ZF FRIEDRICHSHAFEN AG Patent applications |
Patent application number | Title | Published |
20160133403 | Key Tappet For A Key Module Of A Key For A Keyboard, Key Module Of A Key For A Keyboard And Method For Producing It - The invention proposes a key tappet for a key module of a key for a keyboard. The key tappet comprises a coupling section for coupling a key button and a guiding section for guiding the key tappet in a receiving section of the key module upon actuation of the key tappet. The guiding section has at least one sliding section to slide in the receiving section of the key module during the actuation of the key tappet. Demolding fins caused by demolding of the key tappet are arranged outside the at least one sliding section. | 05-12-2016 |
20160131227 | Multi-Stage Planetary Transmission - A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive and a second shaft is provided as an output that is axially parallel to the drive. Three planetary gear sets and additional shafts, along with six shifting elements, are provided, through which the actuation of several gears can be realized. Machine elements are provided for the transfer of torque between the drive and the output. The first shaft is connectable, as the drive, to the sun gear of the second planetary gear set, to the sun gear of the first planetary gear set, to the planetary gear carrier of the second planetary gear set, to the planetary gear carrier of the first planetary gear set, and to the first machine element. The second shaft is connected or connectable, as a drive, to the first machine element and to the second machine element. | 05-12-2016 |
20160131226 | Multi-Stage Planetary Transmission - A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive (An) and a second shaft is provided as an output (Ab) that is axially parallel to the drive. Three planetary gear sets and additional shafts, along with six shifting elements are provided, through which the actuation of several gears are realized. Machine elements are provided for transfer of torque between the drive (An) and the output (Ab). The first shaft, as a drive, is connectable to the planetary gear carrier of the third planetary gear set, to the ring gear of the first planetary gear set, to the sun gear of the second planetary gear set, to the ring gear of the third planetary gear set, to the ring gear of the second planetary gear set, and to the first machine element. The second shaft is connected or connectable, as a drive (Ab), to the first machine element and to the second machine element. | 05-12-2016 |
20160129982 | BOAT DRIVE - A boat drive including combustion engine located within the hull and a drive unit located outside the hull. The drive has a propeller shaft and an exhaust system with an exhaust duct and an outlet. The exhaust duct connects the engine to the exhaust outlet for carrying away exhaust gases from the engine and cooling water introduced into the exhaust duct. The exhaust outlet is arranged in the propeller shaft. A first exhaust release opening is arranged in the exhaust duct, between the engine and the exhaust outlet, so that during operation, a first fraction of the exhaust gases and cooling water is discharged through the first exhaust release opening, while a second fraction of the exhaust gases and the cooling water is discharged through the exhaust outlet. A device is provided for adjusting the first fraction that can be discharged through the first exhaust release opening. | 05-12-2016 |
20160055988 | A KEY MODULE FOR A KEY OF A KEYBOARD AND A METHOD FOR MANUFACTURING A KEY MODULE FOR A KEY OF A KEYBOARD - The invention proposes a key module for a key of a keyboard. The key module includes a module base, a module cover that can be coupled with the module base and a key tappet for coupling a keycap that is translucent in at least one symbol section. The module base includes at least one through-hole between a bottom section of the key module and the module cover. The module cover includes a section that is translucent for the light from a light source. The light source is a color-changeable light source for backlighting the symbol section of the keycap. The translucent section of the module cover is aligned with the at least one through-hole when the module cover is coupled to the module base. | 02-25-2016 |
20160053869 | Transmission for a Motor Vehicle - Transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the third planetary gear set and to the planetary carrier of the fourth planetary gear set, whereas the first brake is connected to the ring gear of the first planetary gear set and to the planetary carrier of the second planetary gear set, whereas the second brake is connected to the sun gear of the first planetary gear set, and whereas the planetary carrier of the first planetary gear set is connected to the sun gear of the fourth planetary gear set. | 02-25-2016 |
20160053868 | Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-clutch transmission for a motor vehicle, comprising the elements of drive shaft, several planetary gear sets, whereas one planetary gear set comprises the planetary elements of a sun gear, one or more planetary gears, one bar and one ring gear, N shift elements, comprising several clutches, whereas N is a whole number greater than four, and an output shaft, whereas, by means of at least one of the N shift elements, the drive shaft is connectable to the output shaft for the presentation of various gears by means of at least one of the planetary transmissions, whereas the N shift elements comprise at least M brakes and N−M clutches, whereas M is a whole number greater than or equal to one, and whereas at least (N−M)/2 clutches work together with the drive shaft and/or the output shaft. | 02-25-2016 |
20160053867 | Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements, whereas six shift elements are formed in the form of at least three clutches and at least two brakes, and the drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set and through the second brake to the housing, and the drive shaft is connectable through the third clutch to the first brake and to the sun gear of the first planetary gear set. | 02-25-2016 |
20160052381 | Method for Operating a Drive Unit for a Hybrid Vehicle - Method for operating a drive unit for a hybrid vehicle, whereas the drive unit comprises a drive assembly ( | 02-25-2016 |
20160049264 | KEY STEM FOR A KEY MODULE OF A KEY FOR A KEYBOARD, KEY MODULE OF A KEY FOR A KEYBOARD, AND METHOD FOR MANUFACTURING A KEY MODULE FOR A KEY FOR A KEYBOARD - A key stem for a key module of a key for a keyboard is proposed. The key stem has a coupling section for coupling a key button thereto, and a guidance section for guiding a key stem into a receiving section of the key module when the key stem is actuated between a standby position and an actuation position. The key stem includes at least one elastically deformable end stop element, which is disposed on the guidance section and is designed to bear against at least one end stop section of the key module when the key stem is actuated into the actuation position. The key stem also includes at least one elastically deformable return stop element, which is disposed on the guidance section and is designed to bear against at least one return stop section of the key module when the key stem has been actuated back into the standby position. | 02-18-2016 |
20160047442 | Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least three clutches and at least three brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set, and the planetary carrier of the first planetary gear set is connected to the second brake, and the ring gear of the first planetary gear set is connected to the planetary carrier of the fourth planetary gear set, and the planetary carrier of the fourth planetary gear set is connected to the sun gear of the third planetary gear set, and the sun gear of the fourth planetary gear set is connected to the third brake and the planetary carrier of the third planetary gear set is connected to the output shaft, and the ring gear of the third planetary gear set is connected to the ring gear of the fourth planetary gear set, and the third clutch is connected to the first brake, and the third clutch is connected to the sun gear of the first planetary gear set | 02-18-2016 |
20160046323 | SENSOR DEVICE AND METHOD FOR DETERMINING A STEERING ANGLE OF A VEHICLE AND DRIVER ASSISTANCE SYSTEM FOR A VEHICLE - A sensor device ( | 02-18-2016 |
20160040757 | Transmission for a Motor Vehicle - The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes, whereas the drive shaft is connectable through the third clutch to the first brake and to the sun gear of the first planetary gear set and to the sun gear of the second planetary gear set, and whereas the ring gear of the first planetary gear set is connected to the planetary carrier of the fourth planetary gear set, and whereas the planetary carrier of the fourth planetary gear set is connectable through the fourth clutch to the drive shaft, and whereas the sun gear of the fourth planetary gear set is connected to the housing, and whereas the second brake is connected to the planetary carrier of the first planetary gear set. | 02-11-2016 |
20160025189 | VEHICLE TRANSMISSION - A vehicle transmission having first and second transmission input shafts (GE | 01-28-2016 |
20160003329 | Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design with a housing is proposed. A first shaft ( | 01-07-2016 |
20160001625 | ROTARY DAMPER FOR A VEHICLE - A rotary damper for a vehicle, for damping relative movements between vehicle wheels and the vehicle body. The damper has at least one gear assembly that converts the relative movement into rotation movement and is connected to at least one electric machine ( | 01-07-2016 |
20150377325 | Multi-Stage Planetary Transmission - A multi-speed transmission in planetary design for a vehicle with a housing ( | 12-31-2015 |
20150362008 | JOINT DEVICE FOR A MOTOR VEHICLE - A joint device ( | 12-17-2015 |
20150354991 | COIL ARRANGEMENT HAVING TWO COILS - A cod arrangement, in particular for a position sensor, has a first coil ( | 12-10-2015 |
20150353135 | SUPPORT STRUCTURE AND METHOD OF PRODUCING A SUPPORT STRUCTURE - A support structure ( | 12-10-2015 |
20150345603 | TRANSMISSION FOR A MOTOR VEHICLE - A motor vehicle transmission having at least two sub-transmissions, each with at least one input shaft. The input shafts are arranged on an input side on an input axis. The two sub-transmissions have a single output shaft. A countershaft assembly having two countershafts aligned on a countershaft axis. A main shaft arranged on the input axis can be connected, via range groups, to the output shaft. At least one of the input shafts can connect to the output shaft via at least one of a gear plane, a shift element and the main shaft. At least three shift devices are arranged with at most one of the shift devices is arranged on the countershaft axis. The first three shift devices are arranged, relative to torque flow, downstream of the input side of the transmission on the input axis. | 12-03-2015 |
20150337944 | METHOD FOR PROTECTING FROM DAMAGE DURING TRANSPORT OF TRANSMISSIONS - A method for protecting transmissions against damage during transport, in that at least one transmission component located in the force flow is braced in itself. Thereafter, transporting the transmission to a desired site and then removing the brace to free the drive input and the drive output shafts. | 11-26-2015 |
20150337892 | BALL JOINT - A ball joint, in particular, an axial joint, having a ball stud, which is enclosed in a ball socket. The ball socket is enclosed in a joint housing and is integrally formed having at least one spring element in a region of the ball socket that faces away from the opening of the joint housing. The spring element has discontinuities, in particular in the form of slots, so that wear compensation is created by the spring element within the ball joint. | 11-26-2015 |
20150328946 | LINKAGE DEVICE FOR A MOTOR VEHICLE - A joint device ( | 11-19-2015 |
20150322999 | JOINT DEVICE FOR A MOTOR VEHICLE - A joint device ( | 11-12-2015 |
20150298768 | HULL WITH OPENING IN THE FLOOR FOR A BOAT DRIVE - A boat hull ( | 10-22-2015 |
20150292606 | DUAL CLUTCH GEARBOX WITH COUNTERSHAFT DESIGN - A dual-clutch transmission of a countershaft design includes a main transmission and a downstream group transmission. The main transmission has a solid first transmission input shaft connected to the output of a first powershiftable clutch, a hollow second transmission input shaft connected to the output of a second powershiftable clutch/electric machine, through which the first transmission input shaft extends, and two countershafts arranged coaxially with one another. The first countershaft is a hollow shaft and the second countershaft passes through the first countershaft. A drive output shaft of the main transmission is arranged coaxially with the two transmission input shafts and is the drive input shaft of the group transmission. The drive input sides of the powershiftable clutches/machines are connected to a drive aggregate, and to bridge across the group transmission, the second countershaft can be connected via a shifting element to the group transmission drive output. | 10-15-2015 |
20150292588 | BASE ELEMENT - A base element for fastening a component to fastening holes which are made in a metallic base body is coated with an elastomer. The base element may be provided with an anti-corrosion coating, but can nevertheless be adapted individually for different installation situations and can be produced economically. Fastening holes may form at least two holes patterns and at least one of the hole patterns is rendered unusable by way of the formation of the elastomer on the base body. | 10-15-2015 |
20150288269 | INDUCTION GENERATOR AND METHOD FOR GENERATING AN ELECTRIC CURRENT USING AN INDUCTION GENERATOR - An induction generator ( | 10-08-2015 |
20150285351 | DEVICE AND METHOD FOR SELECTING A SWITCH POSITION - The present disclosure provides a device for selecting a desired switch position out of a plurality of switch positions, and a switch position depends on a position of at least one locking bolt relative to a snap-in cam, with a support member for a control element. The support member is arranged below a user interface and rotatable around a shaft relative to the locking bolt. The snap-in cam is designed in the support member, and a Maltese cross transmission structure is formed in the support member. A drive device is in engagement with the Maltese cross transmission structure so as to rotate the support member with the snap-in cam around the shaft relative to the locking bolt depending on the desired switch position. | 10-08-2015 |
20150276002 | Damping Valve Arrangement With A Multistage Damping Force Characteristic - A damping valve arrangement for a vibration damper has a main valve body, a first auxiliary valve body and a second auxiliary valve body with at least two through-flow channels connected hydraulically in parallel for a flow direction of a damping medium. Outlet cross sections of the at least two through-flow channels are influenced by at least one valve disk. The valve bodies are axially fastened to a shared support that extends through the valve bodies and at least one through-flow channel is formed at the support. A first auxiliary valve including the first auxiliary valve body and at least a first valve disk and a second auxiliary valve including the second auxiliary valve body and a, separate valve disk connected through a shared through-flow channel and are hydraulically connected in series such that the amount of damping medium flowing through the second auxiliary valve is limited by the first auxiliary valve. | 10-01-2015 |
