Patents by Inventor Andrei Minculescu
Andrei Minculescu 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: 10047607Abstract: A component for a turbocharger can include a shaft made of a first material where the shaft includes a turbine wheel end and a shaft axis; a turbine wheel made of a second material where the turbine wheel includes a shaft end and a turbine wheel axis; a weld joint formed by solidification of at least a portion of a weld pool that includes the first material and the second material, where the weld joint joins the turbine wheel end of the shaft and the shaft end of the turbine wheel and where the weld joint includes an inner radial border and an outer radial border; a reservoir disposed radially inwardly of the inner radial border of the weld joint; and a solidified portion of the weld pool disposed in the reservoir. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: GrantFiled: December 5, 2013Date of Patent: August 14, 2018Assignee: Honeywell International Inc.Inventors: Michel Maurice Thirion, Brent Zollinger, Nicolas Vazeille, Marc Wilson, Didier Horlaville, Dominique Armand, Andrei Minculescu
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Patent number: 10041351Abstract: A unit for a turbocharger can include a turbine wheel portion that includes a turbine wheel material and a turbine wheel axis; a shaft portion that includes a shaft material and a shaft axis; a first weld that includes a first average axial position over a first azimuthal span and first weld composition formed of a greater proportion of the turbine wheel material than the shaft material; and a second weld that includes a second average axial position over a second azimuthal span and second weld composition formed of a greater proportion of the turbine wheel material than the shaft material, where a sum of the first azimuthal span and the second azimuthal span is approximately 360 degrees, where the first average axial position differs from the second average axial position, and where the first weld composition differs from the second weld composition.Type: GrantFiled: September 16, 2014Date of Patent: August 7, 2018Assignee: Honeywell International Inc.Inventors: Brent Zollinger, Maurizio Barbone, Didier Horlaville, Andrei Minculescu, Nicolas Vazeille
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Patent number: 10024166Abstract: A unit for a turbocharger can include a turbine wheel portion that includes a turbine wheel material and a turbine wheel axis; a shaft portion that includes a shaft material and a shaft axis where the shaft material includes a molybdenum content less than 0.5 percent by weight; and a weld that includes a nail shape in cross-section where a head portion of the nail shape includes an axial dimension of approximately 1 mm or less and wherein a shank portion of the nail shape includes an axial dimension of approximately 0.4 mm or less.Type: GrantFiled: September 16, 2014Date of Patent: July 17, 2018Assignee: Honeywell International Inc.Inventors: Brent Zollinger, Maurizio Barbone, Didier Horlaville, Andrei Minculescu, Nicolas Vazeille
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Patent number: 9827631Abstract: A method can include co-axially locating a turbine wheel and a shaft where a force applicator applies an axially directed force to the turbine wheel, where the turbine wheel transfers at least a portion of the force to shaft and where a rotatable shaft collet supports the shaft; rotating the rotatable shaft collet; energizing at least one laser beam; and, via the at least one laser beam, forming a weld between the turbine wheel and the shaft.Type: GrantFiled: September 16, 2014Date of Patent: November 28, 2017Assignee: Honeywell International Inc.Inventors: Brent Zollinger, Maurizio Barbone, Didier Horlaville, Andrei Minculescu, Nicolas Vazeille
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Patent number: 9821410Abstract: A system can include a controller; a force applicator; a rotatable shaft centering collet; a drive mechanism that rotates the rotatable shaft centering collect; and a laser beam unit.Type: GrantFiled: September 16, 2014Date of Patent: November 21, 2017Assignee: Honeywell International Inc.Inventors: Brent Zollinger, Maurizio Barbone, Didier Horlaville, Andrei Minculescu, Nicolas Vazeille
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Publication number: 20160076377Abstract: A unit for a turbocharger can include a turbine wheel portion that includes a turbine wheel material and a turbine wheel axis; a shaft portion that includes a shaft material and a shaft axis where the shaft material includes a molybdenum content less than 0.5 percent by weight; and a weld that includes a nail shape in cross-section where a head portion of the nail shape includes an axial dimension of approximately 1 mm or less and wherein a shank portion of the nail shape includes an axial dimension of approximately 0.4 mm or less.Type: ApplicationFiled: September 16, 2014Publication date: March 17, 2016Inventors: Brent ZOLLINGER, Maurizio BARBONE, Didier HORLAVILLE, Andrei MINCULESCU, Nicolas VAZEILLE
