Patent application number | Description | Published |
20130020167 | DUAL CLUTCH - A dual clutch having a first clutch which has a first pressure plate that is movable axially relative to a first counterplate for coupling a first clutch disk that is connected to a first output shaft, a second clutch, which has a second pressure plate that is axially movable relative to a second counterplate for coupling a second clutch disk that is connected to a second output shaft, a torsional vibration damper situated in the direction of flux force between the input shaft and the first counterplate wherein the torsional vibration damper includes a dual mass flywheel with a bow spring running in the circumferential direction to transmit torque, where the flux of force is introducible radially on the outside from the input shaft to the first counterplate into the dual mass flywheel, and is dispersible radially on the inside to the bow spring. | 01-24-2013 |
20130020168 | CONTROL DEVICE AND METHOD FOR CONTROLLING - The invention relates to a control device and to a method for controlling an automated clutch, which includes a hydraulic clutch actuating system, which has a hydrostatic actuator, which is driven by and electric-motor actuating drive having an incremental displacement sensor in such a way that the actuator moves in a translatable manner. The invention includes an absolute displacement sensor, which detects the actuator position. | 01-24-2013 |
20130020169 | METHOD FOR CONTROLLING AN AUTOMATED CLUTCH - A method for controlling an automated clutch, which comprises a hydraulic clutch actuating system having a hydrostatic actuator, the pressure of which is detected. The method includes using the pressure of the hydrostatic actuator to adapt the characteristic curve of the clutch. | 01-24-2013 |
20130024081 | METHOD FOR OPERATING A DOUBLE CLUTCH - A method of operating a double clutch that is actuated by a hydrostatic actuating system having two clutch actuators assigned to two individual clutches and each clutch actuator including a pressure sensor for sensing the operating pressure of the respective clutch actuator, the method having the step of limiting a total actuating force of the double clutch in the event of a fault using the pressure values sensed by the pressure sensors. | 01-24-2013 |
20130025995 | DUAL CLUTCH - A dual clutch having a first transmission-side output shaft and/or a second transmission-side output shaft having a first clutch comprising a first pressure plate that is axially movable relative to a first counterplate for engaging a first clutch disk connected to a first output shaft, a second clutch comprising a second pressure plate that is axially movable relative to a second counterplate for engaging a second clutch disk connected to a second output shaft, an actuating device for moving the first pressure plate and/or the second pressure plate and a fastening plate connected to the actuation device for axially fastening to a clutch housing, wherein the actuating device is designed to pre-center relative to the clutch housing and/or the transmission housing in a radially adjustable manner, and the fastening plate is designed to be radially fixed to the clutch housing and/or the transmission housing. | 01-31-2013 |
20130025996 | METHOD FOR CONTROLLING A DUAL CLUTCH - The invention relates to a method for controlling a dual clutch and a dual clutch housing two friction clutches which are each actuated independently of one another by means of a hydrostatic actuator. The hydrostatic actuator actuates the clutch as a function of a control signal of a control unit by means of a pressure which is applied to the actuation element and corresponds to a position of an actuation element of the friction clutch along an activation path. In order to sense a change in the position of the actuation element on one friction clutch which is brought about by the pressure on the actuation element of the other friction clutch, it is proposed to determine a correction variation for the purpose of compensating the changed position by means of a variable which represents the pressure of the disruptive hydrostatic actuator. | 01-31-2013 |
20130025999 | METHOD FOR OPERATING AN AUTOMATED CLUTCH - The invention relates to a method for operating an automated clutch of a motor vehicle, which is operated using a hydrostatic actuator of a hydraulic clutch operating system, which includes a slave cylinder and a master cylinder that contain hydraulic medium, a volume equalization of the hydraulic medium being carried out in a driving operation in order to counteract a detuning of the clutch operating system. The invention is distinguished by the fact that the volume equalization is carried out as needed during operation of the clutch depending on current clutch characteristic values, if the driving comfort is not, or not inappropriately, diminished. | 01-31-2013 |
20130032444 | METHOD FOR CONTROLLING AN AUTOMATED CLUTCH - A method for controlling an automated clutch ( | 02-07-2013 |
