Patents by Inventor Keith Alan Hurley
Keith Alan Hurley 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: 9989085Abstract: A journal foil bearing includes a bearing retainer having one slot configured to receive a top foil leading edge tab and another slot configured to receive a top foil trailing edge tab. A backup support structure, integral to the bearing retainer, extends between and is at least partially defined by the slots. The retainer is configured so that, during operation, the trailing edge tab further contacts, at an increased contact pressure, the support structure at a position close to the friction force, thereby minimizing top foil bending stress and improving bearing strength.Type: GrantFiled: November 18, 2016Date of Patent: June 5, 2018Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Marshall Saville, Keith Alan Hurley
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Publication number: 20170067505Abstract: A journal foil bearing includes a bearing retainer having one slot configured to receive a top foil leading edge tab and another slot configured to receive a top foil trailing edge tab. A backup support structure, integral to the bearing retainer, extends between and is at least partially defined by the slots. The retainer is configured so that, during operation, the trailing edge tab further contacts, at an increased contact pressure, the support structure at a position close to the friction force, thereby minimizing top foil bending stress and improving bearing strength.Type: ApplicationFiled: November 18, 2016Publication date: March 9, 2017Applicant: HONEYWELL INTERNATIONAL INC.Inventors: MARSHALL SAVILLE, KEITH ALAN HURLEY
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Patent number: 9556899Abstract: A journal foil bearing includes a bearing retainer having one slot configured to receive a top foil leading edge tab and another slot configured to receive a top foil trailing edge tab. A backup support structure, integral to the bearing retainer, extends between and is at least partially defined by the slots. The retainer is configured so that, during operation, the trailing edge tab further contacts, at an increased contact pressure, the support structure at a position close to the friction force, thereby minimizing top foil bending stress and improving bearing strength.Type: GrantFiled: April 7, 2015Date of Patent: January 31, 2017Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Marshall Saville, Keith Alan Hurley
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Patent number: 9506566Abstract: Embodiments of a gas turbine engine including a finger-foil seal are provided, as are embodiments of a finger-foil seal. In one embodiment, the finger-foil seal includes an aerodynamic foil having a generally annular body through which a first opening is formed. A finger seal retention structure is disposed around the aerodynamic foil. A finger seal backing spring is coupled to the finger seal retention structure and extends radially inward therefrom to contact an outer circumference of the aerodynamic foil. A first anti-rotation pin extends radially from the finger seal retention structure and into the first opening formed in the aerodynamic foil to inhibit rotation of the aerodynamic foil during operation of the finger-foil seal.Type: GrantFiled: October 23, 2013Date of Patent: November 29, 2016Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Marshall Saville, Keith Alan Hurley, Joseph Yanof, Tina Hynes, David Waldman
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Patent number: 9360042Abstract: An air bearing assembly is provided that includes a bearing sleeve that has two slots side-by-side having rectangular profiles for engaging the ends of first and second bearing foils for supporting a shaft of a dual-stage compressor. The first rectangular-profile slot, which may be made using a broaching process, is designed to receive first ends of the first bearing foil and the second bearing foil. The second rectangular-profile slot, which may also be made using a broaching process, is designed to receive a second end of the second bearing foil. This dual-slot design replaces the complex āLā shaped single slot design of conventional bearing sleeves, allowing for high-volume, low-cost manufacturing of the bearing sleeves. The dual-slot design also provides for robust engagement of the bearing foils with the bearing sleeves, while allowing easy assembly and installation of the air bearing assemblies.Type: GrantFiled: April 15, 2014Date of Patent: June 7, 2016Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Glenn F. Thompson, Mark Mackey, John Sontag, John Mason, Rick Johnson, Mike Guidry, Patrick Beresewicz, Keith Alan Hurley, Marshall Saville