20150240790 | GEARBOX UNIT WITH GEAR CARRIER - A transmission unit ( | 08-27-2015 |
20150217806 | CRAWLER-TYPE VEHICLE - A tracked vehicle ( | 08-06-2015 |
20150211608 | GEAR UNIT FOR A COMPOUND TRANSMISSION - A gear unit for a compound transmission has a planetary stage that couples an input and an output shaft for different transmission ratios. The planetary stage includes a sun gear, a ring gear and planet gears rotatably supported at a planet carrier. The planet gears have a region with two different toothings arranged axially offset with respect to an axis of rotation of the planetary stage. A meshing engagement with a first sun gear and/or a first ring gear is produced via the first toothing. The planet gears mesh at the second toothing with a second sun gear and/or a second ring gear, and one component of the planetary stage is connected to the input shaft to be fixed with respect to rotation and one component is fixed at a housing, while the rest of the components can be coupled with the output shaft, respectively. | 07-30-2015 |
20150158361 | FOUR-POINT LINK - A four-point link for the suspension of a rigid axle which has four bearing seats. Two bearing seats can be articulated on the axle and two can be articulated on the vehicle frame. The link has a single-piece link body which is inscribed by the trapezoid formed by the bearing seats. The link body is formed of a fiber-composite arrangement that comprises at least one longitudinal fiber arrangement. The longitudinal fiber arrangement encases the bearing seat, at least along half circumference thereof and extends along at least a portion of the link body in order to optimize loading, reduce mass and increase its application. Torsional compliance makes it possible to use relatively small and/or hard rubber bearings for articulating the four-point link or the vehicle axle. | 06-11-2015 |
20150141195 | MULTI-SPEED GEARBOX - Multi-stage transmission comprises four planetary gear sets, rotatable shafts and six shift elements. Sun of first set is connected to fifth shaft which is connectable, via first clutch, to drive shaft and is couplable, via third brake, to housing. Drive shaft is connectable, via second clutch, to seventh shaft which is connectable to carrier of fourth set and ring of third set and is connectable, via third clutch, to eighth shaft which is connected to sun of second. Sixth shaft is connected to ring of first set, carrier of second set and ring of fourth set. Third shaft is connected to sun of third set and sun of fourth set and can be coupled, via first brake, to housing. Fourth shaft is connected to carrier of first set and ring of second set and is couplable, via second brake, to housing. Drive shaft is connected to carrier of third set. | 05-21-2015 |
20150119187 | MULTI-SPEED GEARBOX - Multi-stage transmission comprising four planetary gear sets, eight rotatable shafts and six shift elements. Sun of first set is connected to eighth shaft connected to sun of second set and is connectable, via third clutch, to drive shaft. Drive shaft is connectable, via first clutch, to fourth shaft connected to carrier of first set and is couplable, via second brake, to housing. Drive shaft is connectable, via second clutch, to seventh shaft connected to carrier of fourth set and ring of third set, Sixth shaft is connected to ring of first set, carrier of second set and ring of fourth planetary gear set. Third shaft is connected to sun of third set and sun of fourth set and is couplable, via first brake, to housing. Fifth shaft is connected to ring of second set and is couplable, via third brake, to housing. Output shaft is connected to carrier of third set. | 04-30-2015 |
20150111687 | MULTI-SPEED GEARBOX - Multi-stage transmission comprising four gear sets, eight rotatable shafts and six shift elements. Eighth shaft is connected to suns of first and second sets and is connectable, via third clutch, to drive shaft. Drive shaft is connectable, via first clutch, to fourth shaft connected to ring gear of first set and couplable, via second brake, to housing. Drive shaft is connectable, via second clutch, to seventh shaft connected to carrier of second set and ring gear of third set. Sixth shaft is connected to ring gear of second set and carrier of fourth set and third shaft is connected to sun of third set and is couplable, via first brake, to housing. Fifth shaft is connected to carrier of first set and sun of fourth set and is couplable, via third brake, to housing. Output shaft is connected to carrier of third set and ring gear of fourth set. | 04-23-2015 |
20150080169 | POWERSHIFT TRANSMISSION - An automatic powershift transmission having a variable-speed transmission ( | 03-19-2015 |
20150069688 | VIBRATION DAMPER FOR A MOTOR VEHICLE - A vibration damper for a motor vehicle includes at least one cylinder tube with a longitudinal extension axis and a support spring, wherein the support spring has a first end portion and a second end portion, the support spring surrounds the cylinder tube in circumferential direction and is axially supported by the first end portion indirectly at a supporting device of the motor vehicle with respect to the longitudinal extension axis of the cylinder tube, and wherein the support spring is axially supported by its second end portion at the cylinder tube of the vibration damper. The cylinder tube has a spring disk which is formed integral with the cylinder tube, is formed out of the cylinder tube, and has a supporting surface for an end coil of the support spring. | 03-12-2015 |
20150061647 | METHOD FOR CALIBRATING A MEASURING DEVICE FOR INSPECTING SURFACES ON THE BASIS OF BARKHAUSEN NOISES FOR A SPECIFIED COMPONENT GEOMETRY - A method for enhancing inspection of components of specific geometry based on Barkhausen noises. The method includes specifying a first calibration curve that is independent of the component geometry, which describes the relationship between surface hardness values and measured Barkhausen noise signals. A first noise signal is determined by the measuring device for a reference component having the specified geometry and a first hardness value. A second noise signal is determined for a second reference component, having the specified geometry and a second hardness value lower than the first. A second calibration curve is determined, in which the first calibration curve is fitted to the first noise signal at the first hardness value and to the second noise signal at the second hardness value, such that using the second calibration curve, the measured noise signal of a component having the specified geometry relates with a surface hardness value. | 03-05-2015 |
20150053522 | STARTER AND RETARDER ELEMENT, AND METHOD FOR OPERATING A STARTER AND RETARDER ELEMENT - A start-up and retarder element having a hydrodynamic transfer element ( | 02-26-2015 |
20150051043 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including drive and output shafts, planetary gearsets, gear stage, shift elements and shafts. The drive shaft couples the carrier of gearset (P | 02-19-2015 |
20150047016 | IDENTIFICATION TECHNIQUE - A technique for user identification based on a user input. As to one aspect of the technique, a device ( | 02-12-2015 |
20150046362 | DELIVERY FORECASTING SYSTEM - Described are a system and methods for forecasting a delivery time and updating the forecasted delivery time of an object when a delay occurs. The delay of delivery may be determined based on information of a delivery vehicle provided by an on-board device or delivery status of the object stored in a delivery server. A historic delivery time to a place corresponding to the destination of the object or data collected from an outside service provider may be used for detecting delay condition of the delivery. A delivery service provider, a sender or a recipient may be notified of the delay or an updated delivery time. | 02-12-2015 |
20150046046 | SYSTEM FOR DETECTING VEHICLE DRIVING MODE AND METHOD OF CONDUCTING THE SAME - The present application is related to an vehicle driving mode detection system. The system may comprise a sensor interface and a processor. The sensor interface may be configured to receive measurement data associated with a plurality of operating parameters of a vehicle; and send the measurement data to a processor. The processor may be configured to execute a set of instructions stored in a computer-readable storage medium to receive the measurement data from the sensor interface; determine a driving mode of the vehicle based on the measurement data; compare the driving mode of the vehicle with a first reference driving mode of the vehicle; produce an alert signal when the driving mode is substantially different from a first reference driving mode; and send the alert signal to an information center remote to the sensor unit when a predetermined condition occurs. | 02-12-2015 |
20150042479 | SYSTEM AND METHOD FOR EARLY WEATHER ALERT - An early alert system may comprise a data processing unit and a plurality of monitoring units distributed in a defined area. Each of the plurality of monitoring units is configured to detect physical information associated with a fluid. The data processing unit is configured to receive physical information associated with a fluid from a plurality of monitoring units that are distributed in a defined area; calculate a flow field associated with the fluid within the defined area based on the physical information associated with the fluid that is received from the plurality of monitoring units; predict future physical information associated with the fluid at a target coordinate in the defined area based on the flow field; and send a message associated with the predicted future physical information to a receiver upon receipt of a trigger signal associated with the predicted future physical information. | 02-12-2015 |
20150042472 | NON-BATTERY POWERED WIRELESS SECURITY SYSTEM - A non-battery powered wireless security system may include one or more sensors. Each sensor may include a switch and a generator that creates electrical energy upon activation or motion of the switch in response to a change in condition of the location of the sensor. The system may utilize the electrical energy to transmit a security event signal to a receiver based on characteristics associated with the sensor, such as movement of the switch, location of the sensor, and time of sending the signal. | 02-12-2015 |
20150042470 | NON-BATTERY OPERATED PERSONAL EMERGENCY RESPONSE SYSTEM - A personal emergency response system may include an actuator with a generator that creates electrical energy upon activation or motion of the switch. The system may utilize the electrical energy to transmit an emergency alert signal to a receiver based on characteristics of the switch, such as movement of the switch, location of the switch, and time of sending the signal. | 02-12-2015 |
20150040840 | NON-BATTERY POWERED ANIMAL TRACKING SYSTEM - An animal tracking system may include an actuator with a generator that creates electrical energy upon motion of the actuator. The system may utilize the electrical energy to transmit a signal to determine the location of an animal. The system also utilizes the electrical energy to notify the animal when it reaches a predefined location. | 02-12-2015 |
20150033905 | Control pedal, in particular for a motor vehicle - The invention relates to a control pedal ( | 02-05-2015 |
20150031502 | METHOD FOR OPERATING A DRIVE TRAIN AND CONTROL DEVICE - A method for operating a drive train of a hybrid vehicle with a hybrid drive comprising at least an electric machine and an internal combustion engine, wherein an automated manual transmission is connected between the internal combustion engine and an output, wherein the electric machine is coupled via a friction clutch to a shaft of the automated manual transmission. Wherein in the automated manual transmission, by interruption of the drive torque provided by the hybrid drive on the output, shifts are executed in such a way that in a first phase the drive torque provided at the output is first reduced, subsequently in a second phase the actual gear shift is executed and following that in a third phase drive torque is built up at the output. Wherein for execution of the actual shift after a gear disengagement of an actual gear of the shift and before a gear engagement of a target gear of the shift, the automated manual transmission is synchronized using a flywheel mass of the electric machine such that, when the friction clutch is opened, the rotational speed of the electric machine is brought to an inertial rotational speed and that subsequently the friction clutch is first closed to the inertial synchronization of the manual transmission and subsequently at least partially opened again. | 01-29-2015 |
20150018165 | MULTI-RATIO TRANSMISSION - A multistage transmission with eight forward and one reverse gear, including input and output shafts, planetary gearsets, gear stages, shift elements and shafts. The input shaft couples the carrier of gearset (P | 01-15-2015 |
20150018164 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear, including input and output shafts, planetary gear sets, gear stages shift elements and shafts. The input shaft couples the carrier of gearset (P | 01-15-2015 |
20150018161 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with nine forward and one reverse gear includes four planetary gearsets, shafts and shifting elements. The sun gear of gearset (P | 01-15-2015 |
20150018157 | MULTI-RATIO TRANSMISSION - A transmission with nine forward and one reverse gear having four planetary gearsets, eight shafts and six shifting elements. The sun gears of gearsets (P | 01-15-2015 |
20150011352 | MULTI-RATIO TRANSMISSION - A multi-stage transmission with eight forward and one reverse gear including planetary gearsets, shafts, and shift elements. The sun gear of gearset (P | 01-08-2015 |
20140378268 | MULTI-RATIO TRANSMISSION - A multi-stage transmission having eight forward and one reverse gear including planetary gears, shafts, and shift elements. The sun gear of gearset (P | 12-25-2014 |
20140377068 | ROTOR BLADE CONTROL DEVICE - Rotor blade control device for a helicopter, consisting of a swash plate disk, the swash plate disk consisting of a non-rotating part of the swash plate disk, which is stationary stationarily coupled to the helicopter, a rotating part of the swash plate disk, at least three actuators which are arranged around a rotor shaft axis of the helicopter, a coupling element between actuator and the non-rotating part of the swash plate disk. The coupling element can be adjusted in its tilt, in order to change the position of the crosspoint at the non-rotating part of the swash plate disk alongside the rotor shaft axis by means of the actuator through a control shaft, in order to adjust the rotor blades. Here, the coupling element is made up in a rigid way, and the actuators are arranged onto the stationary component being able to pivot around a respective swivel axis. Further, the first crosspoint has a radial distance to the swivel axis, whereby the control axis and the swivel axis are arranged in such a way toward each other, that the radial distance of the first crosspoint to rotor shaft axis changes with the swivel movement of actuator around swivel axis. | 12-25-2014 |
