Patents by Inventor Chris Luipold
Chris Luipold 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: 11649822Abstract: A split power gerotor pump includes a rotational axis, a shaft, an inner gerotor, an eccentric pocket, and an outer gerotor. The inner gerotor is rotationally fixed on the shaft, rotatable about the rotational axis, and includes n first lobes. The eccentric pocket is rotatable about the rotational axis, and includes a cylindrical bore with a center radially offset from the rotational axis and an outer surface, disposed radially outside of the cylindrical bore and arranged for direct engagement with a gear or a rotor for an electric motor. The outer gerotor includes a cylindrical outer surface installed in the cylindrical bore and n+1 second lobes.Type: GrantFiled: February 8, 2021Date of Patent: May 16, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Kyle DeHoff, Chris Luipold, Jeffrey Hemphill
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Patent number: 11608890Abstract: An electro-mechanical park lock actuator includes a shaft and a circuit board. The shaft is arranged for connecting to a transmission park pawl. The circuit board includes a first non-contact inductive position sensor integrated circuit, a first trace electrically connected to the first non-contact inductive position sensor integrated circuit for determining an angular position of the shaft, and an electrical connector for connecting the circuit board to an external master controller. In some example embodiments, the electro-mechanical park lock actuator includes an electric motor drivingly connected to the shaft, and a transmission arranged in a torque path between the electric motor and the shaft.Type: GrantFiled: April 3, 2019Date of Patent: March 21, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Angad Boralkar, Todd Sturgin, Chris Luipold
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Patent number: 11578626Abstract: A phasing mechanism for an internal combustion is provided. The phasing mechanism includes a stator, a rotor configured to rotate relative to the stator, a first plurality of rolling elements configured to engage and move the rotor in a first rotational direction, a second plurality of rolling elements configured to engage and move the rotor in a second rotational direction, and a piston configured to be hydraulically actuated in: i) a first axial direction to move the rotor in the first rotational direction, and ii) a second axial direction to move the rotor in the second rotational direction.Type: GrantFiled: June 15, 2021Date of Patent: February 14, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Todd Sturgin, Jeffrey Hemphill, Chris Luipold, Joshua Hixenbaugh
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Publication number: 20220252066Abstract: A split power gerotor pump includes a rotational axis, a shaft, an inner gerotor, an eccentric pocket, and an outer gerotor. The inner gerotor is rotationally fixed on the shaft, rotatable about the rotational axis, and includes n first lobes. The eccentric pocket is rotatable about the rotational axis, and includes a cylindrical bore with a center radially offset from the rotational axis and an outer surface, disposed radially outside of the cylindrical bore and arranged for direct engagement with a gear or a rotor for an electric motor. The outer gerotor includes a cylindrical outer surface installed in the cylindrical bore and n+1 second lobes.Type: ApplicationFiled: February 8, 2021Publication date: August 11, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Kyle DeHoff, Chris Luipold, Jeffrey Hemphill
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Patent number: 11407336Abstract: A vehicle seat rotates in response to activation of an electric motor. The electric motor is part of a non-back-drivable mechanism such that it acts to lock the seat in position. The seat mechanism is assembled from stamped components for efficient manufacturing. A bracket includes integrally formed gear teeth which mesh with gear teeth driven by the electric motor. The bracket is held between two stamped parts using four-point angular contact ball bearings. The races of the ball bearings are stamped into the respective stamped parts.Type: GrantFiled: May 23, 2019Date of Patent: August 9, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Franklin Tibbits, Christopher Shamie, Robert Mallon, Cameron Gibson, Todd Sturgin, Chris Luipold
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Patent number: 11400790Abstract: A hydraulic ride height actuator system for providing variation of a ride height at a front end of a vehicle is provided includes a strut and an actuator including a piston and a housing axially movable with respect to the piston. The housing is fastened to an upper end of the strut. The piston and the housing define a hydraulic chamber. An increase in a volume of the hydraulic chamber forces the housing upward to vary the ride height.Type: GrantFiled: January 30, 2020Date of Patent: August 2, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Alan Abraham Rajan, Chris Luipold
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Publication number: 20210396161Abstract: A phasing mechanism for an internal combustion is provided. The phasing mechanism includes a stator, a rotor configured to rotate relative to the stator, a first plurality of rolling elements configured to engage and move the rotor in a first rotational direction, a second plurality of rolling elements configured to engage and move the rotor in a second rotational direction, and a piston configured to be hydraulically actuated in: i) a first axial direction to move the rotor in the first rotational direction, and ii) a second axial direction to move the rotor in the second rotational direction.Type: ApplicationFiled: June 15, 2021Publication date: December 23, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Todd Sturgin, Jeffrey Hemphill, Chris Luipold, Joshua Hixenbaugh