20130042990 | SHAFT WITH ROLLER BEARING - A method for producing a shaft with a roller bearing. The roller bearing has an inner ring with an outer surface for rolling elements to roll on. The inner ring of the roller bearing is embedded, at least partially, into the shaft, which has been produced using primary forming methods, and the outer surface of the inner ring is exposed, at least in a part, in the axial direction and over its entire circumference. | 02-21-2013 |
20130064699 | HYDRAULIC TRANSPORT DEVICE AND ELECTROHYDRAULIC CONTROL MODULE - A hydraulic transport device for transporting a hydraulic medium. The device includes at least one externally toothed gear pump that is driven by an electric motor, and a control device attached to the pump. A passive rotational speed detection element is arranged in the pump and interacts with an active rotational speed detection element that is arranged in the control device to detect the rotational speed of the pump shaft. | 03-14-2013 |
20130066530 | METHOD FOR ADAPTING A CONTACT POINT OF A CLUTCH IN A DRIVETRAIN OF A MOTOR VEHICLE - A method for adapting a contact point of a clutch in a drivetrain of a motor vehicle, wherein the clutch is moved by an actuator and the influence of the movement of the clutch on a rotating electric motor is evaluated. A method that is simple and quick to carry out, a clutch torque and/or an actuator path close to the contact point is obtained from a characteristic curve of the clutch representing the relationship of an actuator path to a clutch torque and is set at the clutch. Subsequently the associated actuator path and/or the clutch torque is measured from the clutch influenced by the actively operated electric motor, where the clutch torque read from the characteristic curve and the actuator path measured at the clutch and/or the actuator path obtained from the characteristic curve and the measured clutch torque form the current contact point position of the clutch. | 03-14-2013 |
20130075222 | PRESSURE HOLDING TRANSMISSION CLUTCH WITH BALL CHECK VALVE - A check valve assembly for a clutch, including: an annular-shaped ring element including a first portion with: a first channel wholly enclosed by the first portion; a first through-bore between a radially inner surface of the first portion and the first channel; and a second through-bore between a radially outer surface of the first portion and the first channel. The assembly includes a first pressure regulating assembly at least partially disposed within the first channel and including: a spool axially displaceable within the first channel and including a space enclosed by the spool; a first ball disposed within the space and the first channel; and a first spring engaged with the spool. The spool is arranged to axially displace in response to hydraulic pressure at the first through-bore and axial force applied by the first spring to displace the first ball to block or unblock flow between the first and second through-bores. | 03-28-2013 |
20130092497 | FRICTION CLUTCH DEVICE - A friction clutch device, in particular for a drive train of a motor vehicle which is driven by internal, combustion engine, having a rotational axis, a housing, at least one pressure plate which can be displaced in the direction of the rotational axis relative to the housing for an actuation, and a spring device for loading the at least one pressure plate, in which friction clutch device the spring device has a first element for generating a pressure force which acts on the at least one pressure plate, and a second element which is separate structurally from the first element for transmitting an actuating force, in order to improve the friction clutch structurally and/or functionally. | 04-18-2013 |
20130092499 | FRICTION PLATE WITH PRESSED CORE PLATES - A friction plate, including: a ring-shaped piece of friction material with an inner circumference, and first and second surfaces facing in first and second opposite axial directions, respectively; a first core plate with a first ring-shaped body, a first plurality of protrusions extending radially outward from the first ring-shaped body and imbedded in the first surface, and a second plurality of protrusions extending radially inward from the first ring-shaped body; and a second core plate with a second ring-shaped body, a third plurality of protrusions extending radially outward from the second ring-shaped body and embedded in the second surface, and a fourth plurality of protrusions extending radially inward from the second ring-shaped body. The first and second bodies are at least partially disposed radially inward of the inner circumference. The second and fourth pluralities of protrusions are for engagement with a rotatable element. | 04-18-2013 |
20130094901 | RADIALLY ALIGNED PLATES JOINED BY COMPRESSIVE FIT - A plate assembly, including: a first plate having a circumference and a plurality of indentations extending radially inward or outward from the circumference; and a second plate, at least partially aligned with the first plate in a radial direction, having a plurality of protrusions at least partly disposed within the plurality of indentations and compressively engaged with the first plate such that the second plate is fixed with respect to the first plate in axial, radial, and circumferential directions. | 04-18-2013 |
