Patents by Inventor Laszlo Man

Laszlo Man 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).

  • Publication number: 20260309213
    Abstract: An actuator for providing a torque, the actuator including a linear drive and a gearbox for converting a linear movement into a rotational movement. The gearbox including a lever which rotationally drives a shaft to which the torque is to be applied. The gearbox also having a coupling element, the coupling element being connected to the linear drive via a first connection point and to the lever with a second connection point so that energy is transferred between the linear drive and the lever exclusively via the coupling element. The coupling element being rotatably mounted at both connection points.
    Type: Application
    Filed: February 28, 2024
    Publication date: October 8, 2026
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter GREB, Laszlo MAN
  • Patent number: 12422003
    Abstract: The disclosure relates to a coupling device for coupling an input component to an output component so as to transmit a torque in a switchable manner. The coupling device includes a coupling designed to separate the input component and the output component in an open position and to connect these components in a closed position so as to transmit a torque. The coupling device further includes an actuating device, which can be moved between a base position and a switch position to adjust the coupling. The actuating device has an intermediate position which is located between the base position and the switch position, and, while in the intermediate position, the actuating device is pretensioned in the direction of the switch position and/or the base position.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: September 23, 2025
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 12385564
    Abstract: The disclosure relates to a hydraulic arrangement for actuating hydraulic consumers and for cooling heat sources and/or lubricating component parts, in particular within a drivetrain of a motor vehicle, comprising a reversing pump, by means of which a hydraulic medium can be conveyed in opposite conveying directions, and the reversing pump has a first pump connection and a second pump connection, the hydraulic arrangement comprising an active valve device, the active valve device configured as a 6/2-way valve.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: August 12, 2025
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 12203547
    Abstract: A hydraulic parking lock actuation module for a parking lock with a parking lock piston, which can be hydraulically actuated in a parking lock cylinder from an initial position in an actuation direction by applying an actuation pressure, and which is mechanically coupled to an actuation rod which can be fixed via an engaging device in order to act as a locking mechanism for the parking lock piston. In order to simplify the actuation of the parking lock, for actuating the parking lock piston and the locking mechanism for the parking lock piston, the hydraulic parking lock actuation module includes only one active actuation valve with a tank connection and a working pressure connection at which different hydraulic pressure levels are applied.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: January 21, 2025
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20250003456
    Abstract: The disclosure relates to a coupling device for coupling an input component to an output component so as to transmit a torque in a switchable manner. The coupling device includes a coupling designed to separate the input component and the output component in an open position and to connect these components in a closed position so as to transmit a torque. The coupling device further includes an actuating device, which can be moved between a base position and a switch position to adjust the coupling. The actuating device has an intermediate position which is located between the base position and the switch position, and, while in the intermediate position, the actuating device is pretensioned in the direction of the switch position and/or the base position.
    Type: Application
    Filed: October 18, 2022
    Publication date: January 2, 2025
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 12055217
    Abstract: An actuator for actuating a parking lock and for carrying out at least one other vehicle function in a motor vehicle includes a hydraulic unit and an actuation cylinder, rigidly connected to the hydraulic unit. The hydraulic unit has a hydraulic pump or valves driven by an electric motor. The actuation cylinder is for mechanically actuating a parking lock mechanism of the parking lock. In some embodiments, the actuator has an actuator housing and the actuation cylinder has a cylinder housing that is part of the actuator housing. In some embodiments, the actuation cylinder has a piston and an actuating element, movable via the piston, for actuating the parking lock mechanism.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: August 6, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 11982351
    Abstract: A parking lock actuation system for a motor vehicle includes an actuation element that is coupled or can be coupled to a parking lock and can be moved between a locking position, in which the parking lock is active, and an unlocking position, in which the parking lock is inactive. The system includes a locking element which is designed to fix the actuation element in the unlocking position in a form-fitting manner. The actuation element and the locking element (4) are each operatively connected to a respective hydraulic actuation cylinder, and the two hydraulic actuation cylinders are connected to a common hydraulic fluid supply line by a pressure chamber and are coupled to a pump via a first valve. The actuation cylinder of the locking element additionally has an unlocking pressure chamber which counteracts the actuation cylinder pressure chamber and which can be coupled to the pump via a second valve.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: May 14, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20240125383
    Abstract: The disclosure relates to a hydraulic arrangement for actuating hydraulic consumers and for cooling heat sources and/or lubricating component parts, in particular within a drivetrain of a motor vehicle, comprising a reversing pump, by means of which a hydraulic medium can be conveyed in opposite conveying directions, and the reversing pump has a first pump connection and a second pump connection, the hydraulic arrangement comprising an active valve device, the active valve device configured as a 6/2-way valve.
