Patents by Inventor Christophe Lanaud
Christophe Lanaud 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: 20180087522Abstract: An aerodynamic vane insert configured to reproduce at least an aerodynamic vane of a finished centrifugal impeller and a method for building a centrifugal impeller for a turbomachine.Type: ApplicationFiled: September 29, 2017Publication date: March 29, 2018Inventors: Massimo Giannozzi, Iacopo Giovannetti, Andrea Massini, Bulent Aksel, Christophe Lanaud, Julian O'Flynn, Scott Finn
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Patent number: 9816518Abstract: A centrifugal impeller for a turbomachine is provided. The centrifugal impeller comprises a plurality of aerodynamic vanes, each of the aerodynamic vanes having internal walls on which is associated a fabric element.Type: GrantFiled: November 22, 2010Date of Patent: November 14, 2017Inventors: Massimo Giannozzi, Iacopo Giovannetti, Andrea Massini, Bulent Aksel, Christophe Lanaud, Julian O'Flynn, Scott Finn
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Patent number: 9810235Abstract: A mold for a centrifugal impeller for a turbomachine is provided. The mold comprises at least one annular insert, wherein the annular insert comprises a plurality of aerodynamic vane inserts configured to reproduce an annular assembly of aerodynamic vanes of a finished centrifugal impeller.Type: GrantFiled: November 22, 2010Date of Patent: November 7, 2017Inventors: Massimo Giannozzi, Iacopo Giovannetti, Andrea Massini, Bulent Aksel, Christophe Lanaud, Julian O'Flynn, Scott Finn
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Publication number: 20130039769Abstract: A centrifugal impeller for a turbomachine is provided. The centrifugal impeller comprises a plurality of aerodynamic vanes, each of the aerodynamic vanes having internal walls on which is associated a fabric element.Type: ApplicationFiled: November 22, 2010Publication date: February 14, 2013Applicant: NUOVO PIGNONE S.P.A.Inventors: Massimo Giannozzi, Iacopo Giovannetti, Andrea Massini, Bulent Aksel, Christophe Lanaud, Julian O'Flynn, Scott Finn
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Publication number: 20130011269Abstract: A mold for a centrifugal impeller for a turbomachine is provided. The mold comprises at least one annular insert, wherein the annular insert comprises a plurality of aerodynamic vane inserts configured to reproduce an annular assembly of aerodynamic vanes of a finished centrifugal impeller.Type: ApplicationFiled: November 22, 2010Publication date: January 10, 2013Applicant: NUOVO PIGNONE S.P.A.Inventors: Massimo Gainnozzi, Iacopo Giovannetti, Andrea Massini, Bulent Aksel, Christophe Lanaud, Julian O'Flynn, Scott Finn
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Patent number: 8123488Abstract: A blade assembly including an outboard blade segment is provided. The outboard blade segment includes an outboard blade shell, first and second outboard bulkheads situated within the outboard blade shell, and an outer box supported by and aligned by the outboard bulkheads. The blade assembly also includes an inboard blade segment including an inboard blade shell, first and second inboard bulkheads situated within the inboard blade shell, and an inner box supported by and aligned by the inboard bulkheads. Further, the inner and the outer boxes are tapered to facilitate insertion of the inner box into the outer box and coupling of the inner and outer boxes.Type: GrantFiled: September 17, 2007Date of Patent: February 28, 2012Assignee: General Electric CompanyInventors: Peter Michael Finnigan, Christophe Lanaud, Govindarajan Rengarajan, Gang Qian
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Patent number: 7766625Abstract: A method facilitates reducing stress in a turbine bucket including a metallic base metal. The method comprises providing a turbine bucket including at least one pocket formed therein, and filling at least one pocket defined in the bucket with a polymer composite having continuous fibers oriented in a resin matrix, such that the fibers have an orientation determined in accordance with a pre-selected frequency tuning of the bucket.Type: GrantFiled: March 31, 2006Date of Patent: August 3, 2010Assignee: General Electric CompanyInventors: Steven S. Burdgick, Christophe Lanaud, Adegboyega Makinde, Wendy Lin, Grama Praveen, Amitabh Bansal
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Patent number: 7588421Abstract: A method for making a turbine blade includes providing a bucket in the turbine blade with a plurality of window pockets passing all the way through a wall of the bucket, positioning the window pockets in regions minimizing or at least reducing stress concentrations on the window pockets, and casting a composite comprising a resin matrix and layers of a fabric material in the bucket.Type: GrantFiled: March 31, 2006Date of Patent: September 15, 2009Assignee: General Electric CompanyInventors: Steven S. Burdgick, Christophe Lanaud, Adegboyega Makinde, Wendy Lin
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Publication number: 20090136355Abstract: A blade assembly including an outboard blade segment is provided. The outboard blade segment includes an outboard blade shell, first and second outboard bulkheads situated within the outboard blade shell, and an outer box supported by and aligned by the outboard bulkheads. The blade assembly also includes an inboard blade segment including an inboard blade shell, first and second inboard bulkheads situated within the inboard blade shell, and an inner box supported by and aligned by the inboard bulkheads. Further, the inner and the outer boxes are tapered to facilitate insertion of the inner box into the outer box and coupling of the inner and outer boxes.Type: ApplicationFiled: September 17, 2007Publication date: May 28, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Peter Michael Finnigan, Christophe Lanaud, Govindarajan Rengarajan, Gang Qian
