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).
-
Patent number: 11913468Abstract: A method of making an impeller includes building the impeller in a layer by layer process in a build direction along the rotational axis starting from a base of the hub. The plurality of blades includes a plurality of perforated blades that support the shroud during additively manufacturing the impeller. The method can include installing the impeller in a fuel pump, air compressor, or the like, without removing the perforated blades from the impeller.Type: GrantFiled: April 18, 2023Date of Patent: February 27, 2024Assignee: Collins Engine Nozzles, Inc.Inventors: Jason A. Ryon, Jacob Greenfield, Adrian L. Stoicescu
-
Patent number: 11852075Abstract: 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: April 13, 2021Date of Patent: December 26, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Jacob Greenfield, Jason A. Ryon, Lev A. Prociw
-
Patent number: 11846425Abstract: A pilot nozzle for a dual fuel turbine engine includes an inner air circuit, a gaseous fuel circuit radially outward from the inner air circuit, a liquid fuel circuit radially outward from the inner air circuit, an outer air circuit radially outward from the liquid fuel circuit and the gaseous fuel circuit, and a shroud radially outward from the outer air circuit. The shroud is configured to stabilize a pilot re-circulation zone downstream from outlets of the inner and outer air circuits and the liquid and gaseous fuel circuits.Type: GrantFiled: January 19, 2023Date of Patent: December 19, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Lev A. Prociw, Jason A. Ryon, Jacob Greenfield
-
Patent number: 11774102Abstract: 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: June 2, 2021Date of Patent: October 3, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Jason A. Ryon
-
Publication number: 20230304666Abstract: A pilot nozzle for a dual fuel turbine engine includes an inner air circuit, a gaseous fuel circuit radially outward from the inner air circuit, a liquid fuel circuit radially outward from the inner air circuit, an outer air circuit radially outward from the liquid fuel circuit and the gaseous fuel circuit, and a shroud radially outward from the outer air circuit. The shroud is configured to stabilize a pilot re-circulation zone downstream from outlets of the inner and outer air circuits and the liquid and gaseous fuel circuits.Type: ApplicationFiled: January 19, 2023Publication date: September 28, 2023Applicants: Collins Engine Nozzles, Inc., Collins Engine Nozzles, Inc.Inventors: Lev A. Prociw, Jason A. Ryon, Jacob Greenfield
-
Patent number: 11761634Abstract: 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: October 26, 2020Date of Patent: September 19, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Lev A. Prociw, Jason A. Ryon, Jacob Greenfield
-
Publication number: 20230286008Abstract: A droplet delivery device includes an ejector mechanism with an ejector mesh or similar substrate with apertures that is treated by one or more of coatings, roughening, metal layer deposition and laser ablation to provide desirable production and size of droplets, such as in an inhaled aerosol from the device.Type: ApplicationFiled: March 9, 2023Publication date: September 14, 2023Applicant: Pneuma Respiratory, Inc.Inventors: Charles Eric Hunter, Matthew Culpepper, Michael Scoggin, Caley Modlin, Jeffrey Miller, Jose Salazar, Cristian Salazar, Gregory Rapp, Jacob Greenfield
-
Publication number: 20230258198Abstract: A method of making an impeller includes building the impeller in a layer by layer process in a build direction along the rotational axis starting from a base of the hub. The plurality of blades includes a plurality of perforated blades that support the shroud during additively manufacturing the impeller. The method can include installing the impeller in a fuel pump, air compressor, or the like, without removing the perforated blades from the impeller.Type: ApplicationFiled: April 18, 2023Publication date: August 17, 2023Applicant: Collins Engine Nozzles, Inc.Inventors: Jason A. Ryon, Jacob Greenfield, Adrian L. Stoicescu
-
Patent number: 11713769Abstract: 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: GrantFiled: April 20, 2021Date of Patent: August 1, 2023Assignee: Hamilton Sundstrand CorporationInventors: Jacob Greenfield, Thomas J. Ocken, John Sypek, Andrew W. Solomon
-
Patent number: 11674689Abstract: 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: August 26, 2021Date of Patent: June 13, 2023Inventors: Jason A. Ryon, Lev A. Prociw, Jacob Greenfield
-
Patent number: 11649830Abstract: A method of making an impeller includes building the impeller in a layer by layer process in a build direction along the rotational axis starting from a base of the hub. The plurality of blades includes a plurality of perforated blades that support the shroud during additively manufacturing the impeller. The method can include installing the impeller in a fuel pump, air compressor, or the like, without removing the perforated blades from the impeller.Type: GrantFiled: September 24, 2021Date of Patent: May 16, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Jason Ryon, Jacob Greenfield, Adrian L. Stoicescu
-
