| ZF FRIEDRICHSHAFEN AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120135838 | METHOD FOR OPERATING A TRANSMISSION DEVICE OF A VEHICLE DRIVETRAIN - A method of operating a transmission of a vehicle drive-train that comprises frictional shifting elements and an interlocking shifting element. In the neutral operating condition of the transmission, and in the case of an operating condition variation of the vehicle drive-train in which, when it is required to establish the force flow in the transmission, the interlocking shifting element is to be changed from a disengaged to an engaged operating condition, by increasing the transmission capacities of at least two frictional shifting elements which have to be engaged for producing the force flow, a rotational speed difference in the area of the interlocking shifting element is determined, and a drive torque of a drive machine is adjusted to a level that brings the speed difference within a predefined range at which the interlocking shifting element is approximately synchronized and can therefore be engaged. | 05-31-2012 |
| 20120135835 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 05-31-2012 |
| 20120135834 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising planetary gearsets (P | 05-31-2012 |
| 20120133155 | WIND POWER PLANT AND METHOD FOR CONTROLLING THE OPERATION OF A WIND POWER PLANT - A wind power turbine with a wind rotor which operates at variable speeds, a generator that can operate at a constant speed and an electric machine that can operate at a variable speeds, which are each in driving connection with one another by way of a superimposition transmission, such that as a power control device for regulating the speed of the generator, the electric machine is connected to a power grid and operates as a generator and motor. A controllable brake, for braking the generator, is arranged in the force flow between the transmission and the generator to extend the operating range of the wind power turbine down to lower wind speeds. When operating the turbine at low wind speeds, the brake is applied, the generator is deactivated, and electric current is produced by operating the electric machine as a generator, which is fed to the power grid. | 05-31-2012 |
| 20120132017 | MOTOR VEHICLE TRANSMISSION - A motor vehicle transmission having an input shaft, which can be coupled to a drive aggregate, an output shaft, which can be coupled to an output, and several shift elements. At least two shift elements, designed as clutches, are each coupled via an outer clutch plate carrier with the input shaft in such a way that an outer clutch plate carrier of a first radially outer clutch encloses an outer clutch plate carrier of a second radially inner clutch at least sectionally and radially outside. A drive gear is coupled to the input shaft through which a power take-off can be coupled to withdraw power from the input shaft or through which an auxiliary drive aggregate can supply power to the input shaft. The drive gear is linked through the outer clutch plate carrier of the radially inner clutch to the input shaft. | 05-31-2012 |
| 20120130607 | METHOD FOR EARLY DETECTION OF DAMAGE IN A MOTOR VEHICLE TRANSMISSION - A method of early recognition of damage in a motor vehicle transmission which comprises at least one acceleration sensor, with which mechanical vibrations in the motor vehicle transmission are detected and converted into an electrical signal. The electrical signal is then digitalized and thereafter carrying our a comparison with a comparison parameter. The mechanical vibrations are detected at defined operating points of the motor vehicle transmission and, from the digitalized electrical signal acceleration amplitudes, are determined over a time interval. A count is taken of conditions in which the acceleration amplitudes exceed the comparison parameter and, with reference to the number of such conditions, a calculated probability of damage in the motor vehicle transmission is determined. A motor vehicle transmission whose damage can be determined by the method, and a computer program product for carrying out the individual process steps are also proposed. | 05-24-2012 |
| 20120129650 | METHOD FOR ACCELERATING THE DECOUPLING OF A STARTING CLUTCH, WHICH RELEASABLE CONNECTS AN ELECTRIC MACHINE TO A TRANSMISSION INPUT, IN A HYBRID DRIVE TRAIN OF A VEHICLE - A method of accelerating decoupling of the starting clutch ( | 05-24-2012 |
| 20120129649 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drive train of a motor vehicle with a drive assembly which has a combustion engine and an automatic transmission with frictional shift elements positioned between the drive assembly and an output, namely for executing a traction upshift or a traction downshift in which at least one frictional shift element of the automatic transmission is engaged and at least one frictional shift element of the automatic transmission is disengaged. During execution of a traction upshift and at least, during the engagement procedure of a frictional shift element being engaged, reducing the torque provided by the combustion engine, and for executing a traction downshift at least during the lowering of the transferability of a frictional shift element being disengaged, reducing the torque provided by the combustion engine. | 05-24-2012 |
| 20120129638 | DRIVE TRAIN AND METHOD FOR OPERATING THE DRIVE TRAIN - A drive train with a combustion engine, electric machine, and a transmission with first and second partial transmissions. The electric machine is coupled via a planetary transmission to input shafts of the first and second partial transmissions. The combustion engine can be coupled, via a separation clutch, to the input shaft of the second partial transmission and, when the separation clutch is engaged, the engine is also connected, via the planetary transmission, to the input shaft of the first partial transmission. A bridging shift element interacts with the planetary transmission such that, when the bridging shift element is engaged, the electric machine and the input shafts of the first and second partial transmissions are torsionally fixed so that they all rotate together. When the bridging shift element is disengaged, there is no torsionally fixed connection and those component rotate at different rotational speeds. | 05-24-2012 |
| 20120128521 | OIL PUMP ARRANGEMENT IN A TRANSMISSION - An arrangement of an oil pump ( | 05-24-2012 |
| 20120125731 | TRANSMISSION ARRANGEMENT FOR A VEHICLE - A transmission configuration for a vehicle with at least a wet clutch ( | 05-24-2012 |
| 20120125136 | ARRANGEMENT FOR CREATING A SHIFTING FORCE OR SELECTION FORCE IN A MANUAL TRANSMISSION - A device for producing a shifting force or a selection force in a manual-shift transmission for a motor vehicle. The device comprises a contour element ( | 05-24-2012 |
| 20120122627 | MULTI-RATIO TRANSMISSION - A multi step transmission comprising four planetary gear sets, shafts, and shift elements, the sun gear of gearset (P | 05-17-2012 |
| 20120122626 | MULTI-RATIO TRANSMISSION - A multi speed transmission comprising planetary gearsets (P | 05-17-2012 |
| 20120118694 | Method For The Operation Of An Open 3-Line Type Hydrodynamic Coupling Device - A method for operating an open 3-line type hydrodynamic coupling device, in which a fluid pressure displacing a clutch piston in an engaging direction is provided in the first space area for engaging the lockup clutch, and a fluid pressure displacing the clutch piston in the disengaging direction is provided in a second space area for disengaging the lockup clutch. A fluid supply pressure for the first space area and/or a fluid supply pressure for the second space area are/is adjusted depending on at least one operating variable in the engaged state of the lockup clutch and/or in the disengaged state of the lockup clutch and/or for engaging the lockup clutch and/or for disengaging the lockup clutch. | 05-17-2012 |
| 20120116624 | METHOD FOR CONTROLLING A HYBRID DRIVE TRAIN OF A MOTOR VEHICLE - A method of controlling a hybrid drive train of a vehicle that comprises an internal combustion engine with a drive shaft, an automatic stepped transmission with an input shaft that can be connected, via a clutch, to the engine drive shaft, an electric machine, which can be operated as a motor and a generator, a rotor connected with the engine drive shaft, and a power take-off connected with the engine drive shaft, the power-take-off drives an attached assembly. In order to compensate or at least diminish the inertia-dependent effects of the assembly permanently driven by the power take-off, during a controlled change of the rotational speed of the combustion engine, the inertia-dependent torque of the power take-off and the attached assembly, that is counteracting the rotational speed change, is largely compensated by the torque, counter to this, that is output or absorbed by the electric machine. | 05-10-2012 |
| 20120115676 | METHOD FOR CONTROLLING A HYBRID DRIVE TRAIN OF A VEHICLE - A method of controlling a hybrid drive-train of a vehicle in which the hybrid drive-train comprises a combustion engine having a driveshaft, an electric machine that can be connected to the driveshaft of the engine by a clutch, an automated transmission with an input which is connected to the rotor of the electric machine, and shifting elements for shifting between two gears. During electric driving operation with the engine stopped and the clutch disengaged, the engine can be drag-started in combination with a downshift in the transmission. Drag starting of the engine is carried out by disengaging the frictional shifting element to be disengaged to below a slipping limit, engaging the clutch until the engine reaches or exceeds its minimum starting speed, starting the engine self-starts, substantially disengaging the clutch, separately adjusting the engine and electric machine to the synchronous speed of the target gear, and fully engaging and disengaging associated shifting elements. | 05-10-2012 |
| 20120115675 | METHOD FOR CONTROLLING A DRIVE TRAIN - A method of controlling a drive-train of a motor vehicle, which comprises an internal combustion engine with a driveshaft, an electric machine in driving connection with the driveshaft of the internal combustion engine, a semi-automatic transmission with an input shaft and a plurality of gears that can be engaged selectively, and an automated friction clutch arranged between the driveshaft of the internal combustion engine and the input shaft of the transmission, such that a gearshift of the transmission occurs in combination with suitable control of the internal combustion engine while the friction clutch is at least partially and/or briefly engaged. To speed up the shifting process and to attenuate torque and speed surges during the shifting process, the electric machine is operated briefly as a generator and/or as a motor. | 05-10-2012 |
| 20120115672 | MULTI-RATIO TRANSMISSION - A transmission comprising gear sets (P | 05-10-2012 |
| 20120115671 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with nine forward gears and one reverse gear comprising four planetary gear sets, eight rotatable shafts and six shift elements. The sun gear of the first set is connected to fourth shaft which is couplable to a housing by the first brake, the carrier of the first set is connected to the third shaft, which is coupled to the housing by the second brake, which is detachably connectable to the drive shaft, via the first clutch, and via a second clutch is detachably connectable to the seventh shaft. The seventh shaft is connected to the ring gear of the second set and with the sun of the fourth set, and the drive shaft is connected to the sun of the second set and to the carrier of the third set. The sixth shaft is connected to the ring gear of the first set, the carrier of the second set and the sun gear of the third set. The ring gear of the fourth set is connected to the fifth shaft which can be coupled to the housing via the third brake. The output shaft, via a third clutch, is detachably connectable to the eighth shaft, which is connected to the ring gear of the second set and to the carrier of the fourth set. | 05-10-2012 |
| 20120114412 | BALL JOINT - A ball joint for a motor vehicle having a housing and a ball pin ( | 05-10-2012 |
| 20120114276 | BEARING ARRANGEMENT - A bearing arrangement for mounting a gear bolt ( | 05-10-2012 |
| 20120112434 | COUPLING LOCK FOR A TRAILER COUPLING - A coupling lock for a trailer coupling. The coupling lock comprises a receptacle ( | 05-10-2012 |
| 20120111134 | SHIFT-BY-WIRE ACTUATING DEVICE HAVING MECHANICAL PARKING BRAKE ACTUATION - The structure and the installation of the mechanical transmission linkage to the parking lock is simplified in that the mechanical transmission linkage allows a smooth operation and serves also as an actuating devices having more than one shift gate without requiring complex modifications. An actuating device for selecting gear steps of a shift-by-wire gearshift transmission with a base housing, a selection lever, mechanical transmission for actuating a parking lock, and with a coupling system with a coupling element between the selection lever and the transmission. The transmission is selectively actuated by the coupling element only during selection and/or deselection of the parking lock position on the selection lever. The actuating device has includes the coupling element with a first end which is linearly guided in a slot and a second end which is in certain sections pivotally guided in a slot. The two ends of the coupling element are each supported on both sides in associated slotted tracks in the base housing. The coupling element is indirectly coupled to the selection lever. | 05-10-2012 |
| 20120109476 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drive-train which comprises a drive aggregate, a transmission and a starting clutch connected between the drive aggregate and the transmission such that during rolling and coasting, in a thrust operation, the drive-train is operated in such manner that a target value for the position of the clutch is determined as a function of a transmission input speed. The target value for the position of the clutch is compared with a corresponding actual value and, on the basis of the deviation between the target and actual values, a control parameter is generated for adjusting the clutch. The target value for the position of the clutch, during rolling and coasting, is determined in such manner that for a defined value of the transmission input speed, a target value is determined for the position of the clutch when rolling which is different from that determined when coasting. | 05-03-2012 |
