Patents by Inventor Fernando Jorge Casanova
Fernando Jorge Casanova 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: 20220213583Abstract: A coating method for a component with at least one aperture includes providing a component having at least one aperture formed in a surface thereof; additively manufacturing a hollow member on a portion of the surface to define a space above each aperture, the portion of the surface being adjacent to the aperture, the hollow member having an inner peripheral geometry complementary to a peripheral geometry at least one of aperture; applying at least one coating over the surface of the component and around hollow member to form an applied coating having an applied coating thickness; and removing at least a portion of the hollow member to make a top portion of the hollow member coplanar with the applied coating to expose the space through the applied coating; wherein a lower portion of the hollow member remains to define the space through the applied coating.Type: ApplicationFiled: March 22, 2022Publication date: July 7, 2022Inventors: David Allen Singletary, John Thomas Zanetti, Kassy Moy Hart, William Clifford Ross, Jose Troitino Lopez, Anderson Viaro Mattos, Fernando Jorge Casanova
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Patent number: 11377722Abstract: A coating method for a component with at least one aperture includes providing a component having at least one aperture formed in a surface thereof; additively manufacturing a hollow member on a portion of the surface to define a space above each aperture, the portion of the surface being adjacent to the aperture, the hollow member having an inner peripheral geometry complementary to a peripheral geometry at least one of aperture; applying at least one coating over the surface of the component and around hollow member to form an applied coating having an applied coating thickness; and removing at least a portion of the hollow member to make a top portion of the hollow member coplanar with the applied coating to expose the space through the applied coating; wherein a lower portion of the hollow member remains to define the space through the applied coating.Type: GrantFiled: April 15, 2020Date of Patent: July 5, 2022Assignee: General Electric CompanyInventors: David Allen Singletary, John Thomas Zanetti, Kassy Moy Hart, William Clifford Ross, Jose Troitino Lopez, Anderson Viaro Mattos, Fernando Jorge Casanova
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Publication number: 20210324507Abstract: A coating method for a component with at least one aperture includes providing a component having at least one aperture formed in a surface thereof; additively manufacturing a hollow member on a portion of the surface to define a space above each aperture, the portion of the surface being adjacent to the aperture, the hollow member having an inner peripheral geometry complementary to a peripheral geometry at least one of aperture; applying at least one coating over the surface of the component and around hollow member to form an applied coating having an applied coating thickness; and removing at least a portion of the hollow member to make a top portion of the hollow member coplanar with the applied coating to expose the space through the applied coating; wherein a lower portion of the hollow member remains to define the space through the applied coating.Type: ApplicationFiled: April 15, 2020Publication date: October 21, 2021Inventors: David Allen Singletary, John Thomas Zanetti, Kassy Moy Hart, William Clifford Ross, Jose Troitino Lopez, Anderson Viaro Mattos, Fernando Jorge Casanova
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Patent number: 10662793Abstract: A sealing system for a multi-stage turbine includes multiple first interstage seal subsystems disposed circumferentially about a rotor wheel shaft of the multi-stage turbine and extending axially between a first turbine stage and a second turbine stage of the multi-stage turbine. Each of the first interstage seal subsystems includes multiple near flow path seal segments. The first interstage seal subsystem also includes a forward coverplate disposed axially between a first turbine wheel of the first turbine stage and the near flow path seal segment and an aft coverplate disposed axially between the near flow path seal segment and a second turbine wheel of the second turbine stag. Further, each of the forward coverplate and the aft coverplate extends radially to a first stage bucket and a second stage bucket respectively.Type: GrantFiled: December 1, 2014Date of Patent: May 26, 2020Assignee: General Electric CompanyInventors: Omprakash Samudrala, Edip Sevincer, Jonathan Michael Webster, Fernando Jorge Casanova
