Patents by Inventor Paul W. Belanger
Paul W. Belanger 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).
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Patent number: 11293671Abstract: Closed-loop refrigeration cycles for liquid oxygen densification are disclosed. The disclosed refrigeration cycles may be turbine-based refrigeration cycles or a Joule-Thompson (JT) expansion valve based refrigeration cycles and include a refrigerant or working fluid comprising a mixture of neon or helium together with nitrogen and/or oxygen.Type: GrantFiled: July 7, 2020Date of Patent: April 5, 2022Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Neil M. Prosser, James R. Dray, Paul W. Belanger, Maulik R. Shelat
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Patent number: 10928129Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: GrantFiled: January 13, 2020Date of Patent: February 23, 2021Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Patent number: 10866026Abstract: An annular divided wall column is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall and radially spaced therefrom to define an annulus column region as the space between the first annular column wall and the second annular column wall. An interior core column region is also defined by the interior space of the second annular column wall. The present annular divided wall column further includes a plurality of packing elements, disposed within the interior core column region within the annulus column region having different surface area densities and optionally, also have different geometries.Type: GrantFiled: April 24, 2020Date of Patent: December 15, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kirk F. Larson, Paul W. Belanger, Steven C. Brown, John P. Ricotta, Guang X. Chen, Richard D. Lenz
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Patent number: 10866025Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: GrantFiled: January 13, 2020Date of Patent: December 15, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Publication number: 20200333050Abstract: Closed-loop refrigeration cycles for liquid oxygen densification are disclosed. The disclosed refrigeration cycles may be turbine-based refrigeration cycles or a Joule-Thompson (JT) expansion valve based refrigeration cycles and include a refrigerant or working fluid comprising a mixture of neon or helium together with nitrogen and/or oxygen.Type: ApplicationFiled: July 7, 2020Publication date: October 22, 2020Inventors: Neil M. Prosser, James R. Dray, Paul W. Belanger, Maulik R. Shelat
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Patent number: 10808967Abstract: Closed-loop refrigeration cycles for liquid oxygen densification are disclosed. The disclosed refrigeration cycles may be turbine-based refrigeration cycles or a Joule-Thompson (JT) expansion valve based refrigeration cycles and include a refrigerant or working fluid comprising a mixture of neon or helium together with nitrogen and/or oxygen.Type: GrantFiled: January 15, 2018Date of Patent: October 20, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Neil M. Prosser, James R. Dray, Paul W. Belanger, Maulik R. Shelat
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Publication number: 20200256616Abstract: An annular divided wall column is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall and radially spaced therefrom to define an annulus column region as the space between the first annular column wall and the second annular column wall. An interior core column region is also defined by the interior space of the second annular column wall. The present annular divided wall column further includes a plurality of packing elements, disposed within the interior core column region within the annulus column region having different surface area densities and optionally, also have different geometries.Type: ApplicationFiled: April 24, 2020Publication date: August 13, 2020Inventors: Kirk F. Larson, Paul W. Belanger, Steven C. Brown, John P. Ricotta, Guang X. Chen, Richard D. Lenz
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Publication number: 20200215479Abstract: The present invention provides a low cost surge tank design for pressure swing adsorption plants that does not contain internal structures, achieves good mixing and is 15-20% less expensive than the conventional designs. The surge tank is characterized by having a first inlet located in the upper quadrant of said surge tank and a second inlet located in the lower quadrant of said surge tank, wherein said inlets configured to fluidly couple the interior of said surge tank with the exterior of said surge tank; and wherein said first and second inlets are tangentially configured to allow flow to enter said surge tank in diametrically opposite directions.Type: ApplicationFiled: March 9, 2020Publication date: July 9, 2020Inventors: Arya Ayaskanta, Paul W. Belanger
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Patent number: 10684071Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall and radially spaced therefrom to define an annulus column region as the space between the first annular column wall and the second annular column wall. An interior core column region is also defined by the interior space of the second annular column wall. The present annular divided wall column further includes a plurality of packing elements, plurality of trays or a heat exchange device disposed within the interior core column region; and a plurality of packing elements disposed within the annulus column region.Type: GrantFiled: July 23, 2018Date of Patent: June 16, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kirk F. Larson, Paul W. Belanger, Steven C. Brown, John P. Ricotta, Guang X. Chen, Richard D. Lenz