| 20120106096 | CONNECTOR ASSEMBLY FOR ELECTRICAL AND MECHANICAL INTERCONNECTION OF MODULES - A connector for electrical and mechanical interconnection of first and second mechanically adjacent modules with one another. The first module includes a first electrical connector and an alignment pin and the second module includes a printed circuit board floatingly and displacably mounted on the second module with at least one alignment hole aligned for alignment with the alignment pin of the first module and a second electrical connector aligned for engagement with a corresponding first electrical connector of the first module. During assembly, the alignment pin of the first module engages the alignment hole of the second module and displaces the printed circuit board to align the second electrical connector with the first electrical connector. | 05-03-2012 |
| 20120103748 | SYNCHRONIZATION DEVICE FOR A MANUAL TRANSMISSION - A synchronizer device ( | 05-03-2012 |
| 20120103116 | DRIVE ASSEMBLY COMPRISING TWO CLUTCHES AT THE INPUT END, AND METHOD FOR THE OPERATION THEREOF - A drive assembly for a motor vehicle with a transmission that can be powershifted and comprises splitter and main transmissions, input and output shafts, loose and fixed gearwheels which form transmission gears, and shifting devices for coupling the loose gearwheels to at least one of the transmission shafts. The splitter transmission has first and second gear constants, and the inputs of the first and second gear constants can be driven by the outputs of two clutches whose inputs can be driven by a motor. One of the clutches is a frictional starting and shifting clutch and the other is a claw clutch, the inputs of the first and second gear constants can be driven alternatively by the output of the starting and shifting clutch, and that by way of the output of the claw clutch the input of only one of the gear constants can be driven. | 05-03-2012 |
| 20120100764 | POD DRIVE INSTALLATION AND HULL CONFIGURATION FOR A MARINE VESSEL - A pod drive installation and hull configurations for mounting a pod drive unit to a hull which includes a horizontally disposed pod drive platform for supporting a rotational pod drive mount for mounting the pod drive unit with a vertically oriented steering axis. The pod drive platform is mounted to the hull, outward of the keel of the vessel, such that the pod drive platform intersects a plane defined by a bottom hull surface tilted from the horizontal along a contour of intersection, between an outboard boundary of the pod drive platform and an inboard boundary of the pod drive platform, and is connected to the bottom hull surface by at least one of an outboard sidewall and an inboard sidewall. | 04-26-2012 |
| 20120098296 | WATT LINKAGE SUSPENSION DEVICE HAVING INTEGRATED COMPLIANCE AND DAMPING - A suspension system for the spring or damped suspension of a massive body relative to a substructure. The suspension system comprises a spring/damper arrangement disposed between the massive body and the substructure, which comprises at least one damper element and/or at least one spring element for damping shock and/or vibration, and includes a Watt linkage arrangement with at least one Watt linkage. At least one spring element and/or at least one damper element is arranged in the area of a Watt link between the Watt link and the bearing seat associated with the Watt link. | 04-26-2012 |
| 20120097497 | PARKING INTERLOCK DEVICE FOR AN AUTOMOTIVE TRANSMISSION - A transmission parking lock device comprising a gearwheel with teeth and gaps and a pawl having a pawl tooth. The gearwheel rotates and the pawl pivots about axes that are parallel to each other. The gearwheel teeth each have a first contour and tooth flanks with respect to rotation of the gearwheel. The pawl tooth has a second contour and tooth flanks relative to the rotation of the gearwheel, and the gearwheel has an outer radius. The gearwheel and pawl are kinematically linked by a linear relationship between the pivoting and rotational angles. The first and/or second contour are at least partially circular with a radius of the outer radius of the gearwheel, and the teeth and/or the pawl tooth have, in the area of the front tooth flank of the gearwheel or parking lock pawl, a crown tip relief relative to the outer radius of the gearwheel. | 04-26-2012 |
| 20120096972 | SHIFTING DEVICE OF A MOTOR VEHICLE MANUAL TRANSMISSION - A shifting device of a transmission comprises a selector interlock which can prevent a gear shift shaft from moving into an outer shift gate. The interlock comprises a locking ring which is axially and rotationally movably supported by the shaft. The ring has a stop surface with a tooth and a locking surface and is held by a spring in a rest position. A stop surface of the shaft abuts the tooth when the shaft is moved toward the outer shift gate, before reaching the second inner shift gate. The locking surface of the ring abuts a housing locking surface when the shaft reaches the next shift gate by further displacement of the shaft. The tooth of the ring engages in a recess when the shaft ring rotates to a gear shift position in the next inner shift gate. | 04-26-2012 |
| 20120093449 | BEARING ARRANGEMENT FOR A SHIFT - A bearing arrangement for a shaft, particularly a driveshaft ( | 04-19-2012 |
| 20120091047 | OIL RESERVOIR COMPRISING AN OIL FILTER - An oil reservoir having an oil inlet fitting and at least one oil outlet fitting for connecting to a hydraulic system. The reservoir comprising a housing having a lower housing part and a reservoir cover which is connected to the lower housing part and includes an integrated oil filter. An oil filler neck, which can be closed by a cap, is configured on the housing cover. The reservoir housing is equipped with at least one guide element which is attached to at least one inside wall of the reservoir housing and forms a circular guidance track for the oil. This guidance track forces the oil flow in a circular manner, after entering the reservoir and passing through the oil filter but before exiting the oil reservoir, such that any air which may be present is separated from the oil and can exit the oil reservoir via an air outlet. | 04-19-2012 |
| 20120088628 | GEAR SET ARRANGEMENT OF A PLANETARY TRANSMISSION - A gear set arrangement for a planetary transmission comprising at least first and second simple planetary gear sets, each having sun and ring gears and a carrier supporting planetary gears. The gear sets are coaxially nested with the first gear set being radially within the sun gear of the second gear set in a common radial plane or radial planes which are only slightly axially offset. The ring gear of the inner first gear set and the sun gear of the outer second gear set, and the carriers of the two gear sets, are coupled in a fixed manner. To avoid forced movement of the gears, only one of the sun gear, the ring gear or the carrier, of each of the first and the second gear sets is radially supported substantially free of radial play on a centrally disposed transmission shaft or with respect to a centered supported component. | 04-12-2012 |
| 20120088119 | WELDED COMPONENT, IN PARTICULAR PLANET WHEEL CARRIER, METHOD FOR PRODUCING THE COMPONENT AND APPARATUS FOR CARRYING OUT THE METHOD - A welded component comprising two sheet metal components ( | 04-12-2012 |
| 20120085616 | ARRANGEMENT COMPRISING AT LEAST ONE DOG CLUTCH - An arrangement comprising at least one dog clutch which is shiftable for coupling and decoupling a shaft and a component at a transmission. An actuating piston ( | 04-12-2012 |
| 20120085614 | PRESSURE MEDIUM SUPPLY DEVICE OF A HYDRAULICALLY ACTUATED SHIFTING ELEMENT - A pressure medium supply device of a hydraulically actuated shifting element (K | 04-12-2012 |
| 20120083384 | PLANETARY GEARBOX HAVING NESTED PLANETARY GEAR STAGES - A planetary gearbox, for an automatic transmission of a motor vehicle, comprising two stages, each provided with a sun gear, a ring gear and interposed planetary gears. The ring gear of the first planetary stage also forms the sun gear of the second stage, and the planetary gears of both stages are guided by a common planet carrier, produced from a casting material, which accommodates the planetary gears of the first stage at an axial offset position to the planetary gears of the second stage. The planet carrier is designed as one-piece such that pockets are respectively disposed in the planet carrier for receiving the planetary gears of the first stage at an offset angle, in the circumferential direction, to the pockets for receiving the planetary gears of the second stage, so that it is possible to form the pockets during casting using slides. | 04-05-2012 |
| 20120083379 | LUBRICATION DEVICE FOR A PLANETARY GEAR - A lubrication device for a planetary transmission with a plurality of planetary gearsets in which a ring gear carrier, which supports a ring gear of a first planetary gearset, is connected to a planetary gear carrier which supports a plurality of planetary gears of an adjacent, second planetary gearset, and in which a lubricant supply for the planetary gears of the second planetary gearset is provided. To provide an inexpensive, simply designed and reliable lubricant supply to the planetary gears of the web carrier coupled to the ring gear of the other planetary gearset, the ring gear is sealed relative to the ring gear carrier of the first planetary gearset and relative to the planetary gear carrier of the second planetary gearset. | 04-05-2012 |
| 20120083374 | ARRANGEMENT COMPRISING AT LEAST ONE DOG CLUTCH - An arrangement which comprises at least one claw clutch that can be connected to at least one component of a transmission, such that the claw clutch is arranged substantially within a bearing support ( | 04-05-2012 |
| 20120083373 | ARRANGEMENT COMPRISING AT LEAST ONE DOG CLUTCH - An arrangement which comprises at least one claw clutch for the shiftable coupling and decoupling of a shaft ( | 04-05-2012 |
| 20120072085 | METHOD TO DEFINE A GEAR STEP FOR A SHIFTING - A method of determining the size of a gear interval from a currently engaged gear to a target gear in a transmission. The method includes the steps of, for each current gear and for each possible gear interval from the current gear, recording a limit value for an acceleration or a deceleration in the target gear corresponding to the current gear and the respective gear interval used; for the current gear, starting with the smallest gear interval, applying a loop with successive increases of the gear interval to determine, depending on the current driving situation and characteristic parameters of the vehicle, the acceleration or the acceleration theoretically obtainable in the target gear produced by using the gear interval, which is compared with the respective recorded limit value until the acceleration or the deceleration theoretically obtainable no longer contravenes the limit value. The gear interval is then selected for a gearshift. | 03-22-2012 |
| 20120072082 | METHOD FOR ACTIVATING A UNIT OF A TRANSMISSION - A method of actuating an assembly of a transmission, with which are associated a plurality of actuators with whose help the assembly can in principle be actuated, such that out of the actuators available in principle for actuation, a control unit selects at least one actuator for the actual actuation and activates the selected actuator with an output signal in such manner that a status parameter of the actuated assembly corresponds to or follows a control-side nominal value, such that out of the actuators available in principle for actuating the assembly, the control unit selects at least one actuator for the actual actuation of the assembly in such manner that, for all the actuators available in principle for actuating the assembly over the operating life of the transmission, the extent of their utilization is approximately uniform. | 03-22-2012 |
| 20120070224 | JOINT AND/OR BEARING ASSEMBLY HAVING AN ELASTIC INTERMEDIATE LAYER - A joint assembly ( | 03-22-2012 |
| 20120068005 | HELICOPTER ROTOR CONTROL SYSTEM WITH INDIVIDUAL BLADE CONTROL - A method of controlling rotor pitch in a helicopter comprising the steps of: generating at least one blade dynamics signal representing at least one dynamic force acting on at least one of a rotor blade rotating assembly and a helicopter non-rotating assembly, the rotor blade rotating assembly including a plurality of rotor blades and a pitch actuator for each rotor blade; extracting information representing the at least one dynamic force; generating a dynamic force compensation output representing a compensation for at least a portion of the at least one dynamic force; receiving flight control signals directing flight of the helicopter from flight controls of the helicopter; generating from the flight control signals and the dynamic force compensation output a compensated pitch control signal for each blade of the rotor blade rotating assembly, and providing a compensated pitch control signal to compensate for a portion of the at least one dynamic force. | 03-22-2012 |
| 20120067315 | CLUTCH OR BRAKE IN OR AT A GEARBOX - A clutch or brake with an electrically actuated switching coil and an armature that axially moves toward the switching coil and forms a connection with the switching coil and can rotate relative to the switching coil, in an adjustment system for camshafts of a combustion engine. A superposition transmission has an input driven by a crankshaft of the engine, a drive output element that drives a camshaft of the engine and a control element, by which relative rotation between the input and the output can be produced by applying a braking torque. The armature is rotationally fixed and axially slidable, and centered on or at a transmission component, and the switching coil is rotationally fixed and centered coaxially with the armature by a membrane spring on a further transmission component, relative to which the armature is braked or to which the armature is coupled. | 03-22-2012 |
| 20120067155 | SHIFT-BY-WIRE SHIFTING DEVICE HAVING MECHANICAL PARKING BRAKE ACTUATION - An actuating device for selecting gear steps of a shift-by-wire gearshift transmission with a base housing, a selection lever, a mechanical transmission means for actuating the parking lock, and with a coupling element are arranged between the selection lever and the transmission means. The transmission means is selectively actuated by the coupling element only during selection and/or deselection of the parking lock position on the selection lever. The coupling element has an end which is linearly guided in a slot and an end which is pivotally guided in certain sections in the base housing. The coupling element and the selection lever are kinematically coupled with each other by way of a swivel support. The structure and the installation of the mechanical transmission linkage required for selectively actuating the transmission means to the parking lock can be simplified. The mechanical transmission linkage provides a smoothly operating haptic without significant play and can be used without complex changes also for actuating devices having more than one shift gate. | 03-22-2012 |
