Patents by Inventor Adam G. Smedresman
Adam G. Smedresman 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: 11542835Abstract: An assembly for use in a bearing compartment having an axis includes a bearing outer race configured to be located in the bearing compartment. The assembly further includes at least one annular spring positioned in the bearing outer race and being asymmetric in at least one of the axial direction or the circumferential direction relative to the axis to reduce the likelihood of amplification of vibration experienced by the at least one annular spring.Type: GrantFiled: January 29, 2021Date of Patent: January 3, 2023Assignee: Raytheon Technologies CorporationInventors: Adam G. Smedresman, Michael Winter, Ramin M. Rafatpanah
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Publication number: 20220243616Abstract: An assembly for use in a bearing compartment having an axis includes a bearing outer race configured to be located in the bearing compartment. The assembly further includes at least one annular spring positioned in the bearing outer race and being asymmetric in at least one of the axial direction or the circumferential direction relative to the axis to reduce the likelihood of amplification of vibration experienced by the at least one annular spring.Type: ApplicationFiled: January 29, 2021Publication date: August 4, 2022Applicant: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Adam G. Smedresman, Michael Winter, Ramin M. Rafatpanah
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Patent number: 11002152Abstract: A unitary fan inlet case and bearing support structure for a gas turbine engine includes an annular body having a radially inward ring connected to a radially outward ring via a plurality of struts. A platform protrudes radially inward from the radially inward ring. The platform includes a radially outward facing surface and a radially inward facing surface. The annular body is a single unitary structure.Type: GrantFiled: February 14, 2019Date of Patent: May 11, 2021Assignee: Raytheon Technologies CorporationInventors: Adam G. Smedresman, Felicia N. White
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Patent number: 10989356Abstract: An oil nozzle assembly is disclosed. In various embodiments, the assembly includes a nozzle body oriented along an axial center line, comprising a main portion, and a tip portion connected to the main portion; a nozzle insert, comprising a sleeve, an end wall connected to the sleeve, an orifice disposed in the end wall, the orifice fluidly coupled to the tip portion, and a first finger extending axially from the end wall; and a retaining ring configured to engage the first finger to the nozzle body.Type: GrantFiled: February 25, 2019Date of Patent: April 27, 2021Assignee: Raytheon Technologies CorporationInventors: Adam G. Smedresman, Yuk-Kwan Brian Yuen
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Patent number: 10753391Abstract: An assembly for use in a bearing compartment includes a pedestal and a damper having a damper surface configured to be positioned adjacent to the pedestal and separated from the pedestal by a gap, the gap receiving a damping fluid to form a damping assembly between the damper and the pedestal. The assembly further includes a first annular spring positioned axially forward or axially aft of the pedestal. The assembly further includes an anti-rotation feature configured to resist rotation of the first annular spring relative to at least one of the pedestal or the damper.Type: GrantFiled: April 5, 2019Date of Patent: August 25, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Adam G Smedresman
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Publication number: 20200263566Abstract: A unitary fan inlet case and bearing support structure for a gas turbine engine includes an annular body having a radially inward ring connected to a radially outward ring via a plurality of struts. A platform protrudes radially inward from the radially inward ring. The platform includes a radially outward facing surface and a radially inward facing surface. The annular body is a single unitary structure.Type: ApplicationFiled: February 14, 2019Publication date: August 20, 2020Inventors: Adam G. Smedresman, Felicia N. White
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Patent number: 10480572Abstract: A machine has a first member, a second member, a bearing, and a spring. The bearing inner race is mounted to the second member. A spring first end portion is mounted to the first member. The bearing outer race is mounted to a spring second end portion. The spring has a flexible portion between the first end portion and the second end portion. A first annular seal is carried by an outer diameter first groove in an outer diameter surface of the second end portion and seals with an inner diameter surface of a sealing portion of the first member. A second annular seal carried by an inner diameter second groove in the first member and seals with an outer diameter surface of the second end portion. A fluid outlet in the first member opens to a chamber between the first annular seal and the second annular seal.Type: GrantFiled: July 20, 2018Date of Patent: November 19, 2019Assignee: United Technologies CorporationInventors: Adam G. Smedresman, Sean P. McGee