20130098729 | VEHICLE STARTING DEVICE - A starting device for a vehicle includes a spring support ring and a coiled clutch. The coiled clutch has a first end frictionally engaged with the spring support ring, a center portion connected to the first end and arranged for compressive engagement with an outer shell of a torque converter, and a second end connected to the center portion and arranged for rotational displacement in a first direction relative to the first end to compressively engage the center portion with the outer shell. In some example embodiments, the spring support ring encircles the coiled clutch. In some example embodiments, the spring support ring includes a circumferential groove for receiving the first end. In an example embodiment, a free diameter of the first end is greater than a free diameter of the center portion. | 04-25-2013 |
20130112162 | CAMSHAFT ADJUSTER - A camshaft adjuster ( | 05-09-2013 |
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 |
20130118677 | METHOD FOR GLUING A FRICTION LINING, AND TOOL - The invention relates to a method for gluing a friction lining to a support by means of adhesive that develops its full adhesive effect under the effect of pressure and/or temperature. The invention is characterized in that the friction lining and the support are pressed together along with the adhesive before the adhesive develops its full adhesive effect in order to glue the friction lining to the support. | 05-16-2013 |
20130118851 | MODULAR SPRAG CLUTCH CAGE - A cage for a one-way clutch that is made of individual interlocking links. The cage links forms a continuous chain which is arranged on a shaft and housed within an associated outer ring. The cage links have connecting members and receiving grooves. The connecting members of one cage link are snapped into the receiving grooves of another cage link to form the continuous chain for different diameters. Sprags and/or load bearing rollers, along with spring elements, are arranged within each cage link. | 05-16-2013 |
20130129269 | DOUBLE-ROW SELF-ALIGNING ROLLER BEARING - A double-row self-aligning roller bearing ( | 05-23-2013 |
20130133476 | CENTRIFUGAL FORCE PENDULUM DEVICE - A centrifugal force pendulum device having pendulum masses that are arranged axially on both sides of a pendulum mass carrier which is rotatable around an axis of rotation and form a pendulum mass pair, the pendulum mass pair being pivotable to a limited degree relative to the pendulum mass carrier along an arc-shaped oscillation path with the aid of at least two rolling elements that are able to roll in a single cutout or in different cutouts in the pendulum mass carrier, the oscillation path having a rotation axis that is stationary relative to the pendulum mass carrier and that is located at a radial distance from the pendulum mass. | 05-30-2013 |
20130139640 | FOLLOWER MEMBER - A follower member ( | 06-06-2013 |
20130143711 | PLANETARY ROLLER GEAR DRIVE - A planetary roller gear drive with a spindle nut ( | 06-06-2013 |
20130143712 | PLANETARY ROLLER GEAR DRIVE - Planetary roller gear drive with a spindle nut ( | 06-06-2013 |
20130146828 | AXIAL ACTUATING DEVICE - An actuating device for exerting a force that causes two components arranged to be rotatable relative to each other about an axis of rotation to be urged axially away from each other comprising a radial support element forming a first hydraulic pressure chamber and a second hydraulic pressure chamber, each of the pressure chambers surrounding the axis of rotation and the first pressure chamber being in fluid connection with the second pressure chamber. The actuating device further comprises a first piston axially supported on the first component for sealing the first pressure chamber in an axially displaceable way and a second piston axially supported on the second component for sealing the second pressure chamber in an axially displaceable way. | 06-13-2013 |
20130150168 | DURABLE TORSIONAL VIBRATION DAMPER - A torsional vibration damper for operation in an oil bath comprising an input flange for connecting to a drive motor, an output flange for connecting to a transmission, and a bow spring for the torsionally elastic coupling of the input flange to the output flange, where the bow spring is in contact radially on the outside with an encircling holding device that is formed on one of the flanges. At the same time, the holding device has an opening in the area of the bow spring, in order to enable a flow of oil through an area of contact of the bow spring with the holding device. | 06-13-2013 |
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 |
20130157801 | PLANETARY ROLLER GEAR DRIVE - Planetary roller gear drive with a spindle nut ( | 06-20-2013 |
20130161146 | TWO STAGE PISTON FOR FASTER CLUTCH APPLY - A clutch assembly, including: a secondary piston assembly; a primary piston including a portion located radially outward of the secondary piston assembly; a first chamber at least partially formed by a first side of the primary piston; a second chamber at least partially formed by the secondary piston assembly and a second side of the primary piston; and a check valve connecting the first and second chambers. For a first force applied by fluid in the first chamber: the primary piston remains axially stationary; the fluid flows from the first chamber into the second chamber; and the secondary piston assembly displaces in a first axial direction to contact a clutch pack. For an increase of the first force to a second force: fluid flow between the first and second chambers is blocked by the check valve; and the primary piston and the secondary piston assembly displace in the first axial direction to close the clutch pack. | 06-27-2013 |