20140364271 | TRANSMISSION FOR A MOTOR VEHICLE - A transmission having input and output shafts, shifting elements and planetary gearsets including sun and ring gears, planetary gearwheels and a carrier. The carrier of the first gearset is fixed to the input. The ring gear of the second gearset can be connected by a first shifting element to the housing and by a second shifting element to the carrier of the second gearset. The ring gear of the first gearset is fixed to the sun gear of the second gearset. The sun gear of the first gearset can be connected by a third shifting element to the housing, or is fixed to the sun gear of the second gearset and the ring gear of the first gearset can be connected by a third shifting element fixed to the housing. The shifting elements are arranged within the housing and accessible from outside the housing. | 12-11-2014 |
20140364269 | TRANSMISSION FOR A MOTOR VEHICLE - A motor vehicle transmission having a housing, input and output shafts, shifting elements, a first planetary gearset having sun, ring and planet gears and a carrier and a second planetary gearset having planet gears and carriers that are rigidly coupled. The carriers of the first and the second gearsets are fixed, respectively, to the output and input shafts. A sun gear of the second gearset can be connected by a first shifting element to the housing and by a second shifting element to the input shaft. The ring gear of the first gearset can be connected by a third shifting element to the housing and by a fourth shifting element to the carrier of the first planetary gearset. The sun gear of the first gearset and ring gear of the second gearset are rigidly coupled, and the shifting elements are arranged in the housing and are accessible from the outside. | 12-11-2014 |
20140345959 | Apparatus for Cooling Electric Motors - A device for propelling a vehicle includes at least two electric motors, whereas each of the electric motors is equipped with a cooling device. The cooling device includes at least one cooling fluid line, whereas the cooling fluid lines are connected to the two cooling devices through a common cooling fluid connection line. | 11-27-2014 |
20140329633 | POWERSHIFT TRANSMISSION FOR A MOTOR VEHICLE AND METHOD FOR CONTROLLING A POWERSHIFT TRANSMISSION - A motor vehicle powershift transmission which comprising two partial transmissions (TG | 11-06-2014 |
20140329607 | SPRING AND SYSTEM - A spring includes at least one spring portion that extends over an arc of at least 90° when projected onto a cross-sectional area perpendicular to a force direction of the spring in an unloaded condition thereof. The spring portion has an elliptical shape in the projection. A system including one or more springs is also described. | 11-06-2014 |
20140319876 | DRIVER'S CAB SUSPENSION DEVICE WITH ROLL STABILIZING MEANS - A suspension system for the resilient/damped suspension of a driver's cab of a motor vehicle relative to the vehicle chassis. The suspension system has a spring/damper arrangement and a hydraulic arrangement with hydraulic cylinders on the right and left sides, relative to the driving direction. The hydraulic cylinders are connected in a cross-over manner to form a roll stabilizing device. The suspension system has an upper cross-bridge that is arranged on the driver's cab and a lower cross-bridge that is arranged on the vehicle chassis. The spring/damper arrangement and the hydraulic arrangement are positioned between and connected to the upper and lower cross-bridges. | 10-30-2014 |
20140315685 | METHOD FOR OPERATING A VEHICLE DRIVE TRAIN - A method of operating a vehicle drive-train including a drive engine, a transmission device and a drive output. At least one shifting element is provided in the transmission, whose transmission capacity for obtaining an operating condition of the transmission device can at least, in part, be continuously varied. During overdrive operation of the drive-train, torque present at the output can be supported at least partially by the transmission device in the area of the drive engine. During overdrive operation, the transmission capacity of one of the transmission shifting elements, which to obtain the current operating condition of the transmission device is essentially at least approximately zero, is set to a value at which at least part of the torque present at the drive output can be supported in the area of the transmission device, and the rotational speed of the drive engine has a value below a predefined limit value. | 10-23-2014 |
20140311285 | DEVICE INCLUDING A GEAR UNIT AND AN ELECTRIC MACHINE FOR A HYBRID DRIVE AND HYBRID DRIVE - A device includes a transmission and an electric machine for a hybrid drive of a motor vehicle, and the transmission includes first and second subtransmissions. The substransmissions each have an input shaft and they share an output shaft. The input shafts of the subtransmissions can be selectively coupled to the output shaft via form locking clutches of the subtransmissions. In particular, a first input shaft of the first subtransmission is allocated to a first friction locking clutch while a second input shaft of a second subtransmission is allocated to a second friction locking clutch. Furthermore, a third clutch is incorporated between an input drive side clutch half of the first friction locking clutch and an input drive side clutch half of the second friction locking clutch. | 10-23-2014 |
20140309901 | CONTROL DEVICE OF A MOTOR VEHICLE AND METHOD FOR OPERATING SAME - A control device for a motor vehicle such that during a driving direction change from an original direction and/or during a starting process and/or during a stopping process and/or during a rolling process, in order to assist with the driving direction change and/or starting process and/or stopping process and/or rolling process, an appropriate control signal is provided by the control device to automatically activate a service brake. The control device automatically determines the friction energy produced at a starting clutch, during the driving direction change and/or starting process and/or stopping process and/or rolling process, without activation of the service brake. The control device only automatically activates the service brake, to assist with the driving direction change and/or starting process and/or stopping process and/or rolling process, if the determined friction energy exceeds a limit value. | 10-16-2014 |
20140309785 | Controller for Operation of an Actuator - A control unit for operating an actuator has at least one reception device for receiving a first target value (REQ) for the actuator, an information storage for storing at least one second target value (TGT) and one third target value (MEM) for the actuator, an issuing device for issuing the stored second target value (TGT) to the actuator, a counter for determining, in a step A, whether a time period has expired, a comparing device for comparing, in a step B, the first target value (REQ) received by the receiving unit with the third target value (TGT) stored in the information storage. If it is determined in step A that the time period has not yet expired, and if it is determined in step B that the first target value (REQ) does not correspond to the stored third target value (MEM), in a step C, the value of the second target value (TGT) is stored in the information storage as the third target value (MEM), and the value of the first target value (REQ) is stored in the information storage as the second target value (TGT). | 10-16-2014 |
20140305243 | Valve System for Controlling a System Pressure Control System - A valve system for controlling a system pressure control system, in particular a hydraulic control unit of an automatic transmission, includes a multi-stage system pressure valve, a pilot valve and a control valve with a control piston downstream from the pilot valve that governs the pressure at a differential area of the system pressure valve, depending on the pilot pressure. The pilot pressure/system pressure characteristic curve features a continuous development, and whereas, from a predefined pilot pressure, on the basis of a sudden change to the dependency of the change to the system pressure as a function of the change to the pilot pressure, the gradient of the system pressure as a function of the pilot pressure is significantly steeper than that prior to the predefined pilot pressure. | 10-16-2014 |
20140294487 | CONNECTING ASSEMBLY FOR A VEHICLE - A connecting assembly for a vehicle, with a structural component ( | 10-02-2014 |
20140290404 | PROCEDURE FOR ENGAGING A FORM-LOCKING SHIFT ELEMENT TO REALIZE A GEAR IN AN AUTOMATIC TRANSMISSION, WHEREAT AT LEAST ONE FURTHER FRICTION SHIFT ELEMENT IS TO BE ENGAGED TO REALIZE THE GEAR TO BE ACTIVATED - A method of engaging a form-interlocking shifting element to obtain a gear in an automatic transmission in which at least one further, frictional shifting element is involved in obtaining the gear to be engaged and a shifting element, not involved in obtaining the gear to be engaged but which serves as a synchronizing shifting element, is actuated in order to synchronize the interlocking shifting element to be engaged. The further, frictional shifting element, involved in engaging the gear, is engaged and then disengaged, to a defined extent, to bring the frictional shifting element to a slipping condition, in order to ensure the engagement of the interlocking shifting element. | 10-02-2014 |
20140284166 | SHIFTING DEVICE OF A MOTOR VEHICLE TRANSMISSION - A shifting device of a motor vehicle transmission having a driveshaft ( | 09-25-2014 |
20140274554 | PROCEDURE FOR OPERATING DECELERATING DOWNSHIFTS WITH THE PARTICIPATION OF A FORM-LOCKING SHIFT ELEMENT OF AN AUTOMATIC TRANSMISSION COMPRISING A TORQUE CONVERTER LOCKUP CLUTCH - A method of carrying out coasting downshifts that involve an interlocking shifting element in an automatic transmission having a torque converter lockup clutch. At the beginning of the coasting downshift, positive action is taken on the torque. The method including the steps of, at the beginning of the coasting downshift, the torque converter lockup clutch is fully or partially disengaged so that the drive-train is fully or partially decoupled from the drive aggregate, and action upon the torque is carried out in such manner that the engine rotational speed only falls below the turbine rotational speed once the synchronous point for the interlocking shifting element is reached. | 09-18-2014 |
20140274523 | SPLIT AXIS TRANSMISSION HYBRID SYSTEM ARCHITECTURE - A split-axis transmission hybrid system may include two planetary gear sets to provide two parallel torque paths from an input axis to an output axis. A secondary power source may be coupled to either the input axis or the output axis to provide torque to the system. Thus, the split-axis transmission hybrid system may provide the ratio preselection capability and the low power losses of a dual-clutch transmission and the ratio-changing control and smoothness of a traditional powershift automatic transmission, while also providing the improved efficiency and enhanced drivability of a hybrid power source arrangement. | 09-18-2014 |
20140265640 | Switching Module for a Switch, Switch, Method for Indicating an Actuation of a Switch and Method for Controlling a Device - A switching module for a switch includes a housing configured to execute a switching movement when the switch is actuated. The switching module also includes an actuator, which is disposed in the housing and is configured to execute an actuation movement that can be controlled by a control contour. Moreover, the switching module includes an energy converter, which is disposed in the housing and is configured to provide an electrical pulse when powered by the actuation movement of the actuator. Furthermore, the switching module includes a switch unit for emitting a switching signal based on the electrical pulse, for indicating the switching movement of the housing. | 09-18-2014 |
20140264112 | Device for Controlling a Flow of Coolant and/or Lubricating Oil - The invention relates to a device for controlling at least one cooling oil flow and/or lubricating oil flow by means of at least one valve ( | 09-18-2014 |
20140259143 | COMMUNICATION SYSTEM FOR A MOTOR VEHICLE - A communication system for a motor vehicle comprises a telemetry terminal with a plurality of interfaces, a motor vehicle control device terminal, a bus by means of which the telemetry terminal and the motor vehicle control device terminal are communicating with each other, and a firewall which monitors the communication between the telemetry terminal and the motor vehicle control device terminal. | 09-11-2014 |
20140252738 | Drive Axle for an Industrial Truck - A drive axle for industrial trucks is, by fastening mechanisms, on the one hand able to be connected to the vehicle frame and, on the other hand, connected to the axle housing. Flexible elements that take effect in the main directions of force in such a manner that they are mainly subject to pressure are arranged between the fastening mechanisms and the axle housing. | 09-11-2014 |
20140248987 | PLANETARY TRANSMISSION - The invention relates to a planetary transmission for a hybrid drive of a motor vehicle, having three coupled planetary gear sets, having numerous shift elements, and having at least one electric machine, to which a shaft inside the transmission is allocated, wherein, with a first planetary gear set, the ring gear can be connected to a component permanently attached to the housing, and the planet carrier is connected in a driving manner to the ring gear of a second planetary gear set, wherein, with the second planetary gear set, the planet carrier is connected to the ring gear of a third planetary gear set, and the sun gear can be powered by a transmission input shaft, and wherein, with the third planetary gear set, the planet carrier is connected to a transmission output shaft. In order that the planetary transmission has a compact structure and is cost-effective in terms of its production, and is efficient in terms the operation thereof, it is provided that the sun gear of the first planetary gear set is connected to the component permanently attached to the housing, and that the sun gear of the third planetary gear set can be connected to the component permanently attached to the housing and to the ring gear of the first planetary gear set. | 09-04-2014 |
20140236439 | PROCEDURE FOR OPERATING A TRANSMISSION DEVICE, PARTICULARLY A 9-SPEED-TRANSMISSION - A method of operating a transmission device. At least one of the shift elements is a form-locking shift element. A sensor is associated with the form-locking shift element which can determine an operating state of the form-locking shift element. When a request to disengage the form-locking shift element occurs, a disengagement control signal is generated and the form-locking shift element is actuated in the direction of disengagement, depending on the disengagement control signal. The transmission device is transferred to a safe operating state in which the transmission output shaft can rotate, when an actuating pressure that changes the operating state of the form-locking shift element is determined with the sensor, even though a disengagement control signal was not generated, and/or when the sensor is associated with at least two form-locking shift elements and the form-locking shift elements are subjected to actuating pressure to implement a requested operating state change. | 08-21-2014 |
