Patents by Inventor David Patrick Calder
David Patrick Calder 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: 11915679Abstract: An acoustic liner is provided. The acoustic liner includes a face sheet, a back sheet spaced from the face sheet, and a core layer defining a cellular structure disposed between the face sheet and the back sheet. The core layer includes a plurality of first resonant cells coupled to the back sheet. Each of the first resonant cells includes a first cell wall coupled to the back sheet along a first cell wall base edge, the first cell wall extending from the back sheet toward the face sheet, the first cell wall further coupled to the face sheet along a first cell wall top edge, wherein the first cell wall of each of the first resonant cells comprises a surface extension that extends from a surface of the first cell wall.Type: GrantFiled: December 2, 2021Date of Patent: February 27, 2024Assignees: General Electric Company, MRA Systems, LLCInventors: Wendy Wenling Lin, Michael Moses Martinez, Rudramuni Kariveerappa Majjigi, David Patrick Calder, Aaron Goldsholl
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Patent number: 11434819Abstract: An acoustic liner may include an acoustic core having an array of resonant cells, and an acoustic screen disposed across the array of resonant cells. The resonant cells include a plurality of cell walls and a resonant space defined by the plurality of cell walls. The acoustic core may include a folded acoustic core. Additionally, or in the alternative, at least some of the resonant cells may include an oblique polyhedral cellular structure and/or a multitude of sound-attenuating protuberances. The acoustic screen may include a reticulate membrane and a support lattice.Type: GrantFiled: March 29, 2019Date of Patent: September 6, 2022Assignees: GENERAL ELECTRIC COMPANY, MRA SYSTEMS, LLCInventors: Shanmugam Murugappan, Michael Moses Martinez, Egbert Geertsema, Rudramuni Kariveerappa Majjigi, Richard David Cedar, Wendy Wenling Lin, Robert William Davidoff, David Patrick Calder, Graham Frank Howarth
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Publication number: 20220093073Abstract: An acoustic liner is provided. The acoustic liner includes a face sheet, a back sheet spaced from the face sheet, and a core layer defining a cellular structure disposed between the face sheet and the back sheet. The core layer includes a plurality of first resonant cells coupled to the back sheet. Each of the first resonant cells includes a first cell wall coupled to the back sheet along a first cell wall base edge, the first cell wall extending from the back sheet toward the face sheet, the first cell wall further coupled to the face sheet along a first cell wall top edge, wherein the first cell wall of each of the first resonant cells comprises a surface extension that extends from a surface of the first cell wall.Type: ApplicationFiled: December 2, 2021Publication date: March 24, 2022Inventors: Wendy Wenling Lin, Michael Moses Martinez, Rudramuni Kariveerappa Majjigi, David Patrick Calder, Aaron Goldsholl
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Patent number: 11227576Abstract: An acoustic liner and a method of attenuating noise are provided. The acoustic liner includes a face sheet, a back sheet spaced from the face sheet, and a core layer extending between the face sheet and the back sheet. The core layer includes a plurality of resonant cells, each resonant cell including at least one cell wall coupled to the back sheet along a cell wall base edge. The at least one cell wall extends from the back sheet at an angle toward the face sheet. The at least one cell wall further coupled to the face sheet along a cell wall top edge. The resonant cell is formed in a predetermined shape and contains a volume in a space defined by the at least one cell wall, the back sheet, and the face sheet. The cell wall base edge length is greater than the cell wall top edge length.Type: GrantFiled: May 17, 2019Date of Patent: January 18, 2022Assignees: GENERAL ELECTRIC COMPANY, MRA SYSTEMS, LLCInventors: Wendy Wenling Lin, Michael Moses Martinez, Rudramuni Kariveerappa Majjigi, David Patrick Calder, Aaron Goldsholl
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Patent number: 11149686Abstract: A thrust reverser assembly for a gas turbine engine including a core engine, a nacelle surrounding at least a portion of the core engine defining a bypass duct between the nacelle and the core engine where an outer door movable between a stowed position and a deployed position extends outwards from the nacelle and a blocker door movable between a stowed position and a deployed position extends into an airflow conduit defined by the bypass duct to deflect air outwards.Type: GrantFiled: March 25, 2019Date of Patent: October 19, 2021Assignee: MRA SYSTEMS, LLCInventors: David Patrick Calder, Graham Frank Howarth, Andrew Michael Roach, Timothy Robert Beasman
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Patent number: 10995699Abstract: A thrust reverser cascade can include a peripheral frame having at least one side. At least one plate can be mounted to the at least one side and have a plurality of spaced grooves. In addition, a plurality of vanes can include corresponding terminal ends positioned in the plurality of spaced grooves.Type: GrantFiled: February 19, 2018Date of Patent: May 4, 2021Assignee: MRA SYSTEMS, LLC.Inventors: Andrew Michael Roach, Graham Frank Howarth, David Patrick Calder
