Patents by Inventor Yuk-Kwan Brian Yuen
Yuk-Kwan Brian Yuen 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: 11352979Abstract: A fan assembly of a gas turbine engine includes a fan rotor including a fan rotor hub, and a plurality of fan blades extending radially outwardly from the fan rotor hub, and a fan case including an inner case portion and an outer case portion surrounding the plurality of fan blades. A plurality of struts extend between the inner case portion and the outer case portion. A bearing assembly is configured to support the fan rotor at the inner case portion. The bearing assembly includes a bearing inner race secured to the fan rotor, a bearing outer race secured to the inner case portion, and a plurality of bearing elements located radially between the bearing inner race and the bearing outer race.Type: GrantFiled: April 24, 2020Date of Patent: June 7, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Yuk-Kwan Brian Yuen, Christopher T. Anglin, Matthew Nickerson, Daniel S. Rogers
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Publication number: 20220064938Abstract: A construction material structure, comprising a plurality of inner support columns, the support columns being fixtured at the top end portion and/or the bottom end portion in a generally parallel, spaced apart arrangement, a polymeric film stretched across a first side and an opposite second side of the support columns, a quick cure polymeric fibrous material formed on the outer surface of the stretched polymeric film, and a polymeric foam disposed between the support columns and the stretched polymeric film.Type: ApplicationFiled: November 9, 2021Publication date: March 3, 2022Applicant: VBBT CorpInventors: Yuk-Kwan Brian Yuen, Venesia Hurtubise, William John Kehoe, Thomas J. Kennedy, III
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Patent number: 11168485Abstract: A low cost and disaster relief housing solution includes the combination of preconstructed in-service or out-of-service shipping containers that are integrated with renewable and sustainable materials to complete the buildout of the shipping containers. The embodiment also includes folding solutions that allows for a superior logistic solution for shipping and site integration.Type: GrantFiled: September 14, 2019Date of Patent: November 9, 2021Assignee: VBBT Corp.Inventors: Yuk-Kwan Brian Yuen, Venesia Hurtubise, William John Kehoe, Thomas J Kennedy, III
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Publication number: 20210332775Abstract: A fan assembly of a gas turbine engine includes a fan rotor including a fan rotor hub, and a plurality of fan blades extending radially outwardly from the fan rotor hub, and a fan case including an inner case portion and an outer case portion surrounding the plurality of fan blades. A plurality of struts extend between the inner case portion and the outer case portion. A bearing assembly is configured to support the fan rotor at the inner case portion. The bearing assembly includes a bearing inner race secured to the fan rotor, a bearing outer race secured to the inner case portion, and a plurality of bearing elements located radially between the bearing inner race and the bearing outer race.Type: ApplicationFiled: April 24, 2020Publication date: October 28, 2021Inventors: Yuk-Kwan Brian Yuen, Christopher T. Anglin, Matthew Nickerson, Daniel S. Rogers
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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: 10634062Abstract: A tower shaft support for a gearbox of a gas turbine engine includes a mounting ring, first and second gussets, and first and second tower shaft bearing mounts. Each gusset extends outward from and substantially normal to an outer circumference of the mounting ring. The first and second tower shaft bearing mounts are positioned between the first and second gussets.Type: GrantFiled: March 21, 2017Date of Patent: April 28, 2020Assignee: United Technologies CorporationInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen
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Publication number: 20200087939Abstract: A low cost and disaster relief housing solution includes the combination of preconstructed in-service or out-of-service shipping containers that are integrated with renewable and sustainable materials to complete the buildout of the shipping containers. The embodiment also includes folding solutions that allows for a superior logistic solution for shipping and site integration.Type: ApplicationFiled: September 14, 2019Publication date: March 19, 2020Applicant: VBBT CorpInventors: Yuk-Kwan Brian Yuen, Venesia Hurtubise, William John Kehoe, Thomas J Kennedy, III
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Patent number: 10591004Abstract: A damped anti-rotational system is provided comprising a pawl carrier having an axis of rotation, a pawl pivotably mounted to the pawl carrier on a pivot joint, the pawl having a contact portion and a counterweight portion, a stop pin axially disposed in the pawl carrier and configured to contact the contact portion of the pawl in response to radially inward movement of the pawl, wherein the stop pin is mounted to the pawl carrier at a forward portion of the stop pin and an aft portion of the stop pin, wherein a forward O ring is disposed on the forward portion of the stop pin and an aft O ring is disposed on the aft portion of the stop pin.Type: GrantFiled: March 27, 2019Date of Patent: March 17, 2020Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen, Russell B. Witlicki
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Publication number: 20190219112Abstract: A damped anti-rotational system is provided comprising a pawl carrier having an axis of rotation, a pawl pivotably mounted to the pawl carrier on a pivot joint, the pawl having a contact portion and a counterweight portion, a stop pin axially disposed in the pawl carrier and configured to contact the contact portion of the pawl in response to radially inward movement of the pawl, wherein the stop pin is mounted to the pawl carrier at a forward portion of the stop pin and an aft portion of the stop pin, wherein a forward O ring is disposed on the forward portion of the stop pin and an aft O ring is disposed on the aft portion of the stop pin.Type: ApplicationFiled: March 27, 2019Publication date: July 18, 2019Applicant: United Technologies CorporationInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen, Russell B. Witlicki