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Publication number: 20210237530Abstract: A hydraulic ride height actuator system for providing variation of a ride height at a front end of a vehicle is provided includes a strut and an actuator including a piston and a housing axially movable with respect to the piston. The housing is fastened to an upper end of the strut. The piston and the housing define a hydraulic chamber. An increase in a volume of the hydraulic chamber forces the housing upward to vary the ride height.Type: ApplicationFiled: January 30, 2020Publication date: August 5, 2021Inventors: Alan Abraham Rajan, Chris Luipold
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Publication number: 20200072350Abstract: A rotary park lock mechanism includes a flange, a first spring, and a gear. The flange has a park pawl arranged to selectively engage a mating tooth in a transmission gear, and a locking bar pocket. The first spring is arranged to rotate the flange in a first rotational direction to engage the park pawl with the mating tooth. The gear is arranged receive a motor torque to rotate the flange in a second rotational direction, opposite the first direction, to disengage the park pawl from the mating tooth. In an example embodiment, the first spring is a clock spring. In an example embodiment, the gear is a cycloidal drive.Type: ApplicationFiled: July 26, 2019Publication date: March 5, 2020Applicant: Schaeffler Technologies AG & Co. KGInventors: Chris Luipold, Christopher Shamie
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Publication number: 20190366882Abstract: A vehicle seat rotates in response to activation of an electric motor. The electric motor is part of a non-back-drivable mechanism such that it acts to lock the seat in position. The seat mechanism is assembled from stamped components for efficient manufacturing. A bracket includes integrally formed gear teeth which mesh with gear teeth driven by the electric motor. The bracket is held between two stamped parts using four-point angular contact ball bearings. The races of the ball bearings are stamped into the respective stamped parts.Type: ApplicationFiled: May 23, 2019Publication date: December 5, 2019Applicant: Schaeffler Technologies AG & Co. KGInventors: Franklin Tibbits, Christopher Shamie, Robert Mallon, Cameron Gibson, Todd Sturgin, Chris Luipold
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Publication number: 20190338853Abstract: An electro-mechanical park lock actuator includes a shaft and a circuit board. The shaft is arranged for connecting to a transmission park pawl. The circuit board includes a first non-contact inductive position sensor integrated circuit, a first trace electrically connected to the first non-contact inductive position sensor integrated circuit for determining an angular position of the shaft, and an electrical connector for connecting the circuit board to an external master controller. In some example embodiments, the electro-mechanical park lock actuator includes an electric motor drivingly connected to the shaft, and a transmission arranged in a torque path between the electric motor and the shaft.Type: ApplicationFiled: April 3, 2019Publication date: November 7, 2019Applicant: Schaeffler Technologies AG & Co. KGInventors: Angad Boralkar, Todd Sturgin, Chris Luipold
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Publication number: 20180363544Abstract: An engine accessory assembly includes a common shaft and at least two axially aligned engine accessories drivingly connected to the common shaft. The at least two axially aligned engine accessories may be an alternator, a motor generator unit, a vacuum pump, a transmission oil pump, an engine oil pump or a water pump. In an example embodiment, the common shaft includes a spline and the at least two axially aligned engine accessories are drivingly engaged with the spline.Type: ApplicationFiled: September 29, 2015Publication date: December 20, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Ralph Zanzig, Jeffrey Hemphill, Kevin Parks, Chris Luipold, Philip George
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Patent number: 9951857Abstract: A torque transmitting assembly, including: a shaft including a longitudinal axis, first and second longitudinal ends, a radially outermost surface, a first portion including at least one indentation, and second and third portions between the first portion and the first and second longitudinal ends, respectively; and a sprocket assembly disposed about the shaft and including a sprocket with a circumferentially disposed and radially outwardly extending teeth and at least one key engaged with the sprocket. The sprocket assembly is displaceable along the shaft to displace the at least one key into the at least one indentation. The sprocket is non-rotatably connected the shaft when the at least one key is disposed in the at least one indentation. At least respective portions of the radially outermost surface are at a uniform distance from the longitudinal axis in a radial direction orthogonal to the longitudinal axis and extending from the longitudinal axis.Type: GrantFiled: June 26, 2015Date of Patent: April 24, 2018Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Todd J. Sturgin, Chris Luipold
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Publication number: 20160258494Abstract: A one-way clutch configured for decoupling an alternator pulley from an alternator hub in a motor vehicle drive system is provided. The one-way clutch includes a ramp plate for non-rotatable connection with an inner circumferential surface of the pulley and rollers in axial engagement with the ramp plate. The rollers are movable along ramped surfaces of the ramp plate between a first position and a second position. The one-way clutch also includes an elastic assembly forcing the ramp plate and rollers into the axial engagement. The elastic assembly axially forces the rollers to transfer torque from the pulley into the hub when the rollers are in the first position. The hub is rotationally decoupled from the pulley when the rollers are in the second position.Type: ApplicationFiled: March 5, 2015Publication date: September 8, 2016Inventors: Chris Luipold, Jeff Hemphill, Todd Sturgin
