Patents by Inventor Yuriy Gmirya
Yuriy Gmirya 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: 20240067332Abstract: A rotary shaft assembly includes a rotary shaft having a first end portion, a second end portion opposite the first end portion, a longitudinal axis extending centrally through the first and second end portions, and a shaft body that defines a bore between the first and second end portions. An anti-flailing mechanism is positioned within the bore of the shaft body. The anti-flailing mechanism is coupled to rotary shaft and extends at least partially between the first and second end portions to contain the rotary shaft about the longitudinal axis when the rotary shaft fails.Type: ApplicationFiled: August 25, 2022Publication date: February 29, 2024Inventors: Peter X. Palcic, Cole Steven Twing, Yuriy Gmirya
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Publication number: 20240059405Abstract: A vibration control assembly includes a housing having an interior region and an inner mass including a cage disposed within the interior region of the housing and being rotatable within the housing about a first axis and a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis. At least one driving source includes a stator and is operable to interact with a magnetic field of the inner mass to drive rotation of the inner mass about at least one of the first axis and the second axis, wherein the at least one driving source is mounted within the interior region of the housing.Type: ApplicationFiled: October 17, 2023Publication date: February 22, 2024Applicant: Lockheed Martin CorporationInventors: William A. Welsh, Yuriy Gmirya, Damaris R. Zachos
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Patent number: 11794883Abstract: A vibration control assembly includes a housing having an interior region and an inner mass including a cage disposed within the interior region of the housing and being rotatable within the housing about a first axis and a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis. At least one driving source includes a stator and is operable to interact with a magnetic field of the inner mass to drive rotation of the inner mass about at least one of the first axis and the second axis, wherein the at least one driving source is mounted within the interior region of the housing.Type: GrantFiled: April 20, 2020Date of Patent: October 24, 2023Assignee: LOCKHEED MARTIN CORPORATIONInventors: William A. Welsh, Yuriy Gmirya, Damaris R. Zachos
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Patent number: 11702197Abstract: A coaxial split torque gearbox comprises a first pinion meshed with a first gear; a second pinion attached to the first gear and meshed with a first bull gear, the first bull gear operable for transferring torque to cause a first rotor to rotate; and a third pinion attached to a second gear and meshed with a second bull gear, the second bull gear operable for transferring torque to cause a second rotor to rotate, the second gear being meshed with the first gear, and a number of teeth of the first gear being different than a number of teeth of the second gear.Type: GrantFiled: March 19, 2020Date of Patent: July 18, 2023Assignee: LOCKHEED MARTIN CORPORATIONInventors: Yuriy Gmirya, Christopher Charles Pierce, Peter X. Palcic
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Patent number: 11235868Abstract: A vibration control assembly for an aircraft including a housing operatively coupled to the aircraft. Also included is a cage disposed within an interior region of the housing, the cage rotatable within the housing about a first axis. Further included is a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis, wherein a controllable moment is imposed on the aircraft upon rotation of the gyroscope wheel to counter vibratory moments produced by the vehicle.Type: GrantFiled: December 30, 2020Date of Patent: February 1, 2022Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: William A. Welsh, Yuriy Gmirya
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Patent number: 11156285Abstract: A gear train includes a first gear having teeth meshed with teeth of a second gear. Each tooth of the first gear includes a coast side and a drive side opposed to the coast side. The drive side has a pressure angle that is greater than that of the coast side. The gear train can be part of a powertrain system for a rotorcraft, and can replace a traditional gear train in a retrofit or new build. The first gear is a planet gear and the second gear is a ring gear wherein the planet gear and ring gear are in a planetary gear train configuration.Type: GrantFiled: August 16, 2017Date of Patent: October 26, 2021Assignee: Sikorsky Aircraft CorporationInventors: David A. Binney, Yuriy Gmirya, Joseph A. Mucci, Jonathan Frost, Adam Taylor
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Publication number: 20210323658Abstract: A vibration control assembly includes a housing having an interior region and an inner mass including a cage disposed within the interior region of the housing and being rotatable within the housing about a first axis and a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis. At least one driving source includes a stator and is operable to interact with a magnetic field of the inner mass to drive rotation of the inner mass about at least one of the first axis and the second axis, wherein the at least one driving source is mounted within the interior region of the housing.Type: ApplicationFiled: April 20, 2020Publication date: October 21, 2021Inventors: William A. Welsh, Yuriy Gmirya, Damaris R. Zachos