20140236438 | PROCEDURE FOR OPERATING A TRANSMISSION DEVICE, PARTICULARLY A 9-SPEED-TRANSMISSION - A method for operating a 9-speed transmission which changes operating states by actuating shift elements. At least one of the shift elements is a form-locking shift element, which disengages to implement a defined transmission operating state during which the power flow, between transmission input and output shafts, is present or interrupted. A sensor is associated with the locking shift element. An operating state of the locking shift element can be determined by the sensor, Upon a request to disengage the locking shift element, a disengagement control signal is generated and the locking shift element is actuated in the disengagement direction, depending on the disengagement control signal. The transmission is shifted to a safe operating state, in which at least the transmission output shaft can rotate, when an engaged operating state of the locking shift element is determined by the sensor even though a disengagement control signal was generated. | 08-21-2014 |
20140235395 | Drive Device For The Road Wheels Of A Vehicle - A drive device for the road wheels of a vehicle, with a stationary housing partially filled with a lubricating liquid, and a rotatably drivable driveshaft inserted into the housing interior and with a differential unit having a crown wheel with a differential housing. The crown wheel is rotatably drivable by the driving gear wheel, by means of which crown wheel a plurality of differential gear wheels of the differential unit are rotatably drivable, driven gear wheels being rotatably drivable in turn by these differential gear wheels. The driven gear wheels being drivingly connected in each instance to driven shafts for driving the road wheels of the vehicle. The differential unit is enclosed in the housing interior by a shielding housing, wherein the stationary housing interior is connected to the shielding housing interior via one or more apertures. | 08-21-2014 |
20140232081 | VEHICLE COMPONENT - A vehicle component with at least two connection points, a structural component that extends between the connection points and rigidly connects them with one another. The structural component comprises at least one insert made of a ductile material and at least two connection zones that support or form the two connection points, at least one of the zones comprises plastic. The structural component comprises at least one intermediate section that connects the two connection zones rigidly to one another and comprises the insert or is formed by the insert, this section is more ductile than at least one of the two connection zones and, in relation to a mechanical overload of the structural component, forms a locally delimited weak-point or region. | 08-21-2014 |
20140230590 | PROCEDURE FOR OPERATING A TRANSMISSION DEVICE - A method of operating a transmission which is shifted to various operating conditions by engaging shifting elements. At least one of the shifting elements is an interlocking shifting element which has to be engaged to obtain at least one defined operating condition of the transmission during which power flows between an input and an output shaft. When a command is received to engage the interlocking shifting element, a rotational speed of the transmission input shaft is displaced in the direction toward a synchronous rotational speed produced in the engaged operating condition of the interlocking shifting element at least as a function of the rotational speed of the transmission output shaft. When the variation of the rotational speed of the transmission input shaft crosses a predefined rotational speed threshold, the interlocking shifting element is actuated in its engaging direction. | 08-21-2014 |
20140230589 | PROCEDURE FOR OPERATING A TRANSMISSION DEVICE - A method of operating a transmission device having gears that are engaged by actuating shifting elements. At least one of the shifting elements is an interlocking shifting element which has to be engaged in at least one gear to transmit drive between an input and an output shaft. When a command is received to engage the interlocking shifting element, a rotational speed of the input shaft is displaced in the direction toward a synchronous rotation speed produced in the engaged operating condition of the interlocking shifting element at least as a function of the rotational speed of the output shaft. The engagement process of the interlocking shifting element from its disengaged operating condition is discontinued if, before reaching the synchronous rotational speed, the variation of the rotational speed of the input shaft crosses a predefined rotational speed threshold without initiating engagement of the interlocking shifting element. | 08-21-2014 |
20140230588 | PROCEDURE FOR OPERATING A TRANSMISSION DEVICE - A method of operating a transmission which is shifted to various operating conditions by engaging shifting elements. At least one of the shifting elements is an interlocking shifting element which has to be engaged to obtain at least one defined operating condition of the transmission during which force flows between an input and an output shaft. When a command is received to engage the interlocking shifting element, a rotational speed of the transmission input shaft is displaced in the direction toward a synchronous rotational speed produced in the engaged operating condition of the interlocking shifting element at least as a function of the rotational speed of the transmission output shaft. When the variation of the rotational speed of the transmission input shaft crosses a predefined rotational speed threshold, the interlocking shifting element is actuated in its engaging direction. | 08-21-2014 |
20140220966 | VEHICLE BROADCASTING SYSTEM - A vehicle may include a vehicle broadcasting system for providing occupant interaction between one or more vehicle occupants. The on-board device may receive communications from occupants in the vehicle or from a different vehicle within a predetermined communication range. Vehicle occupants may send communications to the on-board device through a communication device, e.g., a cell phone, or through a user interface in the vehicle. The vehicle broadcasting system may implement any number of interaction functionalities, such as supporting a conversation between vehicle occupants, interactive video, game, quiz, karaoke, or other occupant interactions. | 08-07-2014 |
20140209397 | DRIVE UNIT FOR AN ELECTRIC VEHICLE AND METHOD FOR DEFINING A DRIVE UNIT IN AN ELECTRIC VEHICLE - A drive unit for an electric vehicle with an electric machine for driving an axle of the electric vehicle. The electric machine is arranged in a housing with a driveshaft for transmitting torque from the electric machine to an axle of the electric vehicle. At least one mounting system is provided for mounting the drive unit to a body of the electric vehicle. The housing ( | 07-31-2014 |
20140209266 | METHOD FOR PRODUCING A TRAILING ARM OF A TWIST BEAM AXLE IN WHICH A DRIVE UNIT OF AN ELECTRICAL DRIVE CLOSE TO THE WHEEL, COMPRISING AN ELECTRICAL ENGINE AND A TRANSMISSION, IS INTEGRATED - A method of producing a trailing arm of a torsion beam axle in which an integrated drive unit of a wheel-adjacent electric drive has an electric machine and a transmission. By using the method, the trailing arm is produced in the form of a casting with a box profile. The contours for producing the area that accommodates the transmission, the connection point to the vehicle body, the bore that receives the cross-member which connects the two trailing arms to one another, the U-profile of the trailing arm, the box profile and the area that accommodates the electric machine, are modeled by cores such that the contours for producing the connection point of the trailing arm to the vehicle body, the bore that receives the cross-member and the U-profile of the trailing arm are modeled by one core. | 07-31-2014 |
20140208878 | Guide Section of a Housing for a Sensor - A guide section ( | 07-31-2014 |
20140207328 | METHOD AND DEVICE FOR THE DIAGNOSIS OF DEFECTS IN COMPONENTS OF CHASSIS SYSTEMS OF MOTOR VEHICLES - A method for the diagnosis of defects in components of motor vehicle chassis systems. Vibrations produced by rotating components of the chassis system due to an imbalance are filtered such that the frequency range which depends on the wheel rotation speed and contains the imbalance-induced vibrations of the rotating components is filtered out. The signals from sensors associated with the component and arranged on the wheel carrier side and the vehicle body side, are received and stored. The amplitudes of these signals are sorted by increasing frequency and the mechanical impedance of the transmission chain is determined and compared with the known impedance of that component undamaged. If a deviation of the determined impedance for the component and the known impedance of the undamaged component is recognized, then the component is determined to have a defect and a flag is set. | 07-24-2014 |
20140206492 | DRIVE DEVICE FOR THE ROAD WHEELS OF A VEHICLE - A drive device for the road wheels of a vehicle includes a stationary housing in which a rotatably drivable differential housing having an axle differential gear unit is rotatably mounted by differential bearings, at least one driveshaft being rotatably drivable by the differential housing. At least one driving gear wheel is arranged on the at least one driveshaft so as to be fixed with respect to rotation relative to the latter. The at least one driving gear wheel meshingly engage by oppositely directed helical teeth with at least one driven gear wheel for driving road wheels of the vehicle and generating axial forces directed toward the center of the axle differential gear unit. At least one thrust bearing arrangement is supported axially with respect to the at least one driveshaft at a radial supporting surface. | 07-24-2014 |
20140206490 | DRIVE DEVICE FOR THE ROAD WHEELS OF A VEHICLE - A drive device for the road wheels of a vehicle includes a stationary housing in which a rotatably drivable differential housing having an axle differential gear unit is rotatably mounted by differential bearings, at least one driveshaft being rotatably drivable by the differential housing. At least one driving gear wheel is arranged on the at least one driveshaft so as to be fixed with respect to rotation relative to the latter. The at least one driving gear wheel meshingly engage by oppositely directed helical teeth with at least one driven gear wheel for driving road wheels of the vehicle and generating axial forces directed toward the center of the axle differential gear unit. At least one thrust bearing arrangement for supporting these axial forces is in turn supported at a structural component part of the drive device. | 07-24-2014 |
20140206489 | DRIVE DEVICE FOR THE ROAD WHEELS OF A VEHICLE - A drive device for road wheels of a vehicle includes: a stationary housing; a rotatably drivable differential housing with an axle differential gear unit, the differential housing being rotatably mounted in the stationary housing by differential bearings; at least one driveshaft rotatably drivable by the rotatably drivable differential housing; at least one driving gear wheel associated with and arranged on the at least one driveshaft, so as to be fixed with respect to rotation relative to the at least one driveshaft; and at least one driven gear wheel, the at least one driving gear wheel meshingly engaging, by oppositely directed helical teeth, with the at least one driven gear wheel to drive the road wheels of the vehicle and generate axial forces directed toward the center of the axle differential gear unit, and having at least one thrust bearing arrangement configured to support the axial forces. | 07-24-2014 |
20140203753 | METHOD AND DRIVE APPARATUS FOR DRIVING AN ELECTROMAGNETIC ACTUATOR - A method of activating an electromagnetic actuator having at least one coil and a movable armature. The method includes the step in which the electromagnetic actuator is demagnetized by passing a sequence of electric current pulses with a current flow direction which alternates from one current pulse to the next and with a current size which decreases from one current pulse to the next, through the at least one coil, in order to reduce or eliminate any residual magnetic flux density in the electromagnetic actuator. The method also includes a step in which a position of the movable armature is determined, after the demagnetization step, by passing a measurement current pulse through the at least one coil. | 07-24-2014 |
20140203532 | STEERABLE TWIST-BEAM REAR SUSPENSION - A torsion beam axle for a wheel suspension of a motor vehicle. The torsion beam axle has a torsionally compliant transverse section. A trailing arm is fixed at each opposed end of the transverse section. Each trailing arm supports a wheel carrier that pivots about a respective steering axis. The wheel carriers are connected to one another via ball joints and a tie rod, and couple an actuating mechanism for producing steering movement of the wheel carriers about their respective steering axes. A kinematic coupling system is connected to the tie rod and designed to regulate the degree of freedom of rotational movement of the tie rod. A torsion beam axle in which—to minimizing track angle differences or unsymmetrical bouncing behavior—the tie rod and actuating mechanism maintain optimum kinematic conditions in all operating situations. | 07-24-2014 |
20140199113 | PROCESS FOR MANUFACTURING A BALL AND SOCKET JOINT AND BALL AND SOCKET JOINT MANUFACTURED ACCORDING TO THE PROCESS - A process for manufacturing a ball and socket joint and a joint manufactured according to that process are provided for a simple manufacture of a completely assembled ball and socket joint with a low torque and overturning moment. The joint housing is manufactured in an injection or casting process, in which the joint ball with the bearing shell placed on it is surrounded by a metallic material or a plastic. The joint shell is provided with a bulge, which behaves elastically with respect to the pressure acting during the injection or casting process and arches slightly outwardly after the conclusion of the injection or casting process. It is achieved as a result that the joint shell does not lie over its entire area on the joint ball after the injection or casting process. | 07-17-2014 |
20140196971 | Drive for an Industrial Truck with Steering Support - A drive for an industrial truck with at least one drive motor for driving a wheel of the industrial truck and at least one steering motor for supporting a steering movement of the wheel around a steering axle also features a drawbar for guiding the steering or driving movement by applying a load on the drawbar. The drive motor also rotates upon a steering movement of the wheel, whereas the drawbar is connected in a torque-proof manner, relative to the steering axle, with a component also rotating upon a steering movement of the wheel. | 07-17-2014 |