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Patent number: 10876479Abstract: An acoustic liner can include a support layer having a set of partitioned cavities with open faces, a first facing sheet and second facing sheet both having perforations and operably coupled to the support layer such that the facing sheets overlie and close the open faces, and an aerogel layer operably coupled to the second facing sheet.Type: GrantFiled: February 24, 2017Date of Patent: December 29, 2020Assignee: MRA SYSTEMS, LLC.Inventors: Andrew Michael Roach, David Patrick Calder, Graham Frank Howarth
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Patent number: 10837368Abstract: An acoustic liner can comprise a support layer including a set of partitioned cavities defining a set of cells with open faces, as well as a first and second facing sheet operably coupled to the support layer that overlie and close the open faces. A set of aerogel fillings can be provided within at least some of the set of cells.Type: GrantFiled: February 24, 2017Date of Patent: November 17, 2020Assignee: MRA SYSTEMS, LLCInventors: Graham Frank Howarth, David Patrick Calder, Andrew Michael Roach
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Publication number: 20200309028Abstract: An acoustic liner may include an acoustic core having an array of resonant cells, and an acoustic screen disposed across the array of resonant cells. The resonant cells include a plurality of cell walls and a resonant space defined by the plurality of cell walls. The acoustic core may include a folded acoustic core. Additionally, or in the alternative, at least some of the resonant cells may include an oblique polyhedral cellular structure and/or a multitude of sound-attenuating protuberances. The acoustic screen may include a reticulate membrane and a support lattice.Type: ApplicationFiled: March 29, 2019Publication date: October 1, 2020Inventors: Shanmugam Murugappan, Michael Moses Martinez, Egbert Geertsema, Rudramuni Kariveerappa Majjigi, Richard David Cedar, Wendy Wenling Lin, Robert William Davidoff, David Patrick Calder, Graham Frank Howarth
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Patent number: 10578055Abstract: A thrust reverser assembly for a turbine engine can include a core engine surrounded by a nacelle. A bypass duct can be formed in the space between the core engine and the nacelle. A blocker door can be movable to a deployed position extending into the bypass duct. A stop can be provided on the core engine to abut and support force applied to the deployed blocker door. The stop can have an airfoil shape.Type: GrantFiled: August 10, 2017Date of Patent: March 3, 2020Assignee: MRA Systems, LLCInventors: David Patrick Calder, Keith E J Blodgett, Graham Frank Howarth, Andrew Michael Roach
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Patent number: 10550797Abstract: A turbine engine having an engine core, an inner cowl radially surrounding the engine core, an outer cowl radially surrounding the inner cowl and spaced from the inner cowl to form an annular passage between the inner and outer cowls that defines a nozzle, at least one control surface provided on the inner cowl and movable between a retracted position, where the nozzle has a first cross-sectional area, and an extended position where the nozzle has a second cross-sectional area that is less than the first cross-sectional area and an actuator operably coupled to the control surface and configured to move the control surface to control the cross-sectional area of the nozzle.Type: GrantFiled: February 11, 2015Date of Patent: February 4, 2020Assignee: MRA Systems, LLCInventors: Graham Frank Howarth, David Patrick Calder
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Publication number: 20200025136Abstract: A thrust reverser assembly for a gas turbine engine including a core engine, a nacelle surrounding at least a portion of the core engine defining a bypass duct between the nacelle and the core engine where an outer door movable between a stowed position and a deployed position extends outwards from the nacelle and a blocker door movable between a stowed position and a deployed position extends into an airflow conduit defined by the bypass duct to deflect air outwards.Type: ApplicationFiled: March 25, 2019Publication date: January 23, 2020Inventors: David Patrick Calder, Graham Frank Howarth, Andrew Michael Roach, Timothy Robert Beasman
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Publication number: 20190272812Abstract: An acoustic liner and a method of attenuating noise are provided. The acoustic liner includes a face sheet, a back sheet spaced from the face sheet, and a core layer extending between the face sheet and the back sheet. The core layer includes a plurality of resonant cells, each resonant cell including at least one cell wall coupled to the back sheet along a cell wall base edge. The at least one cell wall extends from the back sheet at an angle toward the face sheet. The at least one cell wall further coupled to the face sheet along a cell wall top edge. The resonant cell is formed in a predetermined shape and contains a volume in a space defined by the at least one cell wall, the back sheet, and the face sheet. The cell wall base edge length is greater than the cell wall top edge length.Type: ApplicationFiled: May 17, 2019Publication date: September 5, 2019Inventors: Wendy Wenling Lin, Michael Moses Martinez, Rudramuni Kariveerappa Majjigi, David Patrick Calder, Aaron Goldsholl