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Publication number: 20210316846Abstract: A vibration control assembly for an aircraft including a housing operatively coupled to the aircraft. Also included is a cage disposed within an interior region of the housing, the cage rotatable within the housing about a first axis. Further included is a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis, wherein a controllable moment is imposed on the aircraft upon rotation of the gyroscope wheel to counter vibratory moments produced by the vehicle.Type: ApplicationFiled: December 30, 2020Publication date: October 14, 2021Applicant: Sikorsky Aircraft CorporationInventors: William A. WELSH, Yuriy GMIRYA
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Publication number: 20210291972Abstract: An aspect includes, a coaxial split torque gearbox comprises a first pinion meshed with a first gear; a second pinion attached to the first gear and meshed with a first bull gear, the first bull gear operable for transferring torque to cause a first rotor to rotate; and a third pinion attached to a second gear and meshed with a second bull gear, the second bull gear operable for transferring torque to cause a second rotor to rotate, the second gear being meshed with the first gear, and a number of teeth of the first gear being different than a number of teeth of the second gear.Type: ApplicationFiled: March 19, 2020Publication date: September 23, 2021Inventors: Yuriy Gmirya, Christopher Charles Pierce, Peter X. Palcic
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Patent number: 10906636Abstract: A vibration control assembly for an aircraft including a housing operatively coupled to the aircraft. Also included is a cage disposed within an interior region of the housing, the cage rotatable within the housing about a first axis. Further included is a gyroscope wheel disposed within the cage and rotatable about a second axis other than the first axis, wherein a controllable moment is imposed on the aircraft upon rotation of the gyroscope wheel to counter vibratory moments produced by the vehicle.Type: GrantFiled: October 21, 2015Date of Patent: February 2, 2021Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: William A. Welsh, Yuriy Gmirya
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Patent number: 10746253Abstract: A vibration damping device is configured to reduce vibration that causes lateral flexing of an elongated member that extends along a centerline. The device includes a split sleeve co-extending with and disposed about the elongated member, and a spring that extends about the sleeve and exerts a force that biases the sleeve radially inward.Type: GrantFiled: June 14, 2016Date of Patent: August 18, 2020Assignee: SIKORSKY AIRCRAFT CORPORATIONInventor: Yuriy Gmirya
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Patent number: 10746284Abstract: A gearbox for a rotary wing aircraft including a sump, a primary lubricant reservoir fluidically connected to the sump, one or more primary lubricant jets fluidically connected to the primary lubricant reservoir, an auxiliary lubricant reservoir fluidically connected to the sump, one or more auxiliary lubricant jets fluidically connected to the auxiliary lubricant reservoir, and at least one valve selectively fluidically connecting the sump and the primary lubricant reservoir based on a first lubricant pressure and the sump and the auxiliary lubricant reservoir based on a second lubricant pressure at the at least one valve.Type: GrantFiled: February 19, 2016Date of Patent: August 18, 2020Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: Yuriy Gmirya, Thomas L. Sbabo, John H. Meeson, Jr., Rodger W. Bowman
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Patent number: 10646938Abstract: A method of manufacturing a gear, the method includes applying a first charge to a workpiece and applying a second, opposite charge to an electrochemical machining (ECM) attachment, the ECM attachment having a pattern. The method further includes simultaneously forming a plurality of surfaces of a gear tooth in the workpiece using the pattern of the ECM attachment while applying the first charge to the workpiece and applying the second charge to the ECM attachment and turning the workpiece and the ECM attachment in opposite rotational directions. The plurality of surfaces includes at least one end face and a top land of the gear tooth.Type: GrantFiled: January 11, 2018Date of Patent: May 12, 2020Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: Edward H. Bittner, William Patrick Murphy, Bruce D. Hansen, Christopher J. Mussel, Yuriy Gmirya
