Patent application number | Description | Published |
20090107790 | Hydrodynamic Torque Converter Device for an Automotive Drive Train - The invention relates to a hydrodynamic torque converter device ( | 04-30-2009 |
20090120754 | Hydrodynamic Torque Converter Device for an Automotive Drive Train - The invention relates to a hydrodynamic torque converter device for an automotive drive train, comprising a torsional vibration damper and a converter torus which is configured by an impeller, a turbine wheel and a stator. The torsional vibration damper has a first energy accumulating device with one ore more first energy accumulators, and a second energy accumulating device with one ore more second energy accumulators, which is connected in series to the first energy accumulating device. | 05-14-2009 |
20090127049 | Power transmission mechanism - A power transmission mechanism including at least one hydrodynamic component and a device for at least partially bridging over the transmission of power through the hydrodynamic component by means of a control device, having an actuating mechanism that can be charged by way of a chamber that is chargeable with a pressurizing agent, and at least one spring unit is interposed between the actuating mechanism and the device for at least partially bridging over the hydrodynamic component. | 05-21-2009 |
20090133978 | Multi-Plate Clutch and Hydrodynamic Torque Converter Device Having Said Multi-Plate Clutch - The invention relates to a multi-plate clutch ( | 05-28-2009 |
20090139816 | Hydrodynamic Torque Converter Device for an Automotive Drive Train - The invention relates to a hydrodynamic torque converter device for an automotive drive train, comprising a torsional vibration damper, a converter torus which is configured by an impeller, a turbine wheel and a stator, and a converter lockup clutch. The torsional vibration damper has a first energy accumulating device with one ore more first energy accumulators, and a second energy accumulating device with one ore more second energy accumulators. The converter lockup clutch, the first energy accumulating device and the second energy accumulating device are connected in series. At least one intermediate part is interposed between the first and the second energy accumulating device and is connected to the two energy accumulating devices in series. The turbine wheel has an outer turbine shell that is connected to the intermediate part in a rotationally fixed manner or forms the same, an input element of the first energy accumulating device being used to transmit via the converter lockup clutch a torque for loading the first energy accumulating device when the converter lockup clutch is closed. The input element of the first energy accumulating device, for the purpose of loading a respective front of a respective first energy accumulator, has at least one respective lug with a free end and a non-free end. The respective non-free end of a respective lug is positioned in relation to the radial direction of the rotational axis of the torsional vibration damper radially inside the free end of the respective lug. | 06-04-2009 |
20090139820 | Power transmission device and method of assembly of a damper configuration in a power transmission device - A power transmission device for configuration in a drive train between a prime mover and a power take-off with a hub element forming an output and a damper configuration connected upstream of the output, including at least two dampers disposed in radial direction offset relative to one another and coupled with one another—a first damper forming a main damper stage and a second internal damper—wherein the second internal damper is coupled with the hub. | 06-04-2009 |
20090145712 | Power transmission mechanism - A power transmission mechanism for transmitting power between a driving engine and an output drive, including: an input and an output; a hydrodynamic component with a pump wheel and a turbine wheel; an apparatus for at least partially bridging over the hydrodynamic component, the apparatus including a control device with a piston element that is chargeable with pressurizing agent; and means for influencing the difference in speeds of rotation of moving fluids on both sides of the piston element, the means including an influencing element that is rotatable in rotational synchronicity with the piston element, which extends outward in the radial direction free of any direct connection with the piston element, and which is situated in the radial direction at least in the range of the outside diameter, forming at least part of an axial space with the piston element. | 06-11-2009 |
20090151344 | Automotive Drive Train Having an Eight-Cylinder Engine - The invention relates to an automotive drive train having an internal combustion engine that is configured as an eight cylinder engine and a hydrodynamic torque converter device. The device has torsional vibration damper consisting of two energy accumulating devices and a converter lockup clutch. The turbine wheel is interposed between the two energy accumulating devices. The mass moment of inertia J | 06-18-2009 |
20090152066 | Torsional Vibration Damper and Hydrodynamic Torque Converter Device for an Automotive Drive Train - The invention relates to a torsional vibration damper ( | 06-18-2009 |