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Patent number: 7429165Abstract: To address certain deficiencies of carbon fiber material as a filler in a hybrid blade, a glass composite layer is provided as a barrier layer between a carbon fiber resin filler and the metallic main body of the blade. The glass composite layer also advantageously provides a gradient in thermal expansion between the carbon fiber composite and the body of the blade (steel) to reduce interfacial residual stress.Type: GrantFiled: June 14, 2006Date of Patent: September 30, 2008Assignee: General Electric CompanyInventors: Steven Sebastian Burdgick, Wendy Wen-Ling Lin, Adegboyega Makinde, Christophe Lanaud, Amitabh Bansal
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Publication number: 20070292274Abstract: To address certain deficiencies of carbon fiber material as a filler in a hybrid blade, a glass composite layer is provided as a barrier layer between a carbon fiber resin filler and the metallic main body of the blade. The glass composite layer also advantageously provides a gradient in thermal expansion between the carbon fiber composite and the body of the blade (steel) to reduce interfacial residual stress.Type: ApplicationFiled: June 14, 2006Publication date: December 20, 2007Applicant: General Electric CompanyInventors: Steven Sebastian Burdgick, Wendy Wen-Ling Lin, Adegboyega Makinde, Christophe Lanaud, Amitabh Bansal
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Publication number: 20070292265Abstract: A steam turbine system for use in conjunction with hybrid last stage(s) LP buckets. The system is adapted to cool the bucket tip region during low VAN windage conditions whereby the beneficial design and efficiency outcomes of the use of hybrid blades can be realized.Type: ApplicationFiled: June 14, 2006Publication date: December 20, 2007Applicant: GENERAL ELECTRIC COMPANYInventors: Steven Sebastian Burdgick, Christophe Lanaud, Peter Michael Finnigan, Wendy Wen-ling Lin
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Publication number: 20070231154Abstract: A method facilitates reducing stress in a turbine bucket including a metallic base metal. The method comprises providing a turbine bucket including at least one pocket formed therein, and filling at least one pocket defined in the bucket with a polymer composite having continuous fibers oriented in a resin matrix, such that the fibers have an orientation determined in accordance with a pre-selected frequency tuning of the bucket.Type: ApplicationFiled: March 31, 2006Publication date: October 4, 2007Inventors: Steven Burdgick, Christophe Lanaud, Adegboyega Makinde, Wendy Lin, Grama Praveen, Amitabh Bansal
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Publication number: 20070231155Abstract: A method for making a turbine blade includes providing a bucket in the turbine blade with a plurality of window pockets passing all the way through a wall of the bucket, positioning the window pockets in regions minimizing or at least reducing stress concentrations on the window pockets, and casting a composite comprising a resin matrix and layers of a fabric material in the bucket.Type: ApplicationFiled: March 31, 2006Publication date: October 4, 2007Inventors: Steven Burdgick, Christophe Lanaud, Adegboyega Makinde, Wendy Lin
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Patent number: 7104761Abstract: A method of manufacturing a blade for assembly on a steam turbine rotor wheel includes forming an airfoil portion with plural pockets and filling the pockets with more than one filler material chosen as a function of required temperature capability.Type: GrantFiled: July 28, 2004Date of Patent: September 12, 2006Assignee: General Electric CompanyInventors: Steven Sebastian Burdgick, Guy W. DeLeonardo, Wendy W. Lin, Christophe Lanaud
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Publication number: 20060024169Abstract: A method of manufacturing a blade for assembly on a steam turbine rotor wheel includes forming an airfoil portion with plural pockets and filling the pockets with more than one filler material chosen as a function of required temperature capability.Type: ApplicationFiled: July 28, 2004Publication date: February 2, 2006Inventors: Steven Burdgick, Guy DeLeonardo, Wendy Lin, Christophe Lanaud
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Patent number: 6020806Abstract: A degaussing coil designed to be mounted on the glass panels of cathode-ray tubes used to display color images wherein, the link between the ends of the winding of the degaussing coil and the conductors provides connection to the electrical supply circuit is encased in an insulating thermoplastic material. The degaussing coils is utilized for color television receivers.Type: GrantFiled: November 24, 1997Date of Patent: February 1, 2000Assignee: Thomson Television Components FranceInventors: Jean-Claude Sey, Daniel Vittoz, Christophe Lanaud
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Patent number: 5878482Abstract: A method of manufacturing degaussing coils designed to be mounted on the glass panels of cathode-ray tubes used to display color therein, the link between the ends of the winding of the degaussing coil and the conductors providing connection to the electrical supply circuit is encased by the injection, into a mold, of an insulating thermoplastic material. The method can be applied to degaussing coils for color television receivers.Type: GrantFiled: December 9, 1997Date of Patent: March 9, 1999Assignee: Thomson Television Components FranceInventors: Jean-Claude Sey, Daniel Vittoz, Christophe Lanaud
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Patent number: 5751206Abstract: A degaussing coils designed to be mounted on the glass panels of cathode-ray tubes used to display color images wherein the link between the ends of the winding of the degaussing coil and the conductors provides connection to the electrical supply circuit is encased in an insulating thermoplastic material. The degaussing coils is utilized for color television receivers.Type: GrantFiled: August 29, 1996Date of Patent: May 12, 1998Assignee: Thomson Television Components FranceInventors: Jean-Claude Sey, Daniel Vittoz, Christophe Lanaud