Patents Assigned to Schaeffler Technology AG & Co. KG
  • Patent number: 10316706
    Abstract: A camshaft adjuster for an internal combustion engine, having a stator, a rotor mounted rotatably in the interior of the stator, and a locking cover connected to the stator. A hydraulically actuatable locking element is received in the rotor and engages into the locking cover in at least one blocking position, so as to block a rotation of the rotor relative to the stator, and is arranged in at least one unlocking position so that the rotor can be rotated relative to the stator.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: June 11, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Jochen Thielen, Olaf Boese, Torsten Zschieschang
  • Patent number: 10316899
    Abstract: A wedge clutch imparts a wedging effect to selectively transfer power through powertrain components. The wedge clutch includes a plurality of wedge segments arranged annularly about an axis and configured to collectively constrict and expand with respect to the axis to correspondingly lock and unlock the clutch. Each wedge segment includes an aperture. A cage assembly is configured to control relative movement of the plurality of wedge segments with respect to each other. The cage assembly including a plurality of pins, each extending through one of the apertures to control the relative movement of the wedge segments.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: June 11, 2019
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Marion Jack Ince, Guihui Zhong
  • Patent number: 10316707
    Abstract: An output element (1) of a camshaft adjuster (8) is described, in which the output element (1) has a contact surface (2) for rotatably fixed connection to a camshaft; the contact surface (2) has at least one outlet port (3) of an oil channel (4) of the output element (1), which may be situated opposite an outlet port of an oil channel of the camshaft in order to conduct hydraulic medium from the camshaft into the output element (1); the contact surface (2) has a structuring (6) in order to increase the torque transmission between the output element (1) and the camshaft; this structuring (6) is structure-free in the area (5) around the outlet port (3) and this area (5) is designed for sealing the outlet port (3) with respect to the surrounding environment.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: June 11, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Juergen Weber
  • Patent number: 10316947
    Abstract: A torque converter (10) including a lock-up clutch, the lock-up clutch (20) having an axially displaceable and/or axially elastic actuating element (26) for actuating the lock-up clutch, the actuating element being designed as a component different from the turbine and being mounted on the turbine.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: June 11, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Stephan Maienschein
  • Publication number: 20190170027
    Abstract: A camshaft phaser arrangement configured for a concentric camshaft assembly having an inner camshaft and an outer camshaft is provided. The camshaft phaser arrangement can facilitate independent phasing of intake and exhaust valves. The camshaft phaser arrangement includes a first driven wheel and a second driven wheel, both configured to be driven by a driving wheel. A first camshaft phaser is connected to the first driven wheel and configured to be connected to either the inner or outer camshaft. A second camshaft phaser is connected to the second driven wheel and configured to be connected to either the inner or outer camshaft which is not connected to the first driven wheel. A motion transfer assembly can connect the second camshaft phaser to the concentric camshaft assembly. One or both of the camshaft phasers can be an electric camshaft phaser or a hydraulic camshaft phaser.
    Type: Application
    Filed: March 21, 2018
    Publication date: June 6, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Kevin Poole, Jeffrey Mossberg, Andrew Mlinaric, Steven Burke, Donald Haefner
  • Publication number: 20190170233
    Abstract: A planetary differential device includes first and second sun gears coaxially arranged in relation to each other and defining a main axis. First and second planetary gears mesh with the first and second sun gears and mesh with each other in pairs. A planet carrier has two side disks, and the planetary gears are rotatably arranged in the planet carrier. A coupling gear is arranged coaxially to the main axis and is rigidly connected to the planet carrier. The side disks are respectively connected to the coupling gear in a material fit and form a receiving housing with a housing inner space, at least one of the side disks includes an assembly opening through which the planetary gears and the sun gears can be inserted into the inner space of the housing.
    Type: Application
    Filed: June 29, 2017
    Publication date: June 6, 2019
    Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Franz KURTH, Ralph SCHIMPF
  • Publication number: 20190168746
    Abstract: A vehicle comprising a steering axle, a steering device configured to steer the steering axle, wherein a steering wheel angle can be input via the steering device, wherein the steering wheel angle leadings to a steering angle of wheels of the steering axle, and a quotient of the steering wheel angle to the steering angle defines a steering ratio, a first drive, wherein the first drive allows a wheel-selective distribution of a first torque to the wheels of the steering axle, a second drive, wherein the second drive allows a wheel-selective distribution of a second torque to the wheels of a drive axle, and a controller configured to receive input variables defining driving dynamic variables of the vehicle, wherein the drive dynamic variables allow a change in the steering ratio to ascertained, and the controller outputs control information for distributing the drive torque.
