 25, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: Patrick M. Hart, William P. Stillman, Russell J. Bergman
  • Publication number: 20230160342
    Abstract: A turbine engine heat exchanger has: a manifold having a first face and a second face opposite the first face; a plurality of first plates along the first face, each first plate having an interior passageway; and a plurality of second plates along the second face, each second plate having an interior passageway. A first flowpath passing through the interior passageways of the first plates, the manifold, and the interior passageways of the second plates.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 25, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman, Patrick M. Hart
  • Publication number: 20230055470
    Abstract: A method for forming a heat exchanger plate includes: securing a wave form metallic sheet to a heat exchanger plate substrate, the substrate comprising a first face and a second face opposite the first face, the securing of the wave form metallic sheet being to the first face; and removing peaks of the sheet.
    Type: Application
    Filed: November 4, 2022
    Publication date: February 23, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman
  • Publication number: 20230057918
    Abstract: A method for forming a heat exchanger plate includes: securing a wave form metallic sheet to a heat exchanger plate substrate, the substrate comprising a first face and a second face opposite the first face, the securing of the wave form metallic sheet being to the first face; and removing peaks of the sheet.
    Type: Application
    Filed: November 4, 2022
    Publication date: February 23, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman
  • Patent number: 11585605
    Abstract: A heat exchanger for providing thermal energy transfer between a first flow along a first flowpath and a second flow along a second flowpath has at least one plate bank having a plurality of plates, each plate having: a first face and a second face opposite the first face; a leading edge along the second flowpath and a trailing edge along the second flowpath; a proximal edge having at least one inlet port along the first flowpath and at least one outlet port along the first flowpath; and at least one passageway along the first flowpath. An inlet manifold has a first face to which the plurality of plates are mounted along their respective proximal edges. An inlet plenum has at least one inlet port and at least one outlet port. An outlet plenum has at least one outlet port and at least one inlet port.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: February 21, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Patrick M. Hart, William P. Stillman, Russell J. Bergman
  • Patent number: 11585273
    Abstract: A turbine engine heat exchanger has: a manifold having a first face and a second face opposite the first face; a plurality of first plates along the first face, each first plate having an interior passageway; and a plurality of second plates along the second face, each second plate having an interior passageway. A first flowpath passing through the interior passageways of the first plates, the manifold, and the interior passageways of the second plates.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: February 21, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman, Patrick M. Hart
  • Publication number: 20230046525
    Abstract: A heat exchanger for providing thermal energy transfer between a first flow along a first flowpath and a second flow along a second flowpath has a plate bank having a plurality of plates, each plate having: a first face and a second face opposite the first face; a leading edge along the second flowpath and a trailing edge along the second flowpath; a proximal edge having at least one inlet port along the first flowpath and at least one outlet port along the first flowpath; and at least one passageway along the first flowpath. An inlet manifold has at least one inlet port and at least one outlet port. An outlet manifold has at least one outlet port and at least one inlet port. The first flowpath passes from the at least one inlet port of the inlet manifold, through the at least one passageway of each of the plurality of plates, and through the at least one outlet port of the outlet manifold.
    Type: Application
    Filed: December 29, 2020
    Publication date: February 16, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Patrick M. Hart, Russell J. Bergman, William D. Blickenstaff, William P. Stillman, Scott D. Virkler
  • Patent number: 11525637
    Abstract: A method for forming a heat exchanger plate includes: securing a wave form metallic sheet to a heat exchanger plate substrate, the substrate comprising a first face and a second face opposite the first face, the securing of the wave form metallic sheet being to the first face; and removing peaks of the sheet.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: December 13, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman
  • Publication number: 20220372914
    Abstract: A turbine engine heat exchanger has an array of heat exchanger plates mounted to an inner case wall for providing heat transfer from a bleed flowpath to a bypass flowpath.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 24, 2022
    Applicant: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman, Patrick M. Hart
  • Patent number: 11448132
    Abstract: A turbine engine heat exchanger has an array of heat exchanger plates mounted to an inner case wall for providing heat transfer from a bleed flowpath to a bypass flowpath. Each plate has: first and second faces along the bypass flowpath; a proximal edge mounted to the inner case wall; an inlet along the proximal edge; an outlet along the proximal edge; and a branch segment of the bleed flowpath passing from the inlet to the outlet.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: September 20, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman, Patrick M. Hart
  • Patent number: 11391523
    Abstract: A cast plate heat exchanger includes an inner surface of a passage with a first group of augmentation features with a first density across the inner surface. An outer surface includes a second inlet end and a second group of augmentation features arranged with a second density across the outer surface. The first density and second density of augmentation features are located in a targeted manner to reduce thermal stresses.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: July 19, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: William P. Stillman, Michael A. Disori, Matthew A. Devore, Dave J. Hyland, Adam J. Diener
  • Patent number: 11209221
    Abstract: A modified shaped heat exchanger hot air inlet and hot air outlet comprising a first heat exchanger manifold surrounding said hot air inlet and a second heat exchanger manifold surrounding said hot air outlet; an array of shaped inlets and shaped outlets, each of said shaped inlets and shaped outlets being configured to align vertices with thermal load directions responsive to a thermal expansion mismatch between the hot air inlet and hot air outlet and respective first heat exchanger manifold and second heat exchanger manifold.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: December 28, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Brandon W. Spangler, David R. Pack, William P. Stillman
  • Publication number: 20210325129
    Abstract: A modified shaped heat exchanger hot air inlet and hot air outlet comprising a first heat exchanger manifold surrounding said hot air inlet and a second heat exchanger manifold surrounding said hot air outlet; an array of shaped inlets and shaped outlets, each of said shaped inlets and shaped outlets being configured to align vertices with thermal load directions responsive to a thermal expansion mismatch between the hot air inlet and hot air outlet and respective first heat exchanger manifold and second heat exchanger manifold.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 21, 2021
    Inventors: Brandon W. Spangler, David R. Pack, William P. Stillman
  • Publication number: 20210318071
    Abstract: A heat exchanger for providing thermal energy transfer between a first flow along a first flowpath and a second flow along a second flowpath has at least one plate bank having a plurality of plates, each plate having: a first face and a second face opposite the first face; a leading edge along the second flowpath and a trailing edge along the second flowpath; a proximal edge having at least one inlet port along the first flowpath and at least one outlet port along the first flowpath; and at least one passageway along the first flowpath. An inlet manifold has a first face to which the plurality of plates are mounted along their respective proximal edges. An inlet plenum has at least one inlet port and at least one outlet port. An outlet plenum has at least one outlet port and at least one inlet port.
    Type: Application
    Filed: December 31, 2020
    Publication date: October 14, 2021
    Applicant: Raytheon Technologies Corporation
    Inventors: Patrick M. Hart, William P. Stillman, Russell J. Bergman
  • Publication number: 20210285375
    Abstract: A turbine engine heat exchanger has an array of heat exchanger plates mounted to an inner case wall for providing heat transfer from a bleed flowpath to a bypass flowpath.
    Type: Application
    Filed: December 31, 2020
    Publication date: September 16, 2021
    Applicant: Raytheon Technologies Corporation
    Inventors: James F. Wiedenhoefer, Russell J. Bergman, William P. Stillman, Patrick M. Hart