20140196556 | PARALLEL SHIFT TRANSMISSION - A parallel shift transmission which comprises split and range groups, each of which is divided into two parallel transmission branches. One branch can be actuated by a load shift element to transfer rotation of a drive shaft, via a transmission ratio of the split group, and then to a countershaft of the associated branch. Subsequently rotation can be converted, via a range ratio of the range group, into rotation of an output drive shaft. The gear stages are alternately divided between the branches in the order of associated transmission ratios, while each of the range ratios is achieved by shifting one of the group stages of the range group. To drive a power take-off via the transmission, the load shift elements are individual clutches, each of which is arranged in the associated branch between an output-side counter shaft of the split group and a drive-side counter shaft of the range group. | 07-17-2014 |
20140194244 | AXIAL BEARING OF PINION GEARS OF A PLANETARY GEAR SET - An axial mounting of the planetary gearwheels of a planetary gearset having a sun gear that meshes with at least one planetary gearwheel mounted on a planetary bolt that is supported on the planetary carrier. The at least one planetary gearwheel meshes with a ring gear. At least one check-plate, which has a hole for the planetary bolt and which is positioned on one side of the planetary gearwheel between the planetary gearwheel and the planetary carrier, is associated with each planetary gearwheel. The check-plate is completely flat and is axially symmetrical relative to its longitudinal and transverse axes. The at least one check-plate has two wings that extend in the longitudinal direction, which are positioned in recesses formed in the planetary carrier, when the check-plate is in the installed condition, to secure the check-plate against rotation. The check-plate is fixed relative to the planetary carrier. | 07-10-2014 |
20140182898 | Printed Circuit Board and Control Device for a Vehicle Transmission Comprising the Printed Circuit Board - The invention proposes a printed circuit board with multiple layers, which features at least one outer layer and at least one inner layer adjacent to the outer layer. The printed circuit board features a plurality of micro-through-holes, which are formed between a supply voltage area of at least one outer layer and a supply voltage area of at least one inner layer. | 07-03-2014 |
20140182415 | TRANSMISSION DEVICE HAVING A PLURALITY OF SHIFT ELEMENTS - A drive engages a shaft ( | 07-03-2014 |
20140171263 | METHOD FOR SHIFT CONTROL OF AN AUTOMATED GROUP GEAR - A method of controlling a shift of an automated group gearbox having a multi-step main transmission and a trailing two-step range group. An input shaft of the main transmission is driven by a drive device. The main transmission and a range group have synchronization devices with shift clutches. Each synchronization device, for the main transmission, has two shift positions for respective gear ratio steps and a neutral position and the range group synchronization device has only two shift positions to shift between two gear ratios steps. To accelerate range shifts, when synchronizing the range group, the main transmission input shaft is synchronized by controlling external synchronization aids to a target rotational speed at which either after the synchronization and shifting of the gear ratio step of the range group or independently from the current synchronization condition of the range group, the target gear ratio is engaged in the main transmission. | 06-19-2014 |
20140167339 | HOLDER FOR A SPRING | 06-19-2014 |
20140166378 | DRIVE UNIT AND VEHICLE AXLE FOR AN ELECTRIC VEHICLE - A drive unit, for an electric vehicle, comprising an electric machine that can be arranged in the area of an end of a vehicle axle of the electric vehicle and also a transmission unit, which co-operates with the electric machine, for driving a wheel of the electric vehicle. The electric machine and the transmission unit can be arranged adjacent to the wheel. The electric machine is designed so that the electric machine can be arranged adjacent to a wheel at either of the two ends of the vehicle axle in the drive unit for driving the wheel concerned. The invention also concerns a vehicle axle incorporating the drive unit. | 06-19-2014 |
20140166332 | Housing Element for a Control Device Housing - This invention relates to a housing element ( | 06-19-2014 |
20140162834 | GEARWHEEL, IN PARTICULAR PLANET GEAR FOR A PLANETARY GEAR SET, AND ROTARY VIBRATION DAMPING ARRANGEMENT HAVING A GEARWHEEL OF SAID TYPE - A gearwheel for a planetary gear train includes two working toothing regions arranged successively in direction of a gearwheel rotational axis (Z). A first working toothing region is arranged at a first gearwheel part, and a second working toothing region is arranged at a second gearwheel part. The two gearwheel parts are connected to one another by positive engagement and/or bonding engagement and/or frictional engagement so as to rotate together around the gearwheel rotational axis (Z) and/or against relative movement with respect to one another in direction of the gearwheel rotational axis (Z). | 06-12-2014 |
20140161656 | Gearbox Pump - What is proposed is a transmission pump ( | 06-12-2014 |
20140157924 | MOTOR VEHICLE TRANSMISSION - A motor vehicle transmission having two partial transmissions with coaxial input shafts which can connect to an output shaft. The inputs of the first and second partial transmissions are a central shaft and a hollow shaft, respectively, that are coaxial with the output shaft. A countershaft assembly is parallel to the input and output shafts, to transmit rotation from the drive input to the output via a variety of gears. Gear stages ( | 06-12-2014 |
20140151973 | TWIST BEAM AXLE - A twist beam axle for a wheel suspension of a motor vehicle. The twist beam axle has two trailing arms and a torsional profile having prismatic-shaped end sections with a noncircular cross-section. One trailing arm is connected to one torsional profile end section in each case. The trailing arms have a receiving recess having a shape corresponding to that of the outer surface of the torsional profile end section. An inwardly pressed plug is disposed in the interior of each torsional profile end section. The twist beam axle ensures permanent transfers high bending moments and torques between the trailing arms and the torsional profile without a welded joint. Different classes of materials can be used for the torsional profile and trailing arms, or can be connected to one another. The twist beam axle generally makes it possible to use large-volume, thin-walled and, therefore, weight-saving torsional profiles. | 06-05-2014 |
20140151180 | Control Element For a Parking Lock - A parking lock control element has an actuator coupled to a parking lock pawl, and a retaining device which works with the actuator to secure the parking lock pawl in the disengaged position. The connecting device is characterized in that the retaining device has a blocking slide connected to the actuator, and a blocking actuator having a slider gap, the width of the slider gap being modified in an actuating manner, wherein the blocking slide can move into the slider gap—when the slider gap is open—releasing the actuator. The connecting device reduces structural complexity and related costs. At the same time, the control element is comparatively robust with respect to manufacturing tolerances, acceleration forces, vibrations, and temperature stress. With minimal auxiliary energy, high holding forces can be achieved to secure the parking lock pawl. An emergency unlocking actuation can also be integrated in a simple manner. | 06-05-2014 |
20140151177 | DEVICE FOR ACTUATING A FRICTIONAL CONVERTER LOCK-UP CLUTCH OF A HYDRODYNAMIC TORQUE CONVERTER - A device for actuating a frictional converter lock-up clutch of a hydrodynamic torque converter. A piston of the lock-up clutch can be acted upon by pressure of a inner chamber of a converter that acts in the engaging direction of the lock-up clutch and by pressure of a piston chamber delimited by the piston that acts in the disengaging direction. At least in the disengaging operating condition of the lock-up clutch, the piston space is connected to the inner chamber of the converter. The inner chamber can be supplied with hydraulic fluid via a first line. Hydraulic fluid can be discharged from the inner chamber via a second line. The piston chamber of the lock-up clutch can be connected to a pressurized zone and to an essentially unpressurized zone. By varying the pressure in the piston chamber, the device can modulate the transmission capacity of the lock-up clutch. | 06-05-2014 |
20140150908 | PRESSURE CONTROL VALVE APPARATUS HAVING A FLOW-GUIDING DEVICE - A pressure control valve unit ( | 06-05-2014 |
20140148308 | METHOD FOR OPERATING A VEHICLE DRIVE TRAIN DURING A STARTING PROCESS - A method of operating a vehicle drive-train during a starting process. The drive-train has a drive mechanism which can couple a continuously-variable power-branched transmission in which a plurality of transmission ratios can be engaged. The transmission ratios can be varied continuously by adjusting a variator, the transmission driving a drive output. A force flow between the drive mechanism and the drive output can be produced by a frictional shifting element by appropriately adjusting the transmission capacity of the shifting element. When a start command is issued, a starting transmission ratio is engaged in the area of the transmission device. During the engagement of the starting transmission ratio the transmission capacity of the frictional shifting element is adjusted to values greater than zero. | 05-29-2014 |
20140146729 | Communication Devices, Radio Switch and Method for Communication - A communication device for a remote switch has a control device designed to supply a preparatory signal for preparing a transmission process and a transmission signal for starting the transmission process. A memory device is designed to save one structural information and a parameter for different transmission protocols. A processing device is designed to supply data to be sent, read the structural information and the parameters from the memory device in response to the preparatory signal and, based on the data to be sent and the structural information, create a send packet, and output the send packet and the parameter in response to the transmission signal. A transmission device is designed to wirelessly emit a transmission signal representing the send packet with a transmission characteristic defined by the parameter. | 05-29-2014 |
20140146485 | TECHNIQUE FOR INTRUSION DETECTION | 05-29-2014 |
20140144831 | Filter Top Shell,Filter and Method for Manufacturing a Filter Top Shell - A filter top shell for an oil filter arranged in a transmission of a motor vehicle, having a pressure conduit arranged on a top side of the filter top shell, and wherein the pressure conduit generates a pressure boost to support a suction power of a pump connected to the filter, and wherein the pressure conduit is formed integrally with the filter top shell. Also proposed is an oil filter for a transmission of a motor vehicle, wherein the filter has a housing with a filter top shell having a pressure conduit and a filter bottom shell connectable thereto. Further, a method for producing a filter top shell for an oil filter arranged in a transmission of a motor vehicle, with an injection-molding process, wherein the filter top shell and a pressure conduit arranged on a top side of the filter top shell are integrally formed. | 05-29-2014 |
20140144718 | DRIVE DEVICE FOR AN INDIVIDUAL WHEEL OF A MOTOR VEHICLE - A drive device located closely adjacent to the wheel for a single wheel of a motor vehicle. The drive device has an electric drive that has at least one driveshaft for the wheel. A gearing interacts with the at least one drive shaft for transmitting torque to drive the wheel and is connectable to the individual wheel. A locking mechanism is disposed to lock the wheel and is designed to block the gearing and/or the drive shaft. | 05-29-2014 |
20140144288 | TRACTION SUPPORTED MULTI GROUP TRANSMISSION - A drive-train of a vehicle with a hybrid drive comprising an internal combustion engine and an electric machine and an automated group transmission connected between the hybrid drive and a drive axle. The transmission comprises a main transmission having a main shaft, countershafts, and a splitter group connected up upstream from the main transmission. The electric machine is connected to the countershafts. The splitter group and the main transmission have a common direct gear which is engaged by a clutch to support traction force shifting of the main transmission. The clutch connects a transmission input shaft to the main transmission shaft to form the direct gear. While the direct gear is engaged, the connections of the transmission input shaft and the main transmission shaft to the countershaft and the electric machine are separated. | 05-29-2014 |
20140142796 | METHOD FOR OPERATING A HYBRID DRIVE TRAIN OF A VEHICLE - A method of operating a vehicle hybrid drive-train in which, depending on the operating situation, the engine and electric machine either operate individually or together. The engine and the electric machine can be coupled or separated by a clutch. The engine can be started by the electric machine or a separate starting device. To co-ordinate transmission shifts and required engine starts, during a transmission shifting process, if the engine needs to be started, then based on whether the shift is an upshift, a downshift, a traction shift or an overdrive shift and also depending on the type of engine start required, it is first determined whether the shift should be completed, at least partially completed or discontinued before carrying out the start and, based on this determination, measures for continuing, at least partially continuing or discontinuing the shift process are initiated. | 05-22-2014 |
20140140434 | CONCEPT FOR TRANSMITTING AND RECEIVING AN INFORMATION SYMBOL - Devices, methods and examples concerning a concept for transmitting an information symbol from a symbol alphabet (I | 05-22-2014 |
20140139048 | INDUCTION GENERATOR - An induction generator, for a wireless switch, having a magnetic element with north pole and south pole contact sections, and a coil core having pole contact sections, which can contact with the north pole contact section and the south pole contact section. The magnetic element and the coil core are disposed so as to be movable relative to one another so that a reversal of the magnetic flux direction in the coil core can be generated when switching between first and second idle position, which define a direction of relative movement, in which the north pole and the south pole contact sections each contacts the respective associated pole contact sections. The induction generator has a magnetizable sliding contact section for sliding guidance of the relative movement between the coil core and magnetic element, and this sliding contact section extends parallel to the direction of movement. | 05-22-2014 |