    Type: Application
    Filed: May 23, 2017
    Publication date: June 6, 2019
    Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Juergen ROEMER, Marcel Philipp MAYER
  • Publication number: 20190170230
    Abstract: Methods for producing a spindle nut, and spindle nuts produced by such methods are disclosed. The method for producing a spindle nut may include producing a blank which has a sleeve portion and a cylindrical outer surface by non-cutting shaping from sheet metal; and forming a thread provided for cooperation with a threaded spindle in the blank by non-cutting shaping, while maintaining the cylindrical outer surface of the sleeve portion.
    Type: Application
    Filed: April 28, 2017
    Publication date: June 6, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Philippe Ott
  • Publication number: 20190173345
    Abstract: A generator stator used in applications where rotational speed of a rotary body varies over a wide range and a generator having a stator. The generator stator having at least two coil sets formed by winding wires, the at least two coil sets are independent of each other to form power outputs independent of each other.
    Type: Application
    Filed: April 14, 2017
    Publication date: June 6, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Ganjun Zhu
  • Publication number: 20190170224
    Abstract: A hydraulic tensioning device for a chain drive, having a tensioning piston which is guided in a holder and which, on its outer circumferential surface, has locking grooves, an inner guide which projects into a cavity of the piston, and a locking element which has at least two annular sections and at least two radial extensions, wherein the locking element can be placed in engagement by the at least two annular sections with one of the locking grooves, and having a clamping stop and a sliding stop which are axially spaced apart from one another. To simplify the structural design, the holder has at least two axial extensions which extend in an axial direction between the clamping stop plane and the sliding stop plane, wherein the at least two axial extensions and the tensioning piston do not enclose the at least two radial extensions.
    Type: Application
    Filed: May 3, 2017
    Publication date: June 6, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Rainer Fuhrmann
  • Publication number: 20190170165
    Abstract: A camshaft phaser assembly, including: an axis of rotation; a hydraulic camshaft phaser including a stator arranged to receive rotational torque and including a plurality of radially inwardly extending protrusions, a rotor arranged to be non-rotatably connected to a first camshaft and including a plurality of radially outwardly extending protrusions circumferentially interleaved with the plurality of radially inwardly extending protrusions, and a plurality of chambers bounded at least in part by the plurality of radially inwardly extending protrusions and the plurality of radially outwardly extending protrusions; an electric camshaft phaser including an output gear arranged to be non-rotatably connected to a second camshaft located concentrically within the first camshaft and an input non-rotatably connected to the stator; and a connection plate non-rotatably connecting the input and the stator. The rotor and the output gear are rotatable with respect to each other about the axis of rotation.
    Type: Application
    Filed: November 27, 2018
    Publication date: June 6, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Inhwa Chung, Jeffrey Mossberg
  • Publication number: 20190170028
    Abstract: A camshaft phaser assembly, including: an axis of rotation; a first hydraulic camshaft phaser including a stator arranged to receive rotational torque and including a plurality of radially inwardly extending protrusions, a rotor including a plurality of radially outwardly extending protrusions circumferentially interleaved with the plurality of radially inwardly extending protrusions, and a plurality of phaser chambers, each phaser chamber circumferentially bounded by a respective radially inwardly extending protrusion included in the plurality of radially inwardly extending protrusions and a respective radially outwardly extending protrusion included in the plurality of radially outwardly extending protrusions; a second hydraulic camshaft phaser; a cap; and a fluid chamber bounded in part by the cap and in fluid communication with a phaser chamber included in the plurality of phaser chambers; and a bolt arranged to non-rotatably connect the rotor and the cap to a camshaft.