20090156317 | Automotive Drive Train Having a Four-Cylinder Engine - The invention relates to an automotive drive train having an internal combustion engine that is configured as a four cylinder engine and a hydrodynamic torque converter device. The device has torsional vibration damper consisting of two energy accumulating devices and a converter lockup clutch. Turbine is interposed between the two energy accumulating devices. The mass moment of inertia J | 06-18-2009 |
20090203479 | MOTOR VEHICLE TRANSMISSION DEVICE AND MOTOR VEHICLE DRIVETRAIN HAVING A MOTOR VEHICLE TRANSMISSION DEVICE - The invention relates to a motor vehicle transmission device which, in order to form a plurality of gears, forms a Lepelletier transmission, wherein at least one torsional damper is provided in the Lepelletier transmission, and also to a motor vehicle drivetrain having a motor vehicle transmission device of said type. | 08-13-2009 |
20090272108 | Automotive Drive Train Having a Three-Cylinder Engine - The invention relates to an automotive drive train having an internal combustion engine ( | 11-05-2009 |
20090283375 | Automotive Drive Train Having a Six-Cylinder Engine - An automotive drive train having an internal combustion engine that is configured as a six-cylinder engine and a hydrodynamic torque converter device. The device has a torsional vibration damper consisting of two energy accumulating devices and a converter lockup clutch. The turbine wheel is interposed between the two energy accumulating devices. The mass moment of inertia should be high between the two energy accumulating devices and masses should be as little as possible between the torsional vibration damper and the transmission input shaft. | 11-19-2009 |
20090283376 | Automotive Drive Train Having a Five-Cylinder Engine - The invention relates to an automotive drive train having an internal combustion engine that is configured as a five-cylinder engine and a hydrodynamic torque converter device. The device has a torsional vibration damper consisting of two energy accumulating devices and a converter lockup clutch. The turbine wheel is interposed between the two energy accumulating devices. The mass moment of inertia J | 11-19-2009 |
20090321206 | FORCE TRANSMISSION DEVICE - A force transmission device having a hydrodynamic component, disposed between an input and an output, comprising at least a pump shell and a turbine shell, forming an operating cavity in combination, with an actuatable clutch device for at least partially bridging the hydrodynamic component, comprising a clutch component for at least partially bridging the hydrodynamic component, comprising a first clutch component connected with the input and a second clutch component at least indirectly connected to the output, which can be brought into operative engagement with one another through an actuation device, with a vibration absorber disposed in the force flow at least subsequent to the actuatable clutch device, with a housing coupled with the input or with an element coupled non-rotatably to the input and coupled with the pump shell. | 12-31-2009 |
20100038201 | COMBINED POWER TRANSMISSION, DRIVE UNIT AND DRIVE TRAIN FOR A HYBRID SYSTEM - A combined power transmission and drive unit for the application in drive trains in hybrid systems with at least two prime movers that can be coupled via a power transmission unit with a consumer, in particular transmission. Between a first prime mover and the power transmission unit, a device is provided for connecting/disconnecting the power flow between the latter and the power transmission unit, including a friction clutch that can be actuated by a pressure medium, including a first clutch part and a second clutch part which can be brought in active connection with one another via a servo unit featuring a piston element that can be pressurized by a pressure medium. A combined power transmission and drive unit according to the invention, wherein the means are provided for controlling a rotation speed difference of a flow medium on either face side of a piston element. | 02-18-2010 |
20100081540 | COMBINED POWER TRANSMISSION AND DRIVE UNIT FOR APPLICATION IN HYBRID SYSTEMS AND A HYBRID SYSTEM - A combined power transmission and drive unit ( | 04-01-2010 |
20100084238 | POWER TRANSMISSION DEVICE - A power transmission device for power transmission between an engine and a power output, comprising at least an input and an output, a hydrodynamic component with an impeller- and a turbine wheel and a device for partially bypassing at least the hydrodynamic component with a servo unit featuring a piston element that can be pressurized with hydraulic medium and having means for influencing the circulation rate difference of flow media on both sides of the piston element, wherein the means comprises rotary synchronism with the piston element of the servo unit, a further rotatable piston element disposed in axial direction with a spacing from the piston element of the servo unit. | 04-08-2010 |