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Publication number: 20190257268Abstract: A thrust reverser cascade can include a peripheral frame having at least one side. At least one plate can be mounted to the at least one side and have a plurality of spaced grooves. In addition, a plurality of vanes can include corresponding terminal ends positioned in the plurality of spaced grooves.Type: ApplicationFiled: February 19, 2018Publication date: August 22, 2019Inventors: Andrew Michael Roach, Graham Frank Howarth, David Patrick Calder
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Patent number: 10337408Abstract: A thermal insulation blanket assembly having a thermal insulation blanket including an aerogel insulation material having a first surface and a second surface that is oppositely-disposed from the first surface, a backing covering the second surface of the aerogel insulation material, and a skin layer covering the first surface of the aerogel insulation material.Type: GrantFiled: June 8, 2016Date of Patent: July 2, 2019Assignee: MRA Systems, LLCInventors: Andrew Michael Roach, David Patrick Calder, Graham Frank Howarth
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Patent number: 10332501Abstract: An acoustic liner and a method of attenuating noise are provided. The acoustic liner includes a face sheet, a back sheet spaced from the face sheet, and a core layer extending between the face sheet and the back sheet. The core layer includes a plurality of resonant cells, each resonant cell including at least one cell wall coupled to the back sheet along a cell wall base edge. The at least one cell wall extends from the back sheet at an angle toward the face sheet. The at least one cell wall further coupled to the face sheet along a cell wall top edge. The resonant cell is formed in a predetermined shape and contains a volume in a space defined by the at least one cell wall, the back sheet, and the face sheet. The cell wall base edge length is greater than the cell wall top edge length.Type: GrantFiled: February 1, 2017Date of Patent: June 25, 2019Assignees: GENERAL ELECTRIC COMPANY, MRA SYSTEMS, LLCInventors: Wendy Wenling Lin, Michael Moses Martinez, Rudramuni Kariveerappa Majjigi, David Patrick Calder, Aaron Goldsholl
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Patent number: 10267262Abstract: A thrust reverser assembly for a gas turbine engine including a core engine, a nacelle surrounding at least a portion of the core engine defining a bypass duct between the nacelle and the core engine where an outer door movable between a stowed position and a deployed position extends outwards from the nacelle and a blocker door movable between a stowed position and an deployed position extends into an airflow conduit defined by the bypass duct to deflect air outwards.Type: GrantFiled: May 6, 2016Date of Patent: April 23, 2019Assignee: MRA SYSTEMS, LLCInventors: David Patrick Calder, Graham Frank Howarth, Andrew Michael Roach, Timothy Robert Beasman
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Publication number: 20190048824Abstract: A thrust reverser assembly for a turbine engine can include a core engine surrounded by a nacelle. A bypass duct can be formed in the space between the core engine and the nacelle. A blocker door can be movable to a deployed position extending into the bypass duct. A stop can be provided on the core engine to abut and support force applied to the deployed blocker door. The stop can have an airfoil shape.Type: ApplicationFiled: August 10, 2017Publication date: February 14, 2019Inventors: David Patrick Calder, Keith EJ Blodgett, Graham Frank Howarth, Andrew Michael Roach
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Publication number: 20180245515Abstract: An acoustic liner can include a support layer having a set of partitioned cavities with open faces, a first facing sheet and second facing sheet both having perforations and operably coupled to the support layer such that the facing sheets overlie and close the open faces, and an aerogel layer operably coupled to the second facing sheet.Type: ApplicationFiled: February 24, 2017Publication date: August 30, 2018Inventors: Andrew Michael Roach, David Patrick Calder, Graham Frank Howarth
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Publication number: 20180245516Abstract: An acoustic liner can comprise a support layer including a set of partitioned cavities defining a set of cells with open faces, as well as a first and second facing sheet operably coupled to the support layer that overlie and close the open faces. A set of aerogel fillings can be provided within at least some of the set of cells.Type: ApplicationFiled: February 24, 2017Publication date: August 30, 2018Inventors: Graham Frank Howarth, David Patrick Calder, Andrew Michael Roach