20140138171 | AXLE FOR A MOTOR VEHICLE - A vehicle axle, in particular a torsion beam axle for an electric vehicle, with at least one trailing arm on which is arranged a drive unit located close to a wheel, and the drive unit comprises an electric machine and a transmission unit. The drive unit, close to the wheel, has at least one supply line and at least one damper such that the drive unit, close to the wheel, is formed at least partially as a trailing arm and the damper is connected, on at least one side, to the drive unit at least in a single-shear manner and can be connected, on at least the other side, to a body of the electric vehicle. The at least one vehicle axle is utilized on a motor vehicle. | 05-22-2014 |
20140136067 | METHOD FOR CONTROLLING AN AUTOMATED FRICTION CLUTCH - A method of controlling an automated friction clutch arranged as a starting and shifting clutch in a vehicle between an engine driveshaft and an input shaft of a transmission. The clutch can be engaged passively by a contact pressure spring and disengaged and engaged by a pneumatic control cylinder. The air inlet and outlet valves are opened in a sustained-pulse operating mode, over a duration Δt | 05-15-2014 |
20140128194 | DRIVE UNIT MOUNTED CLOSE TO THE WHEEL FOR A MOTOR VEHICLE - A drive unit close to the wheel of an electric vehicle having an electric machine with a drive shaft and transmission unit that has at least a first transmission component with an output shaft. The transmission unit interacts with the driveshaft for transferring torque. The drive shaft has, as bearings, two drive shaft bearings and the output shaft has at least one output shaft bearing. At least one of the drive shaft bearings and output shaft bearings is a fixed bearing, and at least an additional drive shaft bearing and the output shaft bearing are loose bearings. The drive and the output shaft bearings are radial bearings. A vehicle can have additional drive units close to the wheel, a vehicle axle can have at least a drive unit close to the wheel and an application of a drive unit close to the wheel. | 05-08-2014 |
20140121912 | METHOD FOR INITIALIZING THE MASS OF A MOTOR VEHICLE - A method of initializing the mass of a motor vehicle, in particular when the motor vehicle is re-started or when it is at rest, for the control of a starting process of the motor vehicle. From measured and/or calculated operating parameters of the motor vehicle, an operating situation of the motor vehicle is determined and, on the basis of the operating situation determined and as a function of operating situation dependent loading and/or unloading patterns, the mass of the motor vehicle is initialized. | 05-01-2014 |
20140117676 | Generator Unit for an Agricultural or Communal Commercial Vehicle - The invention relates to a generator unit ( | 05-01-2014 |
20140116180 | CONNECTING DEVICE FOR OUTSIDE A VARIABLE-SPEED TRANSMISSION - A connecting device of a vehicle drive-train, located outside a variable-speed transmission, for rotationally coupling a shaft to a drive-train element. A sliding sleeve is rotationally fixed on the shaft but slides axially between first and second positions. In the first position, the shaft is rotationally disengaged from the drive-train element and, in the second position, they are rotationally coupled. An actuator displaces the sliding sleeve between the first and second positions, with a shift groove along a peripheral contour of the sliding sleeve and engagement members for engaging in the groove. The sliding sleeve can rotate and move axially relative to the engagement members and the groove is shaped as a curved guiding such that, when the engagement members engage in the groove and the sliding sleeve rotates relative to the engagement member, the sliding sleeve moves axially between the first and second positions by virtue of the groove. | 05-01-2014 |
20140111228 | POSITION DETECTION DEVICE - A position detection device having a first electrode pair, an electrically conductive body that forms an electrical resistor which is electrically connected to the electrodes of the first electrode pair and extends in a first direction (y), between them, and with a measurement electrode which is in electrically conductive contact with the surface of a measurement area of the body located between the electrodes of the first electrode pair and can move relative thereto. The body is electrically connected to the electrodes of a second electrode pair and extends between them in a second direction (x) such that the measurement area is located between the electrodes of the second electrode pair. | 04-24-2014 |
20140102398 | DRIVE SYSTEM FOR A VEHICLE - A drive system for a vehicle comprises an internal combustion engine switchable between operating modes of different performance capability, and a torsional vibration damping arrangement that comprises a primary side preferably coupled to a crankshaft and a secondary side rotatable with respect to the primary side against the action of a damper element arrangement. The damper element arrangement has a stiffness which increases as the load torque to be transmitted increases, and the primary side and the secondary side are in a limiting relative rotational position with respect to one another during transmission of a maximum torque which can be delivered in an operating mode with lower performance capability at a maximum torque rotational speed, and the damper element arrangement provides a limiting stiffness in the limiting relative rotational position such that a natural frequency of the torsional vibration damping arrangement is below the maximum torque speed. | 04-17-2014 |
20140100072 | RANGE-CHANGE TRANSMISSION WITH AN ELECTRIC ENGINE - A group transmission device with an electric machine, a main transmission of a countershaft design, a splitter group of a countershaft design which is connected upstream of the main transmission and a range group connected downstream of the main transmission. In the area of the main transmission, the splitter group, and the range group, a gear ratio is variable by gear steps that can be engaged in, or disengaged from, the force flow by interlocking shifting elements. At least during a gearshift, torque of the electric machine can be introduced into the force flow in the area of the splitter group. The splitter group has at least three gear steps that can be engaged or disengaged, the main transmission has at least two gear steps that can be engaged or disengaged, and the range group has at least two gear steps that can be engaged and disengaged. | 04-10-2014 |
20140097061 | CLUTCH ACTUATION SYSTEM - A device and a method for rapid disengagement of a clutch ( | 04-10-2014 |
20140088844 | Method for Determining a Shift Sequence of a Change of Transmission Ratio of a Gear Mechanism Device of a Vehicle Drive Train - A method for determining a shift sequence of a change of transmission ratio of a transmission device of a vehicle drive train is described. The shift sequence is determined depending on an operating state of the vehicle drive train existing upon the actual transmission ratio inserted in the transmission device. The operating state is characterized by various operating state quantities of the vehicle drive train, which represent input quantities of a model representing the vehicle drive train (B | 03-27-2014 |
20140088843 | METHOD FOR ADAPTING SHIFTS IN A MOTOR VEHICLE TRANSMISSION - A method provides for adapting shifts to be carried out in a transmission of a motor vehicle. The shifts are triggered by a transmission control unit and are is controlled and/or governed by the transmission control unit. An actual value corresponding to an acceleration of the motor vehicle is recorded by measuring instruments and is compared to a corresponding target value. On the basis of a deviation between the actual value and the target value, the carrying out of the subsequent shifts of the transmission control unit is adapted. The actual value corresponding to an acceleration of the motor vehicle is individually recorded for several consecutive shift stages of each shift, whereas the actual value in the individual shift stages is compared to the target value in the individual shift stages of the transmission control unit. On the basis of a deviation in the individual shift stages between the actual value and the target value, the carrying out of the subsequent shifts of the transmission control unit is individually adapted for each shift stage. | 03-27-2014 |
20140081539 | METHOD TO CONTROL A TRANSMISSION BRAKE - A method of controlling a transmission brake of an automated change-speed transmission, of a countershaft design provided with claw clutches, the brake being functionally connected, on its input side, to a transmission shaft and actuated hydraulically or pneumatically by way of inlet and outlet valves such that, for an upshift from a gear under load to a target gear, when the loaded gear is disengaged, in order to synchronize the target gear, first the inlet valve is opened and the outlet valve is closed, then to produce a substantially constant braking torque, the inlet valve is closed after having been open for a determinable opening duration, and to reach a synchronous rotational speed, the outlet valve is opened after having been closed for a determinable closing duration. The time during which the inlet valve is open is determined as a function of a specified characteristic parameter of the synchronization process. | 03-20-2014 |
20140080667 | Vehicle and Method for Operating a Vehicle - A vehicle has a drive train comprising a drive unit, a hydrostatic-mechanical power-split gear unit operatively connected to the drive unit and an output, and at least one braking device. An additional actuating device is allocated to the braking device and is operatively connected with a power request element and/or a driving direction selection element. Upon the presence of a deceleration of the vehicle requested by the driver through the power request element and/or the driving direction selection element and, the braking device is actuated to an extent that initiates a braking torque in the drive train. Upon the presence of a requested deceleration of the vehicle, a driving torque on the side of the drive unit is provided in the area of the output for a braking device that is not actuated by the driver. If the rotational speed of the drive unit exceeds a defined threshold of rotational speed, the braking device is operated to an extent that initiates a braking torque in the drive train. | 03-20-2014 |
20140077641 | Drive Unit For A Motor Vehicle With An Electric Machine And A Clutch - A drive unit for a motor vehicle includes an electric machine which has a stator, a rotor and clutch for producing a rotary driving connection of the rotor to a drive element. The clutch has a release member which is axially displaceable by means of an actuating device arranged at least partially in a receiving space surrounded by the stator. The actuating device has an electric actuator drive motor and an actuator drive shaft directed transverse to the axis of rotation of the drive unit. The actuator drive shaft is operatively connected to a release arrangement which includes a rotatable input element which is fixed axially relative to the release member and an output element which is axially displaceable relative to the input element and which is operatively connected to the release member. | 03-20-2014 |
20140074364 | METHOD AND CONTROL DEVICE FOR CONTROLLING A POSITVELY LOCKING SHIFT ELEMENT OF A TRANSMISSION - A method of actuating a form-locking shift element of a transmission. To shift from a current gear to a target gear, an actuation time is determined for the locking shift element to be engaged during a gear shift depending on a reaction time of the assemblies participating during actuation of the locking shift element, an engaging time of the locking shift element, and at least one filtered signal such that the locking shift element is engaged within a specified rotational speed window encompassing a specified differential rotational speed. It is verified whether the locking shift element can be engaged within the specified rotational speed window depending on at least one unfiltered signal, and, if the locking shift element can be engaged within the specified rotational speed window, the actuation is unaffected; conversely, if the locking shift element cannot be engaged within the specified rotational speed window, the actuation is affected. | 03-13-2014 |
20140074362 | METHOD AND CONTROL DEVICE FOR OPERATING A TRANSMISSION - A method of operating a transmission with interlocking and friction shifting elements. In or to carry out a gearshift from a currently gear to a target gear, one shifting element is disengaged and another is engaged, and if to carry out a gearshift an interlocking shifting element has to be engaged, the interlocking shifting element is synchronized by partially closing a friction shifting element, with redundancy in the transmission, only if a current speed of the vehicle is lower than a limit value. To monitor for possible malfunction, actuation of the shifting elements and the driving speed are monitored and if, based on the actuation of the shifting elements, it is concluded that there is a redundancy in the transmission, a stored non-actual driving speed is compared with the limit value and if the stored driving speed is higher than the limit value, the redundancy in the transmission is eliminated. | 03-13-2014 |
20140073479 | METHOD FOR OPERATING A DRIVE TRAIN OF A VEHICLE - A method of operating a drive-train of a vehicle that comprises a combustion engine whose torque for driving the vehicle can be transmitted to a drive output via a transmission, with a hydraulically actuated clutch when the clutch is engaged. An electric machine provides torque which can act upon the drive-train. The clutch is closed by filling the clutch with hydraulic fluid through a circuit by way of a pump which can be driven by the engine and the electric machine. The method is to engage the clutch when the combustion engine is initially off and/or when the electric machine is initially switched off, determining a driving dynamic based on the behavior of the driver and adjusting the speed of the electric machine based on the determined driving dynamic such that the greater the determined driving dynamic is, the more rapidly the clutch is filled by the pump. | 03-13-2014 |
20140073475 | MULTISTAGE TRANSMISSION - A transmission having basic and reversing transmissions. The basic transmission has planetary gearsets, shafts and shift elements. A sun of gearset (P | 03-13-2014 |
20140073474 | MULTISTAGE TRANSMISSION - A multistage transmission of a planetary design which comprises a basic transmission and a group transmission arranged downstream of the basic transmission. The basic transmission comprises three planetary gearsets, at least six rotatable shafts and at least five shift elements, and selected engagement thereof which results in different transmission ratios between an input and an output drive. The group transmission has a minus planetary gearset. The sun gear of the minus planetary gearset is connected to the output shaft of the basic transmission. The ring gear of the minus planetary gearset can be coupled to the housing, via a first shift element. The carrier of the minus planetary gearset is connected to the output shaft of the multi-stage transmission and is connectable to the ring gear, via a second shift element. The basic and the group transmissions are arranged together within the housing. | 03-13-2014 |
20140073473 | MULTISTAGE TRANSMISSION - A transmission comprising a transmission ( | 03-13-2014 |
