Patents by Inventor Joseph B. Phelps
Joseph B. Phelps 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: 20230407756Abstract: An apparatus has a first member, a shaft rotatable relative to the first member about an axis, and a seal system. The seal system has: a seal carried by the first member and having a seal face; and a seat carried by the shaft and having a seat face in sliding sealing engagement with the seal face. The seal system is a dry face seal system. The seat further includes a section having: an outer diameter surface encircled by the seal; and a rim.Type: ApplicationFiled: February 21, 2023Publication date: December 21, 2023Applicant: Raytheon Technologies CorporationInventors: Joseph H. Polly, Sean P. McGee, Joseph B. Phelps
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Patent number: 11846355Abstract: A seal assembly includes a rotatable shaft and a stationary housing circumscribing the shaft to form radially inner and radially outer boundaries of a seal cavity and a buffer cavity adjacent to the seal cavity. A retention member engaging the housing within the seal cavity includes an end plate extending radially at the axial boundary between the seal and buffer cavities and a protrusion extending from the end plate into the buffer cavity.Type: GrantFiled: October 16, 2020Date of Patent: December 19, 2023Assignee: RTX CorporationInventors: Joseph B. Phelps, Sean P. McGee, Aneil S. Hegde
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Publication number: 20230383668Abstract: An apparatus has a first member, a shaft rotatable relative to the first member about an axis, and a seal system. The seal system has: a seal carried by the first member and having a seal face; and a seat carried by the shaft and having a seat face in sliding sealing engagement with the seal face. The seal system is a dry face seal system. The seat further includes a section having: an outer diameter surface encircled by the seal; and a rim.Type: ApplicationFiled: February 21, 2023Publication date: November 30, 2023Applicant: Raytheon Technologies CorporationInventors: Joseph H. Polly, Sean P. McGee, Joseph B. Phelps
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Patent number: 11788628Abstract: A face seal assembly includes a seal carrier, a seal element supported by the seal carrier, a rotating seal plate interactive with the seal element to define a face seal, and a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element.Type: GrantFiled: September 26, 2022Date of Patent: October 17, 2023Assignee: RTX CorporationInventors: Andrew V. Schwendenmann, Armando Amador, Joseph B. Phelps, Sean McCutchan
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Patent number: 11608751Abstract: An apparatus has a first member, a shaft rotatable relative to the first member about an axis, and a seal system. The seal system has: a seal carried by the first member and having a seal face; and a seat carried by the shaft and having a seat face in sliding sealing engagement with the seal face. The seal system is a dry face seal system. The seat further includes a section having: an outer diameter surface encircled by the seal; and a rim.Type: GrantFiled: March 19, 2021Date of Patent: March 21, 2023Assignee: Raytheon Technologies CorporationInventors: Joseph H. Polly, Sean P. McGee, Joseph B. Phelps
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Publication number: 20230016992Abstract: A face seal assembly includes a seal carrier, a seal element supported by the seal carrier, a rotating seal plate interactive with the seal element to define a face seal, and a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element.Type: ApplicationFiled: September 26, 2022Publication date: January 19, 2023Inventors: Andrew V. Schwendenmann, Armando Amador, Joseph B. Phelps, Sean McCutchan
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Patent number: 11454324Abstract: A face seal assembly includes a seal carrier, a seal element supported by the seal carrier, a rotating seal plate interactive with the seal element to define a face seal, and a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element.Type: GrantFiled: August 26, 2020Date of Patent: September 27, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Andrew V. Schwendenmann, Armando Amador, Joseph B. Phelps, Sean McCutchan
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Publication number: 20220298921Abstract: An apparatus has a first member, a shaft rotatable relative to the first member about an axis, and a seal system. The seal system has: a seal carried by the first member and having a seal face; and a seat carried by the shaft and having a seat face in sliding sealing engagement with the seal face. The seal system is a dry face seal system. The seat further includes a section having: an outer diameter surface encircled by the seal; and a rim.Type: ApplicationFiled: March 19, 2021Publication date: September 22, 2022Applicant: Raytheon Technologies CorporationInventors: Joseph H. Polly, Sean P. McGee, Joseph B. Phelps
