Patents by Inventor Frank Scherrer
Frank Scherrer 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: 11060413Abstract: A turbine with variable turbine geometry for an internal combustion engine. The turbine includes a bearing housing, a turbine housing, and a cartridge which has a blade bearing ring for mounting a plurality of adjustable blades. The cartridge is fixed on the bearing housing via at least three bolts.Type: GrantFiled: November 27, 2017Date of Patent: July 13, 2021Assignee: BorgWarner Inc.Inventors: Thomas Ramb, Leif Heidingsfelder, Christian Haibt, Frank Scherrer
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Patent number: 10830088Abstract: A turbine having variable turbine geometry for use in a combustion engine. The turbine includes a bearing housing, a turbine housing and a cartridge, which features a vane bearing ring for supporting a plurality of adjustable vanes. The turbine further includes at least one of a separator disc and a shield ring arranged radially outward of the vane bearing ring.Type: GrantFiled: October 31, 2017Date of Patent: November 10, 2020Assignee: BorgWarner Inc.Inventors: Thomas Ramb, Leif Heidingsfelder, Christian Haibt, Frank Scherrer
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Publication number: 20190323375Abstract: A turbine with variable turbine geometry for an internal combustion engine. The turbine includes a bearing housing, a turbine housing, and a cartridge which has a blade bearing ring for mounting a plurality of adjustable blades. The cartridge is fixed on the bearing housing via at least three bolts.Type: ApplicationFiled: November 27, 2017Publication date: October 24, 2019Inventors: Thomas RAMB, Leif HEIDINGSFELDER, Christian HAIBT, Frank SCHERRER
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Publication number: 20190284951Abstract: A turbine having variable turbine geometry for use in a combustion engine. The turbine includes a bearing housing, a turbine housing and a cartridge, which features a vane bearing ring for supporting a plurality of adjustable vanes. The turbine further includes at least one of a separator disc and a shield ring arranged radially outward of the vane bearing ring.Type: ApplicationFiled: October 31, 2017Publication date: September 19, 2019Inventors: Thomas RAMB, Leif HEIDINGSFELDER, Christian HAIBT, Frank SCHERRER
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Patent number: 10309415Abstract: An exhaust-gas turbocharger (1) having a compressor housing (2); a turbine housing (3); and a bearing housing (4) which has a compressor-side flange (5) and which has a turbine-housing-side flange (6). The turbine-housing-side flange (6) is produced from a material which corresponds in terms of its mechanical and thermal properties to the material of the turbine housing (2).Type: GrantFiled: May 21, 2012Date of Patent: June 4, 2019Assignee: BorgWarner Inc.Inventors: Robert Lingenauber, Frank Scherrer, Josef-Hans Hemer, Michael Fischer
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Patent number: 10240608Abstract: A TiAl alloy comprising the elements C, Si, B, Al and Ti, wherein a C fraction is ?0.5 wt %, an Si fraction is 0.05-2.5 wt %, a B fraction is ?0.4 wt % and an Al fraction is 25-43 wt %, in each case in relation to the total weight of the alloy.Type: GrantFiled: February 3, 2015Date of Patent: March 26, 2019Assignee: BorgWarner Inc.Inventors: Gerald Schall, Daniela Cempirkova, Steffen Bereswill, Frank Scherrer, Menno Roder, Juergen Strelbitski, Michael Loewenberg, Adnan Adilovic, Dominik Kuss, Stefan Eisinger, Achim Klein
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Patent number: 10138733Abstract: A process for producing a turbine rotor (1), which has, as joining partners, a turbine wheel (2) made of TiAl and a shaft (3) produced from steel, with the following process steps: providing the turbine wheel (2); providing a solder; providing the shaft (3); and connecting the turbine wheel (2) and the shaft (3) by electron beam soldering by means of an electron beam (5).Type: GrantFiled: October 22, 2013Date of Patent: November 27, 2018Assignee: BorgWarner Inc.Inventors: Frank Scherrer, Menno Roder, Gerald Schall, Juergen Strelbitski, Michael Loewenberg, Stefan Eisinger, Adnan Adilovic, Dominik Kuss
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Patent number: 10001137Abstract: An exhaust-gas turbocharger (1) with 2-channel turbine inflow, including a housing (2), a shaft (6) mounted in the housing (2), a compressor wheel (8) arranged on the shaft (6) and a turbine wheel (7) arranged on the shaft (6), and a first and a second inflow duct (11, 12) formed in the housing (2). Both inflow ducts (11, 12) open in the direction of the turbine wheel (7). A partition (9) separates the two inflow ducts (11, 12) from one another. At least one water-cooling duct (10) is provided in the interior of the partition (9).Type: GrantFiled: May 16, 2013Date of Patent: June 19, 2018Assignee: BorgWarner Inc.Inventors: Robert Krewinkel, Frank Scherrer