20130161147 | FRICTION CLUTCH - The invention relates to a friction clutch in a motor vehicle, comprising a clutch bell housing ( | 06-27-2013 |
20130165294 | HYBRID MODULE AND TORQUE TRANSFER DEVICE - The present invention relates to a hybrid module with fastening means for fastening, for example, detachable fastening, of the hybrid module with a torque transfer device, such as a torque converter or a clutch, such as a dual clutch, where the hybrid module includes a drive shaft that can be connected to an internal combustion engine and can rotate around a rotary axis and an electric motor with a stator, a rotor, and a power take-off component that can be connected to the rotor and where the torque transfer device has a transfer component for connecting to the hybrid module, where the fastening means axially secure the power take-off component with respect to the transfer component and can produce the connection between fastening means and transfer component. | 06-27-2013 |
20130167792 | SELF-LUBRICATING BALANCE SHAFT WITH FLOW CONTROL - A mass compensating shaft drive for compensating forces or moments of inertia of a reciprocating piston internal combustion engine is provided having a balance shaft supported by at least one journal in a housing of the internal combustion engine. A rolling bearing is located between each of the at least one journals and the housing. The balance shaft includes an oil gallery that is adapted to be connected to a source of pressurized lubricating oil. A check valve is located between the oil gallery and each of the at least one bearing journals, with the check valve being arranged to open upon at least one of a lubricating oil pressure or a centrifugal force generated through rotation of the balance shaft exceeding a predetermined closing force for the check valve. | 07-04-2013 |
20130174798 | CAMSHAFT ADJUSTER - A camshaft adjuster ( | 07-11-2013 |
20130178325 | WRAP-AROUND BRAKING DEVICE FOR PLANETARY GEAR TRAINS AND PLANETARY GEAR TRAIN HAVING A WRAP-AROUND BRAKING DEVICE - A wrap-around braking device for a planetary gear train, having at least one wrap-around element, with first and second cam devices, and is designed to wrap around at least one ring gear of the planetary gear train for braking engagement. A shift fork, which can be moved in the axial direction of the shift fork and which has first and second actuating elements that act oppositely in the axial direction and which is mounted in a rotationally fixed manner in a housing that has at least first and second stops in the axial direction. For braking engagement on the ring gear, which rotates in a first rotational direction, the shift fork can be moved in a first axial direction such that the first actuating element interacts with the first cam device, while the second stop opposite the first actuating element in the axial direction interacts with the second cam device. | 07-11-2013 |
20130179030 | METHOD FOR DETERMINING WEAR OF A FRICTION PLATE - Method for determining wear of a friction plate of an automatically actuated friction clutch, particularly in a motor vehicle driven by an internal combustion engine, wherein initially at a prescribed clutch slip and a prescribed clutch torque in an earlier friction lining test point an earlier clutch actuation travel is determined and stored, later again at the prescribed clutch slip and the prescribed clutch torque in a later friction lining test point a later clutch actuation travel is determined, thereafter the earlier clutch actuation travel and the later clutch actuation travel are compared to each other and a differential value is determined, and thereafter a friction lining wear is determined using the differential value, in order to reliably determine friction lining wear in a time interval and with only little effort, so that a depreciation of function due to a worn friction lining can be prevented in a timely manner. | 07-11-2013 |
20130180482 | CAMSHAFT ADJUSTER - A camshaft adjuster ( | 07-18-2013 |
20130180483 | CAMSHAFT ADJUSTER - A camshaft adjuster ( | 07-18-2013 |
20130182989 | RADIAL CAGE FOR CYLINDRICAL ROLLER BODIES - A radial cage in which side rings have a material thickness of a starting material for the radial cage, straight side sections of each axial crossbar are implemented with a greater material thickness that increases their strength, and an axial center section of each axial crossbar is implemented with a smaller material thickness than the material thickness of the side rings, thus reducing centrifugal mass. | 07-18-2013 |
