Patents by Inventor Jacob Greenfield
Jacob Greenfield 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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Publication number: 20210324870Abstract: An impeller includes a housing having a fluid inlet cavity defining a rotational axis. A plurality of vane are inlets arranged along an inner surface of the fluid inlet cavity and a plurality of vane outlets are circumferentially arranged along a rim of the housing. Each of the vane outlets is fluidly connected to a corresponding vane inlet by a corresponding internal channel situated internal to the housing. Each of the channels maintains a triangular cross-section from the vane inlet to the vane outlet.Type: ApplicationFiled: April 20, 2021Publication date: October 21, 2021Applicant: Hamilton Sundstrand CorporationInventors: Jacob Greenfield, Thomas J. Ocken, John Sypek, Andrew W. Solomon
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Patent number: 11131459Abstract: An air mixer includes an annular body defining a center axis. A plurality of slots are defined in the annular body circumferentially spaced apart from one another. Each slot defines a respective center injection axis extending from an outer surface of the annular body to an inner surface of the annular body. Each respective center injection axis is parallel to a respective plane bisecting the annular body. At least one of the slots is intersected by the respective bisecting plane parallel to its respective center injection axis.Type: GrantFiled: September 26, 2017Date of Patent: September 28, 2021Assignee: Delavan Inc.Inventors: Jason A. Ryon, Lev Alexander Prociw, Jacob Greenfield
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Publication number: 20210285644Abstract: An assembly for a turbomachine can include a fuel nozzle and a combustion liner. The fuel nozzle and the combustion liner can be attached to each using a plurality of clip joints such that the combustion liner is longitudinally fixed relative to the fuel nozzle but such that the combustion liner can radially move relative to the fuel nozzle.Type: ApplicationFiled: June 2, 2021Publication date: September 16, 2021Applicant: Delavan, Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Jason A. Ryon
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Publication number: 20210231056Abstract: A turbomachine fuel injector system includes an air distributor configured to be mounted to and contained within a casing and to provide air to mix with a fuel from one or more fuel distribution systems. The system includes a fuel manifold configured to be mounted indirectly to the casing such that the fuel manifold system is contained within the casing but is independent such that fuel manifold does not touch or directly mount to either an interior of the casing or touch the air distributor within the casing to prevent or reduce thermal transfer from the air distributor to the fuel manifold.Type: ApplicationFiled: April 13, 2021Publication date: July 29, 2021Applicant: Delavan Inc.Inventors: Jacob Greenfield, Jason A. Ryon, Lev A. Prociw
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Patent number: 11047576Abstract: An assembly for a turbomachine can include a fuel nozzle and a combustion liner. The fuel nozzle and the combustion liner can be attached to each using a plurality of clip joints such that the combustion liner is longitudinally fixed relative to the fuel nozzle but such that the combustion liner can radially move relative to the fuel nozzle.Type: GrantFiled: March 29, 2017Date of Patent: June 29, 2021Assignee: Delavan, Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Jason A. Ryon
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Patent number: 11002193Abstract: A turbomachine fuel injector system includes an air distributor configured to be mounted to and contained within a casing and to provide air to mix with a fuel from one or more fuel distribution systems. The system includes a fuel manifold configured to be mounted indirectly to the casing such that the fuel manifold system is contained within the casing but is independent such that fuel manifold does not touch or directly mount to either an interior of the casing or touch the air distributor within the casing to prevent or reduce thermal transfer from the air distributor to the fuel manifold.Type: GrantFiled: December 15, 2017Date of Patent: May 11, 2021Assignee: Delavan Inc.Inventors: Jacob Greenfield, Jason A. Ryon, Lev Alexander Prociw
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Publication number: 20210060922Abstract: A method includes beginning an additively manufactured build by depositing initial layers of the build on a build plate, and additively manufacturing a temperature control channel as part of the build in progress. The method also includes controlling temperature in the temperature control channel while continuing to additively manufacture the build to provide temperature control for the build in progress. The method also includes completing additive manufacture of the build. The method can include removing the temperature control channel from the build after completion of the build.Type: ApplicationFiled: August 27, 2019Publication date: March 4, 2021Inventors: Jason Ryon, Jacob Greenfield, Shawn K. Reynolds, Vijay V. Pujar
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Publication number: 20210041105Abstract: A method for assembling a fuel distribution system for a turbomachine fuel injector includes inserting a liquid fuel distributor into an interior cavity of a shroud to create a liquid fuel distribution circuit between the liquid fuel distributor and the shroud and inserting a gas fuel distributor into the interior cavity of the shroud and into an interior cavity of the liquid fuel distributor to create a gas fuel distribution circuit between the gas fuel distributor and the liquid fuel distributor. The method includes inserting a fuel transfer tube into an outer diameter of the shroud. The method includes brazing or shrink fitting at least one of the fuel transfer tube, the gas fuel distributor, or the liquid fuel distributor to the shroud.Type: ApplicationFiled: October 26, 2020Publication date: February 11, 2021Applicant: Delavan Inc.Inventors: Lev A. Prociw, Jason A. Ryon, Jacob Greenfield
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Patent number: 10830446Abstract: A method for assembling a fuel distribution system for a turbomachine fuel injector includes inserting a liquid fuel distributor into an interior cavity of a shroud to create a liquid fuel distribution circuit between the liquid fuel distributor and the shroud and inserting a gas fuel distributor into the interior cavity of the shroud and into an interior cavity of the liquid fuel distributor to create a gas fuel distribution circuit between the gas fuel distributor and the liquid fuel distributor. The method includes inserting a fuel transfer tube into an outer diameter of the shroud. The method includes brazing or shrink fitting at least one of the fuel transfer tube, the gas fuel distributor, or the liquid fuel distributor to the shroud.Type: GrantFiled: December 15, 2017Date of Patent: November 10, 2020Assignee: Delavan Inc.Inventors: Lev Alexander Prociw, Jason A. Ryon, Jacob Greenfield