    Type: Application
    Filed: December 3, 2021
    Publication date: April 18, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 11953094
    Abstract: A method for resetting a parking lock operating system for a motor vehicle includes providing the parking lock operating system and switching the parking lock operating system. The parking lock operating system includes a hydraulic fluid supply line with a hydraulic fluid, a base position in which a parking lock is active, and a transport position in which the parking lock is active. The parking lock operating system is switched from the base position to the base position or from the transport position to the base position by, in the following order: increasing a pressure of the hydraulic fluid above a second pressure threshold, lowering the pressure below a first pressure threshold, less than the second pressure threshold, increasing the pressure above the second pressure threshold, and lowering the pressure of the hydraulic fluid below the first pressure threshold.
    Type: Grant
    Filed: July 5, 2021
    Date of Patent: April 9, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 11780317
    Abstract: A drive unit (100) is provided with a first electric machine (110), a second electric machine (120), a first shaft (130) and an output shaft (140). A rotor (111) of the first electric machine (110) is rotationally fixed to the first shaft (130), and a rotor (121) of the second electric machine (120) is rotationally fixed to the output shaft (140). The drive unit (100) also includes a separating clutch (150) and a connection element (230) for the rotationally fixed connecting of an internal combustion engine, and a first gear ratio step (142) is arranged between the connection element (230) and the shafts (130, 140) with a gear ration i<1. The drive unit (100) has an electro-mechanical parking lock unit (1) with which a rotational movement of the output of the first gear ratio step (142) can be blocked.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: October 10, 2023
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Andreas Trinkenschuh, Steffen Lehmann, Peter Greb, Laszlo Man
  • Publication number: 20230296172
    Abstract: A method for resetting a parking lock operating system for a motor vehicle includes providing the parking lock operating system and switching the parking lock operating system. The parking lock operating system includes a hydraulic fluid supply line with a hydraulic fluid, a base position in which a parking lock is active, and a transport position in which the parking lock is active. The parking lock operating system is switched from the base position to the base position or from the transport position to the base position by, in the following order: increasing a pressure of the hydraulic fluid above a second pressure threshold, lowering the pressure below a first pressure threshold, less than the second pressure threshold, increasing the pressure above the second pressure threshold, and lowering the pressure of the hydraulic fluid below the first pressure threshold.
    Type: Application
    Filed: July 5, 2021
    Publication date: September 21, 2023
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20230243422
    Abstract: A parking lock actuation system for a motor vehicle includes an actuation element that is coupled or can be coupled to a parking lock and can be moved between a locking position, in which the parking lock is active, and an unlocking position, in which the parking lock is inactive. The system includes a locking element which is designed to fix the actuation element in the unlocking position in a form-fitting manner. The actuation element and the locking element (4) are each operatively connected to a respective hydraulic actuation cylinder, and the two hydraulic actuation cylinders are connected to a common hydraulic fluid supply line by a pressure chamber and are coupled to a pump via a first valve. The actuation cylinder of the locking element additionally has an unlocking pressure chamber which counteracts the actuation cylinder pressure chamber and which can be coupled to the pump via a second valve.
    Type: Application
    Filed: June 2, 2021
    Publication date: August 3, 2023
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20230193995
    Abstract: A hydraulic parking lock actuation module for a parking lock with a parking lock piston, which can be hydraulically actuated in a parking lock cylinder from an initial position in an actuation direction by applying an actuation pressure, and which is mechanically coupled to an actuation rod which can be fixed via an engaging device in order to act as a locking mechanism for the parking lock piston. In order to simplify the actuation of the parking lock, for actuating the parking lock piston and the locking mechanism for the parking lock piston, the hydraulic parking lock actuation module includes only one active actuation valve with a tank connection and a working pressure connection at which different hydraulic pressure levels are applied.
    Type: Application
    Filed: April 9, 2021
    Publication date: June 22, 2023
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter GREB, Laszlo MAN
  • Publication number: 20230122123
    Abstract: A drive unit (100) is provided with a first electric machine (110), a second electric machine (120), a first shaft (130) and an output shaft (140). A rotor (111) of the first electric machine (110) is rotationally fixed to the first shaft (130), and a rotor (121) of the second electric machine (120) is rotationally fixed to the output shaft (140). The drive unit (100) also includes a separating clutch (150) and a connection element (230) for the rotationally fixed connecting of an internal combustion engine, and a first gear ratio step (142) is arranged between the connection element (230) and the shafts (130, 140) with a gear ration i<1. The drive unit (100) has an electro-mechanical parking lock unit (1) with which a rotational movement of the output of the first gear ratio step (142) can be blocked.