| 20120065835 | METHOD FOR CALIBRATING A SLOPE SENSOR - A method for automatically determining a current offset value for the zero-point correction of a vehicle inclination sensor including the steps of while driving in a first driving direction, the current driving resistance is determined repeatedly, without regard to the sensor and stored temporarily, and a current raw signal value of the sensor is noted. Upon a change in the driving direction, the last-noted raw signal value is stored temporarily and while driving in the second driving direction. The current driving resistance is determined repeatedly, without regard to the sensor and stored temporarily. Then, if the difference between the two stored driving resistances agree with a tolerance threshold, the noted raw signal value is stored as the offset value for the zero-point correction of the inclination sensor. | 03-15-2012 |
| 20120064983 | Torsional Vibration Damper Arrangement - A torsional vibration damper arrangement such that an excessive radially outward flexing of spring units is effectively prevented while torsional vibrations occurring at low torques are nevertheless sensitively damped and the corresponding spring unit is protected against overloading at the same time. | 03-15-2012 |
| 20120058857 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drive-train of a motor vehicle which comprises a hybrid drive with a combustion engine and an electric machine, a clutch connected between the combustion engine and the electric machine, a transmission connected between the electric machine and a drive output, and either a primary retarder connected between the electric machine and the transmission or a secondary retarder connected between the transmission and the drive output. In order to warm up hydraulic oil, when the clutch between the combustion engine and the electric machine is disengaged and a transmission gear is engaged, a braking torque is produced by either the primary or secondary retarder, in the drive-train, and the electric machine is operated in a torque-controlled manner such that it delivers a torque equal to the sum of a target torque determined in accordance with the driver's wish and the braking torque produced by either the primary or secondary retarder. | 03-08-2012 |
| 20120055752 | METHOD OF RESOLVING A TOOTH-ON-TOOTH SITUATION - A method for releasing a tooth-on-tooth position of an interlocking shift element ( | 03-08-2012 |
| 20120046841 | METHOD FOR OPERATING A VEHICLE HAVING A FREEWHEEL MODE OR A ROLLING MODE - A method of operating a vehicle in a freewheel mode or a rolling mode, in which the vehicle has a drive train comprising a controllable drive engine, an automatic or automated transmission, and a controllable shifter for interrupting a flow of power in the drive train. To enable fuel-efficient and low-emission, as well as safe and comfortable driving, it is intended that the freewheel mode or the rolling mode is prognostically activated, deactivated or retained by performing a plausibility check of a currently active, automatic driving speed control function or a driving speed and a distance control function and/or other current driving operation or driving state data. The method includes coordinating and adapting relevant marginal conditions of the active driving speed control function or the driving speed and the distance control function, and of the freewheel mode or the rolling mode, according to the driving situation, and initiating control measures by a transmission control. | 02-23-2012 |
| 20120042743 | DRIVE ASSEMBLY FOR A MOTOR VEHICLE, COMPRISING A POWER TAKE-OFF CLUTCH - A drive assembly for a motor vehicle with a clutch device on the input side. The drive assembly includes a transmission having input and output shafts, loose and fixed gearwheels, shifting devices for coupling the loose gearwheels to the transmission shafts, a power take-off (PTO) gearwheel that can be driven by the input of the clutch device, and a PTO clutch for engaging the PTO gearwheel in the torque flow. The PTO clutch is arranged in the torque flow after and axially adjacent a starting and shifting clutch. The clutch device comprises the starting and shifting clutch, the PTO clutch and two actuators. The starting and shifting clutch is a friction clutch and the PTO clutch is a claw clutch. The two clutches have a clutch cover and a common actuator housing, and the coupling device of the PTO clutch is arranged radially outside the clutch cover. | 02-23-2012 |
| 20120041656 | OPERATION METHOD OF A TRANSMISSION DEVICE - A method of operating a transmission device comprising at least one input shaft and at least two output shafts. Torque that is present at the input shaft can be distributed between the two output shafts with a variable degree of distribution which can be changed according to the operating state depending on a transmission capability of at least one shift element. When a request to set a predefined degree of distribution is received, a mechanical self-locking torque of the transmission device—which influences the degree of distribution between the output shafts and is dependent upon the torque present at the input shaft—is determined, and a difference between the mechanical self-locking torque and a target overall locking torque of the transmission device that is equivalent to the required degree of distribution is determined. The transmission capability of the at least one shift element is set depending on this difference. | 02-16-2012 |
| 20120041652 | DETERMINATION METHOD FOR ACTUATION TOUCH POINT PRESSURE VALUE OF A FRICTION SHIFT ELEMENT - A method of determining an applied actuation touch point pressure value of a frictionally engaged shift element of a transmission at which transmission, via the shift element, is approximately zero, and an increase in pressure relates to an increase of the power transmission via the shift element. The method includes supplying a predefined pressure to the shift element at which power transmission is zero. Increasing the target pressure by an offset pressure to transfer the shift element into a predefined operating state which initiates time monitoring. Determining a characteristic of the actual pressure. After a testing time, a monitoring period is compared with a reference period. When the monitoring period is less than or equal to the reference period, the applied pressure is set to be equivalent with the target pressure. | 02-16-2012 |
| 20120039726 | METHOD FOR OPERATING A HYDRAULIC APPARATUS OF A TRANSMISSION DEVICE - A method for operating a hydraulic device ( | 02-16-2012 |
| 20120038093 | Elastomeric Plain Bearing Having Switchable Rigidity - The invention provides a bearing body ( | 02-16-2012 |
| 20120037472 | APPARATUS FOR ACTUATING A POSTIVE SHIFTING ELEMENT SHIFTABLE AT LEAST BETWEEN TWO SHIFTING POSITIONS - An apparatus for actuating a form-locking shift element which can at least be shifter between two shifting positions, of a transmission device having a drive device and a drive converter device for converting rotational drive motion of the drive device into translatory motion of the form-locking shift element. Two transmission shafts are interconnected, by way of the shift element, in a rotationally fixed manner in one shifting position, and are decoupled from one another in another shifting position. The drive converter device comprises a first component having at least one control curve, and a second component that is operatively connected to the first component which, in the region of the control curve, are connected to a component of the form-locking shift element, which is connected to one of the transmission shafts in a rotationally fixed manner and is axially displaceable. | 02-16-2012 |
| 20120029778 | METHOD FOR OPERATING A TRANSMISSION DEVICE WITH A PLURALITY OF FRICTION-LOCKING AND POSITIVE-LOCKING SHIFTING ELEMENTS - A method of operating a transmission device comprising friction-locking and form-locking shift elements for obtaining different gear ratios. A shift request for engaging a shift element undergoes a time delay dependent upon an operating state prior to a time of engagement of the shift element. A rotational speed differential between halves of the shift element lies within a rotational speed differential window required for the engagement procedure is assigned to the time of engagement. A gradient of the transmission input speed is ascertained at the time of the shift request, and the actual gradient is subsequently monitored and compared with the gradient that existed at the time of the shift request. If an absolute deviation greater than a threshold value is ascertained, the time delay is changed or an actuation of another shift element to be disengaged is varied such that the deviation is reduced below the threshold value. | 02-02-2012 |
| 20120029776 | GEARBOX CONTROL DEVICE - A transmission control device ( | 02-02-2012 |
| 20120028520 | SHIP DRIVE COMPRISING A DRIVE UNIT THAT CAN BE PIVOTED UNDER WATER - The invention concerns a ship drive ( | 02-02-2012 |
| 20120028515 | HYBRID DRIVE SYSTEM FOR A SHIP - A hybrid drive system for a ship, designed as a parallel hybrid drive system, and comprising an internal combustion engine ( | 02-02-2012 |
| 20120028514 | SHIP PROPULSION SYSTEM - A method for operating a ship propulsion system, in particular a sailing ship propulsion system, comprising an internal combustion engine ( | 02-02-2012 |
| 20120024095 | MANUAL TRANSMISSION - A manual transmission having an input shaft whose rotation is transmitted to an output shaft by a selected set of gearwheel pairs, which include gearwheels that are positioned on common axes at an angle to one another. The gearwheel pairs each comprise at least one cone-shaped gearwheel. Rotational direction reversal of the output shaft can be produced, upon actuation of a clutch, by an intermediate wheel which is positioned to one side of the arrangement axes and which engages a mating gear located on the driving side and one located on the driven side. At least one of the mating gears is conical and the intermediate wheel is cylindrical and arranged relative to the mating gears such that a rotational axis of the intermediate wheel is parallel to the lines of contact with the mating gears. The rotational axes of the intermediate wheel and each mating gear intersecting at a common point. | 02-02-2012 |
| 20120022752 | METHOD FOR OPERATING A VEHICLE DRIVE TRAIN - A method of operating a vehicle drive-train with an engine and a transmission during a gearshift in which an interlocking shift element is disengaged and a frictional shift element is engaged. Upon a shift command, the shifting time and a transmission input speed are monitored. If the input speed deviates from a synchronous speed equivalent to the gear ratio being disengaged, recognizing disengagement of the interlocking shifting element. If an engaged operating condition of the interlocking shifting element to be disengaged is detected, after the lapse of a time interval beginning with the shift command, a current drive torque of the drive machine is brought by motor actuation to a level that corresponds to a difference between the current transmission input torque and a torque that can be transmitted by the frictional shifting element to be engaged, operating with slip, plus a torque offset value. | 01-26-2012 |
| 20120020723 | HOUSING FOR A BALL JOINT - A housing component for a ball joint has an interior space ( | 01-26-2012 |
| 20120017712 | BOAT DRIVE COMPRISING AUXILIARY DRIVES - A pivotal boat drive having a transmission unit ( | 01-26-2012 |
| 20120016543 | METHOD FOR VERIFYING THE TOE ANGLE OF A SHIP'S RUDDERS - A method of checking a toe angle of at least one port rudder ( | 01-19-2012 |
| 20120015771 | TRANSMISSION UNIT HAVING A TRANSVERSAL DEGREE OF FREEDOM - A transmission unit for a driven vehicle wheel comprising an input shaft having a pinion and an output shaft having a ring gear which are parallel so that the input and the output shafts can move transverse relative to one another. At least one planetary gearwheel engages the pinion and the ring gear and is supported by a planetary carrier such that the carrier, the pinion and the ring gear are coaxial with one another. A second carrier is supported coaxial with the ring gear such that the planetary gearwheel is axially arranged between the first and second carriers. The transmission unit enables transverse decoupling between the input and the output, and transmission of large torques. The transmission unit decouples wheel-hub motors from the wheel suspension, in relation to deflection movement of the driven wheel, which facilitates the reduction of the unsprung masses of a wheel-hub drive. | 01-19-2012 |
| 20120011842 | HYDRAULIC TRANSMISSION CONTROL - A hydraulic transmission unit comprises at least one pressure regulation valve ( | 01-19-2012 |
| 20120003032 | TIE ROD - A structural unit, e.g., a tie rod, that has a tube which is provided with an internal thread, on at least one surface thereof, which is threaded in a first rotational direction, and into the end of which a threaded sleeve is screwed. The threaded sleeve has an internal thread which is threaded in a second direction, opposite to the first rotational direction, and has a shank screwed into the sleeve. The entire threaded sleeve is accommodated within the tube, and the threaded sleeve has a coupling contour on the opening side of the tube. A method of applying the structural unit such that, by rotating the threaded sleeve within the tube, the shank and the tube are moved in opposite directions. In the method, the coupling contour of the threaded sleeve serves to introduce the torque required for rotational motion of the threaded sleeve by way of a tool or an adapter. | 01-05-2012 |
| 20110320094 | TRANSMISSION CONTROL METHOD - A method of operating a transmission device with a plurality of gears which can operate in an automatic shifting mode, during which a gear is selected automatically depending on the current driving situation, and also in a manual shifting mode during which a gear is selected depending on a driver's command. When the driver commands a shift, a change takes place from the automatic shifting mode to the manual shifting mode. A specific threshold value of the transmission output speed or an equivalent rotational speed value is associated with each gear and, when the driver commands a downshift, a target gear is determined as a function of the current transmission output speed or the equivalent rotational speed value. The gear selected as the target gear is the gear whose specific threshold value is higher than or equal to the current transmission output speed or the equivalent rotational speed value. | 12-29-2011 |