20100193320 | TORQUE TRANSMISSION DEVICE - A torque transmission device comprising a torque converter disposed in a drive train of a motor vehicle, in particular a hydrodynamic torque converter or a fluid clutch, wherein the converter or the fluid clutch comprises a turbine shell and a pump shell which can be coupled through a pump clutch and at least one pump damper with a converter cover, and comprising at least one converter damper and at least one converter lock up clutch. | 08-05-2010 |
20100210366 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper with a friction device. The friction device is formed on at least one friction surface on two contra-rotationally and oppositely disposed disc parts that are in frictional contact with one another. In order to propose how to determine the initial stressing effect of the frictional action independently of external support of the disc parts, the frictional surfaces are pressurized against one another by means of at least one spring element. | 08-19-2010 |
20100282560 | DOUBLE CLUTCH COMPRISING A TORSIONAL VIBRATION DAMPER - A double clutch transmission having a wet-running double clutch, a dual mass flywheel and a centrifugal force pendulum. The dual mass flywheel is arranged in a dry chamber between a drive and the double clutch and the centrifugal force pendulum is arranged in a wet chamber of the double clutch. | 11-11-2010 |
20110011692 | DRIVE TRAIN, IN PARTICULAR A HYBRID DRIVE TRAIN - A drive train, in particular, a hybrid drive train with a torque converter, which can be operatively connected with a drive through a clutch. The clutch includes an emergency operation actuation device with at least one emergency operation actuation element, which defines a centrifugal oil cavity which includes oil and which is coupled with the drive. | 01-20-2011 |
20110118079 | SHIFTABLE CLUTCH DEVICE, PARTICULARLY FRICTION WET CLUTCH, DRIVE TRAIN FOR A HYBRID SYSTEM AND METHOD FOR OPERATING THE DRIVE TRAIN AND VEHICLE INCLUDING THE DRIVE TRAIN - A shiftable clutch device for disconnecting a first drive machine from a drive train and connecting it thereto, including a control device that can be actuated by a pressure medium, is characterized according to the invention in that the shiftable clutch device includes two partial clutches, a first partial clutch forming a main clutch and a second partial clutch forming a drag clutch, which are disposed and configured such that each is adapted to produce a drag torque in an end position of the control device, a first opening end position characterized by an open state of the main clutch and a second closing end position characterized by a closed state of the main clutch. | 05-19-2011 |
20110314957 | VIBRATION DAMPING DEVICE - The invention relates to a vibration damping device in a drive train of a motor vehicle, having an input drive part and an output part that is rotatable to limited extent relative to the input part through the action of at least one energy storage element, there being a pendulum mass carrier situated or formed on the input part and/or the output part, which makes it possible to receive at least one pair of pendulum masses comprising pendulum masses that are situated opposite each other axially on the pendulum mass carrier and are pivotable to a limited extent relative to the latter with the aid of at least one roll-off element, and where the roll-off element, by rolling, passes over a roll-off surface on the pendulum mass carrier and on each of the pendulum masses as the pendulum masses move relative to the pendulum mass carrier, and where the pendulum masses of a pair of pendulum masses have different geometric forms. | 12-29-2011 |
20120180473 | HYDRODYNAMIC TORQUE CONVERTER HAVING A VIBRATION ABSORBER AND TORSIONAL VIBRATION DAMPER - A hydrodynamic torque converter having a pump wheel accommodated in a housing, a turbine wheel, which can be driven by the pump wheel, and a torsional vibration damper, where the torsional vibration damper has a damper input drive component and a damper output drive component, which can rotate to a limited degree with respect to the damper input drive component to oppose the action of at least two damper stages which are operatively connected in series and which each have at least one energy storage element, where the torsional vibration damper also has an intermediate damper component, which is arranged operatively between the damper stages and which directly or indirectly accommodates a vibration absorber, where the energy storage elements of the damper stages are substantially arranged on a common radius, where the vibration absorber is arranged adjacent to the torsional vibration damper in the axial dimension. | 07-19-2012 |
20130116079 | Transmission for operating an auxiliary assembly - A transmission for operating an auxiliary assembly in a drivetrain of a hybrid vehicle, includes a first sun gear rotatable about a main axis on a drive input side of the transmission, a first planet gear in engagement with the first sun gear on the drive input side of the transmission, a second planet gear on a drive output side of the transmission and mounted with the first planet gear on a common shaft, and a second sun gear in engagement with the second planet gear on the drive output side of the transmission, for coupling to the auxiliary assembly. The first planet gear is connected to the shaft by a first freewheel, which generates a rotationally conjoint connection when the first planet gear overruns in a first direction of rotation, and generates a freewheeling connection when the first planet gear overruns in a second, opposite direction of rotation. The shaft is mounted in a second freewheel in a planet carrier, which second freewheel permits a rotation of the shaft when the shaft rotates about its axis in the first direction of rotation and blocks a rotation of the shaft in the second, opposite direction of rotation. | 05-09-2013 |