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Publication number: 20190323555Abstract: A machine has a first member, a second member, a bearing, and a spring. The bearing inner race is mounted to the second member. A spring first end portion is mounted to the first member. The bearing outer race is mounted to a spring second end portion. The spring has a flexible portion between the first end portion and the second end portion. A first annular seal is carried by an outer diameter first groove in an outer diameter surface of the second end portion and seals with an inner diameter surface of a sealing portion of the first member. A second annular seal carried by an inner diameter second groove in the first member and seals with an outer diameter surface of the second end portion. A fluid outlet in the first member opens to a chamber between the first annular seal and the second annular seal.Type: ApplicationFiled: July 20, 2018Publication date: October 24, 2019Applicant: United Technologies CorporationInventors: Adam G. Smedresman, Sean P. McGee
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Patent number: 10415638Abstract: A bearing spring support/damping apparatus has: a first end portion; a second end portion; and a flexible portion between the first end portion and the second end portion, and further comprising: an outer diameter groove in an outer diameter surface of the second end portion, and a radially and axially outwardly open rebate in the second end portion.Type: GrantFiled: April 18, 2018Date of Patent: September 17, 2019Assignee: United Technologies CorporationInventors: Adam G. Smedresman, Christopher T. Anglin
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Patent number: 10352193Abstract: A bearing spring support/damping apparatus has: a first end portion; a second end portion; and a flexible portion between the first end portion and the second end portion, and further comprising: a single outer diameter groove in the second end portion.Type: GrantFiled: August 16, 2017Date of Patent: July 16, 2019Assignee: United Technologies CorporationInventors: Adam G. Smedresman, Michael D. Greenberg, Todd A. Davis
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Publication number: 20190186689Abstract: An oil nozzle assembly is disclosed. In various embodiments, the assembly includes a nozzle body oriented along an axial center line, comprising a main portion, and a tip portion connected to the main portion; a nozzle insert, comprising a sleeve, an end wall connected to the sleeve, an orifice disposed in the end wall, the orifice fluidly coupled to the tip portion, and a first finger extending axially from the end wall; and a retaining ring configured to engage the first finger to the nozzle body.Type: ApplicationFiled: February 25, 2019Publication date: June 20, 2019Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: ADAM G. SMEDRESMAN, YUK-KWAN BRIAN YUEN
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Patent number: 10215335Abstract: An oil nozzle assembly includes a nozzle body and a nozzle insert. The nozzle body includes a main portion, a tip portion, and a lip. The tip portion is connected to the main portion. The lip extends outwards from the tip portion and has an outer width. The nozzle insert includes a sleeve, an endwall connected to the sleeve, an orifice, and a retention element. The orifice is disposed in the endwall and is fluidly connected to the tip portion of the nozzle body. The retention element extends inward from the sleeve. A portion of the retention element has an inner width that is less than the outer width of the lip. The nozzle insert is disposed onto the tip portion of the nozzle body.Type: GrantFiled: February 28, 2018Date of Patent: February 26, 2019Assignee: United Technologies CorporationInventors: Adam G. Smedresman, Yuk-Kwan Brian Yuen
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Publication number: 20190055853Abstract: A bearing spring support/damping apparatus has: a first end portion; a second end portion; and a flexible portion between the first end portion and the second end portion, and further comprising: a single outer diameter groove in the second end portion.Type: ApplicationFiled: August 16, 2017Publication date: February 21, 2019Applicant: United Technologies CorporationInventors: Adam G. Smedresman, Michael D. Greenberg, Todd A. Davis
