Patents by Inventor Brett A. Pfeffer
Brett A. Pfeffer 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: 11890692Abstract: A method of making a fluid injection component for a gas turbine engine includes depositing material onto a piece of tube stock. The method includes machining an elbow into the deposited material, wherein machining the elbow includes forming a braze joint surface in the deposited material. Depositing can include laser cladding the material onto the piece of tube stock.Type: GrantFiled: October 5, 2021Date of Patent: February 6, 2024Assignee: Collins Engine Nozzles, Inc.Inventors: Brett A. Pfeffer, Jason Ryon, Pete J. Schnoebelen
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Patent number: 11701726Abstract: A method of making a fluid injector for a gas turbine engine includes depositing material onto a piece of tube stock. The method includes machining the deposited material into a fluid injector component. Depositing can include laser cladding the material onto the piece of tube stock. The method can include placing or flowing braze into a braze joint location between the deposited material and another fluid injector component and forming the braze into a braze joint in the braze joint location.Type: GrantFiled: October 5, 2021Date of Patent: July 18, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Brett A. Pfeffer, Jason Ryon, Pete J. Schnoebelen
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Publication number: 20230201943Abstract: A method of making a fluid injector for a gas turbine engine includes depositing material onto a piece of tube stock. The method includes machining the deposited material into a fluid injector component. Depositing can include laser cladding the material onto the piece of tube stock. The method can include placing or flowing braze into a braze joint location between the deposited material and another fluid injector component and forming the braze into a braze joint in the braze joint location.Type: ApplicationFiled: February 23, 2023Publication date: June 29, 2023Applicant: Collins Engine Nozzles, Inc.Inventors: Brett A. Pfeffer, Jason A. Ryon, Pete J. Schnoebelen
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Publication number: 20230104816Abstract: A method of making a fluid injection component for a gas turbine engine includes depositing material onto a piece of tube stock. The method includes machining an elbow into the deposited material, wherein machining the elbow includes forming a braze joint surface in the deposited material. Depositing can include laser cladding the material onto the piece of tube stock.Type: ApplicationFiled: October 5, 2021Publication date: April 6, 2023Applicant: Delavan Inc.Inventors: Brett A. Pfeffer, Jason Ryon, Pete J. Schnoebelen
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Publication number: 20230105416Abstract: A method of making a fluid injector for a gas turbine engine includes depositing material onto a piece of tube stock. The method includes machining the deposited material into a fluid injector component. Depositing can include laser cladding the material onto the piece of tube stock. The method can include placing or flowing braze into a braze joint location between the deposited material and another fluid injector component and forming the braze into a braze joint in the braze joint location.Type: ApplicationFiled: October 5, 2021Publication date: April 6, 2023Applicant: Delavan Inc.Inventors: Brett A. Pfeffer, Jason Ryon, Pete J. Schnoebelen
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Publication number: 20230108259Abstract: A method of making a threaded inlet fitting on a fluid injection component for a gas turbine engine includes depositing material onto a piece of tube stock. The method includes machining threads into the deposited material. Depositing can include laser cladding the material onto the piece of tube stock. The piece of tube stock can be a feed arm of a fluid injector.Type: ApplicationFiled: October 5, 2021Publication date: April 6, 2023Applicant: Delavan Inc.Inventors: Jason Ryon, Brett A. Pfeffer, Pete J. Schnoebelen
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Publication number: 20230001499Abstract: A method including depositing a first material on a first member by an additive manufacturing process in a pattern intended to aid in an assembly of the first member and at least a second member and inserting the first member at least partially into the second member, with the first material being guide for insertion.Type: ApplicationFiled: September 12, 2022Publication date: January 5, 2023Applicant: Collins Engine Nozzles, Inc.Inventors: Brett A. Pfeffer, Robert W. Vierhout, Dustin Andrew Borror, Troy Finton
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Patent number: 11440115Abstract: A method including depositing a first material on a first member by an additive manufacturing process in a pattern intended to aid in an assembly of the first member and at least a second member and inserting the first member at least partially into the second member, with the first material being guide for insertion.Type: GrantFiled: March 30, 2021Date of Patent: September 13, 2022Assignee: Collins Engine Nozzles, Inc.Inventors: Brett A. Pfeffer, Robert W. Vierhout, Dustin Andrew Borror, Troy Finton
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Publication number: 20210299772Abstract: A method including depositing a first material on a first member by an additive manufacturing process in a pattern intended to aid in an assembly of the first member and at least a second member and inserting the first member at least partially into the second member, with the first material being guide for insertion.Type: ApplicationFiled: March 30, 2021Publication date: September 30, 2021Applicant: Delavan Inc.Inventors: Brett A. Pfeffer, Robert W. Vierhout, Dustin Andrew Borror, Troy Finton
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Publication number: 20200263813Abstract: A system of co-centric conduits for transporting fuel, liquid, or gas including a first conduit elongated along a longitudinal axis defining an inner diameter, an outer diameter defined by an outer surface, a second conduit surrounding the first conduit elongated along the longitudinal axis defining an inner diameter defined by an inner surface and an outer diameter defined by an outer surface, a clearance between the first outer diameter and the second inner diameter, and a separating member mounted to the outer surface of the first member configured for maintaining the clearance between the outer diameter of the first conduit and the inner diameter of the second conduit.Type: ApplicationFiled: February 20, 2019Publication date: August 20, 2020Inventors: Brett A. Pfeffer, Dustin Andrew Borror, Robert W. Vierhout