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Patent number: 10337345Abstract: A sealing system for a multi-stage turbine includes multiple interstage seal segments disposed circumferentially about a turbine rotor wheel assembly and extending axially between a forward turbine stage and an aft turbine stage. Each of the interstage seal segments includes a forward end portion including an outer seal surface and an inner support face, an aft end portion, including an outer seal surface and an inner support face and a main body portion extending axially from the forward end portion to the aft end. The main body portion includes at least two support webs coupling the outer seal surfaces and the inner support faces. The outer seal surfaces are configured to be retained in a radial direction by a land support on each of a forward and aft stage turbine buckets, such that substantially all the centrifugal load from the multiple interstage seal segments is transferred to the forward and aft stage turbine buckets. A method of assembling the sealing system is disclosed.Type: GrantFiled: February 20, 2015Date of Patent: July 2, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Omprakash Samudrala, Fernando Jorge Casanova, Edip Sevincer, Jonathan Michael Webster
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Publication number: 20160245106Abstract: A sealing system for a multi-stage turbine includes multiple interstage seal segments disposed circumferentially about a turbine rotor wheel assembly and extending axially between a forward turbine stage and an aft turbine stage. Each of the interstage seal segments includes a forward end portion including an outer seal surface and an inner support face, an aft end portion, including an outer seal surface and an inner support face and a main body portion extending axially from the forward end portion to the aft end. The main body portion includes at least two support webs coupling the outer seal surfaces and the inner support faces. The outer seal surfaces are configured to be retained in a radial direction by a land support on each of a forward and aft stage turbine buckets, such that substantially all the centrifugal load from the multiple interstage seal segments is transferred to the forward and aft stage turbine buckets. A method of assembling the sealing system is disclosed.Type: ApplicationFiled: February 20, 2015Publication date: August 25, 2016Inventors: Omprakash Samudrala, Fernando Jorge Casanova, Edip Sevincer, Jonathan Michael Webster
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Publication number: 20160153302Abstract: A sealing system for a multi-stage turbine includes multiple first interstage seal subsystems disposed circumferentially about a rotor wheel shaft of the multi-stage turbine and extending axially between a first turbine stage and a second turbine stage of the multi-stage turbine. Each of the first interstage seal subsystems includes multiple near flow path seal segments. The first interstage seal subsystem also includes a forward coverplate disposed axially between a first turbine wheel of the first turbine stage and the near flow path seal segment and an aft coverplate disposed axially between the near flow path seal segment and a second turbine wheel of the second turbine stag. Further, each of the forward coverplate and the aft coverplate extends radially to a first stage bucket and a second stage bucket respectively.Type: ApplicationFiled: December 1, 2014Publication date: June 2, 2016Inventors: Omprakash Samudrala, Edip Sevincer, Jonathan Michael Webster, Fernando Jorge Casanova
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Patent number: 9133868Abstract: A fastener is provided including a bolt having at least one threaded end, a first sleeve configured to fit over the bolt, and a second sleeve configured to fit over the first sleeve. At least one nut is configured to cooperate with threads in the threaded ends of the bolt. The first and second sleeves are configured to impart an outwardly radial load when the nuts are tightened on the bolt.Type: GrantFiled: April 16, 2013Date of Patent: September 15, 2015Assignee: General Electric CompanyInventors: Fernando Jorge Casanova, Rajesh Kumar, Madhumita Roy
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Patent number: 9068465Abstract: According to one aspect of the invention, a turbine assembly includes a rotor wheel and a circumferential slot formed in the rotor wheel, the circumferential slot including a uniform cross-section shape for a circumference of the rotor wheel. The assembly also includes a first ring member positioned in the circumferential slot, the first ring member being configured to prevent radial movement of a dovetail attachment when positioned in the circumferential slot, wherein the dovetail attachment is part of a turbine blade.Type: GrantFiled: April 30, 2012Date of Patent: June 30, 2015Assignee: GENERAL ELECTRIC COMPANYInventors: Mayur Abhay Keny, Fernando Jorge Casanova, Prathap Raj Rajendran