20140064914 | CONTROL ROD DEVICE - A control rod configuration for adjusting a position of a rotor blade of a helicopter. The control rod configuration includes a control rod which has a bearing eye, adjacent the swash plate, which is penetrated by an axle shaft which has a bearing supported by a bearing bracket. The control rod configuration, which can be simply constructed and is less susceptible to malfunction, has an eccentric with its pivotable bearing in the bearing bracket and which is provided between the bearing bracket and the bearing eye. In addition, a method in which a rotor blade of a helicopter has an assigned control rod which is supported by an axle shaft with a bearing in the bearing bracket which is mounted to the swash plate so as to enable adjustment of the control rod by pivoting the axle shaft during flight. | 03-06-2014 |
20140052352 | METHOD FOR DETECTION AND ENABLING OF AN EVASIVE MANOEUVER IN A VEHICLE WITH AN AUTOMATED MANUAL TRANSMISSION - A method of detecting and enabling an evasive manoeuver in a vehicle with an automated transmission, in which initially the method checks whether the reverse (R) drive is engaged, and checks whether the steering-wheel angle and the steering-wheel angular velocity are valid and in excess of threshold values. If so, a first timer is started and then the method checks to see if the yaw rate and the transverse acceleration of the vehicle exceed threshold values while the first timer is running, and when the yaw rate and the transverse acceleration of the vehicle exceed threshold values while the first timer is running, a driver's wish to carry out an escape turn is recognized and a second timer is started, and both timers have not yet run their course, the speed threshold for permitting engagement of the forward drive (D) is increased to exceed the normal threshold value for permitting engagement of forward drive (D) is a is a set is positioned. | 02-20-2014 |
20140049866 | Method for Controlling a Transistor and Control Circuit - A description is given of a method for the pulsed control of a transistor which has a control terminal and a load path. The load path of the transistor is connected in series with a load. A control circuit is provided for a transistor. In the method, the transistor is controlled with a control pulse of a first type, which has a first control level at least for a first time duration, before a control pulse of a second type, which has a second control level, which is higher in comparison with the first control level. A voltage across the load path of the transistor is evaluated and the pulsed control is terminated if the voltage across the load path exceeds a predefined threshold value. | 02-20-2014 |
20140041733 | BREATHER OF A HYDRAULIC OR ELECTROHYDRAULIC CONTROL DEVICE - A venting device for a hydraulic control unit, designed as a diaphragm in a bore in the control unit, so that collected air can escape, via the diaphragm, to outside the housing. A membrane, which is permeable to air and oil when under pressure, closes the diaphragm bore with respect to the outside. The housing bore and the diaphragm form an inside space that can be vented, via the membrane. The inside space being delimited, during operation, by the diaphragm and an oil column which passes from the control unit into the housing bore and is continually maintained at a defined pressure at which oil, in the housing bore, either does not pass through the membrane or only a minute amount passes therethrough. The oil column remains in the housing bore so that only air, contained in the oil, is vented to the outside without any air being drawn into the control unit from outside. | 02-13-2014 |
20140038769 | RATIO STEP OF A STEPPED TRANSMISSION, AND STEPPED TRANSMISSION - A transmission ratio step of a stepped transmission which can couple at least two parallel transmission shafts. Multiple transmission ratios can be implemented with the ratio steps. A planetary gear set, comprising three components, is located coaxial with a first shaft. A first component is connected to and driven by an input supplied along the first axis, and a second component meshes with at least one spur gear, each of which is placed on a further axis that is parallel to the first axis. A first transmission ratio can be engaged by fixing a third component of the planetary gear set, and a second transmission ratio can be implemented by connecting either the third or the second transmission component to the drive supplied along the first axis. At least one the transmission ratio steps is utilized in a stepped transmission of a motor vehicle transmission. | 02-06-2014 |
20140038762 | TRANSMISSION FOR A VEHICLE - A double clutch transmission for a vehicle comprising partial transmissions with an input shaft positioned on an input axis and an output shaft is positioned on the input axis or is at least positioned parallel to a counter shaft axis. A planetary transmission is connected with the output shaft and at least one of the input shafts can be connected with the output shaft via the planetary transmission. M wheel planes and N shifters are positioned, M and N are each natural numbers which are both greater than or equal to 2, and whereby at least N−1 shifter are positioned on the input shaft axis. At least a shift element of one of the N−1 shifter is connected with a shift element of additional N−1 shifters, and in each case a transmission element of two wheel planes is or can be connected with the shaft. | 02-06-2014 |
20140020996 | Vibration Damper With Frequency-Selective Damping Force - A vibration damper includes a piston rod which is axially movable in a cylinder and at which is arranged a housing in which an auxiliary piston is axially movably supported, wherein the auxiliary piston is connected to a piston rod portion at which a main piston is arranged, wherein the auxiliary piston and the main piston are outfitted with damping valves which generate a damping force for both movement directions of the piston rod and piston rod portion, wherein the main piston divides the cylinder into a working chamber on the piston rod side and a working chamber remote of the piston rod, both of which working chambers are filled with damping medium, and the auxiliary piston divides the housing into two auxiliary chambers, wherein the auxiliary piston generates a damping force over its entire stroke path, which damping force is always greater than the damping force of the main piston at an identical stroke speed. | 01-23-2014 |
20140020494 | METHOD FOR CONTROLLING AN AUTOMATED TRANSMISSION - A method of controlling an automated transmission with positioning cylinders ( | 01-23-2014 |
20140020371 | METHOD FOR CONTROLLING AN AUTOMATED TRANSMISSION - A method of controlling an automated transmission for motor vehicles with one or several pressure activated positioning cylinders ( | 01-23-2014 |
20140019020 | METHOD FOR CONTROLLING A GEAR BRAKE FOR AN AUTOMATED CHANGE-SPEED GEARBOX - A method of controlling a transmission brake of an automated change-speed transmission having a control cylinder, that is pressurized by inlet and outlet valves, and an upstream main cut-off valve by which a nominal pressure, supplied to the control cylinder, is regulated. Functional deviations of the transmission brake can be considered during a shifting operation, when the transmission is in neutral, the motor coupling clutch is disengaged and the transmission brake is engaged. The rotational speed gradient and the mass of the transmission components to be braked are determined and used to calculate the current braking torque of the transmission brake. The current braking torque relates to the current regulated nominal pressure, and the determined values are stored in a control unit and used during subsequent actuation of the transmission brake. | 01-16-2014 |
20140013881 | METHOD FOR SYNCHRONIZING A DOUBLE CLUTCH TRANSMISSION AND DOUBLE CLUTCH TRANSMISSION - A method of synchronizing a double clutch transmission having two input shafts and an output shaft. The input shafts can couple a motor drive shaft via an input friction clutch to synchronize rotation of the forward gears. The input shafts are coaxial with one located within the other, and the transmission output shaft is likewise coaxial. Each of the forward and reverse gears are arranged in a respective gearset plane. The gear clutches for the forward and reverse gears form gear shifting devices with some being actuated on two sides. Progressive gear steps are realized between the forward gears, and the gear clutches are unsynchronized shift elements. The rotational speed of one or more gear clutches, necessary for a gear change, is adapted as needed by actuating one or both of the input clutches and controlling the rotational speed of the motor. | 01-16-2014 |
20140000970 | DRIVE DEVICE FOR DRIVING A WHEEL FOR AN ELECTRICALLY POWERED VEHICLE | 01-02-2014 |
20140000449 | ADJUSTING DEVICE OF A HYDROSTATIC MODULE | 01-02-2014 |
20140000412 | MANUAL TRANSMISSION OF A HYBRID DRIVE FOR A MOTOR VEHICLE | 01-02-2014 |
20130345942 | GEARBOX CONTROL DEVICE - A transmission control device ( | 12-26-2013 |
20130345019 | HYBRID DRIVE OF A MOTOR VEHICLE AND METHOD FOR CONTROLLING A HYBRID DRIVE - A hybrid drive of a motor vehicle having an automated manual transmission with two input shafts and a common output shaft. The first input shaft can be connected to the drive shaft of an internal combustion engine by a clutch and can be brought into a drive connection to the output shaft by a first group of shiftable gearwheel sets. The second input shaft has a drive connection to the rotor of an electric machine, which can operate as a motor and a generator, and can be brought into a drive connection with the output shaft by a second group of selectively shiftable gearwheel sets. The input shafts can be coupled by coupling-shift element. The hybrid drive is provided with a second electric machine, which can operate as a motor and a generator and has a rotor that can be connected to the first input shaft. | 12-26-2013 |
20130345010 | HYBRID DRIVE OF A MOTOR VEHICLE - A hybrid drive of a motor vehicle comprising a combustion engine having a drive shaft, at least one electric machine, a manual transmission having input shafts (GE | 12-26-2013 |
20130341540 | Adjustable Damping Valve Arrangement - An adjustable damping valve arrangement comprises an actuator for controlling a main stage valve, wherein the main stage valve has a rigid main stage valve body which carries out an axial operating movement relative to a valve seat surface of the main stage valve, wherein a pre-opening valve having at least one spring element which in turn preloads a pre-opening valve body precedes the main stage valve body, wherein the main stage valve body is supported on the valve seat surface in the closed operating position by the pre-opening valve. | 12-26-2013 |
20130341142 | ADJUSTABLE DAMPING VALVE ARRANGEMENT - An adjustable damping valve arrangement for a vibration damper comprises an actuator which exerts an actuating force on a multiple-part auxiliary valve body of an auxiliary valve. The auxiliary valve influences a closing force on a main stage valve via an auxiliary valve closing body which is movable axially relative to a shaft portion on the actuator side. During a lift movement, a main stage valve body of the main stage valve compresses a rear space connected to the control space via the auxiliary valve. An auxiliary valve closing spring acts upon the auxiliary valve closing body in closing direction independently from the actuator control, and the rear space has a flow-off channel having a damping valve which generates a damping force during a lift movement of the main stage valve body when the rear space is closed. | 12-26-2013 |
20130337961 | DUAL CLUTCH GEARBOX - A double clutch transmission with two clutches (K | 12-19-2013 |
20130334820 | ENERGY SUPPLY DEVICE FOR A VEHICLE AND SELF-PROPELLED WORK TRAIN - An energy supply device ( | 12-19-2013 |
20130334000 | CONNECTING DEVICE AND GEARBOX FOR A VEHICLE DRIVE TRAIN AS WELL AS METHOD FOR OPERATING SUCH A CONNECTING DEVICE - A connecting device for connecting first and second shafts in a rotationally fixed manner. The connecting device has a connecting element with form-locking elements that axially moves between a first axial position, to form lock the shaft via the form-locking elements, and a second axial position, to release the form lock. An actuator, when electrically energized, causes movement of the connecting element between the first and the second position. The locking elements are disposed in axially spaced first rows such that, in the first position, these rows engage with corresponding second rows of locking elements of the first shaft to achieve a form lock and couple the first and second shafts, and, in the second position, the first rows disengage from the corresponding second rows of form-locking elements of the first shaft to respectively release the first and second shafts and permit relative rotation therebetween. | 12-19-2013 |
20130333783 | HYDRAULIC BLOCK FOR A SHIP TRANSMISSION SYSTEM - A hydraulic block ( | 12-19-2013 |
20130330578 | METHOD AND DEVICE FOR WARMING A TRACTION BATTERY OF A VEHICLE - A method of warming a traction battery ( | 12-12-2013 |
20130313233 | METHOD FOR FIXING A COMPONENT IN A CASING AND ASSEMBLY HEREOF - A method of fixing a functional component ( | 11-28-2013 |
20130298726 | LINK ELEMENT WITH OVERLOAD PROTECTION MEANS - A link element for coupling two assemblies with one another. The link has rod-shaped sections that are connected by an overload protection but are able to move axially relative to one another if subjected to an overload. The overload protection comprises a shear element which rigidly connects the link sections, in a form locking manner, and has a stop for limiting relative axial movement of the link sections, if subjected to an overload. The link element provides a defined deformation path, in the event of failure, and remains functional to a limited extent even once an overload occurs. The link element, when used on a chassis of a vehicle, signals to the driver damage or overload in the chassis, without further components or devices. | 11-14-2013 |
20130297149 | Control Device For An Adjustable Chassis System - A control device for an adjustable chassis system includes a connection to at least one sensor arrangement which provides at least one vehicle condition parameter of a vehicle. The measured vehicle condition parameter is spatially related to a position outside of the control device. The sensor arrangement is arranged inside the control device and forms a virtual miniature measurement plane which is extrapolated to an actual measurement plane. | 11-07-2013 |
20130296097 | RANGE TRANSMISSION OF A MOTOR VEHICLE - A range-change transmission having a main transmission, an upstream splitter group and a downstream range group. The main transmission comprises planetary gearsets (PS | 11-07-2013 |
20130294816 | CROSS-AXIS JOINT FOR A VEHICLE - A sleeve joint for a vehicle with an outer sleeve ( | 11-07-2013 |
20130292209 | ARRANGEMENT OF A TRANSMISSION AND OF AN ATTACHMENT MODULE - An arrangement of a transmission ( | 11-07-2013 |
20130288847 | PLANETARY GEAR TYPE MULTI-STAGE TRANSMISSION - A motor vehicle multi-stage planetary transmission which has a housing that accommodates four planetary gear sets (P | 10-31-2013 |
20130285480 | INDUCTION GENERATOR AND METHOD FOR PRODUCING AN INDUCTION GENERATOR - An induction generator ( | 10-31-2013 |