    Type: Application
    Filed: June 4, 2019
    Publication date: April 20, 2023
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Andreas TRINKENSCHUH, Steffen LEHMANN, Peter GREB, Laszlo MAN
  • Patent number: 11460108
    Abstract: A parking lock actuator includes a blocking cam, an actuating device, an energy store, a blocking drive, and an intermediate element. The blocking cam is arranged for positive engagement with a tooth gap of a parking lock gear and the actuating device is for transferring an actuating force to the blocking cam. The energy store is for transferring the actuating force from the actuating device to the blocking cam, the blocking drive is for displacing the actuating device, and the intermediate element is freely displaceable relative to the blocking drive over a predetermined intermediate path for displacing the actuating device. The blocking cam is arranged to positively engage the tooth gap to block rotational movement of the parking lock gear when the actuating device is in a blocked position, and the parking lock gear is rotatable when the actuating device is in an open position.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: October 4, 2022
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 11313465
    Abstract: A parking lock device includes a parking lock gear, a parking lock pawl, a control contour, and a contour following element for bearing against the control contour. The parking lock gear includes radially extending teeth with tooth gaps lying therebetween. The parking lock pawl has a portion arranged for radially engaging into one of the tooth gaps for blocking rotational movement of the parking lock gear. The control contour has a section extending in a rotational direction of the parking lock gear in a manner which differs from a circular path. During relative rotational movement between the parking lock gear and the parking lock pawl, the contour following element rotates relative to and bears against the control contour, forcing the contour following element to move the parking lock pawl with a radially inwardly directed movement component, deeply engaging the parking lock pawl in one of the tooth gaps.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: April 26, 2022
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20210396311
    Abstract: A parking lock actuator includes a blocking cam, an actuating device, an energy store, a blocking drive, and an intermediate element. The blocking cam is arranged for positive engagement with a tooth gap of a parking lock gear and the actuating device is for transferring an actuating force to the blocking cam. The energy store is for transferring the actuating force from the actuating device to the blocking cam, the blocking drive is for displacing the actuating device, and the intermediate element is freely displaceable relative to the blocking drive over a predetermined intermediate path for displacing the actuating device. The blocking cam is arranged to positively engage the tooth gap to block rotational movement of the parking lock gear when the actuating device is in a blocked position, and the parking lock gear is rotatable when the actuating device is in an open position.
    Type: Application
    Filed: November 13, 2019
    Publication date: December 23, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20210381593
    Abstract: An actuator for actuating a parking lock and for carrying out at least one other vehicle function in a motor vehicle includes a hydraulic unit and an actuation cylinder, rigidly connected to the hydraulic unit. The hydraulic unit has a hydraulic pump or valves driven by an electric motor. The actuation cylinder is for mechanically actuating a parking lock mechanism of the parking lock. In some embodiments, the actuator has an actuator housing and the actuation cylinder has a cylinder housing that is part of the actuator housing. In some embodiments, the actuation cylinder has a piston and an actuating element, movable by means of the piston, for actuating the parking lock mechanism.
    Type: Application
    Filed: October 18, 2019
    Publication date: December 9, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Publication number: 20210010593
    Abstract: A parking lock device includes a parking lock gear, a parking lock pawl, a control contour, and a contour following element for bearing against the control contour. The parking lock gear includes radially extending teeth with tooth gaps lying therebetween. The parking lock pawl has a portion arranged for radially engaging into one of the tooth gaps for blocking rotational movement of the parking lock gear. The control contour has a section extending in a rotational direction of the parking lock gear in a manner which differs from a circular path. During relative rotational movement between the parking lock gear and the parking lock pawl, the contour following element rotates relative to and bears against the control contour, forcing the contour following element to move the parking lock pawl with a radially inwardly directed movement component, deeply engaging the parking lock pawl in one of the tooth gaps.
    Type: Application
    Filed: March 21, 2019
    Publication date: January 14, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Peter Greb, Laszlo Man
  • Patent number: 10731737
    Abstract: An angle-measuring device is provided for a rotationally-driven linear actuator, which can be implemented into a clutch actuator. A rotor element has an axis of rotation and rotates concentrically with a rotor of a rotary drive for an axially movable linear actuator element. A measurement magnet arrangement is fixed relative to the rotor element and has a polarization. The polarization is oriented in such a way that the magnetic field lines can change with a rotation of the rotor element so as to enable the angle to be precisely determined from at least one measurement position. At one location, a 360-degree sensor is provided for measuring angular positions based on the measurement magnet arrangement. At another location, a revolution-counting sensor is provided for counting a number of revolutions carried out based on the measurement magnet arrangement.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: August 4, 2020
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Markus Dietrich, Laszlo Man, Peter Greb