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Publication number: 20200292168Abstract: A swirler includes an inner body defining a swirl axis. A plurality of swirl vanes extend outward from the inner body. The swirl vanes define respective swirl slots therebetween for imparting swirl on a fluid passing through the swirl slots. A method of making swirlers includes additively manufacturing a stack of swirlers.Type: ApplicationFiled: February 10, 2020Publication date: September 17, 2020Applicant: Delavan Inc.Inventors: Jason A. Ryon, Joseph Samo, Jacob Greenfield, Andy W. Tibbs
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Publication number: 20200224876Abstract: A fuel injector for a gas turbine engine includes a fuel inlet fitting for receiving fuel, with a feed arm mounted to the inlet. The feed arm has a lattice support structure. The lattice support structure may include a plurality of three-dimensional elements, a first conduit, and a second conduit in fluid communication with the inlet for conveying fuel from the inlet fitting through the feed arm, wherein the conduits are intertwined with each other, and a nozzle body operatively connected to the feed arm for injecting fuel from the conduits into a combustor of the gas turbine engine.Type: ApplicationFiled: January 15, 2019Publication date: July 16, 2020Inventors: Jacob Greenfield, Brandon Phillip Williams
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Publication number: 20200182764Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: ApplicationFiled: February 17, 2020Publication date: June 11, 2020Applicant: Delavan, Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Jerry Logsdon, Lukas Shea
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Publication number: 20200088409Abstract: An injector includes a mounting flange having a mounting lug with fastener bore therethrough that passes through the mounting flange. A support beam extends along an outer surface of the mounting flange from the mounting lug to a hub of the mounting flange. The support beam includes an outer surface spaced apart from the outer surface of the mounting flange and two opposed lateral surfaces each extending from the outer surface of the support beam toward the outer surface of the mounting flange. The outer surface of the support beam includes a contour and/or the support beam includes a stiffening beam that is wider than the width between the opposed lateral surfaces of the support beam.Type: ApplicationFiled: November 8, 2019Publication date: March 19, 2020Inventors: Jacob Greenfield, Dustin Andrew Borror, Mark A. Caples
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Patent number: 10578022Abstract: A transfer tube assembly includes an outer tube defining a first flow path and an inner tube positioned within the first flow path. The inner tube defines a second flow path in fluid isolation from the first flow path. A connecting segment is downstream from the inner tube and the outer tube. The connecting segment has a first bore in fluid communication with the first flow path and a second bore in fluid communication with the second flow path.Type: GrantFiled: September 25, 2017Date of Patent: March 3, 2020Assignee: Delavan Inc.Inventors: Jason A. Ryon, Jacob Greenfield, Lev Alexander Prociw
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Patent number: 10578531Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: GrantFiled: July 10, 2018Date of Patent: March 3, 2020Assignee: Delavan Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Andy W. Tibbs, Lukas Shea, Joseph Samo
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Patent number: 10570826Abstract: A fluid manifold includes a manifold body, a first annular passage and a second annular passage. The first annular passage is defined within the manifold body between a first passage inlet and a first passage outlet downstream from the first passage inlet. The second annular passage is defined within the manifold body nested radially outward from the first annular passage, and between a second passage inlet and a second passage outlet downstream from the second passage inlet. The first and second annular passages are concentric about a manifold axis. The first passage outlet and the second passage outlet are positioned at the same axial position relative to the manifold axis.Type: GrantFiled: September 25, 2017Date of Patent: February 25, 2020Assignee: Delavan Inc.Inventors: Jason A. Ryon, Jacob Greenfield, Lev Alexander Prociw
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Patent number: 10571377Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: GrantFiled: July 10, 2018Date of Patent: February 25, 2020Assignee: Delavan Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Jerry Logsdon, Lukas Shea
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Patent number: 10557630Abstract: A swirler includes an inner body defining a swirl axis. A plurality of swirl vanes extend outward from the inner body. The swirl vanes define respective swirl slots therebetween for imparting swirl on a fluid passing through the swirl slots. A method of making swirlers includes additively manufacturing a stack of swirlers.Type: GrantFiled: January 15, 2019Date of Patent: February 11, 2020Assignee: Delavan Inc.Inventors: Jason A. Ryon, Joseph Samo, Jacob Greenfield, Andy W. Tibbs
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Publication number: 20200018674Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: ApplicationFiled: July 10, 2018Publication date: January 16, 2020Inventors: Jacob Greenfield, Thomas J. Ocken, Andy W. Tibbs, Lukas Shea, Joseph Samo
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Publication number: 20200018675Abstract: A system can include a torsion applicator (e.g., a torsion motor and shaft) configured to apply a torque to a test article that is additively built on and attached to a build plate. The system can include at least one twist sensor and at least one torque sensor. A method for determining quality of an additively manufactured article or batch thereof can include torsion testing at least one additively manufactured test article that is built on and attached to a build plate while the at least one test article is still attached to the build plate.Type: ApplicationFiled: July 10, 2018Publication date: January 16, 2020Inventors: Jacob Greenfield, Thomas J. Ocken, Jerry Logsdon, Lukas Shea