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Patent number: 10001012Abstract: A turbine wheel (1) of an exhaust-gas turbocharger (2), formed from a titanium aluminide material, having a wheel back (7) which is of closed configuration as viewed from an axial direction (A) and which has an outer contour (17), a hub (3) which extends from the wheel back (7) and which tapers along the axial direction (A), and a multiplicity of turbine blades (4) which extend from the wheel back (7) and from the hub (3) and which blades extend outward in a radial direction (R), as far as a connection region outer diameter (DAB) at least in a connection region (5). The wheel back (7) has, in an outer region (11) adjoining the connection region (5), a wheel back outer diameter (DRR) which is greater than or equal to the connection region outer diameter (DAB).Type: GrantFiled: March 25, 2014Date of Patent: June 19, 2018Assignee: BorgWarner Inc.Inventors: Frank Scherrer, Menno Roder, Gerald Schall, Juergen Strelbitski, Michael Loewenberg, Stefan Eisinger, Adnan Adilovic, Achim Klein
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Patent number: 9808861Abstract: A process for casting TiAl components, having the following process steps: producing a melt (S) of the TiAl material below an inert gas fill (IF); placing a casting mold (1) on a gate (2) in a gastight manner; flooding the casting mold (1) with inert gas (IG) by opening a closure mechanism (7) which is arranged at the gate (2) and is connected to an inert gas source (8); pressing the melt (S) through the gate (2) into the casting mold (1) by increasing the pressure (P) of the inert gas fill (IF) above the melt (S) while at the same time evacuating the inert gas (IG) from the casting mold (1), and stopping the inflow of inert gas (IG) as soon as it is determined that the melt (S) passes above the position of the closure mechanism (7).Type: GrantFiled: April 30, 2014Date of Patent: November 7, 2017Assignee: BorgWarner Inc.Inventors: Wolfgang Schneider, Frank Scherrer
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Publication number: 20170167497Abstract: A TiAl alloy comprising the elements C, Si, B, Al and Ti, wherein a C fraction is ?0.5 wt %, an Si fraction is 0.05-2.5 wt %, a B fraction is ?0.4 wt % and an Al fraction is 25-43 wt %, in each case in relation to the total weight of the alloy.Type: ApplicationFiled: February 3, 2015Publication date: June 15, 2017Inventors: Gerald SCHALL, Daniela CEMPIRKOVA, Steffen BERESWILL, Frank SCHERRER, Menno RODER, Juergen STRELBITSKI, Michael LOEWENBERG, Adnan ADILOVIC, Dominik KUSS, Stefan EISINGER, Achim KLEIN
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Publication number: 20160129499Abstract: A process for casting TiAl components, having the following process steps: producing a melt (S) of the TiAl material below an inert gas fill (IF); placing a casting mold (1) on a gate (2) in a gastight manner; flooding the casting mold (1) with inert gas (IG) by opening a closure mechanism (7) which is arranged at the gate (2) and is connected to an inert gas source (8); pressing the melt (S) through the gate (2) into the casting mold (1) by increasing the pressure (P) of the inert gas fill (IF) above the melt (S) while at the same time evacuating the inert gas (IG) from the casting mold (1), and stopping the inflow of inert gas (IG) as soon as it is ,determined that the melt (S) passes above the position of the closure mechanism (7).Type: ApplicationFiled: April 30, 2014Publication date: May 12, 2016Inventors: Wolfgang SCHNEIDER, Frank SCHERRER
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Publication number: 20160053616Abstract: A turbine wheel (1) of an exhaust-gas turbocharger (2), formed from a titanium aluminide material, having a wheel back (7) which is of closed configuration as viewed from an axial direction (A) and which has an outer contour (17), a hub (3) which extends from the wheel back (7) and which tapers along the axial direction (A), and a multiplicity of turbine blades (4) which extend from the wheel back (7) and from the hub (3) and which blades extend outward in a radial direction (R), as far as a connection region outer diameter (DAB) at least in a connection region (5). The wheel back (7) has, in an outer region (11) adjoining the connection region (5), a wheel back outer diameter (DRR) which is greater than or equal to the connection region outer diameter (DAB).Type: ApplicationFiled: March 25, 2014Publication date: February 25, 2016Inventors: Frank SCHERRER, Menno RODER, Gerald SCHALL, Juergen STRELBITSKI, Michael LOEWENBERG, Stefan EISINGER, Adnan ADILOVIC, Achim KLEIN
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Publication number: 20150283656Abstract: A process for producing a turbine wheel (10), including the following process steps: casting a bar-shaped primary material (3); treating the primary material (3) in a hot isostatic pressing process (HIP process); dividing the HIP-treated primary material (3) into primary shaped parts (4 to 8); forging a blank (9) from each of the primary shaped parts (4 to 8); and creating, in particular milling, a turbine wheel (10) from the blank (9).Type: ApplicationFiled: October 22, 2013Publication date: October 8, 2015Inventors: Frank Scherrer, Menno Roder, Gerald Schall, Juergen Strelbitski, Michael Loewenberg, Stefan Eisinger, Adnan Adilovic, Dominik Kuss, Christian Cudel
