Patents by Inventor Charles Schwab
Charles Schwab 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: 11965553Abstract: A bearing cage for a bearing assembly is disclosed herein. The bearing cage includes a first ring, a second ring, and a plurality of crossbars extending between the first ring and the second ring to define a plurality of rolling element pockets. A first terminal end of each of the plurality of crossbars is connected to the first ring and a second terminal end of each of the plurality of crossbars is connected to the second ring. A medial portion of each of the plurality of crossbars is defined between the first terminal end and the second terminal end, and a pair of recesses are defined on opposing circumferential sides of the medial portion.Type: GrantFiled: June 21, 2022Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Dennis Roffe, Seth Claus, Guihui Zhong, Charles Schwab, Arjun Kailassh Magalingam Adithyan
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Publication number: 20240110593Abstract: A bearing configuration for an oil pump assembly is disclosed herein. The bearing configuration includes a first radially extending hydrodynamic bearing element configured to directly face a first axial side of a gear, a second radially extending hydrodynamic bearing element configured to directly face a second axial side of the gear, and an axially extending hydrodynamic bearing element configured to directly face a radially inner side of the gear. The bearing configuration is configured to be used to support an idler gear in a transmission assembly, in one example.Type: ApplicationFiled: October 3, 2022Publication date: April 4, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Arjun Kailassh Magalingam Adithyan, James Brown, Charles Schwab
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Publication number: 20230407919Abstract: A bearing cage for a bearing assembly is disclosed herein. The bearing cage includes a first ring, a second ring, and a plurality of crossbars extending between the first ring and the second ring to define a plurality of rolling element pockets. A first terminal end of each of the plurality of crossbars is connected to the first ring and a second terminal end of each of the plurality of crossbars is connected to the second ring. A medial portion of each of the plurality of crossbars is defined between the first terminal end and the second terminal end, and a pair of recesses are defined on opposing circumferential sides of the medial portion.Type: ApplicationFiled: June 21, 2022Publication date: December 21, 2023Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Dennis Roffe, Seth Claus, Guihui Zhong, Charles Schwab, Arjun Kailassh Magalingam Adithyan
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Patent number: 11767884Abstract: A bearing assembly is disclosed herein. The bearing assembly includes an outer bearing ring including at least one first connection element. The assembly also includes a cap defining an axial portion and at least one radial portion defining a cavity configured to receive the outer bearing ring. The cap includes at least one second connection element configured to mate with the at least one first connection element. The cap is formed from an electrically insulating material to prevent EDM.Type: GrantFiled: October 14, 2021Date of Patent: September 26, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Guihui Zhong, Venkata Kottapalli, Michael Heaton, John Tate, Charles Schwab
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Publication number: 20230122158Abstract: A bearing assembly is disclosed herein. The bearing assembly includes an outer bearing ring including at least one first connection element. The assembly also includes a cap defining an axial portion and at least one radial portion defining a cavity configured to receive the outer bearing ring. The cap includes at least one second connection element configured to mate with the at least one first connection element. The cap is formed from an electrically insulating material to prevent EDM.Type: ApplicationFiled: October 14, 2021Publication date: April 20, 2023Applicant: Schaeffler Technologies AG & CO. KGInventors: Guihui Zhong, Venkata Kottapalli, Michael Heaton, John Tate, Charles Schwab
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Patent number: 11606013Abstract: An integration kit is disclosed herein that allows for mounting of a resolver trigger wheel relative to a bearing assembly, resolver, and rotor. The integration kit simplifies assembly and saves space. The integration kit includes a resolver integration sleeve that includes a first axial section including a radially inner surface defining a bearing support and radially inwardly extending flange defining an axial abutment surface. The resolver integration sleeve also includes a second axial section including at least one anti-rotation slot dimensioned to receive a portion of a trigger wheel, at least one anti-rotation tab extending axially towards the first axial section and dimensioned to be received by a rotor, at least one securing tab extending radially outward and configured to engage a trigger wheel, and a radially outwardly extending flange.Type: GrantFiled: February 19, 2020Date of Patent: March 14, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Guihui Zhong, Edward J. Wey, Marion Jack Ince, Charles Schwab, John Tate, Ryan Carlino
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Patent number: 11491860Abstract: A hybrid module includes a housing with a bulkhead wall, a K0 shaft, a rotor assembly, a rotor carrier and a first bearing. The K0 shaft is arranged for driving connection with a crankshaft. The rotor assembly has an electric motor rotor and a thrust surface for a K0 clutch. The K0 clutch is arranged to drivingly connect the rotor assembly to the K0 shaft. The rotor carrier is fixed to the rotor assembly and the first bearing is arranged to rotationally separate the bulkhead wall and the rotor carrier. In an example embodiment, the first bearing is a deep groove ball bearing. In an example embodiment, the hybrid module includes a seal installed in the bulkhead wall and contacting the K0 shaft. In an example embodiment, the hybrid module includes a bushing installed on the K0 shaft and arranged for contacting an inner bore of the crankshaft.Type: GrantFiled: May 12, 2020Date of Patent: November 8, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Ayyalraju Satyaseelan, Charles Schwab