| 20110315573 | OIL TANK - An oil container has a container housing receiving an oil filter and fittings for an oil inlet, an oil outlet, for filling the oil container, and for an opening that can be closed by a cover for temporarily removing or replacing the oil filter, as well as, an air outlet opening. The container housing is divided into at least two chambers by a partition, each chamber including an oil filter. Each chamber has an oil inlet fitting, an oil outlet fitting, and an opening that can be closed by a cover for filling with oil and/or for removing the oil filter. The partition includes an oil overflow opening located above a minimum oil filling level height relative to a rest state determined for the individual oil circuits. A leak occurring in one of the oil circuits does then not affect the operational reliability of the other oil circuit(s). | 12-29-2011 |
| 20110315462 | DRIVE-TRAIN WITH AN AUTOMATED GROUP-TRANSMISSION - A drivetrain of a motor vehicle, with a hybrid drive, comprising an internal combustion engine and an electric machine and a semi-automatic group transmission. The semi-automatic group transmission comprises at least a main transmission and a downstream group in drive connection downstream with the main transmission. An input shaft of the semi-automatic group transmission is connected, via a controllable starting clutch, to the internal combustion engine of the hybrid drive and an output shaft of the semi-automatic group transmission is connected to an axle drive. Depending on the shift position of at least one shifting element, the electric machine can be coupled to the force flow or the torque flow of the drivetrain between the main transmission and the downstream group of countershaft design and/or between the downstream group of a countershaft design and the axle drive. | 12-29-2011 |
| 20110306465 | METHOD FOR AUTOMATICALLY ENGAGING A PARKING LOCK OF AN AUTOMATIC OR AUTOMATED GEARBOX OF A MOTOR VEHICLE - A method of automatically engaging a parking lock or an automatic or automated gearbox of a motor vehicle, which can be engaged depending on a drive position selected by the driver of the motor vehicle, by way of a selector device and depending on other operating parameters. In order to achieve as little restriction of the drivability of the motor vehicle as possible, without neglecting the safety of the driver and surroundings, two different complex embodiments of an Auto_P function for automatically engaging the parking lock are proposed, if the motor vehicle is at least approximately stopped and, at the same time, an ignition circuit acting on the drive motor of the motor vehicle is electrically interrupted. | 12-15-2011 |
| 20110306460 | MULTI-STAGE TRANSMISSION - A transmission with nine forward and one reverse gear comprises planetary gearsets, shafts and shift elements. A sun gear of a first gearset (P | 12-15-2011 |
| 20110301819 | METHOD FOR OPERATING A TRANSMISSION WITH AT LEAST ONE POSITIVE-LOCKING SHIFTING ELEMENT - A method of operating a transmission ( | 12-08-2011 |
| 20110300987 | MULTI-SPEED GEARBOX - A transmission which comprises an input shaft and an output shaft, first, second, third and fourth planetary gear sets, third, fourth, fifth, sixth, seventh and eighth shafts, first, second, third, fourth and fifth gearshifting elements for achieving eight forward gears and one reverse gear. The first gearshifting element, when engaged, couples the third shaft with a housing of the transmission. The second gearshifting element, when engaged, couples the fourth shaft with the housing of the transmission. The third gearshifting element, when engaged, couples the input first shaft with the fifth shaft. The eighth shaft ( | 12-08-2011 |
| 20110296943 | Actuating Device Having Force-Feedback - The invention relates to an actuation device for a shift-by-wire-actuated gearshift transmission. It includes a shifter base and an actuating element pivotally supported in a bearing location of the shifter base. The actuation device further includes at least one actuator for blocking the actuation element. Here, the actuator, in addition to its blocking function, is configured for generating mechanical vibrations or oscillations. A tactile feedback for the user of the actuation device with low design complexity is provided for flexible, tactile signaling of switching processes or locked actuation positions of a selection lever. Existing actuation devices can potentially be upgraded for tactile feedback purely by software-side changes. | 12-08-2011 |
| 20110296937 | METHOD FOR OPERATING A GROUP TRANSMISSION - A method of operating a group transmission of a motor vehicle, the group transmission being arranged in a drive-train between a drive aggregate and an axle drive and including at least a multi-stage main transmission (HG), a splitter group (GV) connected one of upstream and downstream of the main transmission and/or a range group (GP) connected one of upstream and downstream from the main transmission. The main transmission (HG) is of countershaft design with at least one countershaft (WVG | 12-08-2011 |
| 20110294378 | DRIVE ARRANGEMENT FOR AN INBOARD-OUTBOARD DRIVE ENGINE OF A WATERCRAFT - A drive arrangement for an inboard-outboard drive engine of a watercraft, comprising a drive unit ( | 12-01-2011 |
| 20110294377 | CONTROL DEVICE AND BOAT DRIVE COMPRISING A CONTROL DEVICE - A control device, in particular for a boat drive, which comprises a control drive, a reduction gear system ( | 12-01-2011 |
| 20110293359 | BALL JOINT AND METHOD FOR THE PRODUCTION THEREOF - A ball joint with a housing formed entirely by a cold forming method. The housing having an inner chamber for receiving the joint ball of a ball pin and an opening through which the ball pin extends, and a contact area on the outer surface area of the housing forms a seal with a bellows. A forming section of the housing secures the joint ball within the inner chamber such that the joint pall can both rotate and pivot. Following completion of the housing, the material displaced during the cold forming method creates the forming section of the housing. The method for producing a ball joint comprises the steps of producing a metallic housing blank with a thickening formed by compression, forming the outer contour of the housing by compression, shaping the inner contour of the housing through dishing, and using the displaced material for creating the forming section. | 12-01-2011 |
| 20110291503 | ELECTROMECHANICAL ARRANGEMENT FOR DRIVING AND/OR BRAKING A SHAFT - An electromechanical device for driving and/or braking a shaft ( | 12-01-2011 |
| 20110291367 | SEALING ARRANGEMENT FOR A PIVOTABLE BOAT DRIVE - A sealing arrangement ( | 12-01-2011 |
| 20110291336 | AXIALLY DAMPING HYDRAULIC MOUNT - Axially damping hydraulic mount is provided, relating to elastomer mounts for engine mounts for damping the vibrations transmitted from internal combustion engine to the body and for acoustic decoupling. The hydraulic mount includes a frustoconical elastomer support spring, between mount core and upper part of outer jacket, with a working chamber and a compensating chamber for fluid damping medium. Chambers are separated from one another by a separator extending transversely to the mount axis and includes a coupling diaphragm, wherein the working chamber is enclosed by support spring and separating element. Compensating chamber is enclosed by separating element and elastomer bellows. A duct on the separating element is enclosed by a duct part. To counteract excessive increase in dynamic spring rate when frequencies of axially acting vibrations are present, the duct part is occupied by an additional mass. Then the duct part is rigidly connected to a mass element. | 12-01-2011 |
| 20110290609 | TRANSMISSION HAVING SEVERAL FRICTIONALLY ENGAGED SHIFTING ELEMENTS - A transmission ( | 12-01-2011 |
| 20110290605 | Vibration Damper - A vibration damper includes a cylinder in which a piston fastened to a piston rod executes a translational and a rotational movement relative to the cylinder. The piston is fixed to the piston rod by an axial fastener, and a device for preventing rotation by positive engagement is formed between the piston and the piston rod. | 12-01-2011 |
| 20110290071 | HYBRID DRIVE FOR A MOTOR VEHICLE - A hybrid drive for a motor vehicle which has a combustion engine, a transmission with a transmission input shaft which can be coupled with the combustion engine, and an electric machine which is positioned between the combustion engine and the transmission. The electric machine has a stator and a rotor which interacts with the transmission input shaft and is supported by a transmission housing input part. The transmission input shaft is supported, by a fixed radial bearing and a spaced radial bearing, in a bearing journal of the transmission housing input part. The rotor is connected, in a rotationally fixed manner, to an extension of the transmission input shaft which protrudes from a bearing journal. A radial shaft seal is positioned at the end of the bearing journal, facing the rotor, and the two radial bearings are cooled and lubricated by transmission oil. | 12-01-2011 |
| 20110290046 | ACTUATION DEVICE OF A ROTATING, SHIFTABLE MECHANICAL CONNECTION - An actuating device for a rotatable, shiftable mechanical connection. The connection comprises first and second connection portions ( | 12-01-2011 |
| 20110287890 | METHOD FOR OPERATION OF A TRANSMISSION - A method of operating a transmission positioned between a drive aggregate and an axle drive, a transmission input shaft is connected, via a clutch, with the drive aggregate, and a transmission output shaft is connected with the axle drive and power can be diverted from the transmission to drive a power take-off. The PTO is activated by an engine intervention, shifting the transmission to neutral and disengaging the clutch. Thereafter, the clutch is partially engaged at either a position dependent or distance dependent clutch speed while monitoring the input rotational speed and drive aggregate rotational speed. When the input rotational speed approximately equals the drive aggregate rotational speed and the idle rotation speed of the drive aggregate, the clutch is no longer being engaged at the position dependent or distance dependent clutch speed, but is fully engaged at a maximum clutch speed. | 11-24-2011 |
| 20110287889 | METHOD FOR COUPLING AN INTERNAL COMBUSTION ENGINE OF A PARALLEL-HYBRID DRIVE TRAIN - A method of coupling a combustion engine of a parallel-hybrid drive train via a clutch positioned between the engine and an electric machine with the clutch device initially disengaged, the engine rotational speed approximately at an engine idling rotational speed, and the machine rotational speed larger than the engine idling rotation speed. When a request is made for a drive torque value which is larger than a torque threshold, the engine rotational speed is brought to a rotational speed value above the machine rotational speed and the clutch is slipping engaged once the rotational speed value is reached, while the engine, when the drive train decelerates and a request is made to couple the engine, is brought into deceleration cancellation and the engine rotational speed is brought up to the machine rotational speed while engaging the clutch and dependent on a transfer ability of the clutch. | 11-24-2011 |
| 20110287888 | MULTI-AXLE HYBRID DRIVE SYSTEM FOR A VEHICLE - A multi-axle hybrid drive system for a vehicle which comprises a first unit ( | 11-24-2011 |
| 20110284335 | METHOD FOR THE OPERATION OF A TRANSMISSION DEVICE OF A VEHICLE DRIVE TRAIN - A method of operating a transmission of a vehicle drive train with at least one drive machine. The transmission is formed with at least one interlocking shift element and a plurality of frictional shift elements in order to obtain various gear ratios. During an engaging process of the interlocking shift element, starting from a disengaged operating condition, in which halves of the interlocking shift element are out of engagement, to an engaged operating condition, in which the shift element halves are interlocked in a rotationally fixed manner, when interlock between the shift element halves is obstructed, a rotational speed difference is produced at least temporarily between the shift element halves, at which the interlock in the area of the interlocking shift element can be engaged. To produce the speed difference between the shift element halves, the transmission capacity of at least one frictional shift element is increased. | 11-24-2011 |
| 20110282533 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drive train of a motor vehicle which includes at least an electric machine, as a drive aggregate, and a transmission which is positioned between the drive aggregate and an output, and a starting element positioned between the electric machine and the transmission. For and during the start, an expected drive resistance is calculated and then, if the expected drive resistance is lower than a first threshold value, starting takes place with the starting element engaged via the electric machine from a standstill, and if the expected drive resistance is larger than the first threshold value, starting takes place with the starting element disengaged, the electric machine is operated with a defined machine rotational speed in a rotation speed control mode, and thereafter, the starting element is engaged such that it transfers starting torque which depends on the a driver request. | 11-17-2011 |
| 20110281685 | METHOD FOR OPERATING A VEHICLE HYBRID DRIVE TRAIN HAVING AN INTERNAL COMBUSTION ENGINE AND HAVING AN ELECTRIC MACHINE - A method of operating a vehicle hybrid drive train comprising an internal combustion engine and electric machine whose torque is applicable to a drive output of the drive train. The drive train comprises a clutch arranged between the internal combustion engine and electric machine, an oil pump connected in the drive train downstream of the clutch in relation to the internal combustion engine, and the oil pump can be driven by the internal combustion engine and the electric machine, and a transmission which comprises a shifting elements for producing various gear ratios and which is supplied with hydraulic fluid by the oil pump in an operating-status-dependent manner. The speed of the electric machine is set independently of the speed of the internal combustion engine, in order to supply the transmission with a flow of a volume hydraulic fluid required for the operating point of the transmission present at the time. | 11-17-2011 |
| 20110281480 | CONNECTING PIECE THAT CAN BE INSERTED INTO A BOATS HULL - A connecting piece ( | 11-17-2011 |
| 20110278132 | PARKING LOCK DEVICE FOR AN AUTOMATIC TRANSMISSION OF A MOTOR VEHICLE - A parking lock device ( | 11-17-2011 |
| 20110275478 | OPERATION METHOD FOR AT LEAST ONE FORM-LOCKING SHIFTING ELEMENT OF AN AUTOMATIC TRANSMISSION BEFORE START-UP OF AN COMBUSTION ENGINE - A method of operating at least one form-locking shifting element of an automatic transmission integrated in a drivetrain which comprises an oil pump that can be driven mechanically by an internal combustion engine and an auxiliary oil pump that can be electrically driven, before start-up of the internal combustion engine. The method including the steps of recognizing the start-up of the combustion engine and, when a start-up of the combustion engine is recognized, controlling the electrically driven auxiliary oil pump and the at least one form-locking shifting element such that, directly after the generation of a defined rotational speed difference of the at least one form-locking shifting element by the internal combustion engine, the at least one form-locking shifting element is engaged. | 11-10-2011 |