    Type: Application
    Filed: November 27, 2018
    Publication date: June 6, 2019
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Michael Kandolf
  • Patent number: 10309486
    Abstract: A centrifugal pendulum absorber is provided. The centrifugal pendulum absorber includes a flange; a first mass slidably attached on a first axial side of the flange; a second mass slidably attached on a second axial side of the flange; and a roller received in slots formed in the flange, the first mass and the second mass. The roller is geared to the flange and at least one of the first and second masses. A method of forming a centrifugal pendulum absorber is also provided. The method includes gearing a roller to a flange of the centrifugal pendulum and to a mass slidably attached to an axial side of the flange. The roller is received in slots formed in the flange and the mass.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: June 4, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Peter Rentfrow
  • Patent number: 10309270
    Abstract: A hydraulic, vane-type camshaft adjuster (1) having a rotor (2) and a stator (3) mounted such as to be rotatable relative to each other and to form vanes, wherein, for the radial positioning of the rotor (2) relative to the stator (3), a return spring (5) is or can be secured at one end to the rotor (2) and at the other end to the stator (3), and a spring contact component (15), especially in the shape of a ring, for centering the return spring (5) and/or limiting the radial position thereof, is fixed to the rotor (2) in at least two points.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: June 4, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Olaf Boese
  • Patent number: 10309498
    Abstract: A belt tensioner (1) for a generator belt drive of an internal combustion engine is provided. The belt tensioner includes a tensioning arm (5) with a tensioning roller (7) mounted thereon, and a tensioning spring which acts on the tensioning arm and is intended for pretensioning the belt (11) is designed for mounting onto the generator (2) and, in the mounted state of the belt drive, engages annularly around the belt pulley (6) of the generator and encompasses the belt in a plane which is spaced apart from the plane of the belt and runs on the far side of the belt plane with respect to the generator. The belt tensioner has an open ring-shaped construction, and therefore, in the mounted state of the belt tensioner on the generator, the belt can be mounted axially through the ring opening (9, 10) in the belt tensioner onto the belt pulley of the generator.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: June 4, 2019
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Bernd Hartmann, Zoran Maricic, Alexander Weidner, Steffen Gundel
  • Patent number: 10309465
    Abstract: A sealing assembly for a cup bearing of a universal joint includes a seal sub-assembly configured to be positioned in a space between a cup of the cup bearing and a trunnion of the universal joint. The seal sub-assembly includes an elastic sealing member configured to contact an outer surface of the trunnion, and a seal insert attached to the elastic sealing member and configured to contact an inner surface of the cup. The seal insert includes an extension portion configured to contact and extend away from a rim surface of the cup. The sealing assembly further includes an external shield including an inner portion and an outer portion. The inner portion is configured to contact the outer surface of the trunnion, and the outer portion is attached to the extension portion of the seal insert.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: June 4, 2019
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: John Tate, Seth Claus, Tyler Boger
  • Patent number: 10309459
    Abstract: An angular ball bearing for a turbocharger, including an outer ring and a cage, along the circumference of which rolling element pockets are arranged and at the end face of which a cage guide surface runs, the cage guide surface together with a surface on the inner circumference of the outer ring forming a sliding surface pair. The sliding surface pair forms a transition region at the sliding surface pair end facing the rolling element pockets such that—when the cage and the outer ring are positioned in an axially parallel manner, the spacing between the surfaces which form the sliding surface pair increases in a monotonous manner, said increase growing continuously. The progression of the spacing achieves a reduction of the wear susceptibility.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: June 4, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Heiko Schmidt
  • Patent number: 10309271
    Abstract: A central valve for a camshaft adjuster, and to an internal combustion engine, which includes a camshaft, a camshaft-adjusting device, and a central valve. The central valve includes a shaped part as a valve housing (3), including a control piston (4) guided coaxially within the valve housing (3) in such a way that the control piston can move axially and including a stop, which limits the mobility of the control piston in an axial direction (piston stop). The piston stop is a piston stop washer (5), wherein the piston stop washer and the valve housing (3) are joined.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: June 4, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Jens Hoppe, Markus Kinscher
  • Patent number: 10309509
    Abstract: A drive assembly for a torque converter is provided. The drive assembly includes a turbine; a damper assembly fixed to a first side of the turbine by connectors; and a hydrodynamic bearing fixed to a second side of the turbine opposite the first side. The hydrodynamic bearing includes at least one recess formed therein receiving ends of the connectors. A method of forming a drive assembly is also provided. The method includes fixing a damper assembly cover plate to a first side of a turbine via connectors; and fixing a hydrodynamic bearing to a second side of the turbine opposite the first side. The hydrodynamic bearing including at least one recess formed therein receiving an ends the connectors. A torque converter is also provided.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: June 4, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Shane Hague, David Burky, Jr.
  • Patent number: 10308261
    Abstract: A roller bearing unit for rail vehicles, having an inner bearing ring, an outer bearing ring, rolling elements arranged between the bearing rings, and at least one retainer element. The inner bearing ring and the retainer element are configured to be arranged on an axle. The retainer element is arranged radially between an axial end of the inner bearing ring and the axle, and radially between a contact part lying against the end face of the inner bearing ring, and the axle. The retainer element has at least one sealing element sealing the inner bearing ring.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: June 4, 2019
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventor: Christoph Marquardt