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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: 10288134Abstract: A damped anti-rotational system is provided comprising a pawl carrier having an axis of rotation, a pawl pivotably mounted to the pawl carrier on a pivot joint, the pawl having a contact portion and a counterweight portion, a stop pin axially disposed in the pawl carrier and configured to contact the contact portion of the pawl in response to radially inward movement of the pawl, wherein the stop pin is mounted to the pawl carrier at a forward portion of the stop pin and an aft portion of the stop pin, wherein a forward O ring is disposed on the forward portion of the stop pin and an aft O ring is disposed on the aft portion of the stop pin.Type: GrantFiled: February 21, 2018Date of Patent: May 14, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen, Russell B. Witlicki
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Patent number: 10280842Abstract: A seal assembly for a bearing compartment includes a coupler with a lip, seal plate, nut, and air seal land. The seal plate is disposed on and around the coupler and is in contact with the lip. The nut is disposed within the bearing compartment and adjoining the seal plate. The nut includes first, second, and third major portions and first and second intermediate portions. Each of the first, second, and third major portions is in the shape of an annular band. The second major portion is disposed axially between the first and third major portions. The third major portion includes a knife edge seal extending radially outward. The first and second intermediate portions include frustums and extend between the first and second major portions and second and third major portions, respectively. The air seal land is sealingly engaged with the third major portion of the nut.Type: GrantFiled: April 10, 2017Date of Patent: May 7, 2019Assignee: United Technologies CorporationInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen
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Patent number: 10267334Abstract: A fan section includes a fan inlet case, fan bearing assembly, and an annular heatshield. The fan bearing assembly may be coupled to the fan inlet case and the annular heatshield may be mounted to the fan inlet case. In various embodiments, the annular heatshield is configured to reduce convective heat transfer from heated fluid to the fan bearing assembly.Type: GrantFiled: August 1, 2016Date of Patent: April 23, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Yuk-Kwan Brian Yuen, William R. Castle
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Patent number: 10247193Abstract: A gas turbine engine includes a bearing support positioned fore of a compressor section along a primary flowpath. The bearing support internally includes a fluid reservoir with a reservoir tube, a fluid pump with a fluid pump tube, and a fluid coupler coupling the reservoir tube to the fluid pump tube.Type: GrantFiled: September 8, 2014Date of Patent: April 2, 2019Assignee: United Technologies CorporationInventors: Todd M. LaPierre, 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: 20180291814Abstract: A seal assembly for a bearing compartment includes a coupler with a lip, seal plate, nut, and air seal land. The seal plate is disposed on and around the coupler and is in contact with the lip. The nut is disposed within the bearing compartment and adjoining the seal plate. The nut includes first, second, and third major portions and first and second intermediate portions. Each of the first, second, and third major portions is in the shape of an annular band. The second major portion is disposed axially between the first and third major portions. The third major portion includes a knife edge seal extending radially outward. The first and second intermediate portions include frustums and extend between the first and second major portions and second and third major portions, respectively. The air seal land is sealingly engaged with the third major portion of the nut.Type: ApplicationFiled: April 10, 2017Publication date: October 11, 2018Inventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen
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Publication number: 20180274449Abstract: A tower shaft support for a gearbox of a gas turbine engine includes a mounting ring, first and second gussets, and first and second tower shaft bearing mounts. Each gusset extends outward from and substantially normal to an outer circumference of the mounting ring. The first and second tower shaft bearing mounts are positioned between the first and second gussets.Type: ApplicationFiled: March 21, 2017Publication date: September 27, 2018Inventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen
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Patent number: 10077716Abstract: The present disclosure relates generally a system for preventing relative rotation between three components. The three components include tabs and slots such that at least one first tab and at least one second tab on one component is disposed within at least one slot formed in the other two components to prevent relative rotation between any two of the three components.Type: GrantFiled: April 10, 2015Date of Patent: September 18, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen, Russell B. Witlicki, Dwayne E. Messerschmidt
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Patent number: 10018063Abstract: Anti-rotation knife edge seals and gas turbine engines including the same are provided. The anti-rotation knife-edge seal includes a first end portion having at least one knife edge, an opposing second end portion including an outside peripheral edge having a nut anti-rotation feature and an inside peripheral edge having a shaft anti-rotation feature, and an intermediate portion extending between the first end portion and the opposing second end portion. The first end portion, the opposing second end portion, and the intermediate portion form a one-piece annular seal member. A method is also provided for substantially preventing rotation of a stack nut against an adjacent rotatable component.Type: GrantFiled: June 10, 2015Date of Patent: July 10, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Christopher T. Anglin, Yuk-Kwan Brian Yuen
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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