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Publication number: 20200149810Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: ApplicationFiled: January 13, 2020Publication date: May 14, 2020Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Publication number: 20200149809Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: ApplicationFiled: January 13, 2020Publication date: May 14, 2020Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Patent number: 10578355Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: GrantFiled: July 23, 2018Date of Patent: March 3, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Patent number: 10578357Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: GrantFiled: July 23, 2018Date of Patent: March 3, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Patent number: 10578356Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: GrantFiled: July 23, 2018Date of Patent: March 3, 2020Assignee: PRAXAIR TECHNOLOGY, INC.Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Publication number: 20190060822Abstract: The present invention provides a low cost surge tank design for pressure swing adsorption plants that does not contain internal structures, achieves good mixing and is 15-20% less expensive than the conventional designs. The surge tank is characterized by having a first inlet located in the upper quadrant of said surge tank and a second inlet located in the lower quadrant of said surge tank, wherein said inlets configured to fluidly couple the interior of said surge tank with the exterior of said surge tank; and wherein said first and second inlets are tangentially configured to allow flow to enter said surge tank in diametrically opposite directions.Type: ApplicationFiled: October 27, 2016Publication date: February 28, 2019Inventors: Arya Ayaskanta, Paul W. Belanger
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Publication number: 20190063827Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall and radially spaced therefrom to define an annulus column region as the space between the first annular column wall and the second annular column wall. An interior core column region is also defined by the interior space of the second annular column wall. The present annular divided wall column further includes a plurality of packing elements, plurality of trays or a heat exchange device disposed within the interior core column region; and a plurality of packing elements disposed within the annulus column region.Type: ApplicationFiled: July 23, 2018Publication date: February 28, 2019Inventors: Kirk F. Larson, Paul W. Belanger, Steven C. Brown, John P. Ricotta, Guang X. Chen, Richard D. Lenz
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Publication number: 20190063829Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: ApplicationFiled: July 23, 2018Publication date: February 28, 2019Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Publication number: 20190063828Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall and radially spaced therefrom to define an annulus column region as the space between the first annular column wall and the second annular column wall. An interior core column region is also defined by the interior space of the second annular column wall. The present annular divided wall column further includes a plurality of packing elements, plurality of trays or a heat exchange device disposed within the interior core column region; and a plurality of packing elements disposed within the annulus column region.Type: ApplicationFiled: July 23, 2018Publication date: February 28, 2019Inventors: Kirk F. Larson, Paul W. Belanger, Steven C. Brown, John P. Ricotta, Guang X. Chen, Richard D. Lenz
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Publication number: 20190063831Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: ApplicationFiled: July 23, 2018Publication date: February 28, 2019Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust
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Publication number: 20190063830Abstract: An annular divided wall column for the cryogenic rectification of air or constituents of air is provided. The annular divided wall column includes a first annular column wall and a second annular column wall disposed within the first annular column wall to define an annulus column region and an interior core column region. The present annular divided wall column further includes structured packing elements disposed within at least the annulus column region as well as a ring-shaped cantilevered collector; and a ring-shaped distributor disposed in the annulus column region above or below the plurality of structured packing elements. The thermal expansion and contraction of the second annular column wall in a radial direction and in an axial direction is independent of the thermal expansion and contraction of the first annular column wall in the radial and axial directions.Type: ApplicationFiled: July 23, 2018Publication date: February 28, 2019Inventors: Kevin J. Saboda, Paul W. Belanger, Richard D. Lenz, Kirk F. Larson, Steven C. Brown, John P. Ricotta, Guang X. Chen, Jeremy D. Faust