20130284125 | METHOD AND CONTROL UNIT FOR OPERATING A DRIVE TRAIN OF A HYBRID VEHICLE - A method of operating a drive-train of a hybrid vehicle which comprises at least a hybrid drive with an internal combustion engine and an electric machine, an automatic or automated change-speed transmission connected between the hybrid drive and a drive output, and a clutch connected between the internal combustion engine and the electric machine. When starting the internal combustion engine from a purely electric driving mode, the clutch is initially disengaged. To start the internal combustion engine, the clutch is at least partially engaged and the internal combustion engine is drag-started by the electric machine, and, in parallel with starting the internal combustion engine, a downshift in the transmission is initiated once a rotational speed of the internal combustion engine reaches or exceeds an applicable threshold value. | 10-31-2013 |
20130283951 | AXLE DEVICE FOR WORKING MACHINES WITH AT LEAST ONE AXLE CENTER TRANSMISSION - An axle arrangement for a working machine with at least one drive-through axle. The drive-through axle comprises a crown bevel gear ( | 10-31-2013 |
20130276625 | Piston-Cylinder Unit - A The piston-cylinder unit includes a cylinder having a closure body at the end. The closure body has a sleeve body which is fixedly connected on one side to the closure body and which is fastened to the cylinder. The sleeve body has a base which supports an operating pressure in the cylinder in direction of the closure body. | 10-24-2013 |
20130274979 | METHOD AND SYSTEM FOR OPERATING A HYBRID VEHICLE - A method for operating a hybrid vehicle comprises conducting unfire operation in an internal-combustion engine in a fuel cut-off mode during a hybrid-mode ride in deceleration of the internal-combustion engine, disconnecting the internal-combustion engine from an output while maintaining the fuel cut-off mode, and reducing a transmission capacity of a clutch configured to couple the internal-combustion engine and an electric motor. During a hybrid-mode ride in deceleration of the internal-combustion engine for transition to the purely electric drive, the internal-combustion engine may be disconnected from the output and shut down. When the internal-combustion engine is operated unfired in a fuel cut-off mode, the internal-combustion engine may be disconnected from the output and shut down by reducing the transmission capacity of the clutch that is connected between the internal-combustion engine and the electric motor. | 10-17-2013 |
20130274978 | CONTROL DEVICE FOR A HYBRID VEHICLE AND METHOD FOR OPERATION - A control device for a hybrid vehicle, comprising a hybrid drive with an internal combustion engine and an electric machine, wherein the control device, during a purely electric powered operation, compares an actual position of a crankshaft angle of the internal combustion engine with a target position for an auxiliary activation of the internal combustion engine or a target position range for an auxiliary activation of the internal combustion engine, and wherein the control device then, when said device determines that the actual position deviates from the target position by more than a limit value, determines at least one actuating variable, on the basis of which the actual position of the crankshaft angle can be altered such that, prior to the auxiliary activation of the internal combustion engine, the actual position deviates from the target position by less than the limit value, or lies within the target position range. | 10-17-2013 |
20130274059 | MULTISTEP GEAR MECHANISM OF PLANETARY DESIGN - A multi-step transmission having a housing which accommodates eight shafts and four planetary gear sets, and at least six shift elements including brakes and clutches which are engaged to implement different ratios between a drive shaft and output shaft. The carrier of gearset ( | 10-17-2013 |
20130272900 | METHOD AND DEVICE FOR CONTROLLING AN AUXILIARY PUMP FOR A TRANSMISSION - A method of controlling an auxiliary pump for supplying the hydraulic fluid of a hybrid transmission of a vehicle. The auxiliary pump, after the expiration of a predetermined time interval of deactivation, is activated to prevent accumulation of air in the intake area of the auxiliary pump. In addition, a device for the execution of the method, in which a control device is provided which has its signals connected with the electric auxiliary pump for the purpose of controlling the auxiliary pump in order to prevent accumulation of air in the intake area of the auxiliary pump. | 10-17-2013 |
20130268168 | METHOD FOR THE OPERATION OF A TRANSMISSION DEVICE IN A VEHICLE DRIVE TRAIN WHEN A REQUEST IS MADE TO CHANGE GEARS - A method of operating a transmission of a vehicle drive-train when a gearshift from a current gear toward a target gear has been requested. The transmission having frictional shifting elements and at least one interlocking shifting element. If an actuating electrical current, equivalent to a closed operating condition of the frictional shifting element to be engaged, and an actuating electrical current, equivalent to an open operating condition of the interlocking shifting element to be disengaged, are determined while, at the same time, a closed operating condition of the interlocking shifting element to be disengaged is detected by a sensor, a fault is recognized. If the fault is recognized during a predefined test period, one or more selected shifting elements are disengaged and a force flow in the transmission is interrupted. Alternatively, by disengaging the frictional shifting element to be engaged, the current gear is engaged in the transmission. | 10-10-2013 |
20130267369 | MULTISTEP GEAR MECHANISM - The transmission has four planetary gear sets and shafts and shift elements. Sun gear of the planetary gearset (P | 10-10-2013 |
20130267367 | DEVICE FOR A DRIVETRAIN OF A HYBRID VEHICLE, DRIVETRAIN, AND METHOD FOR OPERATING SAME - A device for a drive-train of a hybrid vehicle comprising a planetary gearset having three elements which comprise a carrier, a sun gear and a ring gear. A first elements serves as a fixed connection of a first input shaft of a first partial transmission of a transmission. A second of the elements serves as a fixed connection of a hybrid drive electric machine. A first shifting element connects, in a first position thereof, a third of the elements to a second input shaft of a second partial transmission, to which a hybrid drive combustion engine can be coupled. The first shifting element, when in a second position, connects the third of the elements to the housing or the stator. A second shifting element, when engaged, couples the two input shafts of the two partial transmissions with one another and, when disengaged, separates the two input shafts from one another. | 10-10-2013 |
20130260945 | MULTI-STAGE GEARBOX OF PLANETARY CONSTRUCTION - A multi-stage planetary gearbox, in particular a torque split gearbox of a work machine, having a housing which accommodates four planetary gearsets, a plurality of shafts, and shift elements including brakes and clutches which implement different gear ratios between the drive and output shafts. The drive shaft couples a carrier of the third gearset which can couple, via a first clutch, a third shaft that is coupled to a ring gear of a second gearset and which can be connected, via a second clutch, to a fourth shaft connected to a sun gear of the third gearset. A fifth shaft couples a sun gear of the second gearset and can be locked, via a first brake, with the housing. A sixth shaft couples a ring gear of the third gearset and a carrier of the second gearset. The output shaft is coupled to a carrier of a fourth gearset. | 10-03-2013 |
20130260943 | 10-GEAR AUTOMATIC TRANSMISSION - The invention concerns an automatic transmission of planetary structure, comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gear sets (RS | 10-03-2013 |
20130260939 | DEVICE FOR A DRIVE TRAIN OF A HYBRID VEHICLE, DRIVE TRAIN AND METHOD FOR OPERATING SAME - A device for a drive-train of a hybrid vehicle having a planetary gear system that comprises three elements, namely, a ring gear, sun gear and carrier. A first element of these elements of the planetary gear system has a fixed connection with a transmission input shaft of a transmission. A second element of the elements of the planetary gear system has a fixed connection with an electric machine of a hybrid drive. A clutch which can couple two of the three elements of the planetary gear system with one another. Additionally, a shifting element is provided by which a third element, of these three elements of the planetary gear system, can be coupled, in a first shift position, to an internal combustion engine of the hybrid drive and, in a second shift position, to one of a housing or a stator. | 10-03-2013 |
20130256087 | SHIFTING ELEMENT WITH THREE SHIFT POSITIONS - A method of actuating a shifting element with three shift positions, having a simply controlled shifting cylinder as the actuating element, a shifting element for shifting to the three shift positions and a pressure regulator, such that the shifting cylinder is designed as a cylinder with one working line and the shifting element is pushed by the spring force of at least one spring element to an end position and moved to the other shift positions in opposition to the spring force. The central position is recognized in that, when the correct shifting element position is reached, the force for moving the shifting element in opposition to the spring force abruptly increases and, because of this, a specific pressure can be set by a pressure regulator for the central position. | 10-03-2013 |
20130255439 | ARRANGEMENT OF AN ADD-ON MODULE AND OF A BASIC TRANSMISSION AND ASSEMBLY METHOD - A coaxial arrangement of an add-on module having a main axis and a basic transmission having a main axis. The add-on module comprises a drive element that is arranged coaxially with the main axis. The basic transmission has an oil pump is driven by the drive element of the add-on module, via a spur gear stage, and the spur gear stage comprises a first spur gear arranged coaxially with the main axis and a second spur gear arranged offset relative to the main axis. A method for assembling the add-on module with the basic transmission, in which the drive element and the first spur gear can be coupled with one another by a plug-in connection, is also disclosed. During the assembly process, the first spur gear is first coupled, in advance, to the basic transmission and then brought into meshing engagement with the second spur gear. | 10-03-2013 |
20130251449 | POSITIVE COUPLING BETWEEN PARTS OF A HOUSING - A positive coupling between a first housing component ( | 09-26-2013 |
20130248750 | ADJUSTABLE DAMPING VALVE - An adjustable damping valve has a valve housing in which is arranged a coil housing and an annular back-iron member which are connected in a magnetically conducting manner to a valve armature. The back-iron member radially penetrates the coil housing via a plurality of windows and has flattened portions at the edge. The at least one window in the coil housing has a width corresponding at least to the width of the back-iron member in at least one assembly position so that the back-iron member can be inserted radially into the coil housing via the at least one window. | 09-26-2013 |
20130247704 | ACTUATING DEVICE COMPRISING A LOCKING MECHANISM - An actuating device for selecting gear steps in a gearshift transmission. The actuating device comprises a selector lever that can be moved between at least two drive-setting positions and a locking mechanism for restricting the movement range of the lever and locking certain positions or for locking the selector lever. The locking mechanism comprises a locking recess connected to the selector lever and a blocking cam that can be rotated by an actuator. The cam engages in the locking recess. Complex locking tasks are possible with the simplified actuating device. In addition, the range of movement of the selector lever can be freely positioned largely variably and its width can be changed. Furthermore, the selector lever of the actuating device is movable by the actuator or locked in a desired position. | 09-26-2013 |
20130247550 | ARRANGEMENT FOR OIL-SUPPLY OF AN ADD-ON MODULE - An arrangement of a basic transmission and an add-on module having a module housing. The basic transmission has a driveshaft with a central axial bore for the supply of a lubricating oil stream and the add-on module has a connecting shaft mounted in the module housing by way of at least one roller bearing. The driveshaft and the connecting shaft are connected to one another in a rotationally fixed manner by a plug-in connection, and the plug-in connection and the at least one roller bearing are supplied with lubricating oil, by way of the central axial bore of the driveshaft. The lubricating oil stream can be divided into at least two flow streams in such manner that a respective flow -stream can pass to the at least one roller bearing and to the plug-in connection. | 09-26-2013 |
20130241320 | ELECTROMAGNETIC ACTUATING DEVICE WITH ABILITY FOR POSITION DETECTION OF AN ARMATURE - An electromagnetic control device has a coil with a central axis and an interior space, and a control element that moves along the axis and is arranged at least partially within an interior space of the coil. The control element comprises an armature that axially moves to a desired position when the coil is energized. The coil is divided into at least two separate portions that are arranged axially behind one another and connected electrically in series with one another. An electric central tap is provided, between two adjacent coil portions, by which a sensor current, provided for determining an axial position of the armature, can be fed into a subset of the coil portions. When the armature is in a defined axial position, an axial end face of the armature is located within an axial area determined by an axial separation zone provided between two adjacent coil portions. | 09-19-2013 |
20130239926 | DRIVE TRAIN AND METHOD FOR OPERATING SAME - A drive-train of a motor vehicle, with a drive aggregate comprising at least an internal combustion engine ( | 09-19-2013 |
20130239724 | GEAR MECHANISM HAVING HELICAL TOOTHING - A gear train with at least first and second spur gears ( | 09-19-2013 |
20130237364 | 10-GEAR AUTOMATIC TRANSMISSION - The invention concerns an automatic transmission of planetary structure, comprising a drive input shaft (AN), a drive output shaft (AB), first, second, third and fourth planetary gear sets (RS | 09-12-2013 |
20130234665 | METHOD FOR CHARGING A TRACTION BATTERY - A method of charging a traction battery, in particular of a motor vehicle, from an external AC power supply system, in particular a three-phase power supply system. The traction battery to be charged is coupled, via an inverter, to an electric alternating-field machine in such manner that the AC power supply can be connected to the phase windings of the alternating-field machine. During a first step, the rotational speed of the alternating-field machine is synchronized with the frequency of the AC power supply, and during a second step, the AC power supply is connected to the phase windings of the alternating-field machine and the inverter, electrically coupled to the alternating-field machine, is operated as a step-up converter. | 09-12-2013 |