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Publication number: 20160074963Abstract: A system can include a controller; a force applicator; a rotatable shaft centering collet; a drive mechanism that rotates the rotatable shaft centering collect; and a laser beam unit.Type: ApplicationFiled: September 16, 2014Publication date: March 17, 2016Inventors: Brent ZOLLINGER, Maurizio BARBONE, Didier HORLAVILLE, Andrei MINCULESCU, Nicolas VAZEILLE
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Publication number: 20160074964Abstract: A method can include co-axially locating a turbine wheel and a shaft where a force applicator applies an axially directed force to the turbine wheel, where the turbine wheel transfers at least a portion of the force to shaft and where a rotatable shaft collet supports the shaft; rotating the rotatable shaft collet; energizing at least one laser beam; and, via the at least one laser beam, forming a weld between the turbine wheel and the shaft.Type: ApplicationFiled: September 16, 2014Publication date: March 17, 2016Inventors: Brent ZOLLINGER, Maurizio BARBONE, Didier HORLAVILLE, Andrei MINCULESCU, Nicolas VAZEILLE
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Publication number: 20160076556Abstract: A unit for a turbocharger can include a turbine wheel portion that includes a turbine wheel material and a turbine wheel axis; a shaft portion that includes a shaft material and a shaft axis; a first weld that includes a first average axial position over a first azimuthal span and first weld composition formed of a greater proportion of the turbine wheel material than the shaft material; and a second weld that includes a second average axial position over a second azimuthal span and second weld composition formed of a greater proportion of the turbine wheel material than the shaft material, where a sum of the first azimuthal span and the second azimuthal span is approximately 360 degrees, where the first average axial position differs from the second average axial position, and where the first weld composition differs from the second weld composition.Type: ApplicationFiled: September 16, 2014Publication date: March 17, 2016Inventors: Brent ZOLLINGER, Maurizio BARBONE, Didier HORLAVILLE, Andrei MINCULESCU, Nicolas VAZEILLE
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Publication number: 20150159487Abstract: A component for a turbocharger can include a shaft made of a first material where the shaft includes a turbine wheel end and a shaft axis; a turbine wheel made of a second material where the turbine wheel includes a shaft end and a turbine wheel axis; a weld joint formed by solidification of at least a portion of a weld pool that includes the first material and the second material, where the weld joint joins the turbine wheel end of the shaft and the shaft end of the turbine wheel and where the weld joint includes an inner radial border and an outer radial border; a reservoir disposed radially inwardly of the inner radial border of the weld joint; and a solidified portion of the weld pool disposed in the reservoir. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: ApplicationFiled: December 5, 2013Publication date: June 11, 2015Applicant: Honeywell International Inc.Inventors: Michel Maurice Thirion, Brent Zollinger, Nicolas Vazeille, Marc Wilson, Didier Horlaville, Dominique Armand, Andrei Minculescu
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Patent number: 8801379Abstract: An assembly includes a nose piece and a boreless compressor wheel having a nose end configured for receipt of the nose piece and a receptacle at a base end configured for receipt of a rotatable shaft. A method includes fitting a nose piece to a boreless compressor wheel, measuring unbalance and, based in part on the measuring, removing material from the nose piece. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: GrantFiled: June 15, 2011Date of Patent: August 12, 2014Assignee: Honeywell International Inc.Inventors: John Frederick Allen, Andrei Minculescu, Sigismund Becze, Jair Corpus
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Publication number: 20120321458Abstract: An assembly includes a nose piece and a boreless compressor wheel having a nose end configured for receipt of the nose piece and a receptacle at a base end configured for receipt of a rotatable shaft. A method includes fitting a nose piece to a boreless compressor wheel, measuring unbalance and, based in part on the measuring, removing material from the nose piece. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: ApplicationFiled: June 15, 2011Publication date: December 20, 2012Applicant: Honeywell International Inc.Inventors: John Frederick Allen, Andrei Minculescu, Sigismund Becze, Jair Corpus