20130182990 | RADIAL CAGE FOR CYLINDRICAL ROLLER BODIES - A radial cage in which roll forming is carried out in such a manner that straight side sections of all axial crossbars continue to have at least approximately a material thickness of a starting material for the radial cage, while side rings of the radial cage and axial center sections of the axial crossbars are implemented by rolling down during roll forming to each have material thicknesses that are smaller than the material thickness of the straight side sections and that reduce their centrifugal mass. | 07-18-2013 |
20130186356 | CONSTRUCTED PLASTIC ROTOR WITH INTEGRATED CARTRIDGE AND SPRING SUSPENSION | 07-25-2013 |
20130186358 | ROLLER FINGER FOLLOWER WITH SWIVELABLE VALVE PALLET - A finger follower having an inner and outer body and a torsional lost motion spring acting between the bodies is provided. A roller cam follower is connected to the inner body. The inner body is switchable from a fixed state, in which it moves with the outer body to transfer a cam lift to a valve stem, to a released state, in which the inner body can move relative to the outer body so that the cam lift is not transferred to the valve stem. A separate valve pallet that acts on the valve stem is press fit or otherwise rotationally fixed on a pivot pin connecting the inner and outer bodies. | 07-25-2013 |
20130199331 | MACHINE ELEMENT - A machine element that has a surface with an isotropic structure that is formed by a coating, and is subjected to rolling or sliding stress. The coating on the surface is by a PVD process, and the surface brushed with a tool while supplying a cooling lubricant during the brushing such that no chemical reaction takes place between the tool and the machine element. | 08-08-2013 |
20130199467 | CAMSHAFT ADJUSTER - A central valve ( | 08-08-2013 |
20130199468 | EXTERNAL VOLUME ACCUMULATOR CONFIGURATION IN A CAMSHAFT ADJUSTER - A camshaft adjuster ( | 08-08-2013 |
20130199469 | CONSTRUCTION OF A HYDRAULIC OIL CHANNEL BETWEEN A CENTRAL VALVE AND A VOLUME ACCUMULATOR OF A CAMSHAFT ADJUSTER - A directional control valve ( | 08-08-2013 |
20130199470 | ARRANGEMENT OF A VOLUME ACCUMULATOR | 08-08-2013 |
20130199471 | CONFIGURATION OF A TANK CONNECTION IN A CAMSHAFT ADJUSTER WITH VOLUME ACCUMULATOR - A camshaft adjuster (b 4) for a camshaft ( | 08-08-2013 |
20130199473 | NON-RETURN VALVE FOR CAMSHAFT ADJUSTERS WITH OIL RESERVOIRS - A camshaft adjuster ( | 08-08-2013 |
20130199474 | NON-RETURN VALVE OF A CAMSHAFT ADJUSTER - A camshaft adjuster with a drive element, a driven element, and a pressure chamber formed between the drive element and the driven element for generating a relative rotation between the driven element and the drive element, and a volume accumulator that is arranged in the camshaft adjuster and supplies hydraulic medium via a channel from the volume accumulator to the pressure chamber if there is an under-pressure in the pressure chamber. The camshaft adjuster has a non-return valve with a closing part for closing an opening of the channel, the non-return valve allows a flow of hydraulic medium through the channel from the volume accumulator to the pressure chamber, and there is an elastically expandable component that projects into the channel and can be guided by the channel and is connected to the closing part and is provided for applying tension for pulling the closing part into the channel. | 08-08-2013 |
20130199475 | FILLING OF A VOLUME ACCUMULATOR IN A CAMSHAFT ADJUSTER - A directional valve ( | 08-08-2013 |
20130199476 | NON-RETURN VALVE OF A CAMSHAFT ADJUSTER | 08-08-2013 |
20130199477 | CAMSHAFT ADJUSTER HAVING A NON-RETURN VALVE - A camshaft adjustor ( | 08-08-2013 |
20130199480 | INVOLUTE SPRING PALLET COMPONENT FOR A CYLINDER DEACTIVATION SWITCHABLE ROLLER FINGER FOLLOWER - A method of manufacturing spring pallets of a switchable roller finger follower. The method includes the steps of forming the spring pallets of the roller finger follower as a single unit, forming a material web between the spring pallets, and separating the spring pallets apart from each other. Also, an intermediate assembly of the spring pallets of the roller finger follower is disclosed. The intermediate assembly includes a first spring pallet, a second spring pallet, and a material web which extends between the spring pallets, and adjoins the spring pallets together. Further, a method of manufacturing an inner arm of the switchable roller finger follower is disclosed in which the inner arm is formed by sheet metal, preferably by stamping. | 08-08-2013 |
20130199634 | CONTROL VALVE FOR HYDRAULIC MEDIA - A control device for hydraulic media with a control valve, in particular, a proportional valve that has a sleeve housing provided with radial openings, wherein at least one pressurized flow feed line, at least one control line, and at least one return line are connected to the openings, and the opening for the pressurized flow feed line is connected to a ring-shaped groove, with a control slide that has control edges and is supported in the sleeve housing so that it can move in the axial direction and is actuated by an electromagnetically constructed control unit, advantageously for controlling a phase adjustment device for the variable adjustment of the control times of gas exchange valves of a reciprocating piston internal combustion engine. A non-return valve is installed in the pressurized flow feed line or in the ring-shaped groove that is arranged in the sleeve housing. | 08-08-2013 |