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Publication number: 20150275672Abstract: A process for producing a turbine rotor (1), which has, as joining partners, a turbine wheel (2) made of TiAl and a shaft (3) produced from steel, with the following process steps: providing the turbine wheel (2); providing a solder; providing the shaft (3); and connecting the turbine wheel (2) and the shaft (3) by electron beam soldering by means of an electron beam (5).Type: ApplicationFiled: October 22, 2013Publication date: October 1, 2015Inventors: Frank Scherrer, Menno Roder, Gerald Schall, Juergen Strelbitski, Michael Loewenberg, Stefan Eisinger, Adnan Adilovic, Dominik Kuss
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Patent number: 9115599Abstract: The invention relates to an exhaust-gas turbocharger (1) having a compressor housing (3), having a bearing housing (28) which can be connected at one end to the compressor housing (3) by means of a first fastening device (19), and having a turbine housing (2) which can be connected to the bearing housing (28) at the other end of the latter by means of a second fastening device (20), with the compressor housing (3), the bearing housing (28) and the turbine housing (2) extending along an exhaust-gas turbocharger longitudinal axis (R), wherein the second fastening device (20) is designed as a plug-and-twist connecting device, and a seal (25) is provided between the turbine housing (2) and the bearing housing (28).Type: GrantFiled: December 3, 2010Date of Patent: August 25, 2015Assignee: BorgWarner Inc.Inventors: Oliver Schumnig, Frank Scherrer
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Publication number: 20150125265Abstract: An exhaust-gas turbocharger (1) with 2-channel turbine inflow, including a housing (2), a shaft (6) mounted in the housing (2), a compressor wheel (8) arranged on the shaft (6) and a turbine wheel (7) arranged on the shaft (6), and a first and a second inflow duct (11, 12) formed in the housing (2). Both inflow ducts (11, 12) open in the direction of the turbine wheel (7). A partition (9) separates the two inflow ducts (11, 12) from one another. At least one water-cooling duct (10) is provided in the interior of the partition (9).Type: ApplicationFiled: May 16, 2013Publication date: May 7, 2015Inventors: Robert Krewinkel, Frank Scherrer
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Publication number: 20140099196Abstract: An exhaust-gas turbocharger (1) having a compressor housing (2); a turbine housing (3); and a bearing housing (4) which has a compressor-side flange (5) and which has a turbine-housing-side flange (6). The turbine-housing-side flange (6) is produced from a material which corresponds in terms of its mechanical and thermal properties to the material of the turbine housing (2).Type: ApplicationFiled: May 21, 2012Publication date: April 10, 2014Applicant: BorgWarner Inc.Inventors: Robert Lingenauber, Frank Scherrer, Josef-Hans Hemer, Michael Fischer
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Publication number: 20110142604Abstract: The invention relates to an exhaust-gas turbocharger (1) having a compressor housing (3), having a bearing housing (28) which can be connected at one end to the compressor housing (3) by means of a first fastening device (19), and having a turbine housing (2) which can be connected to the bearing housing (28) at the other end of the latter by means of a second fastening device (20), with the compressor housing (3), the bearing housing (28) and the turbine housing (2) extending along an exhaust-gas turbocharger longitudinal axis (R), wherein the second fastening device (20) is designed as a plug-and-twist connecting device, and a seal (25) is provided between the turbine housing (2) and the bearing housing (28).Type: ApplicationFiled: December 3, 2010Publication date: June 16, 2011Applicant: BorgWarner Inc.Inventors: Oliver Schumnig, Frank Scherrer
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Patent number: 7134836Abstract: A housing unit for a turbocharger (1) comprises a rotor shaft (18) to mount a rotor on both its ends. Furthermore, there is a bearing housing part (4) for supporting the rotor shaft (18), and a turbine housing (2), an opening or recess of which facing an end portion (5) of the bearing housing (4). In this way, the end portion of the bearing housing (4) may be inserted into the opening or recess and may be fastened to the wall of the turbine housing (2) which delimit and surround the opening or recess. Within the region between the end portion of the bearing housing (4) and the turbine housing (2), at least one heat resistant sealing (17, 31) is provided which may be formed of a mineral material or of metal.Type: GrantFiled: December 3, 2003Date of Patent: November 14, 2006Assignee: BorgWarner Inc.Inventor: Frank Scherrer