Class / Patent application number | Description | Number of patent applications / Date published |
192840600 | Rotary electric motor is clutch actuator | 19 |
20080296117 | Electrically Actuated Clutch Torque Signature - An electrically actuated torque transfer device for use in a motor vehicle including an input shaft coupled to one or more output shafts. A modulating clutch assembly selectively couples the input shaft to the output shaft and includes an electrical clutch operator. The clutch assembly transfers torque from the input shaft to the at least one output shaft in proportion to an electrical current applied to the electrical clutch operator. A machine readable calibration tag is attached to the torque transfer device to store a unique torque profile for each torque transfer device. The torque profile includes a range of measured torque values transferred from the input shaft to the output shaft for each of a range of applied electrical currents. | 12-04-2008 |
20090211869 | Power Transmission Device With Friction Clutch And Power-Operated Clutch Actuator - A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes a power-operated face gear clutch actuator for generating and applying a clutch engagement force on the clutch assembly. | 08-27-2009 |
20100012454 | CLUTCH MECHANISM APPLICABLE TO ELECTROMECHANICAL CYLINDERS FOR LOCKS - It comprises a carriage ( | 01-21-2010 |
20100044181 | Torque Coupling With Disconnectable Fluid Pump - A pump system that pressurizes a fluid includes a shaft, a first rotor and a second rotor that is selectively driven by the shaft. Relative rotation between the first rotor and the second rotor generates variable sized pockets therebetween to pressurize the fluid. A clutch regulates a degree of coupling of the rotor to the shaft between a decoupled state and a coupled state to regulate the relative rotation between the first and second rotors. | 02-25-2010 |
20110266112 | DEVICE AND METHOD FOR OPERATING A DRIVE HAVING AN ELECTRICALLY DRIVABLE AXLE - A drive device for a vehicle includes an electric machine and an axle which is drivable by the electric machine. A disengageable mechanical coupling is provided between the drivable axle and the electric machine. This coupling is designed as a jaw coupling. | 11-03-2011 |
20110284339 | Electronically Activated Clutch - The present invention employs an electronic control device which controls the extent of engagement of a friction clutch on a motor vehicle. The control device includes a variable controller which enables the operator of the motor vehicle to pre-select the extent or degree of engagement of the friction clutch. A switch, preferably located on the handle bars of the motor vehicle, enables the operator to activate the present invention and bypass the clutch lever which would normally be used to operate the friction clutch. A gauge indicates the degree of engagement of the friction clutch and a second switch enables the operator to disconnect the electronic control from operation of the clutch. | 11-24-2011 |
20120145509 | ELECTROMECHANICAL ACTUATING ASSEMBLY - An electromechanical actuating assembly for at least an actuator element of a vehicle transmission with at least a drive device which is coupled with to an actuator device to activate an actuator element. The actuator device comprises of a toggle lever mechanism which is actuated by a ramped contour. | 06-14-2012 |
20120181137 | ELECTRIC LINEAR MOTION ACTUATOR AND ELECTRIC DISC BRAKE ASSEMBLY - In an electric linear motion actuator, it is proposed to uniformly distribute external thrust loads to respective planetary rollers while the planetary rollers are revolving around a rotary shaft while rotating about their respective axes with a helical rib of an outer ring member in engagement with circumferential grooves of the respective planetary rollers. The planetary rollers ( | 07-19-2012 |
20120199436 | CLUTCH DEVICE - A clutch device, which has at least one clutch, which can assume an open operating state and a closed operating state, in which a torque can be transmitted by the clutch, an actuator device for activating the clutch, and a sensor device, which has a motion sensor. In order to simplify the actuation strategy of the clutch device, the sensor device has an additional sensor, which detects whether the actuator device is in or near an actuator end position in which the clutch is in the open operating state thereof. | 08-09-2012 |
20120211323 | METHOD FOR THE SLIP REGULATION OF A FRICTION CLUTCH AND CLUTCH ACTUATOR THEREFOR - A method for slip regulation of a friction clutch by a clutch actuator operated by an electronically commutated electric motor, Here, rotational motion of a rotor is converted into an axial advancement that sets a predetermined slip. The rotational motion is controlled by Hall sensors arranged over a circumference around a rotational axis of the rotor. Magnetizable magnet segments, which are offset from each other in the circumferential direction, communicate depending on continuously detected signals of the Hall sensors, To perform the slip regulation even for axial travels of the clutch actuator that correspond to an angular position of the rotor between two Hall sensors, the signals of the Hall sensors over the circumference are evaluated in an analog manner, and an angular position of the rotor between two sensors is determined by comparing two signals adjacent to each other in the circumferential direction with each other. | 08-23-2012 |