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Publication number: 20180187831Abstract: An oil nozzle assembly includes a nozzle body and a nozzle insert. The nozzle body includes a main portion, a tip portion, and a lip. The tip portion is connected to the main portion. The lip extends outwards from the tip portion and has an outer width. The nozzle insert includes a sleeve, an endwall connected to the sleeve, an orifice, and a retention element. The orifice is disposed in the endwall and is fluidly connected to the tip portion of the nozzle body. The retention element extends inward from the sleeve. A portion of the retention element has an inner width that is less than the outer width of the lip. The nozzle insert is disposed onto the tip portion of the nozzle body.Type: ApplicationFiled: February 28, 2018Publication date: July 5, 2018Inventors: Adam G. Smedresman, Yuk-Kwan Brian Yuen
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Patent number: 10012315Abstract: A seal assembly is disclosed. A seal assembly may comprise a seal carrier, a compliant structure comprising a first end and a second end, wherein the first end is coupled to the seal carrier, and/or a support structure coupled to the second end. The seal carrier may be integral with the compliant structure.Type: GrantFiled: May 23, 2016Date of Patent: July 3, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: David M. Barger, Adam G. Smedresman
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Patent number: 9939107Abstract: An oil nozzle assembly includes a nozzle body and a nozzle insert. The nozzle body includes a main portion, a tip portion, a collar, and a lip. The tip portion is connected to the main portion. The collar is positioned at an interface between the main portion and the tip portion. The lip extends radially outward from the tip portion and includes an outer diameter. The nozzle insert includes a sleeve, an endwall connected to the sleeve, an orifice, and a retention element. The orifice is disposed in the endwall and is fluidly connected to the tip portion of the nozzle body. The retention element extends radially inward from the sleeve. A portion of the retention element includes an inner diameter that is less than the outer diameter of the lip.Type: GrantFiled: August 31, 2016Date of Patent: April 10, 2018Assignee: United Technologies CorporationInventors: Adam G. Smedresman, Yuk-Kwan Brian Yuen
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Patent number: 9926975Abstract: An assembly includes a bearing having an annular shape, a bearing support radially outward from the bearing, a squeeze film damper having a first end adjacent the bearing and a second end adjacent the bearing support with the second end forming a squeeze film damping surface, and a first spring between the bearing and the bearing support with the first spring configured to resist a movement of the bearing to center a shaft radially inward from the bearing.Type: GrantFiled: March 22, 2016Date of Patent: March 27, 2018Assignee: United Technologies CorporationInventors: Adam G. Smedresman, Jacek G. Stec
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Publication number: 20180058630Abstract: An oil nozzle assembly includes a nozzle body and a nozzle insert. The nozzle body includes a main portion, a tip portion, a collar, and a lip. The tip portion is connected to the main portion. The collar is positioned at an interface between the main portion and the tip portion. The lip extends radially outward from the tip portion and includes an outer diameter. The nozzle insert includes a sleeve, an endwall connected to the sleeve, an orifice, and a retention element. The orifice is disposed in the endwall and is fluidly connected to the tip portion of the nozzle body. The retention element extends radially inward from the sleeve. A portion of the retention element includes an inner diameter that is less than the outer diameter of the lip.Type: ApplicationFiled: August 31, 2016Publication date: March 1, 2018Inventors: Adam G. Smedresman, Yuk-Kwan Brian Yuen
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Patent number: 9890650Abstract: A carbon seal assembly for a gas turbine engine is disclosed. The carbon seal assembly includes a first carbon seal. The carbon seal assembly also includes a first carbon seal spring configured to provide force against the first carbon seal in a first axial direction, the first carbon seal spring having an annular shape and circumferentially disposed around a first shaft of the gas turbine engine.Type: GrantFiled: June 21, 2016Date of Patent: February 13, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Kaleb Von Berg, Adam G. Smedresman
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Publication number: 20170362949Abstract: A carbon seal assembly for a gas turbine engine is disclosed. The carbon seal assembly includes a first carbon seal. The carbon seal assembly also includes a first carbon seal spring configured to provide force against the first carbon seal in a first axial direction, the first carbon seal spring having an annular shape and circumferentially disposed around a first shaft of the gas turbine engine.Type: ApplicationFiled: June 21, 2016Publication date: December 21, 2017Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Kaleb Von Berg, Adam G. Smedresman