Patent number: 11619388Abstract: A pilot nozzle for a dual fuel turbine engine includes an inner air circuit, a gaseous fuel circuit radially outward from the inner air circuit, a liquid fuel circuit radially outward from the inner air circuit, an outer air circuit radially outward from the liquid fuel circuit and the gaseous fuel circuit, and a shroud radially outward from the outer air circuit. The shroud is configured to stabilize a pilot re-circulation zone downstream from outlets of the inner and outer air circuits and the liquid and gaseous fuel circuits.Type: GrantFiled: December 21, 2017Date of Patent: April 4, 2023Assignee: Collins Engine Nozzles, Inc.Inventors: Lev Alexander Prociw, Jason A. Ryon, Jacob Greenfield
-
Publication number: 20230099661Abstract: A method of making an impeller includes building the impeller in a layer by layer process in a build direction along the rotational axis starting from a base of the hub. The plurality of blades includes a plurality of perforated blades that support the shroud during additively manufacturing the impeller. The method can include installing the impeller in a fuel pump, air compressor, or the like, without removing the perforated blades from the impeller.Type: ApplicationFiled: September 24, 2021Publication date: March 30, 2023Applicant: Delavan Inc.Inventors: Jason Ryon, Jacob Greenfield, Adrian L. Stoicescu
-
Publication number: 20230063789Abstract: A fluidized powder additive manufacturing system can include a container defining a powder volume configured to hold a powder, a fluidizer attached to and/or disposed on or within the container, the fluidizer configured to fluidize the powder within the powder volume to form a fluidized powder, and a build area assembly disposed within the container. The build area assembly can include a build surface, and a movement system attached to the build surface and configured to move the build surface within the powder volume when the powder is fluidized.Type: ApplicationFiled: August 30, 2021Publication date: March 2, 2023Applicant: Delavan Inc.Inventors: Jason Ryon, Jacob Greenfield
-
Publication number: 20220371097Abstract: An additive manufacturing system including an enclosure defining a build chamber, a powder bed within the build chamber, an energy source for directing a heat at the powder bed to melt a portion of the powder, a gas flow system connected to the enclosure, a gas outlet for directing gas into the build chamber for removing soot from the powder bed, and a temperature control module for controlling a build chamber temperature and a gas temperature.Type: ApplicationFiled: May 20, 2021Publication date: November 24, 2022Applicant: Delavan Inc.Inventors: Jacob Greenfield, Joseph Samo, Thomas J. Ocken, Nathan Devore, Dalton Headlee
-
Patent number: 11441572Abstract: An impeller includes a body with an interior channel extending through the body along a centerline axis of the impeller. A plurality of blades is connected to the body on a forward end of the impeller centerline axis. The plurality of blades surrounds the interior channel and is fluidly connected to an array of inlets. An array of pentagonal channels extends through the body and radially outward in a spiral pattern. Each pentagonal channel is fluidly connected to a corresponding vane inlet and a corresponding pentagonal-shaped outlet. Each channel maintains a pentagonal cross-section shape from the inlet to the outlet. Each downward-sloping face of the cross section is more than 35 degrees from a horizontal plane perpendicular to the centerline axis of the impeller.Type: GrantFiled: August 24, 2020Date of Patent: September 13, 2022Assignee: Hamilton Sundstrand CorporationInventors: Andrew W. Solomon, Joseph Samo, Thomas J. Ocken, Jacob Greenfield, John Sypek, Jordan Christopher Pugliese
-
Patent number: 11346757Abstract: 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: February 17, 2020Date of Patent: May 31, 2022Assignee: Delavan, Inc.Inventors: Jacob Greenfield, Thomas J. Ocken, Jerry Logsdon, Lukas Shea
-
Publication number: 20220056921Abstract: An impeller includes a body with an interior channel extending through the body along a centerline axis of the impeller. A plurality of blades is connected to the body on a forward end of the impeller centerline axis. The plurality of blades surrounds the interior channel and is fluidly connected to an array of inlets. An array of pentagonal channels extends through the body and radially outward in a spiral pattern. Each pentagonal channel is fluidly connected to a corresponding vane inlet and a corresponding pentagonal-shaped outlet. Each channel maintains a pentagonal cross-section shape from the inlet to the outlet. Each downward-sloping face of the cross section is more than 35 degrees from a horizontal plane perpendicular to the centerline axis of the impeller.Type: ApplicationFiled: August 24, 2020Publication date: February 24, 2022Inventors: Andrew W. Solomon, Joseph Samo, Thomas J. Ocken, Jacob Greenfield, John Sypek, Jordan Christopher Pugliese
-
Publication number: 20210404661Abstract: 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: ApplicationFiled: August 26, 2021Publication date: December 30, 2021Applicant: Delavan Inc.Inventors: Jason A. Ryon, Lev A. Prociw, Jacob Greenfield
-
Patent number: 11208956Abstract: A fuel conduit for a fuel injector includes a coiled tube with a longitudinal segment arranged along a flow axis and a radial segment. The radial segment extends about the flow axis and is in fluid communication with the longitudinal segment. The wall one or more of the longitudinal and radial segments increases at a thickness transition location offset from a minimum radius of curvature location along the fuel conduit to limit stress within the fuel conduit. Fuel injectors and methods of making fuel injectors are also described.Type: GrantFiled: October 20, 2017Date of Patent: December 28, 2021Assignee: Delavan Inc.Inventors: Jason A. Ryon, Jacob Greenfield