Patents by Inventor Donald Lee Hill
Donald Lee Hill 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: 11892031Abstract: A compressor includes a housing, a shaft that is rotated relative to the housing to compress a working fluid, and a foil bearing that supports the shaft. The foil bearing includes a top foil. The foil bearing is a foil gas bearing that is backed up by a ball bearing, or a mesh foil bearing with an actuator to compress a wire mesh dampener. A heat transfer circuit includes a compressor and a working fluid. The compressor includes a shaft that is rotated to compress the working fluid, and a foil bearing for supporting the shaft as it rotates.Type: GrantFiled: January 30, 2023Date of Patent: February 6, 2024Assignee: TRANE INTERNATIONAL INC.Inventors: Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Jay H. Johnson, Joseph M. Heger
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Patent number: 11867230Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.Type: GrantFiled: October 17, 2022Date of Patent: January 9, 2024Assignee: TRANE INTERNATIONAL INC.Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Publication number: 20230349421Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.Type: ApplicationFiled: October 17, 2022Publication date: November 2, 2023Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Publication number: 20230184286Abstract: A compressor includes a housing, a shaft that is rotated relative to the housing to compress a working fluid, and a foil bearing that supports the shaft. The foil bearing includes a top foil. The foil bearing is a foil gas bearing that is backed up by a ball bearing, or a mesh foil bearing with an actuator to compress a wire mesh dampener. A heat transfer circuit includes a compressor and a working fluid. The compressor includes a shaft that is rotated to compress the working fluid, and a foil bearing for supporting the shaft as it rotates.Type: ApplicationFiled: January 30, 2023Publication date: June 15, 2023Inventors: Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Jay H. Johnson, Joseph M. Heger
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Patent number: 11566663Abstract: A compressor includes a housing, a shaft that is rotated relative to the housing to compress a working fluid, and a foil bearing that supports the shaft. The foil bearing includes a top foil. The foil bearing is a foil gas bearing that is backed up by a ball bearing, or a mesh foil bearing with an actuator to compress a wire mesh dampener. A heat transfer circuit includes a compressor and a working fluid. The compressor includes a shaft that is rotated to compress the working fluid, and a foil bearing for supporting the shaft as it rotates.Type: GrantFiled: June 26, 2019Date of Patent: January 31, 2023Assignee: TRANE INTERNATIONAL INC.Inventors: Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Jay H. Johnson, Joseph M. Heger
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Patent number: 11473621Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.Type: GrantFiled: September 14, 2020Date of Patent: October 18, 2022Assignee: TRANE INTERNATIONAL INC.Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Publication number: 20200408245Abstract: A compressor includes a housing, a shaft that is rotated relative to the housing to compress a working fluid, and a foil bearing that supports the shaft. The foil bearing includes a top foil. The foil bearing is a foil gas bearing that is backed up by a ball bearing, or a mesh foil bearing with an actuator to compress a wire mesh dampener. A heat transfer circuit includes a compressor and a working fluid. The compressor includes a shaft that is rotated to compress the working fluid, and a foil bearing for supporting the shaft as it rotates.Type: ApplicationFiled: June 26, 2019Publication date: December 31, 2020Inventors: Sung Hwa Jeung, Charles Roesler, Donald Lee Hill, Jay H. Johnson, Joseph M. Heger
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Publication number: 20200408256Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.Type: ApplicationFiled: September 14, 2020Publication date: December 31, 2020Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Patent number: 10774873Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.Type: GrantFiled: June 11, 2018Date of Patent: September 15, 2020Assignee: TRANE INTERNATIONAL INC.Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Patent number: 10753392Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer includes a plurality of segments arranged in a longitudinal direction of the aperture. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a plurality of dampers. The plurality of dampers is disposed circumferentially about the aperture. The plurality of dampers is arranged in between a first segment of the plurality of segments of the porous surface layer and a second segment of the plurality of segments of the porous surface layer.Type: GrantFiled: June 11, 2018Date of Patent: August 25, 2020Assignee: TRANE INTERNATIONAL INC.Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Publication number: 20190376556Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a damping system including a biasing member, the biasing member being disposed in a passageway that extends along the longitudinal direction of the aperture and circumferentially about the aperture, wherein the biasing member is arranged radially outward from the porous surface layer.Type: ApplicationFiled: June 11, 2018Publication date: December 12, 2019Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio
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Publication number: 20190376555Abstract: A porous gas bearing is disclosed. The porous gas bearing includes a housing having a fluid inlet and an aperture. A porous surface layer is disposed within the housing surrounding the aperture in a circumferential direction. The porous surface layer includes a plurality of segments arranged in a longitudinal direction of the aperture. The porous surface layer is in fluid communication with the fluid inlet. A damping system includes a plurality of dampers. The plurality of dampers is disposed circumferentially about the aperture. The plurality of dampers is arranged in between a first segment of the plurality of segments of the porous surface layer and a second segment of the plurality of segments of the porous surface layer.Type: ApplicationFiled: June 11, 2018Publication date: December 12, 2019Inventors: Sung Hwa Jeung, Jay H. Johnson, Donald Lee Hill, Matthew Cambio