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Patent number: 10494089Abstract: A hanger bearing assembly for a shaft assembly includes a plurality of bearing elements arranged around a circumference of a shaft assembly, each bearing element having a bearing element diameter. A bearing inner race is positioned between the plurality of bearing elements and the shaft assembly and extends circumferentially about the shaft assembly. The bearing inner race includes an outer wall interactive with the plurality of bearing elements. The outer wall has a linear profile extending in an axial direction. A bearing outer race is positioned radially outboard of the plurality of bearing elements and extends circumferentially about the shaft assembly. The bearing outer race includes an inner surface interactive with the plurality of bearing elements and having a curvilinear inner surface profile extending in the axial direction.Type: GrantFiled: March 23, 2015Date of Patent: December 3, 2019Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: Yuriy Gmirya, Rodger W. Bowman
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Patent number: 10415475Abstract: A gearbox oil cooling assembly for a gearbox driving a drive shaft having a drive shaft coupling. The assembly includes a heat exchanger to receive and cool an oil from the gearbox and having an inlet. Also included is an impeller axially disposed between the heat exchanger and the drive shaft coupling, wherein the impeller is operatively coupled to, and rotated by, the drive shaft operatively coupled to the drive shaft coupling. Further included is an exhaust duct operatively coupled to the heat exchanger and disposed radially outwardly around the impeller and defining an airflow pathway through which air passes through the inlet, the impeller and through the exhaust duct according to the rotation of the impeller to cool the oil in the heat exchanger.Type: GrantFiled: May 26, 2015Date of Patent: September 17, 2019Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: Daniel Vincent Brown, Thomas L. Tully, Jr., Yuriy Gmirya
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Patent number: 10358211Abstract: A rotor apparatus is provided and includes a first rotor shaft disposed to rotatably support a first rotor, a second rotor shaft disposed to rotatably support a second rotor and first and second bearing elements disposed to support the first rotor shaft within the second rotor shaft and to pre-load the first rotor shaft in one of tension and compression and the second rotor shaft in the other one of tension and compression.Type: GrantFiled: January 2, 2014Date of Patent: July 23, 2019Assignee: SIKORSKY AIRCRAFT CORPORATIONInventor: Yuriy Gmirya
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Publication number: 20190210130Abstract: A method of manufacturing a gear, the method includes applying a first charge to a workpiece and applying a second, opposite charge to an electrochemical machining (ECM) attachment, the ECM attachment having a pattern. The method further includes simultaneously forming a plurality of surfaces of a gear tooth in the workpiece using the pattern of the ECM attachment while applying the first charge to the workpiece and applying the second charge to the ECM attachment and turning the workpiece and the ECM attachment in opposite rotational directions. The plurality of surfaces includes at least one end face and a top land of the gear tooth.Type: ApplicationFiled: January 11, 2018Publication date: July 11, 2019Inventors: EDWARD H. BITTNER, WILLIAM PATRICK MURPHY, BRUCE D. HANSEN, CHRISTOPHER J. MUSSEL, YURIY GMIRYA
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Publication number: 20190195329Abstract: A gear train includes a first gear having teeth meshed with teeth of a second gear. Each tooth of the first gear includes a coast side and a drive side opposed to the coast side. The drive side has a pressure angle that is greater than that of the coast side. The gear train can be part of a powertrain system for a rotorcraft, and can replace a traditional gear train in a retrofit or new build. The first gear is a planet gear and the second gear is a ring gear wherein the planet gear and ring gear are in a planetary gear train configuration.Type: ApplicationFiled: August 16, 2017Publication date: June 27, 2019Inventors: David A. Binney, Yuriy Gmirya, Joseph A. Mucci, Jonathan Frost, Adam Taylor
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Publication number: 20180238417Abstract: A vibration damping device is configured to reduce vibration that causes lateral flexing of an elongated member that extends along a centerline. The device includes a split sleeve co-extending with and disposed about the elongated member, and a spring that extends about the sleeve and exerts a force that biases the sleeve radially inward.Type: ApplicationFiled: June 14, 2016Publication date: August 23, 2018Inventor: Yuriy Gmirya
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Publication number: 20180106360Abstract: A gearbox for a rotary wing aircraft including a sump, a primary lubricant reservoir fluidically connected to the sump, one or more primary lubricant jets fluidically connected to the primary lubricant reservoir, an auxiliary lubricant reservoir fluidically connected to the sump, one or more auxiliary lubricant jets fluidically connected to the auxiliary lubricant reservoir, and at least one valve selectively fluidically connecting the sump and the primary lubricant reservoir based on a first lubricant pressure and the sump and the auxiliary lubricant reservoir based on a second lubricant pressure at the at least one valve.Type: ApplicationFiled: February 19, 2016Publication date: April 19, 2018Inventors: Yuriy Gmirya, Thomas L. Sbabo, John H. Meeson, JR., Rodger W. Bowman