| 20110272235 | Clutch Assembly with Wear Compensation - A clutch assembly, particularly for a friction clutch of a motor vehicle, with at least one clutch housing in which is arranged a diaphragm spring that acts on a pressure plate and is secured to the clutch housing by a holding ring with retaining tabs distributed over a circumference at a distance axially from the holding ring. The retaining tabs define an axial stop. A spring element is arranged between two adjacent structural component parts of the clutch assembly that are arranged between the holding ring and the axial stop of the retaining tabs that exerts an axial spring force on the adjacent structural component parts. The spring element is arranged on at least one retaining tab and has at least two edge-side support regions that extend in direction of the adjacent retaining tabs and at least partially contact one structural component part and at least one axial raised portion arranged between the support regions that at least partially contacts the other structural component part. | 11-10-2011 |
| 20110265541 | PRODUCTION METHOD FOR STAMPED PARTS AND APPARATUS - A method for producing stamped components in two method steps such that, during the first method step, a workpiece ( | 11-03-2011 |
| 20110263382 | METHOD FOR THE OPERATION OF A TRANSMISSION DEVICE - A method is described for the operation of a transmission device ( | 10-27-2011 |
| 20110263380 | METHOD FOR OPERATING A VEHICLE DRIVE TRAIN - A method is described for operating a vehicle drive train ( | 10-27-2011 |
| 20110263376 | MULTI-SPEED TRANSMISSION - The 8-gear transmission comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS | 10-27-2011 |
| 20110263371 | DRIVE ASSEMBLY AND STARTING PROCESS OF A VEHICLE - A drive assembly for a commercial vehicle, in particular a mobile working machine. The drive assembly comprises an internal combustion engine ( | 10-27-2011 |
| 20110263370 | HYBRID DRIVE TRAIN OF A MOTOR VEHICLE - A hybrid drive train of a motor vehicle which comprises a combustion engine, an electric machine which is operable as a motor and a generator and comprises a stator and a rotor, and a multi-stage planetary transmission with input and output shafts. The driveshaft of the combustion engine can be connected to the input shaft of the transmission, the electric machine is coaxially arranged about the input shaft, and the rotor of the electric machine is rigidly connected with the input shaft. To achieve a starting acceleration and climbing capacity on starting, corresponding to those provided by a drive train with an automatic transmission and a hydrodynamic torque converter or a manual gearshift transmission with a converter shifting clutch, the rotor of the electric machine can be connected with the transmission input shaft via an input transmission stage which is formed as a simple planetary gearset and has a high gear ratio. | 10-27-2011 |
| 20110263167 | METHOD FOR CONTROLLING A WATERCRAFT HAVING A SURFACE DRIVE - A method of controlling a watercraft having a drive which can be pivoted about a control angle. According to the method, a maximum adjustable control angle is automatically reduced by a defined gradient with an increasing speed. The drive is configured as a surface drive comprising at least two drive units, and the drive units are adjusted in the vertical direction about a trim angle in a pre-adjustable automatic operating mode ( | 10-27-2011 |
| 20110260424 | AXLE FOR A MOTOR VEHICLE - An axle for a motor vehicle comprises at least a transverse leaf spring ( | 10-27-2011 |
| 20110259702 | Clutch Arrangement, In Particular For The Drive Train Of A Vehicle - A clutch arrangement includes a housing filled with fluid, a first friction surface formation rotatable with the housing around an axis of rotation, a second friction surface formation rotatable with a driven element around the axis of rotation, a pressing element rotatable with the housing around the axis of rotation and which divides an interior space of the housing into a first spatial area and a second spatial area. Depending on fluid pressure in the first and fluid pressure in the second spatial areas, the pressing element is movable with respect to the housing for producing and canceling a frictional engagement between the and the second friction surface formations. A fluid supply system for the first spatial area and/or the second spatial area includes at least a first fluid flow path. The fluid can be supplied to the associated spatial area via at least one fluid flow path and fluid can be removed from the associated spatial area via at least one fluid flow path. | 10-27-2011 |
| 20110259679 | METHOD FOR PROVIDING ASSISTANCE TO A DRIVER OF A VEHICLE DURING A STARTING PROCESS - In the method for providing assistance to the driver of a motor vehicle, in particular a motor vehicle comprising a semi-automatic or an automatic transmission, it is recognized, during the starting process, whether the holding torque of the vehicle is greater than the engine intake torque in the current gear. In the event that a current torque is greater than the engine intake torque in the current gear or if no gear is engaged or called for, in the first forward gear, emitting a signal which indicates to the driver the need to use the holding brake of the vehicle and/or a transmitting a signal to the brake control system of the vehicle to impose a brake pressure in the service brake and/or in the holding brake. | 10-27-2011 |
| 20110259135 | TRANSMISSION - A transmission having at least one shaft, on which a guide sleeve which has a first external toothing system is arranged fixedly so as to rotate with it and at least one slider sleeve which has an internal toothing system is arranged, it being possible to adjust the slider sleeve between a disengaged position, in which the internal toothing system and a second external toothing system on a clutch element are not operatively connected, and an engaged position, in which the internal toothing system meshes with the second external toothing system. The internal toothing system and/or the first external toothing system are/is configured in such a way that there is merely punctiform contact between them in the engaged position. As a result, in particular, an undesired gear disengagement can be suppressed. | 10-27-2011 |
| 20110254242 | HOLLOW SHAFT CONNECTION DEVICE - A connection device for the torque transmitting connection of a connection component ( | 10-20-2011 |
| 20110251016 | DEVICE FOR FASTENING OF A MAGNETIC RING - An arrangement for fastening a magnetic ring onto a transmission component ( | 10-13-2011 |
| 20110248464 | SUSPENSION DEVICE HAVING ANTI-ROLL COMPENSATION - A suspension device for suspending a mass relative to a substructure. The suspension device comprises a spring/damper arrangement which is disposed between the mass and the substructure and dampens vibrations, and comprises at least one Watt's linkage. At least one of the pivot points of the Watt's linkage is movably connected to the mass and the substructure. The relative position between the pivot point, the mass and the substructure can be adjusted by at least one substantially linearly acting actuator. The suspension device is robust and suitable for determining the vertical degree of freedom of movement of a truck driver's cab, and for damping or preventing undesired movement of the driver's cab. At the same time, undesired rolling or tilting motion of the driver's cab can be actively controlled or prevented by using the actuators. | 10-13-2011 |
| 20110247899 | METHOD FOR THE DYNAMIC OIL FILLING OF A TRANSMISSION FOR MOTOR VEHICLES, AND DEVICE FOR CARRYING OUT THE METHOD - A method of dynamic oil filling of a transmission for a motor vehicle, in particular an automatic transmission, which comprises an oil overflow bore and oil cooler connections. The method comprises the following process steps: a) an initial oil filling of the transmission with a basic quantity of oil, b) drawing off excess oil and at the same time topping up, c) final oil adjustment by a single after-dose, d) closing off the oil overflow bore, e) calculation and topping up with a compensation quantity, in particular for vehicle-specific components. When the result of the calculation is a negative value for the compensation quantity, the calculated compensation quantity is extracted from the oil already filled with the transmission running. | 10-13-2011 |
| 20110246032 | METHOD FOR DETERMINING THE OUTPUT ROTATIONAL SPEED OF A MANUAL TRANSMISSION - A method for determining the output speed (N_AB) of a manual transmission of a motor vehicle. The output speed (N_AB) is calculated during a period of a shifting operation in which the current gear is disengaged and the new gear has yet to be engaged. The calculated output speed (N_AB) is used for controlling adjustment of the speed of the transmission input shaft (N_EG) to the speed of the transmission output shaft, or the calculated output speed (N_AB), is used for checking the plausibility of a value of the output speed (N_AB) as determined by the sensors. | 10-06-2011 |
| 20110241500 | DRIVE TRAIN FOR A MOTOR VEHICLE - A drive train for a motor vehicle which comprises of at least a rotatable drive shaft ( | 10-06-2011 |
| 20110241420 | POWER SUPPLY DEVICE AND UNIT - A power supply device for a unit that is to be supplied with electrical energy and typically arranged on a commercial vehicle trailer, for example. The power supply device comprises an electro-hybrid drive system for a commercial vehicle and a supply unit which is designed to convert a direct voltage, from a high-voltage system of the electro-hybrid drive system, into a three-phase alternating voltage. The supply unit comprises an output which transmit the three-phase alternating voltage for supplying power to the unit. The output is designed to form a standardized interface together with the unit. In addition, the unit which can be connected to the power supply device is one of a refrigerator unit, a concrete mixer, a concrete pump or a shredder. | 10-06-2011 |
| 20110240437 | DEVICE FOR ACTUATING A PARKING LOCK | 10-06-2011 |
| 20110240429 | Hydrodynamic Coupling Arrangement, In Particular A Torque Converter - A hydrodynamic coupling includes a housing coupled to a driveshaft having an impeller and a turbine wheel is arranged in the housing driven by the impeller, and a first damper arrangement by which the housing is coupled to a driven member by a lockup clutch. The first damper arrangement includes a first torsional vibration damper connected to the lockup clutch is rotatable around an axis of rotation against the action of a first damper spring arrangement. A second torsional vibration damper is connected to the first torsional vibration damper and rotatable around the axis of rotation against the action of a second damper spring arrangement. The turbine wheel is connected to an intermediate torsional vibration damper region including a first secondary side, a second primary side, a second damper arrangement having a deflection mass carrier connected to the second secondary side that is carried at the deflection mass carrier such that a radial position of the deflection mass. | 10-06-2011 |
| 20110240424 | Vibration Damper with Integrated Level Control - A vibration damper with integrated level control includes a cylinder in which a hollow piston rod with a piston outfitted with damping valves is guided so as to be axially movable. The piston divides the cylinder into a workspace on the piston rod side and a workspace remote of the piston rod. The workspace on the piston rod side is limited at the end by a piston rod guide, and the workspace remote of the piston rod is connected to a pump space by at least one connection opening in a separating wall. The separating wall supports a hollow rod on which the piston slides and controls the pump operation of the vibration damper. A compensation space receives the damping volume displaced by the piston rod due to a dynamic load, and the piston rod guide is guided in the cylinder so as to be movable axially, and the connection opening in the separating wall is outfitted with a valve that opens in the direction of the work space remote of the piston rod. | 10-06-2011 |
| 20110240384 | HYBRID DRIVE ARRANGEMENT - A hybrid drive arrangement for a vehicle with an internal combustion engine for driving, under engine power, and at least one electric machine ( | 10-06-2011 |
| 20110237393 | METHOD FOR CONTROLLING AN AUTOMATED GEARED TRANSMISSION - A method of controlling an automated stepped transmission disposed in a drive train of a motor vehicle in conjunction with a turbo-charged internal combustion engine. In which the control of start-up and shifting procedures depends on the response behavior of the internal combustion engine. In order to enable control of the start-up and shifting processes with considerably lower coordination effort, the actual response behavior of the internal combustion engine is taken from an engine dynamics characteristic map in which the immediately available maximum torque (M | 09-29-2011 |
| 20110237390 | METHOD FOR THE OPERATION OF A DRIVETRAIN - A method of operating of a drivetrain, having at least a drive motor and an automatic transmission with at least five shift elements, to improve a shift speed such that during a first upshift or a first downshift, at least one required shift element is prepared such that, when a synchronization point is reached, the successive upshift or the successive downshift can be immediately carried out. The method comprises the steps of requiring, at most, two of the at least five shift elements be disengaged and a remainder of the shift elements be disengaged for each gear for transferring one of torque and force; and one of increasing and decreasing a torque of the drive motor, relative to a torque of the drive motor derived from a driver's wish, during one of the first upshift or downshift and the successive upshift or downshift to assist with an overlapped implementation of the successive upshifts or the successive downshifts. | 09-29-2011 |
| 20110231074 | METHOD FOR THE OPERATION OF A DRIVETRAIN - A method of operating of a drivetrain, having a drive motor and an automatic transmission with at least five shift elements, to improve a shift speed of at least one of a successive upshift and a successive downshift, such that at least one required shift element is prepared so that, when a synchronization point is reached, the successive upshift or downshift can be immediately carried out. The method comprises the steps of requiring, at most, two of the at least five shift elements be disengaged and a remainder of the shift elements be engaged, in each of the gears; and preparing a shift element, to be engaged before reaching the synchronization point, by a first time interval, that is applied in a time-controlled manner or an event-controlled manner for engagement, while the first upshift or the first downshift is being carried out while giving consideration to the successive upshift or the successive downshift. | 09-22-2011 |
