Abstract: 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.

Abstract: 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, with control of a rotation speed difference of a flow medium on either face side of a piston element.

Abstract: 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; an influencing element for influencing a difference in speeds of rotation of moving fluids on both sides of the piston element, the influencing element 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.

Abstract: Retention management for data stored in data blocks on a tape is provided. A block mapping table has entries each of which include an expiration date for data blocks stored on the tape. The entries of the block mapping table may be sorted in accordance with at least one sorting criterion. Data blocks on the tape are rearranged according to the block mapping table. The block mapping table is then stored, either on the tape or in a memory associated with the tape.

Abstract: 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.

Abstract: 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.

Abstract: Various embodiments for managing a virtual tape library cluster are provided. A virtual tape library system is enhanced by representing virtual tape resources in cluster nodes with a unique serial number. A least utilized cluster node is determined. One of the virtual tape resources represented within the least utilized cluster node is selected.

Abstract: Various embodiments for an Input/Output (I/O) path selection based on workload types are provided. A port workload controller is adapted to control the workload types of ports for accessing a storage device. A storage access command is received by the port workload controller from an application being executed on a virtual server on a physical server. The workload types related to the storage access command are determined. Storage access paths between the application and the storage device having the same workload types as the determined workload types related to the storage access command are determined. Storage access paths mapping data that is controlled by the port workload controller is used. A selected storage access path is selected out of the determined storage access paths having the least utilization. The storage device is accessed via the selected one of the plurality of storage access paths.

Abstract: Various embodiments for autonomic reclamation processing for tapes are provided. Instructions are received to perform reclamation processing on the formatted tape. Formatted tape is loaded into a tape drive for buffering active data during reclamation processing and consolidating all of the active data in capacity optimized manner on the same formatted tape. The formatted tape comprises metadata denoting active and inactive data blocks for files. The meta data of the formatted tape is read into a reclamation memory. The table is sorted and a starting block address is sorted. All active files ordered in the table starting at the starting block address are read into the reclamation memory. The files are written from the reclamation memory to the formatted tape from the starting block address and updating the table with new block addresses of the files. The meta data is updated with the updated table.

Abstract: The invention relates to a force transmission device for power transmission between an input and an output, comprising at least an input and an output, and a vibration damping device disposed in a cavity that can be filled at least partially with an operating medium, in particular oil, the vibration damping device coupled with a rotational speed adaptive absorber, wherein the rotational speed adaptive absorber is tuned as a function of an oil influence to an effective order qeff, which is greater by an order shift value qF than an order q of an exciting vibration of a drive system.

Abstract: A force transmission device, in particular or power transmission between a drive engine and an output, comprising a damper assembly with at least two dampers, which can be connected in series, and a rotational speed adaptive absorber, wherein the rotational speed adaptive tuned mass damper is disposed between the dampers at least in one force flow direction through the force transmission device.

Abstract: 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.

Abstract: A torsional vibration damper (10) and a hydrodynamic torque converter device (1). The converter device has a converter torus (18) which is configured by an impeller (12), a turbine wheel (14) and a stator (16), and a converter lockup clutch (20). The torsional vibration damper (10) has at least one first energy accumulating device (28) with one ere or more first energy accumulators (68) (e.g. coil spring or bow spring), at least one first wall (92) radially supporting the at least one first energy accumulator (68), where a rolling body device (98) (e.g. a rolling gear) is interposed between the at least one first wall (92) and the at least first energy accumulator (68) (e.g. coil spring or bow spring).

Abstract: A multi-plate clutch (2) having a first plate carrier (48) and second plate carrier (50) and one or more first plates (52) received by the first plate carrier and one or more second plates (54) received by the second plate carrier, a pressure element (58) which can especially be actuated hydraulically for generating an axial load on the clutch pack configured by the first and second plates and closing the multi-plate clutch, in which the pressure element configuring the second plate carrier and/or being connected to the second plate carrier in a rotationally fixed manner.

Abstract: A hydrodynamic torque converter device comprising a torsional vibration damper, an impeller, a turbine, a stator, and a converter lockup clutch. The torsional vibration damper has first and second energy accumulating devices with one or more first energy accumulators, and second energy accumulators, respectively. The converter lockup clutch and the first and second energy accumulating devices are connected in series. The turbine has an outer shell that is rotationally fixed to an intermediate part between the first and second accumulating devices. An input element of the first energy accumulating device is used to transmit torque via the lockup clutch for loading the first energy accumulating device. The input element of the first energy accumulating device has at least one lug having a free end and a non-free end, with the non-free end of the lug radially inside the free end of the lug.

Abstract: A hydrodynamic torque converter device for an automotive drive train, comprising a torsional vibration damper and a converter torus which is formed by an impeller, a turbine wheel and a stator. The torsional vibration damper has a first energy accumulating device with one or more first energy accumulators, and a second energy accumulating device with one or more second energy accumulators, which is connected in series to the first energy accumulating device.

Abstract: A method and a sealing system for sealing the space between a piston and the hub of a torque converter lockup clutch is provided. According to the method and the sealing system, the seal is pretensioned with its cylindrical surface facing the piston bore. In an embodiment of the invention, the first seal is fastened by a second seal. The invention allows minimization of oil leakage flow and at the same time to linearize its dependency on the differential pressure. Spontaneous sealing may be reduced, thereby directly correlating the contact pressure of the piston—and thus the torque of the torque converter lockup clutch—with differential pressure and eventually allowing for smoother travel.

Abstract: A torque converter is provided with a bridging clutch and two dampers, wherein the bridging clutch is positioned in the power path between the dampers. The converter is provided with a three-duct system for the oil supply.

Abstract: Method, data processing systems, and computer program products are provided for virtualizing and managing a storage virtualization system (SVS) in a storage management architecture. Source data is copied from the source storage media to target data in a target storage media based on a predefined copy policy in a copy mapping table. A relation between the source data and the target data is tracked in a copy mapping table. It is determined if a copy of the requested data exists using the copy mapping table. A least utilized storage system having a copy of the requested storage media is determined. Access to the requested storage media in the least utilized storage system is tested. If access is not possible, access to a copy of the requested storage media in another storage system is provided by updating a frontend-backend mapping table and forwarding all data access commands to the other system.

Abstract: 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.