20120241281 | HYDROSTATIC CLUTCH ACTUATOR - The invention relates to a hydrostatic actuator, having a master cylinder including a housing and a piston, which is axially mountable in the housing and which pressurizes a pressure chamber filled with pressure medium, a planetary rolling-contact gear system that converts a rotary drive into an axial motion and that has a sleeve, a gear-driven spindle, and planetary rolling elements that roll therebetween, and an electric motor that drives the planetary rolling-contact gear system and that has a stator rigidly connected to a housing and a rotor that can be rotated relative to the stator. In order to optimize the installation space, the pressure chamber is annular and the planetary rolling-contact gear system is arranged radially within the pressure chamber. | 09-27-2012 |
20120298466 | CLUTCH CONTROL DEVICE - A stroke start position is detected by a change amount of a clutch hydraulic pressure that has become smaller than a negative predetermined value ΔP | 11-29-2012 |
20140346002 | ACTUATOR ARRANGEMENT FOR A MOTOR VEHICLE TRAIN - An actuator arrangement for a motor vehicle drive train which has at least one friction clutch for transmitting drive torque, in particular in the form of a starting clutch, as well as a gearbox having at least two gears, which can be engaged and disengaged by means of a shift clutch arrangement. The actuator arrangement comprises a hydraulic circuit that has a pump driven by means of an electric motor; a clutch hydraulic cylinder by means of which the friction clutch can be actuated; and a shift actuator device for actuating the shift clutch arrangement. The shift actuator device has a shift drum which is or can be coupled to the electric motor via a shift drum coupling device in a manner such that the shift drum can be set in rotation by means of the electric motor in order to actuate the shift clutch arrangement. | 11-27-2014 |
20140353109 | CLUTCH ACTUATOR - An actuator for driving a release mechanism of a clutch includes a motor, an output member, a ball screw mechanism, a trapezoidal screw mechanism and a power transmission mechanism. The output member is coupled to the release mechanism, and is movable in an actuation direction of the release mechanism. The ball screw mechanism is configured to convert rotation of the motor in one direction into movement of the output member in a first axial direction. The trapezoidal screw mechanism has a self-lock function against a reverse driving force from the release mechanism, and is configured to convert rotation of the motor in the other direction into movement of the output member in a second axial direction. The power transmission mechanism is configured to selectively transmit rotation of the motor to the ball screw mechanism or the trapezoidal screw mechanism. | 12-04-2014 |
20150075941 | TRANSMISSION WITH DURABILITY ENHANCEMENT TECHNIQUES - The present disclosure relates to durability enhancement techniques for a dry-clutch vehicle transmission. A cooling system that provides a direct convective cooling path to friction surfaces is disclosed. Also disclosed is a continuously variable clutch wear compensation assembly configured to adjust the position of clutch assembly components on-demand or as needed. | 03-19-2015 |
20150107957 | SELECTIVE ELECTRICAL CONTROL OF ELECTROMECHANICAL CLUTCH ASSEMBLY - A clutch assembly of a vehicle includes a shaft configured to rotate around a rotation axis inside the shaft, a connection arm connected to the shaft, to a pilot-controlled mechanism, and to a mechanical servo that controls a movement of the vehicle, and at least two electromechanical actuators. The electromechanical actuators are configured to be selectively engaged with the shaft via an electromechanical clutch, such that the electromechanical actuators are disconnected from controlling a movement of the shaft and the connection arm when the electromechanical clutch is disengaged, and the electromechanical actuators are configured to control movement of the shaft and the connection arm when the electromechanical clutch is engaged. | 04-23-2015 |
20160377126 | ELECTROMECHANICAL APPARATUS FOR USE WITH A CONTROLLABLE COUPLING ASSEMBLY AND COUPLING AND ELECTROMECHANICAL CONTROL ASSEMBLY - An electromechanical apparatus for use with a controllable coupling assembly and a coupling and electromechanical control assembly are provided. The apparatus includes a locking member pivotable between an uncoupling position and a coupling position characterized by abutting engagement with a load-bearing shoulder of the coupling assembly. Also included is a bi-directional, electrically-powered, actuator and transmission assembly including a rotary output shaft and a set of interconnected transmission elements including an input transmission element coupled to the output shaft to rotate therewith. An output transmission element translates upon rotation of the output shaft to actuate the locking member and cause the locking member to pivot between the coupling and uncoupling positions which correspond to different operating modes of the coupling assembly. | 12-29-2016 |
20170234373 | ACTUATOR MECHANISM FOR TRANSFER CASE | 08-17-2017 |
20170234374 | ACTUATOR MECHANISM FOR TRANSFER CASE | 08-17-2017 |