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Patent number: 11401832Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly having a seal plate mounted for rotation with the rotatable shaft, a face seal in contact with the seal plate at a contact area, and a seal carrier supporting the face seal. Further, in normal operating conditions, the seal plate includes a plurality of tabs configured to separate from a remainder of the seal plate in a worn seal condition in which the seal carrier contacts the seal plate.Type: GrantFiled: January 5, 2021Date of Patent: August 2, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Andrew V. Schwendenmann, Joseph B. Phelps, Sean P. McGee
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Publication number: 20220213840Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a compressor section, a combustor section, a turbine section, and at least one rotatable shaft. The engine further includes a seal assembly having a seal plate mounted for rotation with the rotatable shaft, a face seal in contact with the seal plate at a contact area, and a seal carrier supporting the face seal. Further, in normal operating conditions, the seal plate includes a plurality of tabs configured to separate from a remainder of the seal plate in a worn seal condition in which the seal carrier contacts the seal plate.Type: ApplicationFiled: January 5, 2021Publication date: July 7, 2022Inventors: Andrew V. Schwendenmann, Joseph B. Phelps, Sean P. McGee
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Patent number: 11313471Abstract: A seal configuration for an aircraft engine includes a ring shaped sealing component defining an axis. A carrier is disposed radially outward of the ring shaped sealing component and supports the ring shaped sealing component. A housing includes a shroud portion. The shroud portion fully surrounds the carrier and is maintained in a static position relative to the carrier via a bellows spring and a plurality of rotation inhibiting features. Each rotation inhibiting feature in the plurality of rotation inhibiting features includes a tab protruding radially outward from the carrier and received in a slot intruding into the shroud portion.Type: GrantFiled: May 5, 2020Date of Patent: April 26, 2022Assignee: Raytheon Technologies CorporationInventors: Joseph B. Phelps, Sean P. McGee, Joseph G. Colucci
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Publication number: 20220120346Abstract: A seal assembly includes a rotatable shaft and a stationary housing circumscribing the shaft to form radially inner and radially outer boundaries of a seal cavity and a buffer cavity adjacent to the seal cavity. A retention member engaging the housing within the seal cavity includes an end plate extending radially at the axial boundary between the seal and buffer cavities and a protrusion extending from the end plate into the buffer cavity.Type: ApplicationFiled: October 16, 2020Publication date: April 21, 2022Inventors: Joseph B. Phelps, Sean P. McGee, Aneil S. Hegde
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Publication number: 20220065121Abstract: A face seal assembly includes a seal carrier, a seal element supported by the seal carrier, a rotating seal plate interactive with the seal element to define a face seal, and a seal arrester configured to engage the seal carrier at a predetermined amount of wear of the seal element to stop wear of the seal element.Type: ApplicationFiled: August 26, 2020Publication date: March 3, 2022Inventors: Andrew V. Schwendenmann, Armando Amador, Joseph B. Phelps, Sean McCutchan
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Publication number: 20210348563Abstract: A seal configuration for an aircraft engine includes a ring shaped sealing component defining an axis. A carrier is disposed radially outward of the ring shaped sealing component and supports the ring shaped sealing component. A housing includes a shroud portion. The shroud portion fully surrounds the carrier and is maintained in a static position relative to the carrier via a bellows spring and a plurality of rotation inhibiting features. Each rotation inhibiting feature in the plurality of rotation inhibiting features includes a tab protruding radially outward from the carrier and received in a slot intruding into the shroud portion.Type: ApplicationFiled: May 5, 2020Publication date: November 11, 2021Inventors: Joseph B. Phelps, Sean P. McGee, Joseph G. Colucci