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Publication number: 20150211571Abstract: A journal foil bearing includes a bearing retainer having one slot configured to receive a top foil leading edge tab and another slot configured to receive a top foil trailing edge tab. A backup support structure, integral to the bearing retainer, extends between and is at least partially defined by the slots. The retainer is configured so that, during operation, the trailing edge tab further contacts, at an increased contact pressure, the support structure at a position close to the friction force, thereby minimizing top foil bending stress and improving bearing strength.Type: ApplicationFiled: April 7, 2015Publication date: July 30, 2015Applicant: HONEYWELL INTERNATIONAL INC.Inventors: MARSHALL SAVILLE, KEITH ALAN HURLEY
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Patent number: 9057401Abstract: A journal foil bearing includes a bearing retainer having one slot configured to receive a top foil leading edge tab and another slot configured to receive a top foil trailing edge tab. A backup support structure, integral to the bearing retainer, extends between and is at least partially defined by the slots. The retainer is configured so that, during operation, the trailing edge tab contacts the support structure at a position close to the friction force, thereby minimizing top foil bending stress and improving bearing strength.Type: GrantFiled: January 19, 2013Date of Patent: June 16, 2015Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Marshall Saville, Keith Alan Hurley
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Patent number: 9057283Abstract: A turbomachine having gas cooled bearings may include an axially-oriented, cooling-gas passageway interconnecting first and second bearing chambers. The passageway may include grooves formed at an interface between an aerodynamic component of the turbomachine (e.g., a wheel or impeller) and a portion of a shaft assembly of the turbomachine.Type: GrantFiled: April 4, 2012Date of Patent: June 16, 2015Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Mark Gee, Marshall Saville, Keith Alan Hurley
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Publication number: 20150110621Abstract: Embodiments of a gas turbine engine including a finger-foil seal are provided, as are embodiments of a finger-foil seal. In one embodiment, the finger-foil seal includes an aerodynamic foil having a generally annular body through which a first opening is formed. A finger seal retention structure is disposed around the aerodynamic foil. A finger seal backing spring is coupled to the finger seal retention structure and extends radially inward therefrom to contact an outer circumference of the aerodynamic foil. A first anti-rotation pin extends radially from the finger seal retention structure and into the first opening formed in the aerodynamic foil to inhibit rotation of the aerodynamic foil during operation of the finger-foil seal.Type: ApplicationFiled: October 23, 2013Publication date: April 23, 2015Inventors: Marshall Saville, Keith Alan Hurley, Joseph Yanof, Tina Hynes, David Waldman
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Publication number: 20130266417Abstract: A turbomachine having gas cooled bearings may include an axially-oriented, cooling-gas passageway interconnecting first and second bearing chambers. The passageway may include grooves formed at an interface between an aerodynamic component of the turbomachine (e.g., a wheel or impeller) and a portion of a shaft assembly of the turbomachine.Type: ApplicationFiled: April 4, 2012Publication date: October 10, 2013Applicant: HONEYWELL INTERNATIONAL INC.Inventors: MARK GEE, MARSHALL SAVILLE, KEITH ALAN HURLEY
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Patent number: 8371799Abstract: An apparatus and method for maintaining separation of two journal foil bearing assemblies, where each journal foil bearing assembly comprises one or more foils with lugs formed thereon for insertion into axial grooves of a bore, the means comprising a pin for insertion into each groove so that an edge of the lug that is inserted into the groove abuts the pin and is prevented from axially drifting along the bore. The pin provides a broad area along the lug edge so that the lug edge does not cut into the pin.Type: GrantFiled: January 13, 2010Date of Patent: February 12, 2013Assignee: Honeywell International Inc.Inventors: Adonis Kosta Spathias, Keith Alan Hurley, Hokuto Olson
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Publication number: 20110171020Abstract: An apparatus and method for maintaining separation of two journal foil bearing assemblies, where each journal foil bearing assembly comprises one or more foils with lugs formed thereon for insertion into axial grooves of a bore, the means comprising a pin for insertion into each groove so that an edge of the lug that is inserted into the groove abuts the pin and is prevented from axially drifting along the bore. The pin provides a broad area along the lug edge so that the lug edge does not cut into the pin.Type: ApplicationFiled: January 13, 2010Publication date: July 14, 2011Applicant: HONEYWELL INTERNATIONAL INC.Inventors: ADONIS KOSTA SPATHIAS, KEITH ALAN HURLEY, HOKUTO OLSON