Patents by Inventor David Barger
David Barger 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: 11719246Abstract: A gas turbine engine includes a fan drive turbine driving a fan rotor through a main gear reduction. A primary lubricant system supplies lubricant to the main gear reduction. An auxiliary oil pump supplies oil to the main gear reduction. An auxiliary pump epicyclic gear train drives the auxiliary pump when the fan rotor is rotating in either direction. The main gear reduction is separate from the auxiliary pump epicyclic gear train.Type: GrantFiled: February 10, 2021Date of Patent: August 8, 2023Assignee: Raytheon Technologies CorporationInventors: David Barger, Joseph H. Polly
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Patent number: 11078796Abstract: A vane ring for a gas turbine engine includes a multiple of vanes that extend between the inner vane platform and the outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooling airflow through a respective one of a multiple of feed passages; a multiple of metering passages in the outer vane platform, each of the multiple of metering passages in communication with the respective one of the multiple of feed passages; and a multiple of secondary passages in the outer vane platform, each of the multiple of secondary passages in communication with the respective one of the multiple of metering passages.Type: GrantFiled: December 14, 2018Date of Patent: August 3, 2021Assignee: Raytheon Technologies CorporationInventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher, Mohamed Hassan
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Patent number: 11073024Abstract: A vane ring for a gas turbine engine component includes a multiple of vanes that extend between an inner vane platform and an outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a feed passage located in the outer vane platform and an extension from the outer vane platform, the extension comprises a metering passage in communication with the feed passage.Type: GrantFiled: December 14, 2018Date of Patent: July 27, 2021Assignee: Raytheon Technologies CorporationInventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Mohamed Hassan, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher
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Publication number: 20210190080Abstract: A gas turbine engine includes a fan drive turbine driving a fan rotor through a main gear reduction. A primary lubricant system supplies lubricant to the main gear reduction. An auxiliary oil pump supplies oil to the main gear reduction. An auxiliary pump epicyclic gear train drives the auxiliary pump when the fan rotor is rotating in either direction. The main gear reduction is separate from the auxiliary pump epicyclic gear train.Type: ApplicationFiled: February 10, 2021Publication date: June 24, 2021Inventors: David Barger, Joseph H. Polly
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Patent number: 11008872Abstract: A vane ring for a gas turbine engine component includes a multiple of vanes that extend between an inner vane platform and an outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooling airflow through a feed passage located in the outer vane platform and an extension from the outer vane platform, the extension comprises a metering passage in communication with the feed passage.Type: GrantFiled: December 14, 2018Date of Patent: May 18, 2021Assignee: Raytheon Technologies CorporationInventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher, Mohamed Hassan
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Patent number: 10982678Abstract: A gas turbine engine includes a fan drive turbine driving a fan rotor through a main gear reduction. A primary lubricant system supplies lubricant to the main gear reduction. An auxiliary oil pump supplies oil to the main gear reduction. An auxiliary pump epicyclic gear train drives the auxiliary pump when the fan rotor is rotating in either direction. The main gear reduction is separate from the auxiliary pump epicyclic gear train.Type: GrantFiled: May 21, 2018Date of Patent: April 20, 2021Assignee: Raytheon Technologies CorporationInventors: David Barger, Joseph H. Polly
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Publication number: 20200190993Abstract: A vane ring for a gas turbine engine component includes a multiple of vanes that extend between an inner vane platform and an outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a feed passage located in the outer vane platform and an extension from the outer vane platform, the extension comprises a metering passage in communication with the feed passage.Type: ApplicationFiled: December 14, 2018Publication date: June 18, 2020Applicant: United Technologies CorporationInventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Mohamed Hassan, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher
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Publication number: 20200190994Abstract: A vane ring for a gas turbine engine component includes a multiple of vanes that extend between an inner vane platform and an outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a feed passage located in the outer vane platform and an extension from the outer vane platform, the extension comprises a metering passage in communication with the feed passage.Type: ApplicationFiled: December 14, 2018Publication date: June 18, 2020Applicant: United Technologies CorporationInventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher, Mohamed Hassan