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Patent number: 8998568Abstract: A turbine is provided and includes a rotor, which is rotatable about a centerline thereof, a sensor to measure a condition at a point of measurement interest defined on the rotor at a radial distance from the centerline, a communication system by which condition measurements are transmittable from the sensor to a non-rotating recording system and a probe holder to secure the sensor and a portion of the communication system on the rotor proximate to the point of measurement interest.Type: GrantFiled: October 21, 2010Date of Patent: April 7, 2015Assignee: General Electric CompanyInventors: Kurt Kramer Schleif, Gregory Quentin Brown, Philip Michael Caruso, Fernando Jorge Casanova, Seung-Woo Choi, Josef Scott Cummins, Matthew Ryan Ferslew, Andrew Clifford Hart, Robert David Jones, Jong Youn Pak, Francesco Soranna
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Publication number: 20140308088Abstract: A fastener is provided including a bolt having at least one threaded end, a first sleeve configured to fit over the bolt, and a second sleeve configured to fit over the first sleeve. At least one nut is configured to cooperate with threads in the threaded ends of the bolt. The first and second sleeves are configured to impart an outwardly radial load when the nuts are tightened on the bolt.Type: ApplicationFiled: April 16, 2013Publication date: October 16, 2014Applicant: General Electric CompanyInventors: Fernando Jorge Casanova, Rajesh Kumar, Madhumita Roy
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Publication number: 20140154060Abstract: A turbomachine seal assembly includes a rotor disposed about an axial centerline, the rotor having an outer surface. Also included is a stationary component extending circumferentially about the rotor. Further included is at least one primary annular seal ring operably coupled to the stationary component and extending radially inwardly to close proximity with the outer surface of the rotor. Yet further included is a secondary annular seal ring operably coupled to the stationary component and integrally formed with the at least one primary annular seal ring, the secondary annular seal ring extending radially inwardly to close proximity with the outer surface of the rotor.Type: ApplicationFiled: December 5, 2012Publication date: June 5, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Andrew Paul Giametta, Fernando Jorge Casanova, Hrishikesh Vishvas Deo
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Publication number: 20130287556Abstract: According to one aspect of the invention, a turbine assembly includes a rotor wheel and a circumferential slot formed in the rotor wheel, the circumferential slot including a uniform cross-section shape for a circumference of the rotor wheel. The assembly also includes a first ring member positioned in the circumferential slot, the first ring member being configured to prevent radial movement of a dovetail attachment when positioned in the circumferential slot, wherein the dovetail attachment is part of a turbine blade.Type: ApplicationFiled: April 30, 2012Publication date: October 31, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Mayur Abhay Keny, Fernando Jorge Casanova, Prathap Raj Rajendran
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Publication number: 20130236315Abstract: A torque transmission for a gas turbine rotor includes a plurality of adjacent rotating machine wheels. Each wheel includes a first flange on a first axial side and a second flange on a second axial side. The first flange has a plurality of first teeth extending around the circumference of the first flange and spaced by first slots, and the second flange has a plurality of second teeth extending around a circumference of the second flange and spaced by second slots. The first teeth of a first wheel are received in the second slots of a second, adjacent wheel to transmit torque through shear of the teeth and the first flange and the second flange are engaged to transmit torque through friction between the flanges.Type: ApplicationFiled: March 6, 2012Publication date: September 12, 2013Inventors: Rajesh Kumar, Fernando Jorge Casanova
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Patent number: 8220319Abstract: A communication system is provided and includes a sensor to measure a condition at a point of measurement interest defined on a rotor of a turbine at a radial distance from a centerline about which the rotor is rotatable, wiring disposed on the rotor at a radial distance from the centerline, the wiring including a first wiring section coupled to the sensor, a second wiring section and a first connection by which the first and second wiring sections are connectable, a second connection by which the second wiring section transmits a signal reflective of the detected condition to a non-rotating recording element and a temperature compensation module disposed on the second wiring section to adjust the signal.Type: GrantFiled: October 21, 2010Date of Patent: July 17, 2012Assignee: General Electric CompanyInventors: Kurt Kramer Schleif, Gregory Quentin Brown, Philip Michael Caruso, Fernando Jorge Casanova, Seung-Woo Choi, Josef Scott Cummins, Matthew Ryan Ferslew, Andrew Clifford Hart, Robert David Jones, Jong Youn Pak, Francesco Soranna