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Publication number: 20160040773Abstract: A torque transmitting assembly, including: a shaft including a longitudinal axis, first and second longitudinal ends, a radially outermost surface, a first portion including at least one indentation, and second and third portions between the first portion and the first and second longitudinal ends, respectively; and a sprocket assembly disposed about the shaft and including a sprocket with a circumferentially disposed and radially outwardly extending teeth and at least one key engaged with the sprocket. The sprocket assembly is displaceable along the shaft to displace the at least one key into the at least one indentation. The sprocket is non-rotatably connected the shaft when the at least one key is disposed in the at least one indentation. At least respective portions of the radially outermost surface are at a uniform distance from the longitudinal axis in a radial direction orthogonal to the longitudinal axis and extending from the longitudinal axis.Type: ApplicationFiled: June 26, 2015Publication date: February 11, 2016Inventors: Todd J. Sturgin, Chris Luipold
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Patent number: 9157492Abstract: A launch device for a vehicle transmission includes a housing, an impeller, a turbine; and first and second clutches. The first and second clutches include first and second pistons, respectively. The first and second pistons are sealingly engaged with one another. The first clutch releaseably engages the impeller with the housing and the second clutch releaseably engages the turbine with the first piston. In an example embodiment, the first clutch is disposed radially outside of the second clutch and at least a portion of the first piston is disposed axially between the housing and the second piston. In an example embodiment, the first clutch is engaged by a first pressure, and the second clutch is engaged by a second pressure greater than the first pressure.Type: GrantFiled: February 1, 2013Date of Patent: October 13, 2015Assignee: Schaeffler Technologies AG & Co. KGInventors: Jeffrey Hemphill, Todd Sturgin, Chris Luipold
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Patent number: 9145927Abstract: A clutch carrier assembly for a transmission includes a clutch carrier, an outer race, a bearing, an inner race, and a one-way clutch. The clutch carrier is arranged for driving engagement with a plurality of clutch plates. The outer race is fixedly connected to the carrier and has an inner circumferential surface. The bearing has an outer circumferential surface aligned with the inner circumferential surface. The inner race is arranged for driving engagement with a transmission shaft. The one-way clutch is disposed radially between the outer race and the inner race.Type: GrantFiled: May 23, 2014Date of Patent: September 29, 2015Assignee: Schaeffler Technologies AG & Co. KGInventors: Chris Luipold, Marion Jack Ince
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Patent number: 9121456Abstract: A one-way clutch carrier assembly for a transmission includes an outer ring and a carrier. The outer ring has an outer surface with radially extending teeth. The carrier circumscribes the outer ring. The carrier has an undulating outer surface with teeth for receiving a plurality of clutch plates, an undulating inner surface with teeth for receiving the outer ring teeth, and an inwardly extending tab for limiting axial displacement of the outer ring in the carrier. In an example embodiment, the outer ring includes a first circumferential surface with a first radius and a second circumferential surface with a second radius, larger than the first radius. The carrier inwardly extending tab has a third radius that is smaller than the second radius.Type: GrantFiled: February 27, 2014Date of Patent: September 1, 2015Assignee: Schaeffler Technologies AG & Co. KGInventors: Chris Luipold, Matthew Frary, Jeffrey Hemphill
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Patent number: 9097290Abstract: A friction plate for a clutch is provided. The friction plate includes a first core plate including at least one first radial extension, a second core plate including at least one second radial extension and friction material held axially between the at least one first radial extension and the at least one second radial extension. The at least one first radial extension and the at least one second radial extension are imbedded axially into opposite sides of the friction material and joined together. A method of forming a friction plate for a clutch is also provided.Type: GrantFiled: April 28, 2014Date of Patent: August 4, 2015Assignee: Schaeffler Technologies AG & Co. KGInventors: Chris Luipold, Scott Strong
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Patent number: 9080616Abstract: A subassembly for a transmission including a seal having a protrusion, a piston including a tab, and a lip about said piston, wherein an axial gap is formed between said tab and said lip, said piston also including a hole corresponding to said protrusion and operatively arranged to receive said protrusion for securing seal to said piston, a spring element disposed in said axial gap between said tab and said lip, wherein said spring element includes a finger corresponding to said tab, wherein said finger is aligned with said tab for axially locking said spring element between said tab and said lip, and wherein said tab includes a recess operatively arranged for receiving said finger for rotationally locking said spring element to said piston.Type: GrantFiled: September 6, 2011Date of Patent: July 14, 2015Assignee: Schaeffler Technologies AG & Co. KGInventors: Chris Luipold, Michael Van Sickle