Patents by Inventor Raphaël Boileau
Raphaël Boileau 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: 10316742Abstract: A turbocharger system can include a housing that includes a through bore, a plurality of lubricant bores, a plurality of lubricant bore to through bore openings and a recessed compressor-side surface that defines in part a passage that fluidly couples at least two of the lubricant bores; a rolling element bearing unit disposed at least in part in the through bore of the housing; and, a plate that covers at least a portion of the recessed compressor-side surface of the housing.Type: GrantFiled: May 13, 2016Date of Patent: June 11, 2019Assignees: Garrett Transportation I Inc., BMW AGInventors: Raphaël Hettinger, Fréderic Daguin, Raphaël Boileau, Magali Capelli, Pascal Simon, Nicolas Gaineton, Erich Blumenschein, Raphael Hofer, Michael Reichhart, Georg Risch, Lorenz Steinwender, Florian Grün, István Gódor
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Patent number: 10208623Abstract: An assembly can include a turbocharger center housing that includes a through bore that extends between a compressor end and a turbine end of the turbocharger center housing where the through bore includes a sleeve mating surface; and a sleeve positioned at least in part in the through bore of the turbocharger center housing where the sleeve includes an outer mating surface, an inner compressor side bearing lubricant film formation surface disposed at a first radius, an inner turbine side bearing lubricant film formation surface disposed at a second radius, and a surface between the inner compressor side bearing lubricant film formation surface and the inner turbine side bearing lubricant film formation surface that includes a third radius that is less than the first radius and less than the second radius and where outer mating surface of the sleeve contacts the sleeve mating surface of the turbocharger center.Type: GrantFiled: April 10, 2016Date of Patent: February 19, 2019Assignee: Garrett Transportation I Inc.Inventors: Raphaël Hettinger, Raphaël Boileau, Fréderic Daguin
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Patent number: 9976476Abstract: An assembly can include a turbocharger center housing that includes a through bore and a counterbore positioned between a compressor end and a turbine end of the through bore where the through bore includes a sleeve mating surface positioned between the compressor end and the counterbore and a turbine side bearing lubricant film formation surface positioned between the counterbore and the turbine end; and a sleeve positioned at least in part in the through bore of the turbocharger center housing between the compressor end and the counterbore where the sleeve includes a locating flange and an axial extension that extends from the locating flange where the axial extension includes an outer mating surface, an inner compressor side bearing lubricant film formation surface, a compressor side axially facing spacer surface and a turbine side axially facing spacer surface.Type: GrantFiled: April 12, 2015Date of Patent: May 22, 2018Assignee: Honeywell International Inc.Inventors: Raphaël Hettinger, Raphaël Boileau, Fréderic Daguin
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Patent number: 9963998Abstract: A method can include providing a turbocharger housing that includes a bore; providing a spacer; providing a shaft and wheel assembly with a first rolling element bearing assembly seated on a first portion of a shaft of the shaft and wheel assembly; providing a second rolling element bearing assembly; interference-fitting the spacer into the bore; inserting a free end of the shaft into the bore and through the spacer; and inserting the second rolling element bearing assembly into the bore and seating the second rolling element bearing assembly on a second portion of the shaft such that the spacer is disposed intermediate the first portion of the shaft and the second portion of the shaft.Type: GrantFiled: June 18, 2013Date of Patent: May 8, 2018Assignee: Honeywell International Inc.Inventors: Damien Marsal, Raphaël Hettinger, Raphaël Boileau, Frederic Hehn
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Publication number: 20170328273Abstract: A turbocharger system can include a housing that includes a through bore, a plurality of lubricant bores, a plurality of lubricant bore to through bore openings and a recessed compressor-side surface that defines in part a passage that fluidly couples at least two of the lubricant bores; a rolling element bearing unit disposed at least in part in the through bore of the housing; and, a plate that covers at least a portion of the recessed compressor-side surface of the housing.Type: ApplicationFiled: May 13, 2016Publication date: November 16, 2017Applicants: Honeywell International Inc., BMW AGInventors: Raphaël Hettinger, Fréderic Daguin, Raphaël Boileau, Magali Capelli, Pascal Simon, Nicolas Gaineton, Erich Blumenschein, Raphael Hofer, Michael Reichhart, Georg Risch, Lorenz Steinwender, Florian Grün, István Gódor
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Patent number: 9695708Abstract: A turbocharger bearing assembly can include a spacer that includes an axial through bore, a compressor side surface and a turbine side surface; a compressor side rolling element bearing that includes an outer race surface that faces the compressor side surface of the spacer; a turbine side rolling element bearing that includes an outer race surface that faces the turbine side surface of the spacer; and a spring seated between a first end cap disposed at least in part in the axial through bore of the spacer and a second end cap disposed at least in part in the axial through bore of the spacer where the spring biases an axially facing surface of the first end cap against the outer race surface of the compressor side rolling element bearing and where the spring biases an axially facing surface of the second end cap against the outer race surface of the turbine side rolling element bearing.Type: GrantFiled: April 12, 2015Date of Patent: July 4, 2017Assignee: Honeywell International Inc.Inventors: Raphaël Hettinger, Raphaël Boileau, Fréderic Daguin, José Antonio Molina, Tomás Moriñigo