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Publication number: 20120171037Abstract: A method of assembling a probe assembly is provided. At least one probe is coupled to an annular tube, wherein the tube includes an interior surface and an exterior surface. The tube also includes at least one first opening that extends between the interior and exterior surfaces and at least one second opening that extends between the interior and exterior surfaces. Moreover, at least one annular flange is coupled to the tube. The flange has a substantially elliptical shape that facilitates substantially preventing the relative rotation of the tube.Type: ApplicationFiled: January 3, 2011Publication date: July 5, 2012Inventors: Prathap Raj R, Kurt Kramer Schleif, Fernando Jorge Casanova
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Publication number: 20120096961Abstract: A turbine is provided and includes a component having a body, which is rotatable about a rotor centerline and which is formed to define a cavity radially proximate to a point of measurement interest defined at a radial distance from the centerline, a sensor to measure a condition at the point of measurement interest, a communication system by which condition measurements are transmittable from the sensor to a non-rotating recording system and a probe holder insertible into the cavity to secure the sensor proximate to the point of measurement interest.Type: ApplicationFiled: October 21, 2010Publication date: April 26, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Kurt Kramer Schleif, Gregory Quentin Brown, Philip Michael Caruso, Fernando Jorge Casanova, Seung-Woo Choi, Josef Scott Cummins, Matthew Ryan Ferslew, Andrew Clifford Hart, Robert David Jones, Jong Youn Pak
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Publication number: 20120096934Abstract: A communication system is provided and includes a sensor to measure a condition at a point of measurement interest defined on a rotor of a turbine at a radial distance from a centerline about which the rotor is rotatable, wiring disposed on the rotor at a radial distance from the centerline, the wiring including a first wiring section coupled to the sensor, a second wiring section and a first connection by which the first and second wiring sections are connectable, a second connection by which the second wiring section transmits a signal reflective of the detected condition to a non-rotating recording element and a temperature compensation module disposed on the second wiring section to adjust the signal.Type: ApplicationFiled: October 21, 2010Publication date: April 26, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Kurt Kramer Schleif, Gregory Quentin Brown, Philip Michael Caruso, Fernando Jorge Casanova, Seung-Woo Choi, Josef Scott Cummins, Matthew Ryan Ferslew, Andrew Clifford Hart, Robert David Jones, Jong Youn Pak, Francesco Soranna
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Publication number: 20120096946Abstract: A turbine is provided and includes a rotor, which is rotatable about a centerline thereof, a sensor to measure a condition at a point of measurement interest defined on the rotor at a radial distance from the centerline, a communication system by which condition measurements are transmittable from the sensor to a non-rotating recording system and a probe holder to secure the sensor and a portion of the communication system on the rotor proximate to the point of measurement interest.Type: ApplicationFiled: October 21, 2010Publication date: April 26, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Kurt Kramer Schleif, Gregory Quentin Brown, Philip Michael Caruso, Fernando Jorge Casanova, Seung-Woo Choi, Josef Scott Cummins, Matthew Ryan Ferslew, Andrew Clifford Hart, Robert David Jones, Jong Youn Pak, Francesco Soranna
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Patent number: 7217099Abstract: A compressor forward stub shaft comprising a plurality of axially spaced, annular rows of dovetail grooves, at least a first and a second of the plurality of rows having dovetail slots coated in part with an anti-wear coating.Type: GrantFiled: May 24, 2005Date of Patent: May 15, 2007Assignee: General Electric CompanyInventors: Fernando Jorge Casanova, San-Dar Gau, Richard Michael Robinson, Raymond Grant Rowe