| 20110227434 | Drive Unit For A Motor Vehicle With An Electric Machine - A drive unit for a motor vehicle having an electric machine including a rotor mounted so as to be rotatable around an axis A and coupleable, with a driveshaft acting on the vehicle wheels, and a stator having an electric winding whose terminations are connected to a power source by a connection device arranged at a housing opening of the drive unit and guided through this opening. A housing element encloses the rotor and the stator on the radially outer side. To arrange the connection device such that the installation space is optimized, the winding terminations are connected to first contact elements arranged fixed in position at the stator constructed as axial connectors with respect to the electric machine, and constitute stator contacts. These first contact elements are connected to second contact elements constructed to correspond to the first contact elements arranged at a wall area of the drive unit, and constitute wall contacts. The wall contacts are electrically connected to the connection device or form this connection device. | 09-22-2011 |
| 20110227310 | SEMI-TRAILING ARM AXLE FOR A MOTOR VEHICLE - A semi-trailing arm axle for a motor vehicle is proposed, which for each wheel ( | 09-22-2011 |
| 20110226576 | Torsional Vibration Damping Arrangement, Particularly For the Power Train of A Vehicle - A torsional vibration damper arrangement including a torsional vibration damper with a primary side and a secondary side rotatable with respect to the primary side around an axis of rotation against the action of a damper spring arrangement. One side of the primary side and secondary side includes two cover disk elements and a central disk element arranged between the cover disk elements. The cover disk elements are connected to one another by first connection elements radially inside the damper spring arrangement so as to be fixed axially and so as to transmit torque. The cover disk elements are connected to one another by second connection elements in such a way that they are prevented from moving axially away from one another. No torque can be transmitted between the cover disk elements by the second connection elements. | 09-22-2011 |
| 20110226572 | Vibration Damper with Stroke-Dependent Damping Force - A vibration damper with stroke-dependent damping force includes a cylinder in which a piston rod with a piston is axially movable. The piston divides the cylinder into two work spaces filled with damping medium. A bypass between the work spaces is opened or closed depending on the piston position. The piston has a damping valve for at least one through-flow direction formed by a valve body that partially covers a through-flow channel in the damping valve. The valve body has first and second pressure-actuated surfaces on opposite sides of the valve body. The action of the second pressure-actuated surface depends on the position of the piston in relation to the bypass. The first pressure-actuated surface exerts a lifting force and the second pressure-actuated surface exerts a closing force on the valve disk. The second pressure-actuated surface is connected to a control space and a connection channel that overlaps with the bypass depending on the stroke position of the piston. | 09-22-2011 |
| 20110226079 | ACTUATING DEVICE WITH SHIFT CARRAGE LOCK - An actuating device for transmitting shift commands to an automatic gearbox of a motor vehicle. The actuating device comprises a selector lever which is movable in a selector lane between an automatic shift lane and a sequential shift lane, a shift carriage for transmitting the shift commands to a gearbox transmission element, a separating device for separating the force transmission between the selector lever and the shift carriage, and a locking device for blocking the selector lever in at least one selector lever position. The locking device is set up to block the shift carriage. The shift carriage can be blocked not only in the shift-lock positions but also in the position of the shift carriage which corresponds to the selector lane position of the selector lever. | 09-22-2011 |
| 20110226076 | SHIFTING ASSEMBLY FOR SHIFTING THE REVERSE GEAR OF A VARIABLE SPEED GEARWHEEL TRANSMISSION AND VARIABLE SPEED GEARWHEEL TRANSMISSION - A shifting assembly for shifting the reverse gear of a variable-speed gearwheel transmission. The shifting assembly comprises a reverse-gear gearwheel mounted to rotate on a transmission shaft which has a first tooth array. A clutch body, that is rotationally fixed to the transmission shaft which has a second tooth array, is associated with the reverse-gear gearwheel. The first and the second tooth arrays are axially forced into engagement in order to engage the reverse gear. A synchronizer ring, connected to the reverse-gear gearwheel, has a friction surface which engages another mating friction surface during synchronization. The synchronizer ring and the reverse-gear gearwheel can rotate relative to one another by a limited angular amount between a blocking position and a through-connection position. A stressing element, arranged between the synchronizer ring and the reverse-gear gearwheel, pre-stresses the synchronizer ring relative to the reverse-gear gearwheel in the direction of a blocked position. | 09-22-2011 |
| 20110222959 | JOINT AND/OR MOUNT ARRANGEMENT - A joint or bearing arrangement ( | 09-15-2011 |
| 20110221451 | METHOD FOR DETECTING THE POSITION OF AN ARMATURE OF AN ELECTROMAGNETIC ACTUATOR - A method of detecting the position of the armature ( | 09-15-2011 |
| 20110221153 | COUPLING BAR FOR A VEHICLE - A linking rod for a vehicle comprising a basic body ( | 09-15-2011 |
| 20110219901 | ACTUATING DEVICE FOR SELECTING FIXED GEAR RATIOS OF A GEAR CHANGING TRANSMISSION - An actuating device for selection on shift steps of a gear changing transmission. The actuating device comprises a flexible gear selection device ( | 09-15-2011 |
| 20110219894 | Torque Transmission Assembly, Particularly For The Drivetrain Of A Vehicle - A torque transmission assembly includes two structural component parts for coupled engagement to one another so as to rotate together around an axis of rotation, a first of these structural component parts has an inner circumferential toothing and a second of these structural component parts has an outer circumferential toothing for a rotary coupling engagement with the inner circumferential toothing. The teeth in one toothing of an inner circumferential toothing and outer circumferential toothing are bounded by end faces in a first axial end area of the one toothing. The one toothing has at least one tooth with an end face which is extended forward axially relative to the end faces of the other teeth of the one toothing, and the end face of at least one tooth of the one toothing with the end face which is extended forward axially forms a circumferentially deflecting end face for the other toothing. | 09-15-2011 |
| 20110218699 | METHOD FOR CONTROLLING AN AUTOMATIC GEARED TRANSMISSION - A method of controlling an automatic geared transmission of a vehicle drive train. The transmission is linked, on the input side, to a hybrid drive which comprising an engine and an electric motor and, on the output side, to an axle drive and wheels. During vehicle stand still with the engine and/or electric motor operating and a disengaged drive train, rolling of the motor vehicle is prevented, or at least limited, by shifting the transmission. When the automatic geared transmission is in the neutral position (G | 09-08-2011 |
| 20110215209 | Supporting Tube With A Vibration Damper - A supporting tube for a vibration damper including an axial supporting surface on which rests an outer cylinder of the vibration damper. A fixing cap which holds a second axial supporting surface for securing the cylinder against loading in the opposing direction. The fixing cap is connected to the supporting tube by positive engagement, and separate locking elements for both parts are arranged between the fixing cap and the supporting tube, which locking elements position the outer cylinder relative to the supporting tube. | 09-08-2011 |
| 20110208395 | METHOD AND DEVICE FOR CONTROLLING AN AUTOMATED GEARBOX - The invention concerns a method and a device for controlling an automated transmission, in which a transmission control device is provided which, on the basis of input signals, emits to suitable actuators control signals which initiate a shift sequence of the automatic transmission. | 08-25-2011 |
| 20110204881 | ZERO POSITIONING FOR SENSOR - An arrangement to establish a zero position for a sensor that serves to detect movement between parts of a technical system that are connected by a ball joint. The arrangement comprising a joint housing of the ball joint rigidly connected to a first part of the system, a ball pin rigidly connected to a second part of the system, and a sensor for detecting the movements of the ball pin. At least a first sensor element is disposed on the ball pin and a second sensor element is disposed on a part of the system that is immovable with respect to the joint housing. An axial area of the lateral surface of the ball pin is flattened and positively locks an inner contour of the mounting eye or a disk-shaped element which abuts the mounting eye and is fixed by positively locking with the second part of the system. | 08-25-2011 |
| 20110203899 | Control Element for a Parking Lock - The invention relates to a parking lock control element ( | 08-25-2011 |
| 20110203892 | METHOD FOR ACTUATING A CLUTCH OF A HYDRODYNAMIC TORQUE CONVERTER - A clutch of a hydrodynamic torque converter in which the input drive of the hydrodynamic torque converter can be connected to the output drive of the hydrodynamic torque converter. The clutch of the hydrodynamic torque converter is only engaged if a difference between the rotational speeds of the pump and the turbine of the hydrodynamic torque converter is not reached and a predefined distance traveled by the accelerator pedal is exceeded. | 08-25-2011 |
| 20110202244 | METHOD FOR OPERATING THE TORQUE CONVERTER LOCK-UP CLUTCH IN A POWER TRANSMISSION OF A MOBILE MACHINE COMPRISING AT LEAST ONE HYDRAULICALLY ACTUATED LIFTING DEVICE - A method of operating the torque converter lock-up clutch in a power transmission of a working machine comprising at least one hydraulically actuated lifting device. The torque converter lock-up clutch is actuated for disengagement when a predefined limit value for the position of the lifting hydraulic mechanism of the at least one lifting device is exceeded. When the position of the lifting hydraulic mechanism falls below a predefined limit value and when the turbine rotational speed exceeds a predefined threshold value, the torque converter lock-up clutch is reengaged. | 08-18-2011 |
| 20110202242 | SENSOR ARRANGEMENT - A sensor arrangement for an electronic transmission control unit of an automatic transmission accommodated in a transmission housing. The sensor arrangement comprises first and second pick-up arrangements for detecting various positions of an actuator system of the automatic transmission. The first pick-up arrangement is provided for monitoring a first position range of the actuator system remote while the second pick-up arrangement is provided for monitoring a second position range of the actuator system different from the first position range. The first and the second pick-up arrangements are connected to a common evaluation unit which, via a single common interface, connects with the electronic transmission control unit for transmitting the position signals of the first and second position range. | 08-18-2011 |
| 20110201474 | ARRANGEMENT FOR MOUNTING AND ATTACHING A PLANETARY GEAR TO A CAMSHAFT AND METHOD FOR MOUNTING THE PLANETARY GEAR - An arrangement for mounting and fixing a planetary gear system ( | 08-18-2011 |
| 20110198190 | PARKING LOCK SYSTEM - A vehicle transmission parking lock system comprising a parking lock for locking or releasing the transmission, an operating device of the vehicle which is electrically connected to the parking lock, a spring for engaging the parking lock, a pressure-controlled release device for disengaging the parking lock, a holding device for securing the parking lock in a released and/or engaged condition, and an emergency release device of the parking lock. When the vehicle drive assembly is static due to the occurrence of a defined event, the emergency release device actuates a device to release the parking lock under pressure control. The holding device retains the parking lock in the released condition for as long as the emergency release device is activated, and the defined event which triggers actuation of the pressure-controlled release device of the parking lock occurs when at least two operating devices are actuated in a defined manner. | 08-18-2011 |
| 20110197696 | METHOD FOR CONTROLLING A LOCK-UP CLUTCH OF A HYDRODYNAMIC TORQUE CONVERTER - A lock-up clutch of a hydrodynamic torque converter remains disengaged during shifts of a downstream transmission, when the drive motor is operated in the partial load range, and remains engaged during shifts of the downstream transmission, when drive motor is operated in a full load range. | 08-18-2011 |
| 20110197695 | METHOD FOR THE OPERATION OF A CLUTCH OF A HYDRODYNAMIC TORQUE CONVERTER - A clutch of a hydrodynamic torque converter, which connects the drive input of the hydrodynamic torque converter to the drive output of the hydrodynamic torque converter, is actuated in a disengaging direction when a power at an auxiliary power take-off in a vehicle exceeds a predefined value. | 08-18-2011 |
| 20110197694 | METHOD FOR REVERSING THE DIRECTION OF TRAVEL OF A VEHICLE - During reversal of drive of a vehicle, particularly a work machine with a hydrodynamic torque converter and a bypass clutch, the bypass clutch is first disengaged, during the reversal process. Next, a previously engaged first driving direction clutch, driving the vehicle in the first driving direction, is disengaged and a second driving direction clutch, for driving the vehicle in the second driving direction, is engaged so that a speed of the vehicle, in the first driving direction, is reduced and a speed of the vehicle, in the second driving direction, is subsequently accelerated, whereby the drive motor is operated at a higher rotational speed during the reversal process. | 08-18-2011 |