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Patent number: 10584878Abstract: A swirler includes a swirler body and a plurality of axial swirl vanes extending radially outward from the swirler body. At least one of the swirler body or vanes includes a spring channel defined therethrough. A fuel injector for a gas turbine engine can include an inner air swirler and/or outer air swirler as described above.Type: GrantFiled: February 28, 2018Date of Patent: March 10, 2020Assignee: Delavan Inc.Inventors: Brett A. Pfeffer, Jason A. Ryon
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Patent number: 10436448Abstract: An injector includes a feed arm extending from an inlet fitting to a nozzle body opposite the inlet fitting. The nozzle body includes a spray outlet in fluid communication with the inlet fitting for issuing a spray of fluid supplied at the inlet fitting. The inlet fitting of the feed arm includes a receptacle therein for receiving a fluid supply manifold inside the inlet fitting of the feed arm.Type: GrantFiled: December 16, 2015Date of Patent: October 8, 2019Assignee: Delavan Inc.Inventors: Jason A. Ryon, Brett A. Pfeffer, Mark A. Caples, Daniel E. Bleeker
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Patent number: 10202871Abstract: A strainer body strainer body has a conical or bullet-like shape and includes a tip portion, a midsection, and a base portion. The midsection connects the tip portion to the base portion such that the tip portion, midsection, and base portion are aligned with one another along a straining axis defined by the strainer body. The strainer body includes a plurality of layers fused to one another and angled relative to the straining axis. The plurality of layers define flow passages that extend through the strainer body to impound particulate entrained in fluid traversing the strainer body through the flow passages of the strainer body.Type: GrantFiled: January 14, 2016Date of Patent: February 12, 2019Assignee: Delavan Inc.Inventors: Jason A. Ryon, Brett A. Pfeffer, Mark A. Caples
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Publication number: 20180187890Abstract: A swirler includes a swirler body and a plurality of axial swirl vanes extending radially outward from the swirler body. At least one of the swirler body or vanes includes a spring channel defined therethrough. A fuel injector for a gas turbine engine can include an inner air swirler and/or outer air swirler as described above.Type: ApplicationFiled: February 28, 2018Publication date: July 5, 2018Inventors: Brett A. Pfeffer, Jason A. Ryon
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Patent number: 9939155Abstract: A swirler includes a swirler body and a plurality of axial swirl vanes extending radially outward from the swirler body. At least one of the swirler body or vanes includes a spring channel defined therethrough. A fuel injector for a gas turbine engine can include an inner air swirler and/or outer air swirler as described above.Type: GrantFiled: January 26, 2015Date of Patent: April 10, 2018Assignee: Delavan Inc.Inventors: Brett A. Pfeffer, Jason A. Ryon
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Publication number: 20170204746Abstract: A strainer body strainer body has a conical or bullet-like shape and includes a tip portion, a midsection, and a base portion. The midsection connects the tip portion to the base portion such that the tip portion, midsection, and base portion are aligned with one another along a straining axis defined by the strainer body. The strainer body includes a plurality of layers fused to one another and angled relative to the straining axis. The plurality of layers define flow passages that extend through the strainer body to impound particulate entrained in fluid traversing the strainer body through the flow passages of the strainer body.Type: ApplicationFiled: January 14, 2016Publication date: July 20, 2017Inventors: Jason A. Ryon, Brett A. Pfeffer, Mark A. Caples
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Publication number: 20170176010Abstract: An injector includes a feed arm extending from an inlet fitting to a nozzle body opposite the inlet fitting. The nozzle body includes a spray outlet in fluid communication with the inlet fitting for issuing a spray of fluid supplied at the inlet fitting. The inlet fitting of the feed arm includes a receptacle therein for receiving a fluid supply manifold inside the inlet fitting of the feed arm.Type: ApplicationFiled: December 16, 2015Publication date: June 22, 2017Inventors: Jason A. Ryon, Brett A. Pfeffer, Mark A. Caples, Daniel E. Bleeker
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Publication number: 20170080361Abstract: A strainer has a strainer body with a width and a height. The height of the strainer body is smaller than the width of the strainer body. The strainer body has a serpentine cross-sectional profile to provide rigidity and straining area. A fuel injector includes a strainer as described and a nozzle body with a fuel circuit defined therein. The strainer is integrally coupled to the nozzle body and is in fluid communication with the fuel circuit to remove entrained particulate from fuel traversing the strainer prior to the fuel reaching the fuel circuit.Type: ApplicationFiled: September 18, 2015Publication date: March 23, 2017Inventors: Jason A. Ryon, Brett A. Pfeffer, Mark A. Caples
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Patent number: 9556795Abstract: A fuel injector for a gas turbine engine includes a nozzle tip assembly having a substantially monolithically formed nozzle body. The nozzle body has an annular outlet chamber for issuing a spray from the nozzle tip. A feed channel is in fluid communication with the outlet chamber through a feed passage. A heat shield void substantially surrounds the feed channel(s).Type: GrantFiled: February 26, 2014Date of Patent: January 31, 2017Assignee: Delavan IncInventors: Jason A. Ryon, Brett A. Pfeffer, Matthew R. Donovan, Philip E. Buelow
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Publication number: 20160215982Abstract: A swirler includes a swirler body and a plurality of axial swirl vanes extending radially outward from the swirler body. At least one of the swirler body or vanes includes a spring channel defined therethrough. A fuel injector for a gas turbine engine can include an inner air swirler and/or outer air swirler as described above.Type: ApplicationFiled: January 26, 2015Publication date: July 28, 2016Inventors: Brett A. Pfeffer, Jason A. Ryon