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Publication number: 20210354545Abstract: A hybrid module includes a housing with a bulkhead wall, a K0 shaft, a rotor assembly, a rotor carrier and a first bearing. The K0 shaft is arranged for driving connection with a crankshaft. The rotor assembly has an electric motor rotor and a thrust surface for a K0 clutch. The K0 clutch is arranged to drivingly connect the rotor assembly to the K0 shaft. The rotor carrier is fixed to the rotor assembly and the first bearing is arranged to rotationally separate the bulkhead wall and the rotor carrier. In an example embodiment, the first bearing is a deep groove ball bearing. In an example embodiment, the hybrid module includes a seal installed in the bulkhead wall and contacting the K0 shaft. In an example embodiment, the hybrid module includes a bushing installed on the K0 shaft and arranged for contacting an inner bore of the crankshaft.Type: ApplicationFiled: May 12, 2020Publication date: November 18, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Ayyalraju Satyaseelan, Charles Schwab
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Publication number: 20210277938Abstract: A hydrodynamic bearing includes an annular washer having an annular face configured to form a hydrodynamic thrust bearing. The annular face defines a plurality of circumferentially spaced oil grooves having opposing first and second lips extending between inner and outer diameters of the face. The annular face further defines a plurality of circumferentially spaced thrust segments alternating with the grooves such that each of the thrust segments is disposed between an associated pair of first and second ones of the grooves. Each of the thrust segments includes a land that is raised on the face relative to the first and second lips of the associated pair, a first ramp extending from the second lip of the first groove to a first side of the land, and a second ramp extending from the first lip of the second groove to a second side of the land.Type: ApplicationFiled: March 3, 2020Publication date: September 9, 2021Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: John Tate, James Brown, Ryan Carlino, Arjun Kailassh Magalingam Adithyan, Charles Schwab
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Publication number: 20210277462Abstract: The present disclosure provides methods and compositions for enhancing the processivity of a polymerase in catalyzing template-dependent DNA synthesis in high concentrations of salt. Also disclosed are methods and compositions for enhancing the assembly of polymerase-template complex compatible with active DNA synthesis in the presence of low levels of nucleotides and at a high temperature, such as temperatures at or near the melting temperature of the polymerase.Type: ApplicationFiled: May 6, 2021Publication date: September 9, 2021Inventors: Aruna Ayer, Preethi Sarvabhowman, Charles Schwab
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Patent number: 11111958Abstract: A hydrodynamic bearing includes an annular washer having an annular face configured to form a hydrodynamic thrust bearing. The annular face defines a plurality of circumferentially spaced oil grooves having opposing first and second lips extending between inner and outer diameters of the face. The annular face further defines a plurality of circumferentially spaced thrust segments alternating with the grooves such that each of the thrust segments is disposed between an associated pair of first and second ones of the grooves. Each of the thrust segments includes a land that is raised on the face relative to the first and second lips of the associated pair, a first ramp extending from the second lip of the first groove to a first side of the land, and a second ramp extending from the first lip of the second groove to a second side of the land.Type: GrantFiled: March 3, 2020Date of Patent: September 7, 2021Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: John Tate, James Brown, Ryan Carlino, Arjun Kailassh Magalingam Adithyan, Charles Schwab
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Publication number: 20210257894Abstract: An integration kit is disclosed herein that allows for mounting of a resolver trigger wheel relative to a bearing assembly, resolver, and rotor. The integration kit simplifies assembly and saves space. The integration kit includes a resolver integration sleeve that includes a first axial section including a radially inner surface defining a bearing support and radially inwardly extending flange defining an axial abutment surface. The resolver integration sleeve also includes a second axial section including at least one anti-rotation slot dimensioned to receive a portion of a trigger wheel, at least one anti-rotation tab extending axially towards the first axial section and dimensioned to be received by a rotor, at least one securing tab extending radially outward and configured to engage a trigger wheel, and a radially outwardly extending flange.Type: ApplicationFiled: February 19, 2020Publication date: August 19, 2021Inventors: Guihui Zhong, Edward J. Wey, Marion Jack Ince, Charles Schwab, John Tate, Ryan Carlino
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Patent number: 11034999Abstract: The present disclosure provides methods and compositions for enhancing the processivity of a polymerase in catalyzing template-dependent DNA synthesis in high concentrations of salt. Also disclosed are methods and compositions for enhancing the assembly of polymerase-template complex compatible with active DNA synthesis in the presence of low levels of nucleotides and at a high temperature, such as temperatures at or near the melting temperature of the polymerase.Type: GrantFiled: July 8, 2019Date of Patent: June 15, 2021Assignee: Roche Sequencing Solutions, Inc.Inventors: Aruna Ayer, Preethi Sarvabhowman, Charles Schwab