| 20110196588 | METHOD FOR ENGAGING A TORQUE CONVERTER LOCK-UP CLUTCH IN A POWER TRANSMISSION OF A MOBILE MACHINE - A method of engaging a converter lock-up clutch in a power-shift transmission of a working machine. According to the method, the available engine torque or the turbine torque is determined, prior to an engagement of the converter lock-up clutch, and, depending on the determined engine torque or the determined turbine torque, the gradient of the engine torque is controlled by the transmission control unit during engagement and optionally controlled for a defined period of time following engagement such that acceleration of the vehicle, and thus a jerking sensation upon engagement of the converter lock-up clutch, is reduced or prevented. | 08-11-2011 |
| 20110195621 | PROPELLER DRIVE ARRANGEMENT FOR CONTROLLING AND DRIVING A SHIP - A propeller drive configuration, for the control and drive of a ship ( | 08-11-2011 |
| 20110193784 | ILLUMINATABLE KEYBOARD - A keyboard that can be illuminated comprises a key array and a base element. Key buttons of the key array are held in modules arranged on a side, facing away from either the base element or a printed circuit board that is provided for delivering signals. The printed circuit board is arranged above the base element in a place close to but at a distance away from the base statement and made at least partially light-transmitting. At least one light source for emitting light is arranged on the underside of the printed circuit board that faces the base element. At least one light-scattering elements, which projects from the base element toward the printed circuit board, is arranged on the side of the base element facing the printed circuit board. | 08-11-2011 |
| 20110190997 | METHOD FOR ACTUATING A CLUTCH OF A HYDRODYNAMIC TORQUE CONVERTER - A method of actuating a clutch of a hydrodynamic torque converter in a self-propelling working machine such that when the clutch is engaged and thereby connects a drive input of the hydrodynamic torque converter to a drive output of the hydrodynamic torque converter, and when a service brake is actuated, the clutch is disengaged thereby separating a drive input of the hydrodynamic torque converter from a drive output of the hydrodynamic torque converter. The method comprises the steps of, when the service brake is actuated, actuating the clutch in the engaging direction, and maintaining engagement of the clutch if a device for recognizing a driving status of the working machine detects that the working machine is driving downhill. | 08-04-2011 |
| 20110190969 | METHOD FOR CONTROLLING AND/OR REGULATING AT LEAST ONE PARTIAL LOAD TRANSFER IN A HYBRID DRIVE ARRANGEMENT - The invention relates to a method for controlling and/or regulating at least one partial load transfer in a hybrid drive arrangement of a motor vehicle. According to said method, a driver's desired torque (M | 08-04-2011 |
| 20110188790 | Hydraulically Damping Bushing Bearing - Chambers for a bushing bearing with damping means include outer sleeve and inner bearing part, accommodated in the outer sleeve with rigid bearing core and elastomeric bearing body surrounding the core. The expanding walls of the chambers are disposed transversely to the bearing axis (A). The inner bearing part is segmented with respect to the longitudinal axis (A) of the bearing and includes a center main segment with bearing core and bearing body and two end segments, each having an inner ring, an outer ring, and an interposed elastomeric element forming expanding wall of a chamber. The end segments are pressed with inner ring onto axial ends of the bearing core so that the material overlaps between the elastomeric elements of the end segments and the ribs of the bearing body. The channel is formed outside of the bearing body in a channel carrier element. | 08-04-2011 |
| 20110185888 | ARRANGEMENT FOR HYDRAULIC ECCENTRIC ADJUSTMENT TO SET A PREDEFINED DISPLACEMENT FOR A HYDROSTATIC MOTOR - An arrangement for a hydraulic eccentric adjustment for setting a predetermined displacement volume in a hydrostatic motor and, in particular a radial piston motor ( | 08-04-2011 |
| 20110185812 | METHOD FOR FIXING A COMPONENT IN A CASING AND ASSEMBLY HEREOF - Method for fixing a functional component ( | 08-04-2011 |
| 20110183807 | MULTI-STAGE GEARBOX - A transmission with forward and reverse gears comprising planetary gearsets, shafts and shift elements. The sun gear of gearset (P | 07-28-2011 |
| 20110177904 | CONTROLLER FOR A SHIP'S PROPULSION - A ship propulsion ( | 07-21-2011 |
| 20110177731 | DEVICE FOR DETECTING THE ANGULAR POSITION OF A STEERING SHAFT - A device for detecting an angular position of a steering shaft ( | 07-21-2011 |
| 20110177730 | PROPELLER DRIVE ARRANGEMENT FOR CONTROLLING AND DRIVING A SHIP - A propeller drive assembly, for steering and driving a ship ( | 07-21-2011 |
| 20110172933 | METHOD FOR DETERMINING THE TORQUE AVAILABLE ON THE CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE IN A MOTOR - The invention relates to a method for determining the torque available on the crankshaft of an internal combustion engine in a motor vehicle, according to which an adaptation of the motor torque is carried out. | 07-14-2011 |
| 20110172858 | JOYSTICK CONTROLLED MARINE MANEUVERING SYSTEM - A marine propulsion and steering system for a vessel having multiple modes of operation, an axial propulsion system, a maneuvering propulsion system and a maneuvering control system including a pilot controllable joystick for generating propulsion and maneuvering control inputs representing vessel motions desired by a pilot. An input loop is responsive to the joystick control inputs to generate maneuvering commands representing the magnitudes and directions of motions of the vessel desired by the pilot and the actuator loop controller is responsive to the maneuvering commands from the input loop to generate corresponding vessel control commands to the vessel propulsion and maneuvering systems. | 07-14-2011 |
| 20110172055 | METHOD FOR CARRYING OUT A SHIFT DURING HYBRID OPERATION IN A PARALLEL HYBRID VEHICLE - A method of carrying out a shift with traction force interruption during hybrid operation in a parallel hybrid vehicle having an automated transmission. The method comprises the steps of maintaining the coupling between the internal combustion engine ( | 07-14-2011 |
| 20110168519 | PARKING LOCK DEVICE FOR MOTOR VEHICLE - A parking lock device for a motor vehicle transmission which comprises a transmission housing, a locking pawl mounted by a bolt to swivel on the housing and loaded by a restoring spring, a guide plate supported on the housing, and a locking element by which, in the engaged condition, the locking pawl can be locked by being supported against the guide plate. The locking pawl is arranged on the bolt with some play and, on a narrow side thereof facing toward the guide plate, has a pawl hook with a first detent element, while the guide plate has, in a swiveling area of the pawl hook, an opening with a second detent element which interlocks with the first detent element when the parking lock is disengaged. | 07-14-2011 |
| 20110166726 | MOTOR VEHICLE CONTROL SYSTEM - A control system for controlling a vehicle with a hybrid drive comprising an internal combustion engine and an electric motor and a plurality of functional components each divided into at least a strategy sub-component, a control sub-component and an actuator sub-component, the functional components including at least an engine functional component, a transmission functional component and a hybrid functional component, such that the strategy sub-component ( | 07-07-2011 |
| 20110163734 | ARRANGEMENT FOR MEASURING AT LEAST ONE VALUE OF A VOLTAGE APPLIED TO AN ELECTRONIC COMPONENT - An arrangement for measuring values of a voltage applied to an electronic component. The arrangement comprises a first signal transmitter which can emit a first switching signal, a first switch coupled to the first signal transmitter and can be controlled by the first switching signal. The electronic component is connected in series to the first switch and can be coupled, via the same, to an electric energy source. A second signal transmitter, which can emit a second switching signal. A second switch is coupled to the second signal transmitter and can be controlled by the second switching signal. A capacitive accumulator is connected in series to the second switch and can be connected in parallel, via the same, to the electronic component or to the series connection formed by the electronic component and the first switch. An analog/digital converter which is connected in parallel to the capacitive accumulator. | 07-07-2011 |
| 20110162937 | PARKING LOCK DEVICE FOR MOTOR VEHICLE - A parking lock device for a motor vehicle transmission including a parking lock gear, a locking pawl, a locking element with an operating rod as well as a guide plate. The locking pawl engages with and blocks the parking lock gear when the parking lock is engaged and locked by the locking element, and when the parking lock is disengaged, the locking pawl disengages from the parking lock gear and can be locked in a form-locked manner. An unlocking element is fixed to the operating rod, and the unlocking element disengages the form lock before the parking lock is engaged. The locking element is arranged on a leaf spring which has a fixed end, a free end and a center arranged between the fixed and the free ends. The center can be moved outwardly by the unlocking element and the locking element is arranged on the free end. | 07-07-2011 |
| 20110162936 | PARKING LOCK DEVICE FOR MOTOR VEHICLE - A parking lock device for a motor vehicle which comprises a parking lock gearwheel, a locking pawl, a locking element with an actuating rod and a compensation spring element. In the active zone of the locking element, the locking pawl has an inclined face. The inclined face ( | 07-07-2011 |
| 20110162475 | SELECTOR LEVER HAVING ACTUATING CHANGE OF POSITION - An operating device for shift-by-wire transmission comprises a selector lever which has a detent mechanism. The detent mechanism comprises bevel and notched contours that can be displaced for automatically returning the selector lever back to the first lock position or shift gate. The notched contour is spring-biased toward the selector lever detent element and overlaps the bevel contour in its first position, and an actuating block is provided for locking the notched contour in its first position near the detent element. The spring-loading of the notched contour is weaker than the spring-loading of the detent element, and the shape of the first detent position of the notched contour matches that of the first detent position of the bevel contour when the notched contour is located in the first position. The operating device enables actuator-controlled automatic return, and optional locking of the selector lever with little design effort, while simultaneously having low space requirements and minimal generation of any disturbing noise. | 07-07-2011 |
| 20110153173 | METHOD FOR CONTROLLING AN AUTOMATIC MULTI-STEP SHIFT TRANSMISSION - A method of controlling an automatic transmission arranged in a vehicle between a drive motor and an axle drive of a drive axle or a transfer box such that the current road inclination is determined and, after driving onto a downhill stretch of road, to increase a braking action of the drive motor and/or a permanent brake, a shift to a lower gear is carried out and after a transition to a traction operation or after driving onto level ground, a shift to a higher gear is carried out. To improve transmission shifting behavior, when transitioning between a downhill stretch and level ground, it is provided that a function for detecting a downhill run-out is started and if a downhill run-out is detected, and a shift to a higher gear is carried out while still in a thrust operation before driving onto the level ground and/or before the transition to traction operation. | 06-23-2011 |
| 20110153157 | WHEEL SUSPENSION FOR A VEHICLE - A wheel suspension for a vehicle comprising a wheel carrier ( | 06-23-2011 |
| 20110151732 | METHOD FOR CONTROLLING A SURFACE DRIVE FOR A WATERCRAFT IN THE UPPER SPEED RANGE - A surface drive for a watercraft with at least two drive units that is operated in different speed-dependent driving modes. The trim angles (τ | 06-23-2011 |
| 20110148553 | ELECTROMAGNETIC ACTUATOR HAVING A MAGNETOSTRICTIVE ELEMENT AND METHOD FOR OPERATING THE ELECTROMAGNETIC ACTUATOR - An electromagnetic actuator ( | 06-23-2011 |
| 20110147109 | DRIVE TRAIN ARRANGEMENT FOR A VEHICLE - A drive train arrangement for a vehicle comprising a main transmission and a transfer box which are both housed within a transmission housing. The transfer box comprises a drive output which is connected to a rear axle differential transmission and connectable, by a torque transmission element and a connecting shaft, to a front axle differential transmission. The connecting shaft is arranged at a predetermined angle relative to the drive output shaft of the main transmission. The end of the connecting shaft, facing toward the front axle differential transmission, is actively connected to the front axle differential transmission. The front axle differential transmission is fixed to the vehicle by at least one adaptor device allowing the front axle differential transmission to be adapted to a variety of arrangement positions along the rotation axis of the connection shaft. | 06-23-2011 |
| 20110146824 | CONTROL SYSTEM OF A SHIFT CYLINDER - A control system for a pneumatically or hydraulically actuated shift cylinder of a transmission or transmission-related auxiliary drive output, namely, for controlling at least one valve associated with the shift cylinder, such that each shift position of the shift cylinder can be produced. The control system includes: a) devices of a first type with which valve requirements corresponding to a plurality of functions demanded from the shift cylinder can be calculated at the same time, or in parallel, for the valve; b) devices of a second type which logically link the valve requirements calculated for the valve individually for each valve so that, from the valve requirements calculated in parallel for the respective valve, the devices of the second type determine an effective control measure for the valve concerned. | 06-23-2011 |
| 20110146439 | PARKING LOCK DEVICE HAVING AN EMERGENCY OPERATION DEVICE FOR VEHICLE TRANSMISSIONS - A parking lock mechanism for a transmission which comprises a mechanical locking device, a movable thrust element that is connected to the mechanical locking device such that the thrust element can move the locking device between locked and unlocked conditions. The lock mechanism includes a parking lock actuation device with a first movable output element, an emergency actuation device with a second movable output element, and a first elastic element. The first output element is connected, via the first elastic element, to the thrust element so that movement of the first output element can be transmitted, via the first elastic element, to the thrust element, and the second output element is directly connected to the thrust element. The thrust element has a recess in which one side of the elastic element contacts a first wall of the recess and another side of the elastic element contacts the first output element. | 06-23-2011 |