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Publication number: 20200190995Abstract: A vane ring for a gas turbine engine includes a multiple of vanes that extend between the inner vane platform and the outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a respective one of a multiple of feed passages; a multiple of metering passages in the outer vane platform, each of the multiple of metering passages in communication with the respective one of the multiple of feed passages; and a multiple of secondary passages in the outer vane platform, each of the multiple of secondary passages in communication with the respective one of the multiple of metering passages.Type: ApplicationFiled: December 14, 2018Publication date: June 18, 2020Applicant: United Technologies CorporationInventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher, Mohamed Hassan
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Patent number: 10578019Abstract: Aspects of the disclosure are directed to a system comprising: a lubrication applicator device that includes: a base having a cavity that is configured to store a lubricant, and a plunger that is configured to seat a head of a bolt in a counterbore of the base, where the plunger is axially movable in the cavity and is configured to be at least partially recessed in the cavity to cause a side of the bolt to be immersed in the lubricant.Type: GrantFiled: January 13, 2017Date of Patent: March 3, 2020Assignee: United Technologies CorporationInventors: Christopher M. Valva, David Barger, Sean P. McGee
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Publication number: 20190353172Abstract: A gas turbine engine includes a fan drive turbine driving a fan rotor through a main gear reduction. A primary lubricant system supplies lubricant to the main gear reduction. An auxiliary oil pump supplies oil to the main gear reduction. An auxiliary pump epicyclic gear train drives the auxiliary pump when the fan rotor is rotating in either direction. The main gear reduction is separate from the auxiliary pump epicyclic gear train.Type: ApplicationFiled: May 21, 2018Publication date: November 21, 2019Inventors: David Barger, Joseph H. Polly
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Publication number: 20190249605Abstract: A seal configuration for an aircraft engine includes a ring shaped sealing component defining an axis, a carrier disposed radially outward of the ring shaped sealing component and supporting the ring shaped sealing component, and a housing disposed at least partially about the carrier. The housing is maintained in a static position relative to the carrier via a bellows spring. At least one of the carrier and the housing include a plurality of rotation inhibiting features disposed in a balanced configuration about the at least one of the carrier and the housing. Each of the rotation inhibiting features including a finger extending from the housing and at least one interface feature corresponding to each finger, and being disposed on the carrier. The at least one interface feature comprises one of a notch protruding radially into the carrier and a tab protruding radially outward from the carrier.Type: ApplicationFiled: February 12, 2018Publication date: August 15, 2019Inventors: Armando Amador, David Barger, Sean P. McGee
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Publication number: 20190003389Abstract: Aspects of the disclosure are directed to a system comprising: a lubrication applicator device that includes: a base having a cavity that is configured to store a lubricant, and a plunger that is configured to seat a head of a bolt in a counterbore of the base, where the plunger is axially movable in the cavity and is configured to be at least partially recessed in the cavity to cause a side of the bolt to be immersed in the lubricant.Type: ApplicationFiled: January 13, 2017Publication date: January 3, 2019Inventors: Christopher M. Valva, David Barger, Sean P. McGee
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Patent number: 9790857Abstract: An arrangement of concentric, independently rotating shafts for a rotating gear train system is disclosed. The arrangement may include an inner shaft, the inner shaft operatively couplet to a rotating element, and an outer shaft, the outer shaft concentric with the inner shaft and arranged radially outward from the inner shaft. The arrangement may further include a first bearing stack, the first bearing stack arranged radially outward from the inner shaft and including at least one preloaded ball bearing and a second bearing stack, the second bearing stack arranged radially outward from the outer shaft and comprising at least one ball bearing. The arrangement may include a bearing stack retainer, the bearing stack retainer mating with the first and second bearing stacks to hold the first and second bearing stacks in position with respect to the inner and outer shafts and the bearing stack retainer coupled with and rotating with the outer shaft.Type: GrantFiled: January 15, 2015Date of Patent: October 17, 2017Assignee: UNITED TECHNOLOGIES CORPORATIONInventor: David Barger
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Publication number: 20150300256Abstract: An arrangement of concentric, independently rotating shafts for a rotating gear train system is disclosed. The arrangement may include an inner shaft, the inner shaft operatively couplet to a rotating element, and an outer shaft, the outer shaft concentric with the inner shaft and arranged radially outward from the inner shaft. The arrangement may further include a first bearing stack, the first bearing stack arranged radially outward from the inner shaft and including at least one preloaded ball bearing and a second bearing stack, the second bearing stack arranged radially outward from the outer shaft and comprising at least one ball bearing. The arrangement may include a bearing stack retainer, the bearing stack retainer mating with the first and second bearing stacks to hold the first and second bearing stacks in position with respect to the inner and outer shafts and the bearing stack retainer coupled with and rotating with the outer shaft.Type: ApplicationFiled: January 15, 2015Publication date: October 22, 2015Inventor: David Barger