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Patent number: 10989252Abstract: A clutch carrier assembly for a transmission is disclosed that comprises a clutch carrier and a ring gear carrier. The clutch carrier includes a plurality of tabs and the ring gear carrier includes a plurality of openings defined in, and extending through, an outer surface. The ring gear carrier is disposed within the clutch carrier. Each of the tabs is received within a corresponding one of the openings such that the ring gear carrier and the clutch carrier are held together.Type: GrantFiled: March 29, 2019Date of Patent: April 27, 2021Assignee: Schaeffler Technologies AG & Co. KGInventors: Venkata Sivaram Bitragunta, Rolf Mueller, Charles Schwab, Michael Hodge
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Patent number: 10927896Abstract: In a motor assembly, a rotor and a trigger wheel are each secured to a first race of a four-point contact ball bearing. The circumferential position of the rotor and trigger wheel are each fixed with respect to the first bearing, and therefore with respect to one another. A resolver sensor is bolted to a housing. A second race is mounted at a fixed axial position relative to the housing, thereby locating the trigger wheel with respect to the resolver sensor. In some embodiments, the first race may be an inner race and the second race an outer race. In other embodiments, the first race may be an outer race and the second race an inner race.Type: GrantFiled: July 15, 2019Date of Patent: February 23, 2021Assignee: Schaeffler Tehnologies AG & Co. KGInventors: Guihui Zhong, Zakariya Ayesh, Edward J. Wey, Marion Jack Ince, Charles Schwab, John Tate
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Publication number: 20210018040Abstract: In a motor assembly, a rotor and a trigger wheel are each secured to a first race of a four-point contact ball bearing. The circumferential position of the rotor and trigger wheel are each fixed with respect to the first bearing, and therefore with respect to one another. A resolver sensor is bolted to a housing. A second race is mounted at a fixed axial position relative to the housing, thereby locating the trigger wheel with respect to the resolver sensor. In some embodiments, the first race may be an inner race and the second race an outer race. In other embodiments, the first race may be an outer race and the second race an inner race.Type: ApplicationFiled: July 15, 2019Publication date: January 21, 2021Inventors: Guihui Zhong, Zakariya Ayesh, Edward J. Wey, Marion Jack Ince, Charles Schwab, John Tate
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Patent number: 10829747Abstract: The present disclosure provides variant Pol6 polymerase polypeptides, compositions comprising the Pol6 variant polypeptides, and methods for using the variant Pol6 polypeptides for determining the sequencing of nucleic acids, for example, by nanopore sequencing. The variant Pol6 polymerases possess decreased rates of dissociation of template from the polymerase-template complex, which result in increased processivity relative to the parental Pol6 polypeptides from which they are derived.Type: GrantFiled: September 20, 2017Date of Patent: November 10, 2020Assignees: Roche Sequencing Solutions, Inc., Roche Molecular Systems, Inc.Inventors: Aruna Ayer, Cleoma Arnold, Charles Schwab, Preethi Sarvabhowman, Eileen Thai, Ilya Lederman, Colin McGaw, Evan Amato, Barbara Eckert, Shawn Suko, Mara Boenitz-Dulat, Bigna Woersdoerfer, David Wunderlich
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Publication number: 20200309202Abstract: A clutch carrier assembly for a transmission is disclosed that comprises a clutch carrier and a ring gear carrier. The clutch carrier includes a plurality of tabs and the ring gear carrier includes a plurality of openings defined in, and extending through, an outer surface. The ring gear carrier is disposed within the clutch carrier. Each of the tabs is received within a corresponding one of the openings such that the ring gear carrier and the clutch carrier are held together.Type: ApplicationFiled: March 29, 2019Publication date: October 1, 2020Applicant: Schaeffler Technologies AG & Co. KGInventors: Venkata Sivaram Bitragunta, Rolf Mueller, Charles Schwab, Michael Hodge
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Patent number: 10634187Abstract: A method of assembling a thrust bearing arrangement is disclosed. The method includes (a) providing a thrust bearing assembly. The thrust bearing assembly includes a support washer. The support washer includes a radially outer rim defining a plurality of slots extending radially outward from the radially outer rim. The method includes (b) providing a spring plate. The spring plate includes projections at a radially outer region. The projections extend in an axial direction. The method includes (c) aligning the projections of the spring plate with the slots of support washer. The method includes (d) deforming the projections of the spring plate to retain the thrust bearing assembly with the spring plate.Type: GrantFiled: January 24, 2018Date of Patent: April 28, 2020Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Jordan Geiser, Michael Hodge, James Brown, Alicia Vidal Ortiz, Charles Schwab
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Publication number: 20190376133Abstract: The present disclosure provides methods and compositions for enhancing the processivity of a polymerase in catalyzing template-dependent DNA synthesis in high concentrations of salt. Also disclosed are methods and compositions for enhancing the assembly of polymerase-template complex compatible with active DNA synthesis in the presence of low levels of nucleotides and at a high temperature, such as temperatures at or near the melting temperature of the polymerase.Type: ApplicationFiled: July 8, 2019Publication date: December 12, 2019Applicant: Roche Sequencing Solutions, Inc.Inventors: Aruna Ayer, Preethi Sarvabhowman, Charles Schwab