| 20110146432 | CHANGE-SPEED GEARBOX HAVING A GEARBOX HOUSING WHICH HAS AN AUXILIARY CHAMBER - A change-speed gearbox of a motor vehicle having a drive input and a drive output shaft which are mounted in a main chamber of a gearbox housing and by which a power flow can be transmitted by the selective actuation of clutches such that, parallel to the drive input and output shafts, an intermediate shaft with an intermediate gearwheel is arranged in an auxiliary chamber of the gearbox housing which communicates with the main chamber, so that when the shifting device is appropriately actuated, a power flow is directed from the drive input shaft, via the intermediate gearwheel of the intermediate shaft, to the drive output shaft to produce a reverse rotation direction of the drive output shaft. The auxiliary chamber, accommodating the intermediate shaft, has a bell-shaped longitudinal section with an oval cross-section. | 06-23-2011 |
| 20110144873 | TRANSMISSION - A transmission, such as an automated manual transmission for a motor vehicle, with at least one shift group, such that the shift group or each shift group comprises a shift rail which actuates a shift fork that co-operates with a shift sleeve of the shift group concerned. Associated with the shift rail of the shift group or of each shift group there is a sensor that moves together with the respective shift rail relative to a corresponding measurement receiver such that in the area of at least one shift group, a first relative position between the measurement receiver and the sensor in the actuation direction and a second relative position between the measurement receiver and the sensor perpendicular to the actuation direction of the shift rail concerned can be detected, and from the second relative position, an evaluation device deduces system conditions of the shift group concerned. | 06-16-2011 |
| 20110144846 | METHOD OF OPERATING AN AUXILIARY ELECTRIC PUMP - A method for operating a hydraulic system of an automatic transmission, in particular in a hybrid drivetrain, in which the hydraulic system comprises a main pump that is powered by an internal combustion engine and/or an electric drive motor, an electric auxiliary pump and a system pressure valve for setting a system pressure, to ensure various operating functions. In addition to the main pump, the electric auxiliary pump also supplies the hydraulic system with a volume flow of an operating medium. The loading of the electric auxiliary pump is determined in an electronic control unit with regard to the value of the system pressure and the loading of the electric auxiliary pump is limited, by the electronic control unit, with regard to the selected operating function. | 06-16-2011 |
| 20110143876 | AUTOMATIC TRANSMISSION FOR A VEHICLE - A transmission for a vehicle with a clutch and/or a brake which is hydraulically actuated by a cylinder and a piston actuator. A pressure chamber is located between the cylinder and the piston and a hydraulic pressure medium flows into the pressure chamber via an inlet. The pressure medium is supplied to the pressure chamber via a component fixed on the housing, a rotary passage between the fixed component and the rotatable component and then via the rotatable component. The radial distance of the radial middle of the rotary passage is larger than the smallest radial distance and smaller than the largest radial distance of the pressure chamber from the rotation axis of a central shaft of the automatic transmission. The radial arrangement of the rotary passage, between the radially smallest and largest diameters of the pressure chamber, neutralizes centrifugally generated forces on the pressure medium in the pressure chamber. | 06-16-2011 |
| 20110143608 | METHOD FOR CONTROLLING A SURFACE DRIVE FOR A WATERCRAFT - A surface drive for a watercraft ( | 06-16-2011 |
| 20110140466 | ABSORBER ELEMENT FOR IMPACT ENERGY - An absorber element, positioned between an object to be protected and an impact element, for absorbing impact energy. The absorber element comprises a flange plate ( | 06-16-2011 |
| 20110138957 | ACTUATING DEVICE FOR A SHIFT ELEMENT OF A TRANSMISSION DEVICE WHICH CAN BE APPLIED WITH AN ACTUATING PRESSURE - An actuating device for a shift element of a transmission which is acted upon by a hydraulic actuating pressure (p_B | 06-16-2011 |
| 20110137515 | METHOD FOR OPERATING A HYDRAULIC OR PNEUMATIC CONTROL DEVICE OF A SEMI-AUTOMATIC TRANSMISSION - A method of operating a hydraulic or a pneumatic control device of a semi-automatic transmission. The control device has actuator devices with actuating cylinders. Pressure chambers of the actuating cylinders can each be connected, via a control valve, with a pressure line that can be selectively connected with a main pressure line, or blocked, via redundant and parallel positioned main switching valves. The control device has at least one sensor and at least one measured signal is captured by the at least one sensor, depending on the actuation of the main switching valves. The at least one measured signal or each captured measured signal is compared to a stored nominal signal for the respective actuation of the main switching valves and, if a deviation is determined between the measured signal and the respective nominal signal, a defect of at least one of the main switching valves is concluded. | 06-09-2011 |
| 20110132713 | SWITCHING ELEMENT COMPRISING AT LEAST ONE ELECTROACTIVE DIELECTRIC DEFORMATION MEMBER - A shift element which, when actuated, can conduct at least first and second components ( | 06-09-2011 |
| 20110132674 | INTERNAL COMBUSTION ENGINE/HYBRID TRANSMISSION ASSEMBLY - An internal combustion engine/hybrid transmission assembly of a motor vehicle, comprising an internal combustion engine and a hybrid module mounted on the internal combustion engine, the internal combustion engine having a flywheel. The hybrid transmission comprises a transmission and a hybrid module. The hybrid module has an electric motor which comprises a stator, on the stator side, and a rotor, on the rotor side, and the stator on the stator side comprises a stator housing, a stator liner which accommodates a stator core, and an end winding positioned on both sides of the stator core, when viewed in the axial direction. The section of the end winding, positioned on the side of the stator core facing the flywheel, is at least partially covered by a section of the flywheel, when viewed in the axial direction. | 06-09-2011 |
| 20110130912 | METHOD FOR OPERATION OF A DRIVE TRAIN - A method of operating a drive train of a motor vehicle in which the drive train comprises at least a hybrid drive with an internal combustion engine and an electric motor, a clutch connected between the combustion engine and the electric motor, a transmission arranged between the hybrid drive and a drive output, and preferably a transmission-internal or -external starting element. When the combustion engine is entrained into motion with the help of the electric motor, the clutch connected between the internal combustion engine and the electric motor is partially engaged to a slipping condition where the clutch transmits a constant torque, and during this entrainment, and comparing an actual gradient of the combustion engine's speed produced with a nominal gradient of the combustion engine's speed. When the actual gradient is greater than the nominal gradient, the method concludes that the combustion engine is started and actively providing torque. | 06-02-2011 |
| 20110130911 | METHOD FOR OPERATING A DRIVE TRAIN - A method of operating a drivetrain of a motor vehicle which comprises a hybrid drive with a combustion engine coupled by a clutch to an electric motor. To start the combustion engine with the electric motor, the clutch is partially engaged to a slipping condition to deliver electric motor torque from a starting value, the torque transmitted by the clutch is increased to a first final value. If during this, the combustion engine begins turning, the break-away torque of the internal combustion engine is determined. If the combustion engine does not begin turning, the clutch is further engaged to a slipping condition starting from a second initial value, such that torque transmitted by the clutch increases linearly until the combustion engine begins turning, and the break-away torque of the internal combustion engine is determined from the clutch torque at which the combustion engine begins turning. | 06-02-2011 |
| 20110128110 | ARRANGEMENT OF A COIL PAIR IN A LOCAL MEASUREMENT AREA - A configuration of a pair of inductor coils within a local measuring range which can comprise a position range or an angle range. For the coil configuration, a nominal distance to a damping part is predefined which comprises an eddy current damping part which covers the coils, to a certain degree. In the evaluation circuit, the coils are connected to a capacitor, forming an oscillator part, whose inductance and capacitance determine a resonant frequency. The characteristic curve, oscillator frequency as a function of the position or the angle is linear. The rectangular inductors of the pair of coils overlap within the measuring range. The linear characteristic curves have a common point of rotation, outside of the measuring range, which is independent from interferences by the measuring configuration. | 06-02-2011 |
| 20110124455 | HYBRID DRIVE TRAIN OF A MOTOR VEHICLE - A hybrid drive train of a motor vehicle which comprises a combustion engine with a drive shaft and an electric machine which operates as either a motor or generator. The electric machine has a stator and a rotor and surrounds a planetary automatic transmission. The combustion engine drive shaft communicates, via a controllable separating clutch, and the rotor of the electric machine communicates, via the input transmission section, with the automatic transmission input shaft. The electric machine, the separating clutch, and the input transmission section are coaxially combined within a module enclosure of a preassembled hybrid module that has input and output elements. The input element is connected with the drive shaft of the combustion engine and the output element is connected with the input shaft of the automatic transmission, and the hybrid module maintains the dimensions of a conventional hydrodynamic torque converter. | 05-26-2011 |
| 20110123259 | MOTOR VEHICLE, PARTICULARLY COMMERCIAL VEHICLE, AND JOINT ARRANGEMENT - A joint arrangement ( | 05-26-2011 |
| 20110121531 | Tie rod for wheel suspension of a vehicle - Tie rod for the wheel suspension of a vehicle with a tie rod and at least one bearing bushing arranged in the tie rod, wherein the bearing bushing can be connected with the wheel suspension. The bearing bushing is provided with a support element which has an end region spaced from the bearing bushing that is supported on the tie rod. | 05-26-2011 |
| 20110120805 | GEAR OIL CHAMBER - A transmission oil sump comprises a main oil compartment, in which a suction line of an oil pump is located, and a secondary oil compartment. The secondary oil compartment is in fluid communication with the main oil compartment via an opening. To prevent the introduction of air during rapid acceleration, cornering at high speeds and/or rapid deceleration of the vehicle, a barrier closes the opening to prevent the flow of oil out of the main oil compartment into the secondary oil compartment so that the oil level, required for the oil pump in the main compartment, remains adequately high. When not closed, the opening of the secondary oil compartment is open to ensure oil flow from the secondary oil compartment to the main oil compartment. The secondary oil compartments is arranged so as to collect oil that leaks from transmission components. | 05-26-2011 |
| 20110120790 | METHOD FOR OPERATING A DRIVE TRAIN - A method for operating a drive train of a motor vehicle comprising a hybrid drive including a combustion engine and electric motor, a clutch connected between the engine and motor, a transmission arranged between the hybrid drive and a drive output, and a transmission starting element. The method comprises the steps of engaging the clutch, from its fully disengaged condition, into a slipping condition and disengaging the starting element, starting from a fully engaged condition, into a slipping condition. Once the engine begins rotation, the clutch is maintained in the slipping condition until the rotational speeds of the engine and the motor correspond with one another. Then the clutch is completely engaged; the transmission starting element, from the slipping condition, is completely re-engaged when a difference between the drive output speed and the engine or electric motor speed reaches or exceeds a specified value. | 05-26-2011 |
| 20110120568 | HYDRAULIC SYSTEM OF A TRANSMISSION UNIT, COMPRISING A MAIN TRANSMISSION PUMP AND AN AUXILIARY PUMP - A hydraulic system of a transmission comprises a main transmission pump that can be driven by torque transmitted via the transmission unit and with an auxiliary pump that can be driven by an electric machine, by which primary and secondary pressure circuits can be supplied with hydraulic fluid. Pressure sides of the main transmission pump and the auxiliary pump are connected to the primary pressure circuit upstream of a pressure relief valve provided for adjusting a main pressure in the primary pressure circuit. The pressure relief valve is arranged between the pressure sides of the main transmission pump and the auxiliary pump and the secondary pressure circuit. The pressure side of the auxiliary pump can be actively connected with the secondary pressure circuit, via a hydraulic line which can be blocked in the direction toward the primary and secondary pressure circuits, and which bypasses the pressure-relief valve. | 05-26-2011 |
| 20110118070 | TRANSMISSION DEVICE COMPRISING A TRANSMISSION HOUSING - A transmission device ( | 05-19-2011 |
| 20110116859 | DEVICE FOR MOUNTING A HYBRID TRANSMISSION ON AN INTERNAL COMBUSTION ENGINE - A device for mounting a hybrid transmission, comprising a transmission unit and a hybrid module, onto an internal combustion engine, namely, for coupling a transmission shaft ( | 05-19-2011 |
| 20110114438 | Friction Disk For A Wet-Running Clutch For A Motor Vehicle - A friction disk for a wet-running clutch for a motor vehicle includes a lining carrier ring, provided with connecting areas for connecting the friction disk to a drive side or to a takeoff side of a clutch, and a plurality of friction lining elements, carried on at least one side of the lining carrier ring, fluid flow channels are provided between the friction lining elements which are directly adjacent to each other in the circumferential direction, wherein at least some of the fluid flow channels have different channel widths. | 05-19-2011 |