20130150169 | CENTRIFUGAL PENDULUM DEVICE - Centrifugal pendulum device including pendulum masses arranged on axial sides of a pendulum mass support rotatable about an axis of rotation to form a pendulum mass pair. To form the mass pair, the masses are fastened to each other by means of a fastener passing through a cutout in the mass support. The mass pair is pivotable relative to the mass support due to a rolling element arranged to roll in a recess of the mass support and of the mass. In a section axially covering the recess of the mass support, the rolling element has a first outer diameter. In a section axially covering the recess of the pendulum mass, the rolling element has a second outer diameter. The rolling element further comprises a section axially located between the first and second diameters and has a third diameter, which is smaller than or equal to the first outer diameter. | 06-13-2013 |
20130233124 | CENTRIFUGAL PENDULUM MECHANISM - The invention relates to a centrifugal pendulum mechanism having a pendulum flange and pendulum masses, which are fastened by means of bolts on both sides of the pendulum flange and are guided by means of rollers and can be pivoted slightly relative to the pendulum flange, where at least two pendulum masses are arranged on the pendulum flange so as to be circumferentially adjacent, and one pendulum mass has a lateral surface that faces the adjacent pendulum mass, and the contour of the lateral surface is at a substantially acute angle. | 09-12-2013 |
20130233125 | TORSIONAL VIBRATION DAMPER - A torsional vibration damper for a drivetrain of a motor vehicle having a substantially discoidal centrifugal flange and a plurality of centrifugal pendulum-type absorbers. Each centrifugal pendulum-type absorber includes a first pendulum mass and a second pendulum mass. The first pendulum mass is arranged above a first surface of the pendulum flange, and the second pendulum mass is arranged above a second surface of the pendulum flange. The first pendulum mass and the second pendulum mass are firmly connected to each other by means of at least two spacing bolts in each case. The pendulum flange has a plurality of cutouts in which the spacing bolts are guided. A second spacing bolt of a first centrifugal pendulum-type absorber and a first spacing bolt of a second centrifugal pendulum-type absorber are guided in at least one first cutout. | 09-12-2013 |
20130239745 | CENTRIFUGAL PENDULUM MECHANISM - The invention relates to a centrifugal pendulum mechanism that includes a pendulum flange and pendulum masses which are fastened on both sides of the pendulum flange by means of a spacing bolt accommodated in a curved cutout of the pendulum flange to form a pair of pendulum masses, where the pair of pendulum masses is guided relative to the pendulum flange by means of the at least two rollers and can be pivoted restrictively because of a stop, where the rollers are accommodated in curved guide tracks in the pendulum masses and in complementary curved guide tracks in the pendulum flange and can be rolled, and at least two pairs of pendulum masses are arranged so as to be circumferentially adjacent to each other. | 09-19-2013 |
20140013899 | CENTRIFUGAL PENDULUM DEVICE - A centrifugal pendulum device having pendulum masses which are arranged axially on both sides of a pendulum mass carrier, which is rotatable about an axis of rotation. The pendulum masses form a pendulum mass pair, where the pendulum masses are connected to one another, to form the pendulum mass pair, by means of at least one fastening element, which is movable in a cutout in the pendulum mass carrier. The pendulum masses are pivotable relative to the pendulum mass carrier along a pendulum raceway by means of at least one rolling element, which can roll in each case one cutout in the pendulum mass carrier and in the pendulum masses. The at least two pendulum masses are arranged circumferentially adjacent to one another. The circumferential end region of one pendulum mass, and/or the fastening element, in a region situated axially within the cutout, and/or the cutout, has a bevel. | 01-16-2014 |
20140044523 | TORQUE CONVERTER - A torque converter for transferring torque from an input shaft to an output shaft, having a turbine wheel, an impeller connected to the input shaft to drive the turbine wheel hydrodynamically, a centrifugal force pendulum connected to the turbine wheel to damp torsional vibrations, a first torsion damper to drive the output shaft by means of the turbine wheel, and a converter clutch and a second torsion damper for selective torsionally damped coupling of the input shaft with the turbine wheel. One of the torsion dampers in this case includes two torsion damper elements, which are arranged in series with each other. | 02-13-2014 |