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Publication number: 20160298490Abstract: A turbocharger bearing assembly can include a spacer that includes an axial through bore, a compressor side surface and a turbine side surface; a compressor side rolling element bearing that includes an outer race surface that faces the compressor side surface of the spacer; a turbine side rolling element bearing that includes an outer race surface that faces the turbine side surface of the spacer; and a spring seated between a first end cap disposed at least in part in the axial through bore of the spacer and a second end cap disposed at least in part in the axial through bore of the spacer where the spring biases an axially facing surface of the first end cap against the outer race surface of the compressor side rolling element bearing and where the spring biases an axially facing surface of the second end cap against the outer race surface of the turbine side rolling element bearing.Type: ApplicationFiled: April 12, 2015Publication date: October 13, 2016Inventors: Raphaël Hettinger, Raphaël Boileau, Fréderic Daguin, José Antonio Molina, Tomás Moriñigo
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Publication number: 20160298535Abstract: An assembly can include a turbocharger center housing that includes a through bore and a counterbore positioned between a compressor end and a turbine end of the through bore where the through bore includes a sleeve mating surface positioned between the compressor end and the counterbore and a turbine side bearing lubricant film formation surface positioned between the counterbore and the turbine end; and a sleeve positioned at least in part in the through bore of the turbocharger center housing between the compressor end and the counterbore where the sleeve includes a locating flange and an axial extension that extends from the locating flange where the axial extension includes an outer mating surface, an inner compressor side bearing lubricant film formation surface, a compressor side axially facing spacer surface and a turbine side axially facing spacer surface.Type: ApplicationFiled: April 12, 2015Publication date: October 13, 2016Inventors: Raphaël Hettinger, Raphaël Boileau, Fréderic Daguin
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Publication number: 20160298491Abstract: An assembly can include a turbocharger center housing that includes a through bore that extends between a compressor end and a turbine end of the turbocharger center housing where the through bore includes a sleeve mating surface; and a sleeve positioned at least in part in the through bore of the turbocharger center housing where the sleeve includes an outer mating surface, an inner compressor side bearing lubricant film formation surface disposed at a first radius, an inner turbine side bearing lubricant film formation surface disposed at a second radius, and a surface between the inner compressor side bearing lubricant film formation surface and the inner turbine side bearing lubricant film formation surface that includes a third radius that is less than the first radius and less than the second radius and where outer mating surface of the sleeve contacts the sleeve mating surface of the turbocharger center.Type: ApplicationFiled: April 10, 2016Publication date: October 13, 2016Inventors: Raphaël Hettinger, Raphaël Boileau, Fréderic Daguin
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Patent number: 9121304Abstract: An assembly for a turbocharger can include a locating washer having an axis and a perimeter that includes a chord segment defined by an apothem measured from the axis; a bearing assembly that includes an outer race having an axis and a perimeter that includes a chord segment defined by an apothem measured from the axis; and a housing that includes a bore for receipt of the bearing assembly and a recess for receipt of the locating washer to space apart the axes of the locating washer and the outer race by a distance greater than the sum of the apothems that provides for contact between the chord segments upon rotation of at least one of the locating washer in the recess and the outer race in the bore. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: GrantFiled: September 11, 2012Date of Patent: September 1, 2015Assignee: Honeywell International Inc.Inventors: Damien Marsal, Raphael Hettinger, Raphael Boileau, Lionel Toussaint
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Publication number: 20140369865Abstract: A method can include providing a turbocharger housing that includes a bore; providing a spacer; providing a shaft and wheel assembly with a first rolling element bearing assembly seated on a first portion of a shaft of the shaft and wheel assembly; providing a second rolling element bearing assembly; interference-fitting the spacer into the bore; inserting a free end of the shaft into the bore and through the spacer; and inserting the second rolling element bearing assembly into the bore and seating the second rolling element bearing assembly on a second portion of the shaft such that the spacer is disposed intermediate the first portion of the shaft and the second portion of the shaft. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: ApplicationFiled: June 18, 2013Publication date: December 18, 2014Inventors: Damien Marsal, Raphaël Hettinger, Raphaël Boileau, Frederic Hehn
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Publication number: 20140069094Abstract: An assembly for a turbocharger can include a locating washer having an axis and a perimeter that includes a chord segment defined by an apothem measured from the axis; a bearing assembly that includes an outer race having an axis and a perimeter that includes a chord segment defined by an apothem measured from the axis; and a housing that includes a bore for receipt of the bearing assembly and a recess for receipt of the locating washer to space apart the axes of the locating washer and the outer race by a distance greater than the sum of the apothems that provides for contact between the chord segments upon rotation of at least one of the locating washer in the recess and the outer race in the bore. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.Type: ApplicationFiled: September 11, 2012Publication date: March 13, 2014Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Damien Marsal, Raphaël Hettinger, Raphaël Boileau, Lionel Toussaint